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1

Walker Branch Watershed Ecosystems Data  

DOE Data Explorer [Office of Scientific and Technical Information (OSTI)]

These projects have all contributed to a more complete understanding of how forest watersheds function and have provided insights into the solution of energy-related problems associated with air pollution, contaminant transport, and forest nutrient dynamics. This is one of a few sites in the world characterized by long-term, intensive environmental studies. The Walker Branch Watershed website at http://walkerbranch.ornl.gov/ provides maps, photographs, and data on climate, precipitation, atmospheric deposition, stream discharge and runoff, stream chemistry, and vegetation. [Taken from http://walkerbranch.ornl.gov/ABOUTAAA.HTM

2

Third annual Walker Branch Watershed research symposium. Program and abstracts  

SciTech Connect (OSTI)

The methods and concepts of watershed research, originally applied in an experimental or monitoring mode to relatively small catchments, are increasingly being used at larger scales and for specific applied problems. Research at Oak Ridge National Laboratory, the Tennessee Valley Authority, the US Forest Service, and other agencies and institutions participating in this symposium reflects research over a broad range of spatial scales that is being integrated through large-scale experiments along with computer modeling and graphical interfaces. These research projects address the basic atmospheric, geophysical, biogeochemical, and biological processes that regulate the responses of forested ecosystems to natural environmental variation and anthropogenic stresses. Regional and global issues addressed by presentations include emissions of carbon dioxide, methane, and other hydrocarbons; deposition of sulfate, nitrate, and mercury; land-use changes; biological diversity; droughts; and water quality. The reports presented in this symposium illustrate a wide range of methods and approaches and focus more on concepts and techniques than on a specific physical site. Sites and projects that have contributed research results to this symposium include Walker Branch Watershed (DOE), the Coweeta Hydrologic Laboratory and LTER site (USFS and NSF), Great Smoky Mountains National Park (research funded by NPS, TVA, and EPRI), Imnavait Creek, Alaska (DOE), the TVA-Norris Whole-tree Facility (TVA and EPRI), and DOE`s Biomass Program.

Not Available

1992-03-01T23:59:59.000Z

3

annual walker branch: Topics by E-print Network  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

241 308 Figliozzi, Wheeler, Albright, Walker, Sarkar, and Rice 1 Algorithms to Study the Impacts of Travel Time Reliability along Multi- Energy Storage, Conversion and Utilization...

4

Field studies of streamflow generation using natural and injected tracers on Bickford and Walker Branch Watersheds  

SciTech Connect (OSTI)

Field studies of streamflow generation were undertaken on two forested watersheds, the West Road subcatchment of Bickford Watershed in central Massachusetts and the West Fork of Walker Branch Watershed in eastern Tennessee. A major component of the research was development of a two-stage methodology for the use of naturally-occurring {sup 222}Rn as a tracer. The first of the two stages was solving a mass-balance equation for {sup 222}Rn around a stream reach of interest in order to calculate Rn{sub q}, the {sup 222}Rn content of the lateral inflow to the reach; a conservative tracer (chloride) and a volatile tracer (propane) were injected into the study stream to account for lateral inflow to, and volatilization from, the study reach. The second stage involved quantitative comparison of Rn{sub q} to the measured {sup 222}Rn concentrations of different subsurface waters in order to assess how important these waters were in contributing lateral inflow to the stream reach.

Genereux, D.; Hemond, H. (Massachusetts Inst. of Tech., Cambridge, MA (United States). Dept. of Civil Engineering); Mulholland, P. (Oak Ridge National Lab., TN (United States))

1992-05-01T23:59:59.000Z

5

Long-Term Data Reveal Patterns and Controls on Stream Water Chemistry in a Forested Stream: Walker Branch, Tennessee  

SciTech Connect (OSTI)

We present 20 years of weekly stream water chemistry, hydrology, and climate data for the Walker Branch watershed in eastern Tennessee, USA. Since 1989, the watershed has experienced a similar to 1.08 degrees C increase in mean annual temperature, a similar to 20% decline in precipitation, and a similar to 30% increase in forest evapotranspiration rates. As a result, stream runoff has declined by similar to 34%. We evaluate long-term trends in stream water concentrations and fluxes for nine solutes and use wet deposition data to calculate approximate watershed input-output budgets. Dissolved constituents were classified as geochemical solutes (Ca2+, Mg2+, and SO42-) or nutrients (NH4+, NO3-, soluble reactive phosphorus [SRP], total soluble nitrogen [TSN], total soluble phosphorus [TSP], and dissolved organic carbon [DOC]). Geochemical solutes are predominantly controlled by discharge, and the long-term changes in catchment hydrology have led to significant trends in the concentrations and fluxes of these solutes. Further, the trends in geochemical solute concentrations indicate shifting soil flowpath contributions to streamflow generation through time, with deep groundwater having a greater proportional contribution in recent years. Despite dramatic changes in watershed runoff, there were no trends in inorganic nutrient concentrations (NH4+, NO3-, and SRP). While most nutrients entering the watershed are retained, stream fluxes of nutrient solutes have declined significantly as a result of decreasing runoff. Nutrient concentrations in the stream exhibit large seasonality controlled by in-stream biological uptake. Stream benthic communities are sensitive to hydrologic disturbance, and changes in the frequency or intensity of storm events through time can affect nutrient fluxes. Stream NO3- concentrations are also sensitive to drought, with concentrations decreasing (increasing) if conditions during the three years prior to the time of sampling were drier (wetter) than the long-term mean. Future changes in the incidence of storm events, as well as the number and duration of droughts, have the potential to significantly alter watershed nutrient losses. Our analysis indicates that changing climates can differentially affect watershed element cycles either through changes in biogeochemical process rates or through changes in catchment hydrology. Furthermore, climate change can include both long-term trending in mean climate variables, as well as changes in the frequency and intensity of storms and droughts, with each of these types of change having distinct effects on the biological and geochemical processes governing different solutes.

Lutz, Brian D [Duke University; Mulholland, Patrick J [ORNL; Bernhardt, Emily [Duke University

2012-01-01T23:59:59.000Z

6

Leaf dynamics, stemflow and throughfall water and nutrient inputs in a subtropical savanna parkland, Texas  

E-Print Network [OSTI]

for K, followed by Mg, P, N and Ca. Annual throughfall and stemflow inputs (both nutrients and water) differed among clusters as a result of differing shrub cluster size, total canopy area, and species composition. Throughfall generally made up 97... of Shrub Clusters Plant abundance and size Biomass above BTF collectors Potential Leachability Calcium Magnesium Potassium Nitrogen Phosphorus Bulk Precipitation and Bulk Throughfall Chemistry Nutrient concentrations Regression relationships...

Angerer, Jay Peter

1991-01-01T23:59:59.000Z

7

Walker Branch WatershedWalker Branch Watershed LongLong--term hydrology, streamterm hydrology, stream  

E-Print Network [OSTI]

1980 1990 2000 Precipitation,runoff(cm) 0 50 100 150 200 Precip Runoff + 0.035/y + 0.071/y runoff = 51% of ppt Nflux(kg/ha/y) 0.0 0.4 0.8 4.0 8.0 12.0 Wet N input Total N input DIN output 1980 1985 1990 1995 2000 2005 Sflux(kg/ha/y) 0 5 10 15 20 25 30 Wet S input Total S input SO4 output Wet N Input ('81

8

November 2012 ROBERT T. WALKER  

E-Print Network [OSTI]

Production and Renewable Resource Exploitation (September 1980 - December 1984). MASTER OF SCIENCE, and deforestation in South America. Global Environmental Change. 22: 454-462. Aldrich, S., Walker, R., Simmons, C in the Brazilian Amazon. 2010. Bulletin of Latin American Research 29(4): 459-476. Caldas, M., Simmons, C., Walker

Walker, Robert T.

9

Characterization of Throughfall Heterogeneity in a Tropical Pre-Montane Could Forest in Costa Rica  

E-Print Network [OSTI]

CHARACTERIZATION OF THROUGHFALL HETEROGENEITY IN A TROPICAL PRE-MONTANE CLOUD FOREST IN COSTA RICA An Undergraduate Research Scholars Thesis by AMELIE CECILE BERGER Submitted to Honors and Undergraduate Research Texas A... .......................................................................................................4 Tropical forest hydrology ........................................................................................7 Study site: watershed near San Isidro, Costa Rica .................................................13 Quantification...

Berger, Amelie Cecile

2013-09-26T23:59:59.000Z

10

Vibrotactile Guidance for Wayfinding of Blind Walkers  

E-Print Network [OSTI]

travel aid for the blind. Systems, Man, and Cybernetics,Guidance for Wayfinding of Blind Walkers G. Flores, S.the form of a belt for guiding blind walkers. This interface

Manduchi, Roberto; Flores, German; Kurniawan, Sri; Morales, Lourdes; Martinson, Eric; Sisbot, Akin

2015-01-01T23:59:59.000Z

11

Interdiction Branching  

E-Print Network [OSTI]

Sep 29, 2011 ... of partitioning the search space, referred to as the branching scheme. .... standard branch-and-bound both in terms of size of the enumeration tree and ...... of the fractional variable to be selected to enter at each iteration of the.

2011-09-29T23:59:59.000Z

12

Hydrodynamical random walker with chemotactic memory  

E-Print Network [OSTI]

A three-dimensional hydrodynamical model for a micro random walker is combined with the idea of chemotactic signaling network of E. coli. Diffusion exponents, orientational correlation functions and their dependence on the geometrical and dynamical parameters of the system are analyzed numerically. Because of the chemotactic memory, the walker shows superdiffusing displacements in all directions with the largest diffusion exponent for a direction along the food gradient. Mean square displacements and orientational correlation functions show that the chemotactic memory washes out all the signatures due to the geometrical asymmetry of the walker and statistical properties are asymmetric only with respect to the direction of food gradient. For different values of the memory time, the Chemotactic index (CI) is also calculated.

H. Mohammady; B. Esckandariun; A. Najafi

2014-10-01T23:59:59.000Z

13

activated random walkers: Topics by E-print Network  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Dupic 2013-11-04 15 Transition to Localization of Biased Walkers in a Randomly Absorbing Enviroment Condensed Matter (arXiv) Summary: We study biased random walkers on lattices...

14

JOHN A. WALKER COLLEGE OF BUSINESS  

E-Print Network [OSTI]

JOHN A. WALKER COLLEGE OF BUSINESS COMPUTER INFORMATION SYSTEMS MINOR (310) Fall 2011 ­ Summer 2012 Students not majoring in the College of Business may earn a computer information systems minor not admitted to the College of Business may take at most five business courses at the 3000 or 4000 level

Thaxton, Christopher S.

15

Conformally Friedmann-Lemaitre-Robertson-Walker cosmologies  

E-Print Network [OSTI]

In a universe where, according to the standard cosmological models, some 97% of the total mass-energy is still "missing in action" it behooves us to spend at least a little effort critically assessing and exploring radical alternatives. Among possible, (dare we say plausible), nonstandard but superficially viable models, those spacetimes conformal to the standard Friedmann-Lemaitre-Robertson-Walker class of cosmological models play a very special role --- these models have the unique and important property of permitting large non-perturbative geometric deviations from Friedmann-Lemaitre-Robertson-Walker cosmology without unacceptably distorting the cosmic microwave background. Performing a "cosmographic" analysis, (that is, temporarily setting aside the Einstein equations, since the question of whether or not the Einstein equations are valid on galactic and cosmological scales is essentially the same question as whether or not dark matter/dark energy actually exist), and using both supernova data and informat...

Visser, Matt

2015-01-01T23:59:59.000Z

16

Brownian walkers within subdiffusing territorial boundaries  

E-Print Network [OSTI]

Inspired by the collective phenomenon of territorial emergence, whereby animals move and interact through the scent marks they deposit, we study the dynamics of a 1D Brownian walker in a random environment consisting of confining boundaries that are themselves diffusing anomalously. We show how to reduce, in certain parameter regimes, the non-Markovian, many-body problem of territoriality to the analytically tractable one-body problem studied here. The mean square displacement (MSD) of the 1D Brownian walker within subdiffusing boundaries is calculated exactly and generalizes well known results when the boundaries are immobile. Furthermore, under certain conditions, if the boundary dynamics are strongly subdiffusive, we show the appearance of an interesting non-monotonicity in the time dependence of the MSD, giving rise to transient negative diffusion.

Luca Giuggioli; Jonathan R. Potts; Stephen Harris

2011-02-04T23:59:59.000Z

17

Data Acquisition-Manipulation At Walker-Lane Transitional Zone...  

Open Energy Info (EERE)

- 2) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Data Acquisition-Manipulation At Walker-Lane Transitional Zone Region (Coolbaugh, Et Al.,...

18

Geodetic Survey At Walker-Lane Transitional Zone Region (Blewitt...  

Open Energy Info (EERE)

Zone Region (Blewitt Et Al, 2005) Exploration Activity Details Location Walker-Lane Transition Zone Geothermal Region Exploration Technique Geodetic Survey Activity Date...

19

Field Mapping At Walker-Lane Transitional Zone Region (Shevenell...  

Open Energy Info (EERE)

Region (Shevenell, Et Al., 2008) Exploration Activity Details Location Walker-Lane Transition Zone Geothermal Region Exploration Technique Field Mapping Activity Date Usefulness...

20

Compound and Elemental Analysis At Walker-Lane Transitional Zone...  

Open Energy Info (EERE)

Zone Region (Coolbaugh, Et Al., 2010) Exploration Activity Details Location Walker-Lane Transition Zone Geothermal Region Exploration Technique Compound and Elemental Analysis...

Note: This page contains sample records for the topic "walker branch throughfall" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


21

Teleseismic-Seismic Monitoring At Walker-Lane Transitional Zone...  

Open Energy Info (EERE)

Zone Region (Biasi, Et Al., 2008) Exploration Activity Details Location Walker-Lane Transition Zone Geothermal Region Exploration Technique Teleseismic-Seismic Monitoring Activity...

22

Geographic Information System At Walker-Lane Transitional Zone...  

Open Energy Info (EERE)

(Coolbaugh, Et Al., 2005 - 2) Exploration Activity Details Location Walker-Lane Transition Zone Geothermal Region Exploration Technique Geographic Information System Activity...

23

Isotopic Analysis At Walker-Lane Transitional Zone Region (Kennedy...  

Open Energy Info (EERE)

Zone Region (Kennedy & Van Soest, 2007) Exploration Activity Details Location Walker-Lane Transition Zone Geothermal Region Exploration Technique Isotopic Analysis- Fluid Activity...

24

Modeling-Computer Simulations At Walker-Lane Transitional Zone...  

Open Energy Info (EERE)

navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Modeling-Computer Simulations At Walker-Lane Transitional Zone Region (Biasi, Et Al., 2009) Exploration...

25

Modeling-Computer Simulations At Walker-Lane Transitional Zone...  

Open Energy Info (EERE)

navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Modeling-Computer Simulations At Walker-Lane Transitional Zone Region (Pritchett, 2004) Exploration...

26

Glan Morfa Community Woodland Jeanette Mays, Collette Hughes, Peter Smith & Jimmy Walker (MRRA)  

E-Print Network [OSTI]

Glan Morfa Community Woodland Jeanette Mays, Collette Hughes, Peter Smith & Jimmy Walker (MRRA & Jimmy Walker (MRRA) 01745 362459 marshcom@googlemail.com Marsh Road Residents Association, 33 Rhydwen Jeanette Mays, Collette Hughes, Peter Smith & Jimmy Walker (MRRA) 01745 362459 marshcom

27

The Fusion of Ideas: An Interview with Margaret Walker Alexander  

E-Print Network [OSTI]

Reproduced with permission of the copyright owner. Further reproduction prohibited without permission. The fusion of ideas: An interview with Margaret Walker Alex African American Review; Summer 1993; 27, 2; ProQuest Research Library pg. 279...

Graham, Maryemma

1993-06-01T23:59:59.000Z

28

Interaction of two walkers: Wave-mediated energy and force  

E-Print Network [OSTI]

A bouncing droplet, self-propelled by its interaction with the waves it generates, forms a classical wave-particle association called a "walker." Previous works have demonstrated that the dynamics of a single walker is driven by its global surface wave field that retains information on its past trajectory. Here, we investigate the energy stored in this wave field for two coupled walkers and how it conveys an interaction between them. For this purpose, we characterize experimentally the "promenade modes" where two walkers are bound, and propagate together. Their possible binding distances take discrete values, and the velocity of the pair depends on their mutual binding. The mean parallel motion can be either rectilinear or oscillating. The experimental results are recovered analytically with a simple theoretical framework. A relation between the kinetic energy of the droplets and the total energy of the standing waves is established.

Borghesi, Christian; Labousse, Matthieu; Eddi, Antonin; Fort, Emmanuel; Couder, Yves

2014-01-01T23:59:59.000Z

29

On the construction of Fermi-Walker transported frames  

E-Print Network [OSTI]

We consider tetrad fields as reference frames adapted to observers that move along arbitrary timelike trajectories in spacetime. By means of a local Lorentz transformation we can transform these frames into Fermi-Walker transported frames, which define a standard of non-rotation for accelerated observers. Here we present a simple prescription for the construction of Fermi-Walker transported frames out of an arbitrary set of tetrad fields.

J. W. Maluf; F. F. Faria

2008-04-15T23:59:59.000Z

30

Effect of resolved branches on the performance of delayed branching  

E-Print Network [OSTI]

-oi'-order Completion 3. Out-of-order Issue with Out-of-order Completion E. Performance III BRANCH INSTRUCTIONS A. Procedural Dependencies B. Eifect of Branching C. Types of Branches D. Resolution of Branches E. Penalty in Performance . F. Branch Strategies... . 1. Branch Prediction 2, Branch Folding 3. Delayed Branching . 4. COBRA (Cost Optimization of BRAnches) 5. Rearrangement of Instructions IV RESEARCH MODELS A. Objectives of the Research B. Simulation Methodology 6 6 7 9 10 11 12 13 15...

Ramabhadran, Anurekha

1995-01-01T23:59:59.000Z

31

, 20130047, published 2 June 20143722014Phil. Trans. R. Soc. A Walker Smith  

E-Print Network [OSTI]

, 20130047, published 2 June 20143722014Phil. Trans. R. Soc. A Walker Smith Thompson, Sophie Fielding , Damien Guihen , Elizabeth Creed , Je K. Ridley and Walker Smith Centre for Ocean and Atmospheric

Thompson, Andrew

32

, 20130047, published 2 June 20143722014Phil. Trans. R. Soc. A Walker Smith  

E-Print Network [OSTI]

, 20130047, published 2 June 20143722014Phil. Trans. R. Soc. A Walker Smith Thompson, Sophie. Ridley6 and Walker Smith7 1Centre for Ocean and Atmospheric Sciences, School of Environmental Sciences

Stevens, David

33

Department of Bioengineering Spring 2011 Self-Propelled Walker  

E-Print Network [OSTI]

Works Model was drawn to allow clarification of the design. Stress and displacement test was conducted on the SolidWorks model to analysis stress and strain of the design. Testing was conducted on the life of the battery, a testing protocol to ensure walker in uphill, downhill, and sideway position by using ISO 11199

Demirel, Melik C.

34

Iain S. Walker1 and Max H. Sherman1  

E-Print Network [OSTI]

LBNL 50189 1 Iain S. Walker1 and Max H. Sherman1 Sealant Longevity for Residential Ducts Reference by LBNL is being used as a basis for an ASTM Standard under sub-committee E6.41. LBNL tests found sealants. LBNL has also tested advanced tape products being developed by major manufacturers. The results

35

Department of Mechanical Engineering Spring 2012 Motorized Rolling Walker  

E-Print Network [OSTI]

.16 ft.-lb. of torque Added a light-weight Li-Ion battery and a pulse-width-modulator controller battery capacity Tested the combined braking system to ensure they would stop the walker from moving with and without power Battery performed as desired, providing approximately 4 hours of use No yielding

Demirel, Melik C.

36

Radioiodinated branched carbohydrates  

DOE Patents [OSTI]

A radioiodinated branched carbohydrate for tissue imaging. Iodine-123 is stabilized in the compound by attaching it to a vinyl functional group that is on the carbohydrate. The compound exhibits good uptake and retention and is promising in the development of radiopharmaceuticals for brain, heart and tumor imaging.

Goodman, Mark M. (Knoxville, TN); Knapp, Jr., Furn F. (Oak Ridge, TN)

1989-01-01T23:59:59.000Z

37

Local Causality in a Friedmann-Robertson-Walker Spacetime  

E-Print Network [OSTI]

A local, deterministic, and realistic model within a Friedmann-Robertson-Walker spacetime with constant spatial curvature is presented which describes simultaneous measurements of the spins of two fermions emerging in a singlet state from the decay of a spinless boson. Exact agreement with the probabilistic predictions of quantum theory is achieved in the model without data rejection, remote contextuality, superdeterminism, or backward causation. An event-by-event numerical simulation of the model is presented, which confirms our analytical results with the accuracy of 4 in ${10^4}$ parts.

Joy Christian

2014-04-17T23:59:59.000Z

38

Walker Lake Valley Geothermal Area | Open Energy Information  

Open Energy Info (EERE)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data CenterFranconia, Virginia:FAQ < RAPID Jump to:Seadov PtyInformationSEDS data JumpWakulla County, Florida:(Redirected from Walker

39

Kinematic and Mechanical Reconstruction of Walker Ridge Structures, Deepwater Gulf of Mexico  

E-Print Network [OSTI]

of the requirements for the degree of MASTER OF SCIENCE December 2009 Major Subject: Geology ? KINEMATIC AND MECHANICAL RECONSTRUCTION OF WALKER RIDGE STRUCTURES, DEEPWATER GULF OF MEXICO ? ? A Thesis OLUWATOSIN ENIOLA MAJEKODUNMI.... Bryant Head of Department, Andreas K. Kronenberg December 2009 Major Subject: Geology iii ABSTRACT Kinematic and Mechanical Reconstruction of Walker Ridge Structures, Deepwater Gulf of Mexico. (December 2009...

Majekodunmi, Oluwatosin Eniola

2011-02-22T23:59:59.000Z

40

THE NILPOTENCE HEIGHT OF Sq 2 n G. WALKER AND R. M. W. WOOD  

E-Print Network [OSTI]

THE NILPOTENCE HEIGHT OF Sq 2 n G. WALKER AND R. M. W. WOOD Abstract. A 20 year old conjecture 55S10. 1 #12; 2 G. WALKER AND R. M. W. WOOD Sq u d Sq v = X SqhRi : jRj = u + v; jRj + X r i #23; 2u

Wood, Reginald M W

Note: This page contains sample records for the topic "walker branch throughfall" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


41

The dual-task methodology and assessing the attentional demands of ambulation with walkers  

E-Print Network [OSTI]

subjects. uninformed as to the correct use of the walkers were used. Each subject completed three phases of the experiment: (1) performing the reaction time (RT) task only; (2) performing each of the walking tasks alone; and (3) performing each...

Cowley, Tammara Kemp

1994-01-01T23:59:59.000Z

42

Chaos in Preinflationary Friedmann-Robertson-Walker Universes  

E-Print Network [OSTI]

The dynamics of a preinflacionary phase of the universe, and its exit to inflation, is discussed. This phase is modeled by a closed Friedmann-Robertson-Walker geometry, the matter content of which is radiation plus a scalar field minimally coupled to the gravitational field. The simple configuration, with two effective degres of freedom only, presents a very complicated dynamics connected to the existence of critical points of saddle-center type and saddle type in phase space of the system. Each of these critical points is associated to an extremum of the scalar field potential. The Topology of the phase space about the saddle-center is characterized by homoclinic cylinders emanating from unstable periodic orbits, and the transversal crossing of the cylinders, due to the non-integrability of the system, results in a chaotic dynamics. The topology of the homoclinic cylinders provides an invariant characterization of chaos. The model exhibits one or more exits to inflation, associated to one or more strong asym...

Monerat, G A; Soares, I D; Soares, Ivano D.

1998-01-01T23:59:59.000Z

43

Issues in Parallel Branch and Price  

E-Print Network [OSTI]

Branch and price is the technique of combining column generation methods with branch ... price has been shown to be very e ective at solving large, specially ...

44

On Bose-Einstein condensation on closed Robertson-Walker spacetimes  

E-Print Network [OSTI]

In this letter we summarize our analysis of Bose-Einstein condensation on closed Robertson-Walker spacetimes. In a previous work we defined an adiabatic KMS state on the Weyl-algebra of the free massive Klein-Gordon field. This state describes a free Bose gas on Robertson-Walker spacetimes. We use this state to analyze the possibility of Bose-Einstein condensation on closed Robertson-Walker spacetimes. We take into account the effects due to the finiteness of the spatial volume and show that they are not relevant in the early universe. Furthermore we show that a critical radius can be defined. The condensate disappears above the critical radius.

M. Trucks

1998-11-12T23:59:59.000Z

45

In search of wholeness: same gender relationships in Alice Walker's novels  

E-Print Network [OSTI]

IN SEARCH OF WHOLENESS: SAME GENDER RELATIONSHIPS IN ALICE WALKER'S NOVELS A Thesis by AMY LAURA WINK Approved as to style and content by: e M garet E I (Chair of Committee) Janet McCann (Member) Thomas Green (Member) Hamlin Hill (Head... of Department) August 1989 IN SEARCH OF WHOLENESS; SAME GENDER RELATIONSHIPS IN ALICE WALKER'S NOVELS A Thesis by AMY LAURA WINK Submitted to the Office of Graduate Studes of Texas A&M University in partial fulfillment of the requirements for the day ee...

Wink, Amy Laura

1989-01-01T23:59:59.000Z

46

Direct Line: (250) 714-0045 Lab Tel: (250) 714-0044 ...1 of 18 pages Mr. Mark Walker  

E-Print Network [OSTI]

Direct Line: (250) 714-0045 Lab Tel: (250) 714-0044 ...1 of 18 pages Mr. Mark Walker Public Affairs Tracking For Survival, Proposal # 200311400 Dear Mr. Walker: I write in response to the NWPPC preliminary% of the requested annual amount of $1.5M. I would like to highlight the developments that have gone on this spring

47

energy company opens American branch  

E-Print Network [OSTI]

and environmental science and policy departments at UC Davis, said she thinks it is wonderful that Ecostream is coming to the Sacramento area and that UC Davis is a prime location for research on sustainability. "Inenergy company opens American branch in West Sacramento Substainible energy

Lin, C.-Y. Cynthia

48

Air Leakage of Furnaces and Air Handlers Iain S. Walker, Mike Lubliner, Darryl Dickerhoff,  

E-Print Network [OSTI]

Air Leakage of Furnaces and Air Handlers of California. #12;1 Air Leakage of Furnaces and Air Handlers Iain S. Walker, LBNL Mike Lubliner, Washington been made in reducing air leakage in residential and to a lesser extent small commercial forced air

49

Shape optimization of peristaltic pumping Shawn W. Walker *, Michael J. Shelley  

E-Print Network [OSTI]

Shape optimization of peristaltic pumping Shawn W. Walker *, Michael J. Shelley New York University 14 October 2009 Available online 25 October 2009 Keywords: Peristalsis Pumping Shape optimization PDE of biology and peristaltic pumping is a fundamental mechanism to accomplish this; it is also important

Shelley, Michael

50

HEAT RECOVERY IN BUILDING ENVELOPES Max H. Sherman and Iain S. Walker  

E-Print Network [OSTI]

1 LBNL 47329 HEAT RECOVERY IN BUILDING ENVELOPES Max H. Sherman and Iain S. Walker Energy formula may produce an unreasonably high contribution because of heat recovery within the building physical model has been developed and used to predict the infiltration heat recovery based on the Peclet

51

Seeing the sky through Hubble's eye: The COSMOS SkyWalker  

E-Print Network [OSTI]

Large, high-resolution space-based imaging surveys produce a volume of data that is difficult to present to the public in a comprehensible way. While megapixel-sized images can still be printed out or downloaded via the World Wide Web, this is no longer feasible for images with 10^9 pixels (e.g., the Hubble Space Telescope Advanced Camera for Surveys [ACS] images of the Galaxy Evolution from Morphology and SEDs [GEMS] project) or even 10^10 pixels (for the ACS Cosmic Evolution Survey [COSMOS]). We present a Web-based utility called the COSMOS SkyWalker that allows viewing of the huge ACS image data set, even through slow Internet connections. Using standard HTML and JavaScript, the application successively loads only those portions of the image at a time that are currently being viewed on the screen. The user can move within the image by using the mouse or interacting with an overview image. Using an astrometrically registered image for the COSMOS SkyWalker allows the display of calibrated world coordinates for use in science. The SkyWalker "technique" can be applied to other data sets. This requires some customization, notably the slicing up of a data set into small (e.g., 256^2 pixel) subimages. An advantage of the SkyWalker is the use of standard Web browser components; thus, it requires no installation of any software and can therefore be viewed by anyone across many operating systems.

K. Jahnke; S. F. Sanchez; A. Koekemoer

2006-07-23T23:59:59.000Z

52

Optimization Online - Branch-and-cut and Branch-and-cut-and-price ...  

E-Print Network [OSTI]

Jan 27, 2014 ... Branch-and-cut and Branch-and-cut-and-price Algorithms for the Adjacent Only Quadratic Minimum Spanning Tree Problem. Dilson Lucas ...

Dilson Lucas Pereira

2014-01-27T23:59:59.000Z

53

doi:10.1016/j.gca.2003.08.007 The multifarious scientific career of Robert M. Walker  

E-Print Network [OSTI]

not touch on his fundamental contributions to particle physics, nuclear physics (particularly the invention to diverse problems in neutron dosimetry (Fleischer, Price, and Walker, 1965b), dating by -recoil tracks

54

Figliozzi, Wheeler, Albright, Walker, Sarkar, and Rice 1 Algorithms to Study the Impacts of Travel Time Reliability along Multi-  

E-Print Network [OSTI]

Figliozzi, Wheeler, Albright, Walker, Sarkar, and Rice 1 Algorithms to Study the Impacts and Regional Planning Portland State University Shreemoyee Sarkar Computer Science Portland State University, Sarkar, and Rice 2 Abstract Performance measures allow planners and engineers to monitor

55

Exact solutions to Elko spinors in spatially flat Friedmann-Robertson-Walker spacetimes  

E-Print Network [OSTI]

In this paper we present exact solutions to the so-called Elko spinors for three models of expanding universe, namely the de Sitter, linear and the radiation type evolution. The study was restrict to flat, homogeneous and isotropic Friedmann-Robertson-Walker backgrounds. Starting with an Elko spinor we present the solutions for these cases and compared to the case of Dirac spinors. Besides, an attempt to use Elko spinors as a dark energy candidate in the cosmological context is investigated.

J. M. Hoff da Silva; S. H. Pereira

2014-03-06T23:59:59.000Z

56

MD Simulation Study of the Influence of Branch Content on Relaxation and Crystallization of Branched Polyethylene Chains with Uniform Branch Distribution  

E-Print Network [OSTI]

of Branched Polyethylene Chains with Uniform Branch Distribution I. A. HUSSEIN, B. F. ABU-SHARKH* Department-density polyethylene (LLDPE) chains with different levels of branch content (BC), ranging from 10 to 80 branches/1000 C words: MD simulation, Polyethylene, branch content, chain conformation, radius of gyration

Hussein, Ibnelwaleed A.

57

Vegetation survey of PEN Branch wetlands  

SciTech Connect (OSTI)

A survey was conducted of vegetation along Pen Branch Creek at Savannah River Site (SRS) in support of K-Reactor restart. Plants were identified to species by overstory, understory, shrub, and groundcover strata. Abundance was also characterized and richness and diversity calculated. Based on woody species basal area, the Pen Branch delta was the most impacted, followed by the sections between the reactor and the delta. Species richness for shrub and groundcover strata were also lowest in the delta. No endangered plant species were found. Three upland pine areas were also sampled. In support of K Reactor restart, this report summarizes a study of the wetland vegetation along Pen Branch. Reactor effluent enters Indian Grove Branch and then flows into Pen Branch and the Pen Branch Delta.

Not Available

1991-01-01T23:59:59.000Z

58

Branching Brownian Motion with branching at the origin Sergey Bocharov, Simon C. Harris  

E-Print Network [OSTI]

Branching Brownian Motion with branching at the origin Sergey Bocharov, Simon C. Harris University. Dawson and K. Fleischmann [4], K. Fleischmann and J.F. Le Gall [9] or J. Engl¨ander and D. Turaev [7 result is the Strong Law of Large Numbers for the branching system. Theorem 1.7 (SLLN). Let f : R R

Harris, Simon Colin

59

The average number of distinct sites visited by a random walker on random graphs  

E-Print Network [OSTI]

We study the linear large $n$ behavior of the average number of distinct sites $S(n)$ visited by a random walker after $n$ steps on a large random graph. An expression for the graph topology dependent prefactor $B$ in $S(n) = Bn$ is proposed. We use generating function techniques to relate this prefactor to the graph adjacency matrix and then devise message-passing equations to calculate its value. Numerical simulations are performed to evaluate the agreement between the message passing predictions and random walk simulations on random graphs. Scaling with system size and average graph connectivity are also analysed.

De Bacco, Caterina; Sollich, Peter

2015-01-01T23:59:59.000Z

60

Newtonian and Post-Newtonian approximations of the k = 0 Friedmann Robertson Walker Cosmology  

E-Print Network [OSTI]

In a previous paper we derived a post-Newtonian approximation to cosmology which, in contrast to former Newtonian and post-Newtonian cosmological theories, has a well-posed initial value problem. In this paper, this new post-Newtonian theory is compared with the fully general relativistic theory, in the context of the k = 0 Friedmann Robertson Walker cosmologies. It is found that the post-Newtonian theory reproduces the results of its general relativistic counterpart, whilst the Newtonian theory does not.

Tamath Rainsford

1999-09-12T23:59:59.000Z

Note: This page contains sample records for the topic "walker branch throughfall" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


61

On Parallel Transport in Quantum Bundles over Robertson-Walker Spacetimes  

E-Print Network [OSTI]

A recently-developed theory of quantum general relativity provides a propagator for free-falling particles in curved spacetimes. These propagators are constructed by parallel-transporting quantum states within a quantum bundle associated to the Poincare frame bundle. We consider such parallel transport in the case that the spacetime is a classical Robertson-Walker universe. An explicit integral formula is developed which expresses the propagators for parallel transport between any two points of such a spacetime. The integrals in this formula are evaluated in closed form for a particular spatially-flat model.

James Coleman

1996-12-03T23:59:59.000Z

62

On a Bipolar Model of Hyperbolic Geometry and its Relation to Hyperbolic Robertson-Walker Space  

E-Print Network [OSTI]

Negatively curved, or hyperbolic, regions of space in an FRW universe are a realistic possibility. These regions might occur in voids where there is no dark matter with only dark energy present. Hyperbolic space is strange and various "models" of hyperbolic space have been introduced, each offering some enlightened view. In the present work we develop a new bipolar model of hyperbolic geometry, closely related to an existing model - the band model - and show that it provides new insights toward an understanding of hyperbolic as well as elliptic Robertson-Walker space and the meaning of its isometries. In particular, we show that the circular geodesics of a hyperbolic Robertson-Walker space can be referenced to two real centers - a Euclidean center and an offset hyperbolic center. These are not the Euclidean center or poles of the bipolar coordinate system but rather refer to two distinct centers for circular orbits of particles in such systems. Considering the physics of elliptic RW space is so well confirmed in the Lambda-CDM model with respect to Euclidean coordinates from a Euclidean center, it is likely that the hyperbolic center plays a physical role in regions of hyperbolic space.

Harry I. Ringermacher; Lawrence R. Mead

2012-01-25T23:59:59.000Z

63

The Intermediate Scale Branch of the Landscape  

E-Print Network [OSTI]

Three branches of the string theory landscape have plausibly been identified. One of these branches is expected to exhibit a roughly logarithmic distribution of supersymmetry breaking scales. The original KKLT models are in this class. We argue that certain features of the KKLT model are generic to this branch, and that the resulting phenomenology depends on a small set of discrete choices. As in the MSSM, the weak scale in these theories is tuned; a possible explanation is selection for the dark matter density.

Michael Dine

2005-12-04T23:59:59.000Z

64

MOMENT ASYMPTOTICS FOR MULTITYPE BRANCHING RANDOM WALKS  

E-Print Network [OSTI]

of Montenegro 29 October, 2013 Abstract. We study a discrete time multitype branching random walk on a finite of Montenegro, Cetinjska 2, 81 000 Podgorica, Montenegro, ozrens@t-com.me AMS 2010 Subject Classification: 60J80

König, Wolfgang

65

MOMENT ASYMPTOTICS FOR MULTITYPE BRANCHING RANDOM WALKS  

E-Print Network [OSTI]

of Montenegro 29 October, 2013 Abstract. We study a discrete time multitype branching random walk on a #28;nite of Montenegro, Cetinjska 2, 81 000 Podgorica, Montenegro, ozrens@t-com.me AMS 2010 Subject Classi#28;cation: 60J

König, Wolfgang

66

Regulation of Branching by Phytochrome and Phytohormones  

E-Print Network [OSTI]

Light is the fundamental source of energy and information throughout the plant life cycle. Light signals regulate plant architecture and branching, key processes that determine biomass production and grain yield. Low red (R) to far-red (FR) light...

Krishnareddy, Srirama R.

2012-07-16T23:59:59.000Z

67

FY 1990 Applied Sciences Branch annual report  

SciTech Connect (OSTI)

The Applied Sciences Branch actively supports the advancement of DOE/SERI goals for the development and implementation of the solar photovoltaic technology. The primary focus of the laboratories is to provide state-of-the-art analytical capabilities for materials and device characterization and fabrication. The branch houses a comprehensive facility which is capable of providing information on the full range of photovoltaic components. A major objective of the branch is to aggressively pursue collaborative research with other government laboratories, universities, and industrial firms for the advancement of photovoltaic technologies. Members of the branch disseminate research findings to the technical community in publications and presentations. This report contains information on surface and interface analysis, materials characterization, development, electro-optical characterization module testing and performance, surface interactions and FTIR spectroscopy.

Keyes, B.M.; Dippo, P.C. [eds.

1991-11-01T23:59:59.000Z

68

Electrochemical Branched-DNA Assay for Polymerase Chain Reaction...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Branched-DNA Assay for Polymerase Chain Reaction-Free Detection and Quantification of Oncogenes in Messenger RNA Electrochemical Branched-DNA Assay for Polymerase Chain...

69

Temperature and Tidal Dynamics in a Branching Estuarine System  

E-Print Network [OSTI]

Importance of the Interconnectivity of Branching ChannelsImportance of the Interconnectivity of Branching Channels Inquestions about tidal interconnectivity in the Sacramento-

Wagner, Richard Wayne

2012-01-01T23:59:59.000Z

70

High Quality Graphene Formation on Improved 3C-SiC Epilayer Michael Walker,1,2  

E-Print Network [OSTI]

UG-32 High Quality Graphene Formation on Improved 3C-SiC Epilayer Michael Walker,1 excellent electronic, mechanical, photonic properties and 2D nature, graphene is believed to be able to push the semiconductor industry into the beyond- CMOS era. Among all the synthesis methods, the Graphene-On-Silicon (GOS

71

A Simplified Model of the Walker Circulation with an Interactive Ocean Mixed Layer and Cloud-Radiative Feedbacks  

E-Print Network [OSTI]

A Simplified Model of the Walker Circulation with an Interactive Ocean Mixed Layer and Cloud-Radiative, to leading order, these are set by the horizontally varying ocean heat transport and clear-sky radiative on the radiation budget, are strongly coupled to the large-scale circulation of both the atmosphere and ocean

Bretherton, Chris

72

Safety Meeting Minutes, July 2, 2008 Members Present: Randy Walker, Hollis Lundeen, Devin Brakob, Rick Brown, Ann  

E-Print Network [OSTI]

Safety Meeting Minutes, July 2, 2008 Members Present: Randy Walker, Hollis Lundeen, Devin Brakob, Rick Brown, Ann Byer, Steve Hammond, Michelle Ottmar and Vlada Gertseva Ann Byer, Safety Compliance officer from National Marine Fisheries Services came to the meeting and outlined the safety review

73

FISCAL FORESIGHT: ANALYTICS AND ECONOMETRICS ERIC M. LEEPER, TODD B. WALKER, AND SHU-CHUN SUSAN YANG  

E-Print Network [OSTI]

FISCAL FORESIGHT: ANALYTICS AND ECONOMETRICS ERIC M. LEEPER, TODD B. WALKER, AND SHU-CHUN SUSAN policy process. This paper develops an analytical framework to study the econometric implications from statistical innovations in conventional ways. Econometric analyses that fail to align agents

Hickman, Mark

74

donald a. WalkEr, Martha k. raynolds, MarcEl buchhorn and Jana l. PEircE  

E-Print Network [OSTI]

and permafrost changes in the prudhoe Bay oiLfieLd, aLaska DonalD a. Walker, Martha k. raynolDs, yuri l. shur Jl (eds.) (2014) Landscape and permafrost changes in the Prudhoe Bay Oilfield, Alaska. alaska: Pipelines, powerlines, and processing facility in the Prudhoe Bay Oilfield, June 2014. Photo by M

Hartman, Chris

75

Walker, I., Garrard, I. and Jowitt, F. (2014) The influence of a bicycle commuter's appearance on drivers' overtaking  

E-Print Network [OSTI]

Walker, I., Garrard, I. and Jowitt, F. (2014) The influence of a bicycle commuter's appearance policies. Please scroll down to view the document. #12;The influence of a bicycle commuter's appearance-visibility bicycling jacket was also used, as were two commercially available safety vests, one featuring a prominent

Burton, Geoffrey R.

76

Large scale dynamics of the Persistent Turning Walker model of fish behavior  

E-Print Network [OSTI]

This paper considers a new model of individual displacement, based on fish motion, the so-called Persistent Turning Walker (PTW) model, which involves an Ornstein-Uhlenbeck process on the curvature of the particle trajectory. The goal is to show that its large time and space scale dynamics is of diffusive type, and to provide an analytic expression of the diffusion coefficient. Two methods are investigated. In the first one, we compute the large time asymptotics of the variance of the individual stochastic trajectories. The second method is based on a diffusion approximation of the kinetic formulation of these stochastic trajectories. The kinetic model is a Fokker-Planck type equation posed in an extended phase-space involving the curvature among the kinetic variables. We show that both methods lead to the same value of the diffusion constant. We present some numerical simulations to illustrate the theoretical results.

Pierre Degond; Sébastien Motsch

2007-10-26T23:59:59.000Z

77

Distance-Redshift in Inhomogeneous $Omega_0=1$ Friedmann-Lemaitre-Robertson-Walker Cosmology  

E-Print Network [OSTI]

Distance--redshift relations are given in terms of associated Legendre functions for partially filled beam observations inspatially flat Friedmann-Lemaitre-Robertson-Walker (FLRW) cosmologies. These models are dynamically pressure-free, flat FLRW on large scales but, due to mass inhomogeneities, differ in their optical properties. The partially filled beam area-redshift equation is a Lame$^{\\prime}$ equation for arbitrary FLRW and is shown to simplify to the associated Legendre equation for the spatially flat, i.e. $\\Omega_0=1$ case. We fit these new analytic Hubble curves to recent supernovae (SNe) data in an attempt to determine both the mass parameter $\\Omega_m$ and the beam filling parameter $\

R. Kantowski; R. C. Thomas

2001-06-18T23:59:59.000Z

78

Journal of Engineering Mathematics Optimal discharging in a branched estuary Optimal discharging in a branched estuary  

E-Print Network [OSTI]

that returns to the discharge site is less polluted than would 1 #12;Journal of Engineering Mathematics OptimalJournal of Engineering Mathematics Optimal discharging in a branched estuary Optimal discharging the proximity of the discharge site to the branching and upon how the rate of discharge is adjusted. Explicit

79

-delayed proton emission branches in 43Cr  

SciTech Connect (OSTI)

The + decay of very neutron-deficient 43Cr was studied by means of an imaging time projection chamber that allowed recording tracks of charged particles. Events of -delayed emission of one, two, and three protons were clearly identified. The absolute branching ratios for these channels were determined to be (81 4)%, (7.1 0.4)%, and (0.08 0.03)%, respectively. 43Cr is thus established as the second case in which the -3p decay occurs. Although the feeding to the proton-bound states in 43V is expected to be negligible, the large branching ratio of (12 4)% for decays without proton emission is found.

Pomorski, M. [University of Warsaw; Miernik, K. [University of Warsaw; Dominik, W. [University of Warsaw; Janas, Z. [University of Warsaw; Pfutzner, M. [University of Warsaw; Bingham, C. R. [University of Tennessee, Knoxville (UTK); Czyrkowski, H. [University of Warsaw; Cwiok, Mikolaj [Warsaw University; Darby, Iain [University of Tennessee, Knoxville (UTK); Dabrowski, Ryszard [Warsaw University; Ginter, T. N. [Michigan State University, East Lansing; Grzywacz, Robert Kazimierz [ORNL; Karny, M. [University of Warsaw; Korgul, A. [University of Warsaw; Kusmierz, W. [University of Warsaw; Liddick, Sean [University of Tennessee, Knoxville (UTK); Rajabali, M. M. [University of Tennessee, Knoxville (UTK); Rykaczewski, Krzysztof Piotr [ORNL; Stolz, A. [Michigan State University, East Lansing

2011-01-01T23:59:59.000Z

80

Improved strategies for branching on general disjunctions  

E-Print Network [OSTI]

Jul 21, 2008 ... [1] used basis reduction to find good branching directions for certain classes of difficult integer ..... first, the size of the linear systems may become unmanageable in practice, and second, if we add up too many ...... Management Science 51(11), 1720–1732 (2005) ... ILOG: ILOG CPLEX 11.0 User's Manual.

2009-05-05T23:59:59.000Z

Note: This page contains sample records for the topic "walker branch throughfall" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


81

Measurement of the D -> pipi branching fractions  

E-Print Network [OSTI]

Using data from CLEO II at the Cornell Electron Storage Ring we provide a new measurement of the branching fraction for D0 --> pi+pi-, and we present the first measurements of D0 --> pi0pi0 and of D+ --> pi+pi0, which is ...

Ammar, Raymond G.; Ball, S.; Baringer, Philip S.; Coppage, Don; Copty, N.; Davis, Robin E. P.; Hancock, N.; Kelly, M.; Kwak, Nowhan; Lam, H.

1993-09-01T23:59:59.000Z

82

Measurement of the D*(2010) branching fractions  

E-Print Network [OSTI]

We report a measurement of the D*+ and D*0 decay branching fractions based on 780 pb-1 of data collected with the CLEO II detector. For radiative D*+ decay, we obtain an upper limit, B(D*+ --> D+ gamma) < 4.2% (90% confidence ...

Ammar, Raymond G.; Ball, S.; Baringer, Philip S.; Coppage, Don; Copty, N.; Davis, Robin E. P.; Hancock, N.; Kelly, M.; Kwak, Nowhan; Lam, H.

1992-10-01T23:59:59.000Z

83

A review of "Law, Crime and English Society, 1660-1830" by Norma Landau and "Crime, Gender and Social Order in Early Modern England" by Garthine Walker  

E-Print Network [OSTI]

postmodern philosophy and historical analysis energizes Law, Crime and English Society, 1660-1830, edited by Norma Landau, and Crime, Gender and Social Order in Early Modern England by Garthine Walker. While only the latter acknowledges its reviews 17...

Sherman, Donovan

2010-01-01T23:59:59.000Z

84

Influence of branch content on the microstructure of blends of linear and octene-branched polyethylene  

E-Print Network [OSTI]

experimental densities of the two polymer melts. Initially, chains of LLDPE and HDPE were completely mixed POLYMER JOURNAL #12;short chain branching (SCB) [26]. Few studies have made use of m-LLDPE in blend

Hussein, Ibnelwaleed A.

85

Interacting cosmic fluids in power-law Friedmann-Robertson-Walker cosmological models  

E-Print Network [OSTI]

We provide a detailed description for power--law scaling Friedmann-Robertson-Walker cosmological scenarios dominated by two interacting perfect fluid components during the expansion. As a consequence of the mutual interaction between the two fluids, neither component is conserved separately and the energy densities are proportional to $1/t^{2}$. It is shown that in flat FRW cosmological models there can exist interacting superpositions of two perfect fluids (each of them having a positive energy density) which accelerate the expansion of the universe. In this family there also exist flat power law cosmological scenarios where one of the fluids may have a ``cosmological constant" or "vacuum energy" equation of state ($p =-\\rho$) interacting with the other component; this scenario exactly mimics the behavior of the standard flat Friedmann solution for a single fluid with a barotropic equation of state. These possibilities of combining interacting perfect fluids do not exist for the non-interacting mixtures of two perfect cosmic fluids, where the general solution for the scale factor is not described by power--law expressions and has a more complicated behavior. In this study is considered also the associated single fluid model interpretation for the interaction between two fluids.

Mauricio Cataldo; Patricio Mella; Paul Minning; Joel Saavedra

2008-03-07T23:59:59.000Z

86

Branch content of metallocene polyethylene Ramnath Ramachandran, Gregory Beaucage*  

E-Print Network [OSTI]

Branch content of metallocene polyethylene Ramnath Ramachandran, Gregory Beaucage* and Amit catalyzed polyethylene (PE). A novel scaling approach is applied to determine the mole fraction branch solutions of metallocene polyethylene samples, to quantify the LCB content in polymers previously studied

Beaucage, Gregory

87

annual fourmile branch: Topics by E-print Network  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

space, referred to as the branching scheme. .... standard branch-and-bound both in terms of size of the enumeration tree and ...... of the fractional variable to be selected...

88

abnormal branching pattern: Topics by E-print Network  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

space, referred to as the branching scheme. .... standard branch-and-bound both in terms of size of the enumeration tree and ...... of the fractional variable to be selected...

89

Technology and Consumer Products Branch: program plan  

SciTech Connect (OSTI)

The primary objective of the Technology and Consumer Products Branch (TCP) is to encourage the development and commercialization of energy-efficient technologies and equipment used in buildings and purchased by consumers. The TCP program conducts technical research, development, and demonstration efforts jointly funded with private industry, educational institutions, utilities, and other Federal and state agencies as appropriate. All contracts, grants, or interagency agreements have the major thrust of developing products and disseminating information that will accelerate commercial availability of energy-efficient, low-cost, reliable technologies, techniques, and products suitable for use by consumers and design professionals in the residential and commercial building sectors. Specifically, the technologies pursued by the branch include heating and cooling systems, consumer appliances, lighting design, and systems. Projects for each of these areas are summarized briefly, and publications resulting from the activities are listed.

None

1980-03-01T23:59:59.000Z

90

Photovoltaic Program Branch annual report, FY 1989  

SciTech Connect (OSTI)

This report summarizes the progress of the Photovoltaic (PV) Program Branch of the Solar Energy Research Institute (SERI) from October 1, 1988, through September 30, 1989. The branch is responsible for managing the subcontracted portion of SERI's PV Advanced Research and Development Project. In fiscal year (FY) 1989, this included nearly 50 subcontracts, with a total annualized funding of approximately $13.1 million. Approximately two-thirds of the subcontracts were with universities, at a total funding of nearly $4 million. The six technical sections of the report cover the main areas of the subcontracted program: Amorphous Silicon Research, Polycrystalline Thin Films, Crystalline Silicon Materials Research, High-Efficiency Concepts, New Ideas, and University Participation. Technical summaries of each of the subcontracted programs provide a discussion of approaches, major accomplishments in FY 1989, and future research directions. Each report will be cataloged individually.

Summers, K A [ed.

1990-03-01T23:59:59.000Z

91

Nano-pore based characterization of branched polymers  

E-Print Network [OSTI]

We propose a novel characterization method of randomly branched polymers based on the geometrical property of such objects in confined spaces. The central idea is that randomly branched polymers exhibit passing/clogging transition across the nano-channel as a function of the channel size. This critical channel size depends on the degree of the branching, whereby allowing the extraction of the branching information of the molecule.

Takahiro Sakaue; Françoise Brochard-Wyart

2014-01-31T23:59:59.000Z

92

E-Print Network 3.0 - alternative energy branch Sample Search...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

branch Search Powered by Explorit Topic List Advanced Search Sample search results for: alternative energy branch Page: << < 1 2 3 4 5 > >> 1 Thesis Overview: Reducing Branch...

93

Annual report, Materials Science Branch, FY 1992  

SciTech Connect (OSTI)

This report summarizes the progress of the Materials Science Branch of the National Renewable Energy Laboratory (NREL) from October 1, 1991, through September 30, 1992. Six technical sections of the report cover these main areas of NREL`s in-house research: Crystal Growth, Amorphous Silicon, III-V High-Efficiency Photovoltaic Cells, Solid State Theory, Solid State Spectroscopy, and Program Management. Each section explains the purpose and major accomplishments of the work in the context of the US Department of Energy`s National Photovoltaic Research Program plans.

Padilla, S. [ed.

1993-10-01T23:59:59.000Z

94

Branching and Momentum Effects in Photochemistry  

SciTech Connect (OSTI)

The decision on the fate of the reaction (branching of the path) is sometimes not only taken at the last conical intersection, but the Franck-Condon region can also contribute. Consideration of simple properties such as the slopes of the potential surfaces can explain effects such as the principle of least motion or the torquoselectivity without invoking ad-hoc electronic effects. The lack of stereospecificity of cyclobutene ring opening and the wavelength dependence of photochemical reactions of alkylated olefins and cyclobutenes can similarly be explained, if one assumes in addition that the momentum is conserved over a certain time.

Fuss, Werner [Max-Planck-Institut fuer Quantenoptik, D-85748 Garching (Germany)

2007-12-26T23:59:59.000Z

95

The Branching of Graphs in 2-d Quantum Gravity  

E-Print Network [OSTI]

The branching ratio is calculated for three different models of 2d gravity, using dynamical planar phi-cubed graphs. These models are pure gravity, the D=-2 Gaussian model coupled to gravity and the single spin Ising model coupled to gravity. The ratio gives a measure of how branched the graphs dominating the partition function are. Hence it can be used to estimate the location of the branched polymer phase for the multiple Ising model coupled to 2d gravity.

M. G. Harris

1996-07-16T23:59:59.000Z

96

Basic Sciences Branch annual report, FY 1990  

SciTech Connect (OSTI)

This report summarizes the progress of the Basic Sciences Branch of the National Renewable Energy Laboratory (NREL) from October 1, 1989, through September 30, 1990. Six technical sections of the report cover these main areas of NREL's in-house research: Semiconductor Crystal Growth, Amorphous Silicon Research, Polycrystalline Thin Films, III-V High-Efficiency Photovoltaic Cells, Solid-State Theory, and Solid-State Spectroscopy. Each section of the report was written by the group leader principally in charge of the work. The task in each case was to explain the purpose and major accomplishments of the work in the context of the US Department of Energy's National Photovoltaic Research Program plans.

Not Available

1991-12-01T23:59:59.000Z

97

Basic Sciences Branch annual report, FY 1990  

SciTech Connect (OSTI)

This report summarizes the progress of the Basic Sciences Branch of the National Renewable Energy Laboratory (NREL) from October 1, 1989, through September 30, 1990. Six technical sections of the report cover these main areas of NREL`s in-house research: Semiconductor Crystal Growth, Amorphous Silicon Research, Polycrystalline Thin Films, III-V High-Efficiency Photovoltaic Cells, Solid-State Theory, and Solid-State Spectroscopy. Each section of the report was written by the group leader principally in charge of the work. The task in each case was to explain the purpose and major accomplishments of the work in the context of the US Department of Energy`s National Photovoltaic Research Program plans.

Not Available

1991-12-01T23:59:59.000Z

98

Determination of Charm Hadronic Branching Fractions at CLEO-c  

E-Print Network [OSTI]

Recent results from CLEO-c on measurements of absolute hadronic branching fractions of D0, D+, and Ds+ mesons are presented.

A. Ryd

2007-11-24T23:59:59.000Z

99

Information-Based Branching Schemes for Binary Linear Mixed ...  

E-Print Network [OSTI]

For example, the first branching policy 0-0-0 performs ... We expected poor performance of this policy as it weights each active clause .... Hyderabad, India.

2009-11-27T23:59:59.000Z

100

BBuulllleettiinnFEBRUARY 2009 HARBOR BRANCH FORMS OCEAN EXPLORATION  

E-Print Network [OSTI]

is interested in mapping large swaths of sea floor in deep water. Harbor Branch will support this mission for the following reasons: · to provide detailed data on the distribu- tion of deep water reefs in order to protect with project management services, and our ship the RV Seward Johnson. At the same time Harbor Branch's Center

Fernandez, Eduardo

Note: This page contains sample records for the topic "walker branch throughfall" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


101

Branch length distribution in TREF fractionated polyethylene Ramnath Ramachandran a  

E-Print Network [OSTI]

Branch length distribution in TREF fractionated polyethylene Ramnath Ramachandran a , Gregory Keywords: Polyethylene Branching Neutron scattering a b s t r a c t Commercial polyethylene is typically and catalyst activity. Further, processing of polyethylene after polymerization may also result in changes

Beaucage, Gregory

102

Radiolabeled dimethyl branched long chain fatty acid for heart imaging  

DOE Patents [OSTI]

A radiolabeled long chain fatty acid for heart imaging that has dimethyl branching at one of the carbons of the chain which inhibits the extent to which oxidation can occur. The closer to the carboxyl the branching is positioned, the more limited the oxidation, thereby resulting in prolonged retention of the radiolabeled compound in the heart.

Knapp, Jr., Furn F. (Oak Ridge, TN); Goodman, Mark M. (Knoxville, TN); Kirsch, Gilbert (Woippy, FR)

1988-08-16T23:59:59.000Z

103

INTRODUCTION Branched tubular epithelial structures are found in most  

E-Print Network [OSTI]

(respiratory) system, a branched tubular epithelium, is similarly amenable to cellular and genetic analysis to define the mechanisms of branching morphogenesis in vivo. The tracheal system delivers oxygen directly © The Company of Biologists Limited 1996 DEV7471 The tracheal (respiratory) system of Drosophila melanogaster

Krasnow, Mark A.

104

APPLYING CACHING TO TWO-LEVEL ADAPTIVE BRANCH PREDICTION  

E-Print Network [OSTI]

" of Sibiu Hatfield, Hertfordshire, U.K. Seoul, Korea Sibiu-2400, Romania AL10 9AB 139-743 email: C% [1]. More recently, the advent of superscalar processors has given renewed impetus to branch on a superscalar processor. This renewed interest in branch prediction led to a dramatic breakthrough in the 1990s

Vintan, Lucian N.

105

Surviving particles for subcritical branching processes in random environment  

E-Print Network [OSTI]

Surviving particles for subcritical branching processes in random environment Vincent Bansaye December 9, 2008 Abstract The asymptotic behavior of a subcritical Branching Process in Random Envi- ronment (BPRE) starting with several particles depends on whether the BPRE is strongly subcritical (SS

Paris-Sud XI, Université de

106

Coupling a branching process to an infinite dimensional epidemic process  

E-Print Network [OSTI]

Coupling a branching process to an infinite dimensional epidemic process A. D. Barbour Universit¨at Z¨urich To Cindy Greenwood, for her 70th. Abstract Branching process approximation to the initial stages of an epi- demic process has been used since the 1950's as a technique for pro- viding stochastic

Barbour, Andrew

107

C. Rdiger, J.P. Walker, J.D. Kalma, G.R. Willgoose, and P.R. Houser (2004), Streamflow data assimilation: A study on nested catchments,  

E-Print Network [OSTI]

assimilation: A study on nested catchments, in Proceedings of the 2nd international CAHMDA workshop on: The Ter.P. Walker1, J.D. Kalma2, G.R. Willgoose3, and P.R. Houser4 1Dept. of Civil and Environmental Engineering "observations" and the evaluation data. The initial conditions and land surface forcing data are then degraded

Walker, Jeff

108

Interstitial deletion of 8q21{yields}22 associated with minor anomalies, congenital heart defect, and Dandy-Walker variant  

SciTech Connect (OSTI)

We describe an infant with a deletion of 8q21{yields}22 who had distinct clinical manifestations including minor facial anomalies, a congenital heart defect, a Dandy-Walker variant, and mild to moderate developmental delay. Her facial characteristics included small, wide-spaced eyes, asymmetric bilateral epicanthal folds, a broad nasal bridge, a {open_quotes}carp-shaped{close_quotes} mouth, micrognathia, and prominent, apparently low-set ears. Three other reports describe children with larger proximal deletions of 8q that include 8q21 and q22. These four children all have similar facial appearance. Of the others reported, one had a congenital heart defect and one had craniosynostosis. This case, in addition to the previously noted three cases, helps in delineating a recognizable syndrome. 12 refs., 3 figs., 1 tab.

Donahue, M.L. [Medical Univ. of South Carolina, Charleston, SC (United States); Ryan, R.M. [Univ. of Rochester, NY (United States)

1995-03-13T23:59:59.000Z

109

Quantification of branching in model 3-arm star polyethylene Ramnath Ramachandran, Gregory Beaucage*  

E-Print Network [OSTI]

1 Quantification of branching in model 3-arm star polyethylene Ramnath Ramachandran, Gregory-arm star polyethylene molecules is presented. Many commercial polyethylenes have long side branches-density polyethylene (LDPE) is typically a highly branched structure with broad distributions in branch content, branch

Beaucage, Gregory

110

Problem definition Branch-and-Price approach Pricing: knapsack problem with conflicts Results A Branch-and-Price Algorithm for the Bin  

E-Print Network [OSTI]

Problem definition Branch-and-Price approach Pricing: knapsack problem with conflicts Results A Branch-and-Price Algorithm for the Bin Packing Problem with Conflicts Ruslan Sadykov1 François Vanderbeck Sadykov, François Vanderbeck Branch-and-price for bin packing with conflicts #12;Problem definition Branch-and-Price

Vanderbeck, François

111

Measurement of the Topological Branching Fractions of the ? Lepton  

E-Print Network [OSTI]

We report new and precise measurements of the decay branching fractions of the ? lepton to one and three charged particles. The data, corresponding to an integrated luminosity of 176 pb(?1), were collected by the high ...

Baringer, Philip S.

1985-08-05T23:59:59.000Z

112

Establishment report: Reforestation of the Pen Branch corridor and delta  

SciTech Connect (OSTI)

This report documents the role of the USDA Forest Service in the reforestation of the Pen Branch floodplain and delta. The report focuses upon the reforestation activities and monitoring to characterize the sites.

Nelson, E.A.; Dulohery, N.J.; Bunton, C.S.; Trettin, C.C.; McKee, W.H. Jr.

1995-12-01T23:59:59.000Z

113

Strong Branching Inequalities for Convex Mixed Integer Nonlinear ...  

E-Print Network [OSTI]

Sep 3, 2011 ... the branch-and-bound tree for solving Mixed Integer Nonlinear ..... A complete proof of Lemma 1 can be found in the Ph.D. thesis of K?l?nç [24].

2011-09-03T23:59:59.000Z

114

E-Print Network 3.0 - advanced branching control Sample Search...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

control... caused by hard-to-predict branch mispredictions, by collapsing multiple control flow paths and scheduling... - tion of the branch guarding predicate. Depending on...

115

Reproductive success and mortality rates of Ceriodaphnia dubia maintained in water from Upper Three Runs, Pen Branch, and Fourmile Branch  

SciTech Connect (OSTI)

It is anticipated that the new SRS NPDES permit will require toxicity testing of at numerous outfalls and receiving streams, using the standard test species, Ceriodaphnia dubia. Because SRS surface waters differ markedly from the standard culture water that is used for Ceriodaphnia, studies were undertaken to determine if unimpacted SRS surface waters will support this species. Three SRS surface waters were evaluated; Upper Three Runs at Road 8-1, Pen Branch at Road B, and Fourmile Branch at Road F. Toxicity tests were performed monthly on each water source for eleven months. All three water sources exhibited varying degrees of toxicity to Ceriodaphnia, with Pen Branch being the least toxic and Fourmile Branch being the most toxic. These results indicate that if in-stream toxicity testing is required, it may not be possible to separate the naturally occurring toxic effects of the receiving water from possible toxic effects of SRS effluents.

Specht, W.L.

1994-12-01T23:59:59.000Z

116

Using EPR To Compare PEG-branch-nitroxide "Bivalent-Brush Polymers" and Traditional PEG Bottle-Brush Polymers: Branching  

E-Print Network [OSTI]

Using EPR To Compare PEG-branch-nitroxide "Bivalent-Brush Polymers" and Traditional PEG Bottle and a hydrophobic nitroxide domain. Electron paramagnetic resonance (EPR) spectroscopy was used to characterize

Turro, Nicholas J.

117

Approximation methods in Loop Quantum Cosmology: From Gowdy cosmologies to inhomogeneous models in Friedmann-Robertson-Walker geometries  

E-Print Network [OSTI]

We develop approximation methods in the hybrid quantization of the Gowdy model with linear polarization and a massless scalar field, for the case of three-torus spatial topology. The loop quantization of the homogeneous gravitational sector of the Gowdy model (according to the improved dynamics prescription) and the presence of inhomogeneities lead to a very complicated Hamiltonian constraint. Therefore, the extraction of physical results calls for the introduction of well justified approximations. We first show how to approximate the homogeneous part of the Hamiltonian constraint, corresponding to Bianchi I geometries, as if it described a Friedmann-Robertson-Walker (FRW) model corrected with anisotropies. This approximation is valid in the high-energy sector of the FRW geometry (concerning its contribution to the constraint) and for anisotropy profiles that are sufficiently smooth. In addition, for certain families of states associated to regimes of physical interest, with negligible effects of the anisotropies and small inhomogeneities, one can approximate the Hamiltonian constraint of the inhomogeneous system by that of an FRW geometry with a relatively simple matter content, and then obtain its solutions.

Mercedes Martín-Benito; Daniel Martín-de Blas; Guillermo A. Mena Marugán

2014-11-28T23:59:59.000Z

118

FY 1991 Measurements and Characterization Branch annual report  

SciTech Connect (OSTI)

The Measurements and Characterization Branch of the National Renewable Laboratory (NREL) provides comprehensive photovoltaic (PV) materials, devices, characterization, measurement, fabrication, modeling research, and support for the international PV research community, in the context of the US Department of Energy's Photovoltaic Research Program goals. This report summarizes the progress of the Branch from 31 January 1991 through 31 January 1992. The eight technical sections present a succinct overview of the capabilities and accomplishments of each group in the Branch. The Branch is comprised of the following groups: Surface and interface Analysis; Materials Characterization; Device Development; Electro-optical Characterization; Advanced PV module Performance and Reliability Research; Cell Performance Characterization; Surface Interactions, Modification, and Stability; and FTIR Spectroscopic Research. The including measurements and tests of PV materials, cells, submodules, and modules. The report contains a comprehensive bibliography of 77 branch originated journal and conference publications, which were authored in collaboration with, or in support of, approximately 135 university, industrial, government, and in-house research groups.

Osterwald, C.R.; Dippo, P.C. (eds.)

1992-11-01T23:59:59.000Z

119

FY 1991 Measurements and Characterization Branch annual report  

SciTech Connect (OSTI)

The Measurements and Characterization Branch of the National Renewable Laboratory (NREL) provides comprehensive photovoltaic (PV) materials, devices, characterization, measurement, fabrication, modeling research, and support for the international PV research community, in the context of the US Department of Energy`s Photovoltaic Research Program goals. This report summarizes the progress of the Branch from 31 January 1991 through 31 January 1992. The eight technical sections present a succinct overview of the capabilities and accomplishments of each group in the Branch. The Branch is comprised of the following groups: Surface and interface Analysis; Materials Characterization; Device Development; Electro-optical Characterization; Advanced PV module Performance and Reliability Research; Cell Performance Characterization; Surface Interactions, Modification, and Stability; and FTIR Spectroscopic Research. The including measurements and tests of PV materials, cells, submodules, and modules. The report contains a comprehensive bibliography of 77 branch originated journal and conference publications, which were authored in collaboration with, or in support of, approximately 135 university, industrial, government, and in-house research groups.

Osterwald, C.R.; Dippo, P.C. [eds.

1992-11-01T23:59:59.000Z

120

Quantum vs. Classical Read-once Branching Programs  

E-Print Network [OSTI]

The paper presents the first nontrivial upper and lower bounds for (non-oblivious) quantum read-once branching programs. It is shown that the computational power of quantum and classical read-once branching programs is incomparable in the following sense: (i) A simple, explicit boolean function on 2n input bits is presented that is computable by error-free quantum read-once branching programs of size O(n^3), while each classical randomized read-once branching program and each quantum OBDD for this function with bounded two-sided error requires size 2^{\\Omega(n)}. (ii) Quantum branching programs reading each input variable exactly once are shown to require size 2^{\\Omega(n)} for computing the set-disjointness function DISJ_n from communication complexity theory with two-sided error bounded by a constant smaller than 1/2-2\\sqrt{3}/7. This function is trivially computable even by deterministic OBDDs of linear size. The technically most involved part is the proof of the lower bound in (ii). For this, a new model of quantum multi-partition communication protocols is introduced and a suitable extension of the information cost technique of Jain, Radhakrishnan, and Sen (2003) to this model is presented.

Martin Sauerhoff

2005-09-23T23:59:59.000Z

Note: This page contains sample records for the topic "walker branch throughfall" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


121

Beta-decay branching ratios of 62Ga  

E-Print Network [OSTI]

Beta-decay branching ratios of 62Ga have been measured at the IGISOL facility of the Accelerator Laboratory of the University of Jyvaskyla. 62Ga is one of the heavier Tz = 0, 0+ -> 0+ beta-emitting nuclides used to determine the vector coupling constant of the weak interaction and the Vud quark-mixing matrix element. For part of the experimental studies presented here, the JYFLTRAP facility has been employed to prepare isotopically pure beams of 62Ga. The branching ratio obtained, BR= 99.893(24)%, for the super-allowed branch is in agreement with previous measurements and allows to determine the ft value and the universal Ft value for the super-allowed beta decay of 62Ga.

A. Bey; B. Blank; G. Canchel; C. Dossat; J. Giovinazzo; I. Matea; V. Elomaa; T. Eronen; U. Hager; M. Hakala; A. Jokinen; A. Kankainen; I. Moore; H. Penttila; S. Rinta-Antila; A. Saastamoinen; T. Sonoda; J. Aysto; N. Adimi; G. De France; J. C. Thomas; G. Voltolini; T. Chaventré

2008-04-17T23:59:59.000Z

122

RADIONUCLIDE INVENTORY AND DISTRIBUTION: FOURMILE BRANCH, PEN BRANCH, AND STEEL CREEK IOUS  

SciTech Connect (OSTI)

As a condition to the Department of Energy (DOE) Low Level Waste Disposal Federal Facility Review Group (LFRG) review team approving the Savannah River Site (SRS) Composite Analysis (CA), SRS agreed to follow up on a secondary issue, which consisted of the consolidation of several observations that the team concluded, when evaluated collectively, could potentially impact the integration of the CA results. This report addresses secondary issue observations 4 and 21, which identify the need to improve the CA sensitivity and uncertainty analysis specifically by improving the CA inventory and the estimate of its uncertainty. The purpose of the work described herein was to be responsive to these secondary issue observations by re-examining the radionuclide inventories of the Integrator Operable Units (IOUs), as documented in ERD 2001 and Hiergesell, et. al. 2008. The LFRG concern has been partially addressed already for the Lower Three Runs (LTR) IOU (Hiergesell and Phifer, 2012). The work described in this investigation is a continuation of the effort to address the LFRG concerns by re-examining the radionuclide inventories associated with Fourmile Branch (FMB) IOU, Pen Branch (PB) IOU and Steel Creek (SC) IOU. The overall approach to computing radionuclide inventories for each of the IOUs involved the following components: • Defining contaminated reaches of sediments along the IOU waterways • Identifying separate segments within each IOU waterway to evaluate individually • Computing the volume and mass of contaminated soil associated with each segment, or “compartment” • Obtaining the available and appropriate Sediment and Sediment/Soil analytical results associated with each IOU • Standardizing all radionuclide activity by decay-correcting all sample analytical results from sample date to the current point in time, • Computing representative concentrations for all radionuclides associated with each compartment in each of the IOUs • Computing the radionuclide inventory of each DOE-added radionuclide for the compartments of each IOU by applying the representative, central value concentration to the mass of contaminated soil • Totaling the inventory for all compartments associated with each of the IOUs Using this approach the 2013 radionuclide inventories for each sub-compartment associated with each of the three IOUs were computed, by radionuclide. The inventories from all IOU compartments were then rolled-up into a total inventory for each IOU. To put the computed estimate of radionuclide activities within FMB, PB, and SC IOUs into context, attention was drawn to Cs-137, which was the radionuclide with the largest contributor to the calculated dose to a member of the public at the perimeter of SRS within the 2010 SRS CA (SRNL 2010). The total Cs-137 activity in each of the IOUs was calculated to be 9.13, 1.5, and 17.4 Ci for FMB, PB, and SC IOUs, respectively. Another objective of this investigation was to address the degree of uncertainty associated with the estimated residual radionuclide activity that is calculated for the FMB, PB, and SC IOUs. Two primary contributing factors to overall uncertainty of inventory estimates were identified and evaluated. The first related to the computation of the mass of contaminated material in a particular IOU compartment and the second to the uncertainty associated with analytical counting errors. The error ranges for the mass of contaminated material in each IOU compartment were all calculated to be approximately +/- 9.6%, or a nominal +/-10%. This nominal value was added to the uncertainty associated with the analytical counting errors that were associated with each radionuclide, individually. This total uncertainty was then used to calculate a maximum and minimum estimated radionuclide inventories for each IOU.

Hiergesell, R.; Phifer, M.

2014-04-29T23:59:59.000Z

123

,rsity or Calirorn:taBuue: SOUTHERN -BRANCH  

E-Print Network [OSTI]

. Astronomy, 117. Biology, 102. Board,96. Books, 97. Boeaiyl, 102. Calendar, 5. Chemistry, 108. Chemistry BRANCH LOS ANGELES , CALIFORNIA ForSaleattheStudents'BookStores. Berkeley and Los Angeles PRICE , 10 information about the University, its organization , government , requirements for admission to undergraduate

Grether, Gregory

124

Extending the Cell SPE with Energy Efficient Branch Prediction  

E-Print Network [OSTI]

Extending the Cell SPE with Energy Efficient Branch Prediction Martijn Briejer1 , Cor Meenderinck1 , and Ben Juurlink2 1 Delft University of Technology, Delft, the Netherlands cor@ce.et.tudelft.nl 2 Technische Universit¨at Berlin, Berlin, Germany juurlink@cs.tu-berlin.de Abstract. Energy-efficient dynamic

Kuzmanov, Georgi

125

More Branch-and-Bound Experiments in Convex Nonlinear Integer ...  

E-Print Network [OSTI]

Sep 29, 2011 ... Department of Industrial Engineering and Management Sciences, Northwestern University,. Evanston, IL 60208 ... chooses the “best” one as the actual branching variable. “Reliability .... mean that all selection strategies perform similarly in practice. Indeed ...... User manual for filterSQP, 1998. University of ...

pierre

126

Branching Brownian motion with an inhomogeneous breeding potential  

E-Print Network [OSTI]

Branching Brownian motion with an inhomogeneous breeding potential J. W. Harris and S. C. Harris 1TW, U.K. email: john.harris@bristol.ac.uk. Supported by the Heilbronn Institute for Mathe- matical.K. email: s.c.harris@bath.ac.uk 1 #12;|y|p for p > 2, the population would almost surely explode

Harris, Simon Colin

127

Gas compressor with side branch absorber for pulsation control  

DOE Patents [OSTI]

A method and system for reducing pulsation in lateral piping associated with a gas compressor system. A tunable side branch absorber (TSBA) is installed on the lateral piping. A pulsation sensor is placed in the lateral piping, to measure pulsation within the piping. The sensor output signals are delivered to a controller, which controls actuators that change the acoustic dimensions of the SBA.

Harris, Ralph E. (San Antonio, TX); Scrivner, Christine M. (San Antonio, TX); Broerman, III, Eugene L. (San Antonio, TX)

2011-05-24T23:59:59.000Z

128

TRIBAND BRANCH LINE COUPLER USING DOUBLE-LORENTZ  

E-Print Network [OSTI]

TRIBAND BRANCH LINE COUPLER USING DOUBLE-LORENTZ TRANSMISSION LINES Hanseung Lee and Sangwook Nam) transmission lines (TL) provides two additional degrees of freedom in realizing triband microwave devices-Lorentz; transmission lines; triband; directional couplers 1. INTRODUCTION The concept of artificial TLs having

Nam, Sangwook

129

A BRANCH-AND-PRICE ALGORITHM AND NEW TEST PROBLEMS ...  

E-Print Network [OSTI]

Next, we describe several branching strategies, their effect on the pricing problem, and then ..... Sun Blade 2000 with 8.0 GB of memory and 2 Sun UltraSPARC-III+ CPUs running at 900 MHz ..... In Proceedings of IJCAI-99, Stockholm, Sweden,.

130

The Polymerase Chain Reaction and Branching Processes Fengzhu Sun  

E-Print Network [OSTI]

The Polymerase Chain Reaction and Branching Processes Fengzhu Sun Department of Mathematics, DRB is studied. We also study the distribution of the Hamming distance between two randomly chosen sequences long. The double-stranded DNA molecules are heated to near boiling temperature so that the double

Sun, Fengzhu - Sun, Fengzhu

131

E-Print Network 3.0 - asymptotic giant branch Sample Search Results  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

search results for: asymptotic giant branch Page: << < 1 2 3 4 5 > >> 1 Division of Astronomy and Space Physics Convection and Dynamics in Cool Giants Summary: giant branch star:...

132

Branching Fraction Measurement of B to omega l nu decays  

SciTech Connect (OSTI)

We present a measurement of the B{sup +} {yields} {omega}{ell}{sup +}{nu} branching fraction based on a sample of 467 million B{bar B} pairs recorded by the BABAR detector at the SLAC PEP-II e{sup +}e{sup -} collider. We observe 1041 {+-} 133 signal decays, corresponding to a branching fraction of {Beta}(B{sup +} {yields} {omega}{ell}{sup +}{nu}) = (1.15 {+-} 0.15 {+-} 0.12) x 10{sup -4}, where the first error is statistical and the second is systematic. The dependence of the decay rate on q{sup 2}, the momentum transfer squared to the lepton system, is compared to QCD predictions of the form factors based on a quark model and light-cone sum rules.

Lees, J.P.; Poireau, V.; Tisserand, V.; /Annecy, LAPP; Garra Tico, J.; Grauges, E.; /Barcelona U., ECM; Palano, A.; /Bari U. /INFN, Bari; Eigen, G.; Stugu, B.; /Bergen U.; Brown, D.N.; Kerth, L.T.; Kolomensky, Yu.G.; Lynch, G.; /LBL, Berkeley /UC, Berkeley; Koch, H.; Schroeder, T.; /Ruhr U., Bochum; Asgeirsson, D.J.; Hearty, C.; Mattison, T.S.; McKenna, J.A.; So, R.Y.; /British Columbia U.; Khan, A.; /Brunel U.; Blinov, V.E.; /Novosibirsk, IYF /UC, Irvine /UC, Riverside /UC, Santa Barbara /UC, Santa Cruz /Caltech /Cincinnati U. /Colorado U. /Colorado State U. /Dortmund U. /Dresden, Tech. U. /Ecole Polytechnique /Edinburgh U. /Ferrara U. /INFN, Ferrara /Frascati /Genoa U. /INFN, Genoa /Indian Inst. Tech., Guwahati /Harvard U. /Harvey Mudd Coll. /Heidelberg U. /Humboldt U., Berlin /Imperial Coll., London /Iowa State U. /Iowa State U. /Johns Hopkins U. /Orsay, LAL /LLNL, Livermore /Liverpool U. /Queen Mary, U. of London /Royal Holloway, U. of London /Louisville U. /Mainz U., Inst. Kernphys. /Manchester U., Comp. Sci. Dept. /Maryland U. /Massachusetts U., Amherst /MIT /McGill U. /Milan U. /INFN, Milan /Mississippi U. /Montreal U. /Naples U. /INFN, Naples /NIKHEF, Amsterdam /Notre Dame U. /Ohio State U.; /more authors..

2012-06-13T23:59:59.000Z

133

The genealogy of branching Brownian motion with absorption  

E-Print Network [OSTI]

We consider a system of particles which perform branching Brownian motion with negative drift and are killed upon reaching zero, in the near-critical regime where the total population stays roughly constant with approximately N particles. We show that the characteristic time scale for the evolution of this population is of order $(\\log N)^3$, in the sense that when time is measured in these units, the scaled number of particles converges to a variant of Neveu's continuous-state branching process. Furthermore, the genealogy of the particles is then governed by a coalescent process known as the Bolthausen-Sznitman coalescent. This validates the nonrigorous predictions by Brunet, Derrida, Muller and Munier for a closely related model.

Julien Berestycki; Nathanaël Berestycki; Jason Schweinsberg

2010-01-13T23:59:59.000Z

134

Relevance of complex branch points for partial wave analysis  

SciTech Connect (OSTI)

A central issue in hadron spectroscopy is to deduce--and interpret--resonance parameters, namely, pole positions and residues, from experimental data, for those are the quantities to be compared to lattice QCD or model calculations. However, not every structure in the observables derives from a resonance pole: the origin might as well be branch points, either located on the real axis (when a new channel composed of stable particles opens) or in the complex plane (when at least one of the intermediate particles is unstable). In this paper we demonstrate first the existence of such branch points in the complex plane and then show on the example of the {pi}N P{sub 11} partial wave that it is not possible to distinguish the structures induced by the latter from a true pole signal based on elastic data alone.

Ceci, S.; Svarc, A. [Rudjer Boskovic Institute, Bijenicka 54, HR-10000 Zagreb (Croatia); Doering, M. [HISKP (Theorie), Universitaet Bonn, Nussallee 14-16, D-53115 Bonn (Germany); Hanhart, C.; Krewald, S. [Institut fuer Kernphysik and Juelich Center for Hadron Physics, Forschungszentrum Juelich, D-52425 Juelich (Germany); Institute for Advanced Simulation, Forschungszentrum Juelich, D-52425 Juelich (Germany); Meissner, U.-G. [HISKP (Theorie), Universitaet Bonn, Nussallee 14-16, D-53115 Bonn (Germany); Institut fuer Kernphysik and Juelich Center for Hadron Physics, Forschungszentrum Juelich, D-52425 Juelich (Germany); Institute for Advanced Simulation, Forschungszentrum Juelich, D-52425 Juelich (Germany)

2011-07-15T23:59:59.000Z

135

Central Limit Theorem for Branching Random Walks in Random Environment  

E-Print Network [OSTI]

We consider branching random walks in $d$-dimensional integer lattice with time-space i.i.d. offspring distributions. When $d \\ge 3$ and the fluctuation of the environment is well moderated by the random walk, we prove a central limit theorem for the density of the population, together with upper bounds for the density of the most populated site and the replica overlap. We also discuss the phase transition of this model in connection with directed polymers in random environment.

Nobuo Yoshida

2007-12-05T23:59:59.000Z

136

Hawaii Wastewater Branch Online Application Webpage | Open Energy  

Open Energy Info (EERE)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data CenterFranconia, Virginia: Energy Resources Jump to: navigation,Ohio:Greer CountyCorridor | OpenOpenInformationInformation Branch

137

Interview with John Walker  

E-Print Network [OSTI]

, of rotary action produced by consumption of electrical energy, the proton motive force being used to generate directation, rather like water flowing through a dynamo generates electricity; it now turns out that this rotary principle is quite widely dispersed... and to move the Institute to the Cote d'Azur; managed to get Government funding in the end 51:46:00 Georges Cohen, with whom I worked, could see my difficulty and helped me to come back to England; came to Cambridge Easter 1974 to a course funded by EMBO...

Walker, John E

2008-08-13T23:59:59.000Z

138

Lawrence R Walker | EMSL  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmospheric Optical Depth7-1D: VegetationEquipment Surfaces and Interfaces Sample6, 2011 Lawrence Livermore

139

Lawrence R Walker | EMSL  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May JunDatastreamsmmcrcalgovInstrumentsruc DocumentationP-SeriesFlickrinformationPostdocs spaceLaser WakefieldEnergyNuclear

140

A new formulation of the spine approach to branching Robert Hardy and Simon C. Harris  

E-Print Network [OSTI]

deviations for a continuous­typed branching di#usion in Git, J.W.Harris and S.C.Harris [8] and HardyA new formulation of the spine approach to branching di#usions Robert Hardy and Simon C. Harris in branching di#usions: see, for example, the L p convergence of additive martingales in Hardy and Harris [12

Harris, Simon Colin

Note: This page contains sample records for the topic "walker branch throughfall" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


141

A new formulation of the spine approach to branching Robert Hardy and Simon C. Harris  

E-Print Network [OSTI]

deviations for a continuous-typed branching diffusion in Git, J.W.Harris and S.C.Harris [8] and HardyA new formulation of the spine approach to branching diffusions Robert Hardy and Simon C. Harris in branching diffusions: see, for example, the Lp convergence of additive martingales in Hardy and Harris [12

Harris, Simon Colin

142

A BreakEven Formulation for Evaluating Branch Predictor Energy Efficiency #  

E-Print Network [OSTI]

A Break­Even Formulation for Evaluating Branch Predictor Energy Efficiency # Michele Co, Dee A demonstrated that a better branch pre­ dictor can increase the energy­efficiency of the system, even if the new a simple, effective metric for eval­ uating the tradeoff between processor energy­efficiency and branch

Co, Michele

143

Low-mass evolution from HE ignition to beyond the horizontal branch  

SciTech Connect (OSTI)

The evolution of an 0.6 M/sub solar mass/ stellar model during core helium burning is presented. Following the off-center ignition of helium in the core flash, the star remains on the red giant branch for > 10/sup 6/ years, undergoing twelve additional flashes. After leaving the giant branch, the star evolves on the horizontal branch for 8.15 x 10/sup 7/ years before returning to the giant branch and undergoing strong helium-shell flashes. The implications for horizontal branch and RR Lyrae stars are discussed.

Despain, K.

1980-01-01T23:59:59.000Z

144

Measurement of the inclusive semielectronic D(0) branching fraction  

E-Print Network [OSTI]

Farlane, P. M. Patel, and B. Spaan McGill University and the Institute of Particle Physics, Montre´al, Que´bec H3A 2T8, Canada A. J. Sadoff Ithaca College, Ithaca, New York 14850 R. Ammar, P. Baringer, A. Bean, D. Besson, D. Coppage, N. Copty, R. Davis, N...PHYSICAL REVIEW D 1 SEPTEMBER 1996VOLUME 54, NUMBER 5ARTICLES Measurement of the inclusive semielectronic D0 branching fraction Y. Kubota, M. Lattery, J. K. Nelson, S. Patton, R. Poling, T. Riehle, V. Savinov, and R. Wang University of Minnesota...

Baringer, Philip S.

1996-09-01T23:59:59.000Z

145

North Branch Water & Light Comm | Open Energy Information  

Open Energy Info (EERE)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data CenterFranconia, Virginia: Energy ResourcesLoading map...(Utility Company) Jump to:City)Norristown,Braddock is a borough in AlleghenyBranch

146

Wells Branch, Texas: Energy Resources | Open Energy Information  

Open Energy Info (EERE)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data CenterFranconia, Virginia:FAQ < RAPID Jump to:Seadov PtyInformationSEDSWawarsing,Webb County,EnergyWellington,Branch, Texas: Energy

147

Farmers Branch, Texas: Energy Resources | Open Energy Information  

Open Energy Info (EERE)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home5b9fcbce19 NoPublic Utilities Address:011-DNA Jump37.California: Energy Resources Jump4748456°,FallonBranch, Texas: Energy

148

Hawaii Department of Health Clean Air Branch | Open Energy Information  

Open Energy Info (EERE)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home5b9fcbce19 No revision hasInformation Earth's Heat Jump to:Photon Place:Net JumpStrategyHarvestKwitherbee's pictureBranch

149

Vegetation survey of Pen Branch and Four Mile Creek wetlands  

SciTech Connect (OSTI)

One hundred-fifty plots were recently sampled (vegetational sampling study) at the Savannah River Site (SRS). An extensive characterization of the vascular flora, in four predetermined strata (overstory, Understory, shrub layer, and ground cover), was undertaken to determine dominance, co-dominance, and the importance value (I.V.) of each species. These results will be used by the Savannah River Laboratory (SRL) to evaluate the environmental status of Four Mile Creek, Pen Branch, and two upland pine stands. Objectives of this study were to: Describe in detail the plant communities previously mapped with reference to the topography and drainage, including species of plants present: Examine the successional trends within each sampling area and describe the extent to which current vegetation communities have resulted from specific earlier vegetation disturbances (e.g., logging and grazing); describe in detail the botanical field techniques used to sample the flora; describe the habitat and location of protected and/or rare species of plants; and collect and prepare plant species as herbarium quality specimens. Sampling was conducted at Four Mile Creek and Pen Branch, and in two upland pine plantations of different age growth.

Not Available

1992-10-01T23:59:59.000Z

150

Vegetation survey of Pen Branch and Four Mile Creek wetlands  

SciTech Connect (OSTI)

One hundred-fifty plots were recently sampled (vegetational sampling study) at the Savannah River Site (SRS). An extensive characterization of the vascular flora, in four predetermined strata (overstory, Understory, shrub layer, and ground cover), was undertaken to determine dominance, co-dominance, and the importance value (I.V.) of each species. These results will be used by the Savannah River Laboratory (SRL) to evaluate the environmental status of Four Mile Creek, Pen Branch, and two upland pine stands. Objectives of this study were to: Describe in detail the plant communities previously mapped with reference to the topography and drainage, including species of plants present: Examine the successional trends within each sampling area and describe the extent to which current vegetation communities have resulted from specific earlier vegetation disturbances (e.g., logging and grazing); describe in detail the botanical field techniques used to sample the flora; describe the habitat and location of protected and/or rare species of plants; and collect and prepare plant species as herbarium quality specimens. Sampling was conducted at Four Mile Creek and Pen Branch, and in two upland pine plantations of different age growth.

Not Available

1992-01-01T23:59:59.000Z

151

Arcing fault in sub-distribution branch circuits  

SciTech Connect (OSTI)

It's well known the importance of short-circuit current evaluation for the design of any power system. Every system is subject to faults, moreover short-circuits and ground faults can be expected in any point. Even if the maximum and minimum values are generally defined with reference at a bolted-fault, bolted short-circuits are rare and the fault usually involves arcing and burning; particularly the limit value of minimum short-circuit depends really on arcing-fault. In earlier experimental investigations into the functional simulation of insulation loss, in branch circuit conductors, the authors chose to normalize the arcing-fault simulation to be used in laboratory tests. This conventional simulation allows characterization of this intrinsically random phenomenon by means of a probabilistic approach, in order to define in statistical terms the expected short circuit value. The authors examine more closely the arcing-fault in the design of sub distribution branch-circuits as weak points of the installation. In fact, what they propose are straightforward criteria, whether in the structure of the system or in the coordination of protection, which afford a more rational control on arcing-fault.

Parise, G.; Grasseli, U.; Luozzo, V. Di (Univ. di Roma, Rome (Italy). Dept. di Ingegneria Elettrica)

1993-04-01T23:59:59.000Z

152

Q-branch Raman scattering and modern kinetic thoery  

SciTech Connect (OSTI)

The program is an extension of previous APL work whose general aim was to calculate line shapes of nearly resonant isolated line transitions with solutions of a popular quantum kinetic equation-the Waldmann-Snider equation-using well known advanced solution techniques developed for the classical Boltzmann equation. The advanced techniques explored have been a BGK type approximation, which is termed the Generalized Hess Method (GHM), and conversion of the collision operator to a block diagonal matrix of symmetric collision kernels which then can be approximated by discrete ordinate methods. The latter method, which is termed the Collision Kernel method (CC), is capable of the highest accuracy and has been used quite successfully for Q-branch Raman scattering. The GHM method, not quite as accurate, is applicable over a wider range of pressures and has proven quite useful.

Monchick, L. [The Johns Hopkins Univ., Laurel, MD (United States)

1993-12-01T23:59:59.000Z

153

Localization for Branching Random Walks in Random Environment  

E-Print Network [OSTI]

We consider branching random walks in $d$-dimensional integer lattice with time-space i.i.d. offspring distributions. This model is known to exhibit a phase transition: If $d \\ge 3$ and the environment is "not too random", then, the total population grows as fast as its expectation with strictly positive probability. If,on the other hand, $d \\le 2$, or the environment is ``random enough", then the total population grows strictly slower than its expectation almost surely. We show the equivalence between the slow population growth and a natural localization property in terms of "replica overlap". We also prove a certain stronger localization property, whenever the total population grows strictly slower than its expectation almost surely.

Yueyun Hu; Nobuo Yoshida

2007-12-05T23:59:59.000Z

154

Measurement of the K+ --> pi+ nu nu branching ratio  

SciTech Connect (OSTI)

Experiment E949 at Brookhaven National Laboratory studied the rare decay K{sup +}-->pi{sup +} nu{ovr {nu}} and other processes with an exposure of 1.77 x 10{sup 12} k{sup +}'s. The data were analyzed using a blind analysis technique yielding one candidate event with an estimated background of 0.30 {+-} 0.03 events. Combining this result with the observation of two candidate events by the predecessor experiment E787 gave the branching ratio B(K{sup +}-->pi{sup +} nu{ovr {nu}}) = (1.47{sub -0.89}{sup +1.30}) x 10{sup -10}, consistent with the standard model prediction of (0.74 {+-} 0.20) x 10{sup -10}. This is a more detailed report of results previously published [V.V. Anisimovsky et al., Phys. Rev. Lett. 93, 031801 (2004)].

Adler, S.; /Brookhaven; Anisimovsky, V.V.; /Moscow, INR; Aoki, M.; /TRIUMF; Ardebili, M.; /Princeton U.; Artamonov, A.V.; /Serpukhov, IHEP; Atiya, M.; /Brookhaven; Bassalleck, B.; /New Mexico U.; Bazarko, A.O.; /Princeton U.; Bhuyan, B.; /Brookhaven; Blackmore, E.W.; /TRIUMF; Bryman, D.A.; /British Columbia U. /Tsinghua U., Beijing /TRIUMF

2008-03-01T23:59:59.000Z

155

A Branch and Price Approach to the k-Clustering Minimum Biclique ...  

E-Print Network [OSTI]

work by developing a Branch and Price algorithm that embeds a new metaheuristic based on ... The metaheuristic is also adapted to solve efficiently the pricing.

2011-09-16T23:59:59.000Z

156

Using the primal-dual interior point algorithm within the branch-price ...  

E-Print Network [OSTI]

Nov 5, 2012 ... Abstract: Branch-price-and-cut has proven to be a powerful method for solving integer programming problems. It combines decomposition ...

Pedro Munari

2012-11-05T23:59:59.000Z

157

Optimization Online - A branch-cut-and-price algorithm for the ...  

E-Print Network [OSTI]

Aug 11, 2014 ... A branch-cut-and-price algorithm for the energy minimization vehicle routing problem. Ricardo Fukasawa (rfukasaw ***at*** math.uwaterloo.ca)

Ricardo Fukasawa

2014-08-11T23:59:59.000Z

158

Branch-and-Price Guided Search for Integer Programs with an ...  

E-Print Network [OSTI]

yields a small restricted integer program to be solved next. The extended formulation is solved with a branch-and-price algorithm, which, when run to completion, ...

2012-02-15T23:59:59.000Z

159

A branch-and-price algorithm for multi-mode resource leveling  

E-Print Network [OSTI]

Mar 1, 2010 ... We present a branch-and-price approach together with a new heuristic to solve the more general turnaround scheduling problem. Besides ...

Eamonn T. Coughlan

2010-03-01T23:59:59.000Z

160

E-Print Network 3.0 - aureobasidium-derived soluble branched...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

5 Simulation of the effects of chain architecture on the sorption of ethylene in polyethylene Summary: investigated the effect of polyethylene chain length and branching on...

Note: This page contains sample records for the topic "walker branch throughfall" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


161

Electrodeposition of InSb branched nanowires: Controlled growth with structurally tailored properties  

SciTech Connect (OSTI)

In this article, electrodeposition method is used to demonstrate growth of InSb nanowire (NW) arrays with hierarchical branched structures and complex morphology at room temperature using an all-solution, catalyst-free technique. A gold coated, porous anodic alumina membrane provided the template for the branched NWs. The NWs have a hierarchical branched structure, with three nominal regions: a “trunk” (average diameter of 150?nm), large branches (average diameter of 100?nm), and small branches (average diameter of sub-10?nm to sub-20?nm). The structural properties of the branched NWs were studied using scanning transmission electron microscopy, transmission electron microscopy, scanning electron microscopy, x-ray diffraction, energy dispersive x-ray spectroscopy, and Raman spectroscopy. In the as-grown state, the small branches of InSb NWs were crystalline, but the trunk regions were mostly nanocrystalline with an amorphous boundary. Post-annealing of NWs at 420?°C in argon produced single crystalline structures along ?311? directions for the branches and along ?111? for the trunks. Based on the high crystallinity and tailored structure in this branched NW array, the effective refractive index allows us to achieve excellent antireflection properties signifying its technological usefulness for photon management and energy harvesting.

Das, Suprem R.; Mohammad, Asaduzzaman; Janes, David B., E-mail: janes@ecn.purdue.edu [School of Electrical and Computer Engineering, Purdue University, West Lafayette, Indiana 47907 (United States); Birck Nanotechnology Center, Purdue University, West Lafayette, Indiana 47907 (United States); Akatay, Cem [School of Materials Engineering, Purdue University, West Lafayette, Indiana 47907 (United States); Birck Nanotechnology Center, Purdue University, West Lafayette, Indiana 47907 (United States); Khan, Mohammad Ryyan; Alam, Muhammad A. [School of Electrical and Computer Engineering, Purdue University, West Lafayette, Indiana 47907 (United States); Maeda, Kosuke [Department of Materials Science and Engineering, Tokyo Institute of Technology, 4259 Nagatsuta–cho, Midori-ku, Yokohama 226-8502 (Japan); Advanced Device Laboratory, RIKEN, 2-1 Hirosawa, Wako, Saitama 351-0198 (Japan); Deacon, Russell S.; Ishibashi, Koji [Advanced Device Laboratory, RIKEN, 2-1 Hirosawa, Wako, Saitama 351-0198 (Japan); RIKEN Center for Emergent Matter Science (CEMS), 2-1 Hirosawa, Wako, Saitama 351-0198 (Japan); Chen, Yong P. [School of Electrical and Computer Engineering, Purdue University, West Lafayette, Indiana 47907 (United States); Birck Nanotechnology Center, Purdue University, West Lafayette, Indiana 47907 (United States); Department of Physics and Astronomy, Purdue University, West Lafayette, Indiana 47907 (United States); Sands, Timothy D. [School of Electrical and Computer Engineering, Purdue University, West Lafayette, Indiana 47907 (United States); School of Materials Engineering, Purdue University, West Lafayette, Indiana 47907 (United States); Birck Nanotechnology Center, Purdue University, West Lafayette, Indiana 47907 (United States)

2014-08-28T23:59:59.000Z

162

E-Print Network 3.0 - avalanches branching ratios Sample Search...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

20 J.Stat.Mech.(2010)P02015 ournal of Statistical Mechanics Summary: ) and subcritical dynamics: individual avalanches are either subcritical (average branching ratio...

163

Pathogenicity of Cryphonectria eucalypti to Eucalyptus clones in South Africa  

E-Print Network [OSTI]

-back of coppice shoots, branches and stems (Old et al., 1986; Walker et al., 1985). In severe cases the pathogen

164

Div ision of T echnology, Industry & Economics Energy Branch Deploying renewable energy  

E-Print Network [OSTI]

Div ision of T echnology, Industry & Economics Energy Branch Deploying renewable energy, Industry & Economics Energy Branch 1. Policy landscape 2. Helping transition to Renewable Energy 3 governments are promoting renewable energy. Renewable energy ­ Policy Landscape #12;Div ision of T echnology

Canet, Léonie

165

Recovery of Free Energy Branches in Single Molecule Experiments Ivan Junier,1  

E-Print Network [OSTI]

Recovery of Free Energy Branches in Single Molecule Experiments Ivan Junier,1 Alessandro Mossa,2 19 February 2009) We present a method for determining the free energy of coexisting states from use optical tweezers to determine the free energy branches of the native and unfolded states of a two

Ritort, Felix

166

Predicting Extinction or Explosion in a Galton-Watson Branching Process  

E-Print Network [OSTI]

sizes of an endangered species whose survival is deemed essential. Case 2. Extinction is undesirablePredicting Extinction or Explosion in a Galton-Watson Branching Process Peter Guttorp and Michael D generations of a discrete- parameter Galton-Watson branching process, one wishes to predict whether extinction

Washington at Seattle, University of

167

Applying Decay Strategies to Branch Predictors for Leakage Energy Savings Zhigang Hu  

E-Print Network [OSTI]

Applying Decay Strategies to Branch Predictors for Leakage Energy Savings Zhigang HuÝ Philo Juang@cs.virginia.edu doug@cs.princeton.edu Abstract With technology advancing toward deep submicron, leak- age energy--already shown to reduce leakage energy for caches--to branch-prediction structures. Due to the structural

Martonosi, Margaret

168

M. Shepherd et al.Branch architecture QTL for pine hybrids Original article  

E-Print Network [OSTI]

M. Shepherd et al.Branch architecture QTL for pine hybrids Original article Branch architecture QTL Crossa , Mark J. Dietersb and Robert Henrya a Cooperative Research Centre for Sustainable Production, Australia b Cooperative Research Centre for Sustainable Production Forestry, Queensland Forestry Research

Paris-Sud XI, Université de

169

Process Switches and Branch Prediction Accuracy David Chen, Bennett Lau, Jeffrey Shafer  

E-Print Network [OSTI]

Department of Electrical and Computer Engineering Rice University Abstract There were several hypotheses to "repair" the destructive aliasing in the branch history table after a process switch, both combine by [9], is central to this research project. Analogous to memory caches, aliasing in branch prediction

Rixner, Scott

170

A Logistic Branching Process Alternative to the Wright-Fisher Model R. B. Campbell  

E-Print Network [OSTI]

A Logistic Branching Process Alternative to the Wright-Fisher Model R. B. Campbell Department, Population Regulation Introduction Most of the theoretical work in population genetics is based on the Wright approximation to the Wright-Fisher model. A logistic branching process is introduced in order to limit

Campbell, Russell Bruce

171

Branch structures at the steps of the devil's staircase of the sine circle map  

SciTech Connect (OSTI)

We have discovered substructures consisting of branches at each step of the devil's staircase of the sine circle map. These substructures are found to follow the hierarchy of the Farey tree. We develop a formalism to relate the rational winding number {ital W}={ital p}/{ital q} to the number of branches in these substructures.

Wen, H.C. (Department of Physics, Stanford University, Stanford, California 94305 (United States)); Duong-van, M. (Physics Department, Lawrence Livermore National Laboratory, University of California, Livermore, California 94550 (United States))

1992-09-15T23:59:59.000Z

172

A Branch and Bound Algorithm for the Protein Folding Problem in the HP Lattice Model  

E-Print Network [OSTI]

Article A Branch and Bound Algorithm for the Protein Folding Problem in the HP Lattice Model Mao tool for the protein folding problem. Key words: protein folding, HP model, branch and bound, lattice Introduction The protein folding problem, or the protein struc- ture prediction problem, is one of the most

Istrail, Sorin

173

Numerical simulations of depressurization-induced gas production from gas hydrate reservoirs at the Walker Ridge 312 site, northern Gulf of Mexico  

SciTech Connect (OSTI)

In 2009, the Gulf of Mexico (GOM) Gas Hydrates Joint-Industry-Project (JIP) Leg II drilling program confirmed that gas hydrate occurs at high saturations within reservoir-quality sands in the GOM. A comprehensive logging-while-drilling dataset was collected from seven wells at three sites, including two wells at the Walker Ridge 313 site. By constraining the saturations and thicknesses of hydrate-bearing sands using logging-while-drilling data, two-dimensional (2D), cylindrical, r-z and three-dimensional (3D) reservoir models were simulated. The gas hydrate occurrences inferred from seismic analysis are used to delineate the areal extent of the 3D reservoir models. Numerical simulations of gas production from the Walker Ridge reservoirs were conducted using the depressurization method at a constant bottomhole pressure. Results of these simulations indicate that these hydrate deposits are readily produced, owing to high intrinsic reservoir-quality and their proximity to the base of hydrate stability. The elevated in situ reservoir temperatures contribute to high (5–40 MMscf/day) predicted production rates. The production rates obtained from the 2D and 3D models are in close agreement. To evaluate the effect of spatial dimensions, the 2D reservoir domains were simulated at two outer radii. The results showed increased potential for formation of secondary hydrate and appearance of lag time for production rates as reservoir size increases. Similar phenomena were observed in the 3D reservoir models. The results also suggest that interbedded gas hydrate accumulations might be preferable targets for gas production in comparison with massive deposits. Hydrate in such accumulations can be readily dissociated due to heat supply from surrounding hydrate-free zones. Special cases were considered to evaluate the effect of overburden and underburden permeability on production. The obtained data show that production can be significantly degraded in comparison with a case using impermeable boundaries. The main reason for the reduced productivity is water influx from the surrounding strata; a secondary cause is gas escape into the overburden. The results dictate that in order to reliably estimate production potential, permeability of the surroundings has to be included in a model.

Myshakin, Evgeniy M.; Gaddipati, Manohar; Rose, Kelly; Anderson, Brian J.

2012-06-01T23:59:59.000Z

174

Defining the Termination of the Asymptotic Giant Branch  

E-Print Network [OSTI]

I suggest a theoretical quantitative definition for the termination of the asymptotic giant branch (AGB) phase and the beginning of the post-AGB phase. I suggest that the transition will be taken to occur when the ratio of the dynamical time scale to the the envelope thermal time scale, Q, reaches its maximum value. Time average values are used for the different quantities, as the criterion does not refer to the short time-scale variations occurring on the AGB and post-AGB, e.g., thermal pulses (helium shell flashes) and magnetic activity. Along the entire AGB the value of Q increases, even when the star starts to contract. Only when a rapid contraction starts does the value of Q start to decrease. This criterion captures the essence of the transition from the AGB to the post AGB phase, because Q is connected to the stellar effective temperature, reaching its maximum value at T~4000-6000 K, it is related to the mass loss properties, and it reaches its maximum value when rapid contraction starts and envelope mass is very low.

Noam Soker

2007-12-22T23:59:59.000Z

175

Distribution and origin of ethyl-branched alkanes in a Cenomanian transgressive shale of the Western Interior  

E-Print Network [OSTI]

Note Distribution and origin of ethyl-branched alkanes in a Cenomanian transgressive shale hydrocarbon fraction of the basal Graneros Shale (Cenomanian, Western Interior Seaway, USA). On the basis rights reserved. Keywords: Monoethylalkanes; Branched alkanes; Black shales; Cenomanian; Graneros Shale

Kenig, Fabien

176

Ecological effects of contaminants in McCoy Branch, 1991--1993  

SciTech Connect (OSTI)

The 1984 Hazardous and Solid Waste Amendments to the Resource Conservation and Recovery Act (RCRA) required assessment of all current and former solid waste management units. Following guidelines under RCRA and the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA), a remedial investigation (RI) was required of the Y-12 Plant for their filled coal ash pond (FCAP) and associated areas on McCoy Branch. The RI process was initiated and assessments were presented. Because the disposal of coal ash in the ash pond, McCoy Branch, and Rogers Quarry was not consistent with the Tennessee Water Quality Act, several remediation steps were implemented between 1986 and 1994 for McCoy Branch to address disposal problems. The required ecological risk assessments of McCoy Branch watershed included provisions for biological monitoring of the watershed. The objectives of the biological monitoring were to (1) document changes in biological quality of McCoy Branch after completion of a pipeline bypassing upper McCoy Branch and further, after termination of all discharges to Rogers Quarry, (2) provide guidance on the need for additional remediation, and (3) evaluate the effectiveness of implemented remedial actions. The data from the biological monitoring program may also determine whether the goals of protection of human health and the environment of McCoy Branch are being accomplished.

Ryon, M.G. [ed.] [ed.

1996-09-01T23:59:59.000Z

177

Ecological effects of contaminants in McCoy Branch, 1989-1990  

SciTech Connect (OSTI)

The 1984 Hazardous and Solid Waste Amendments to the Resource Conservation and Recovery Act (RCRA) required assessment of all current and former solid waste management units. Such a RCRA Facility Investigation (RFI) was required of the Y-12 Plant for their Filled Coal Ash Pond on McCoy Branch. Because the disposal of coal ash in the ash pond, McCoy Branch, and Rogers Quarry was not consistent with the Tennessee Water Quality Act, several remediation steps were implemented or planned for McCoy Branch to address disposal problems. The McCoy Branch RFI plan included provisions for biological monitoring of the McCoy Branch watershed. The objectives of the biological monitoring were to: (1) document changes in biological quality of McCoy Branch after completion of a pipeline and after termination of all discharges to Rogers Quarry, (2) provide guidance on the need for additional remediation, and (3) evaluate the effectiveness of implemented remedial actions. The data from the biological monitoring program will also determine if the classified uses, as identified by the State of Tennessee, of McCoy Branch are being protected and maintained. This report discusses results from toxicity monitoring of snails fish community assessment, and a Benthic macroinvertebrate community assessment.

Ryon, M.G. [ed.

1992-01-01T23:59:59.000Z

178

Molecular Design of Branched and Binary Molecules at Ordered Interfaces  

SciTech Connect (OSTI)

This study examined five different branched molecular architectures to discern the effect of design on the ability of molecules to form ordered structures at interfaces. Photochromic monodendrons formed kinked packing structures at the air-water interface due to the cross-sectional area mismatch created by varying number of alkyl tails and the hydrophilic polar head group. The lower generations formed orthorhombic unit cell with long range ordering despite the alkyl tails tilted to a large degree. Favorable interactions between liquid crystalline terminal groups and the underlying substrate were observed to compel a flexible carbosilane dendrimer core to form a compressed elliptical conformation which packed stagger within lamellae domains with limited short range ordering. A twelve arm binary star polymer was observed to form two dimensional micelles at the air-water interface attributed to the higher polystyrene block composition. Linear rod-coil molecules formed a multitude of packing structures at the air-water interface due to the varying composition. Tree-like rod-coil molecules demonstrated the ability to form one-dimensional structures at the air-water interface and at the air-solvent interface caused by the preferential ordering of the rigid rod cores. The role of molecular architecture and composition was examined and the influence chemically competing fragments was shown to exert on the packing structure. The amphiphilic balance of the different molecular series exhibited control on the ordering behavior at the air-water interface and within bulk structures. The shell nature and tail type was determined to dictate the preferential ordering structure and molecular reorganization at interfaces with the core nature effect secondary.

Kirsten Larson Genson

2005-12-27T23:59:59.000Z

179

Chemoembolization Via Branches from the Splenic Artery in Patients with Hepatocellular Carcinoma  

SciTech Connect (OSTI)

Purpose: This study was designed to evaluate the radiologic findings and imaging response of chemoembolization via branches of the splenic artery in patients with hepatocellular carcinoma (HCC). Methods: From January 2001 to July 2010, we observed tumor staining supplied by branches of the splenic artery in 34 (0.6%) of 5,413 patients with HCC. Computed tomography (CT) scans and digital subtraction angiograms of these patients were retrospectively reviewed in consensus by two investigators. Results: A total of 39 tumor feeding-vessels in 34 patients were identified: omental branches from the left gastroepiploic artery (n = 5), branches from the short gastric artery (n = 9), and omental branches directly from the splenic artery (n = 25). Branches of the splenic artery that supplied tumors were revealed on the celiac angiogram in 29 (85%) of 34 patients and were detected on pre-procedure CT images in 27 (79%) of 34 patients. Selective chemoembolization was achieved in 38 of 39 tumor-feeding vessels. Complete or partial response of the tumor fed by branches of the splenic artery, as depicted on follow-up CT scans, was achieved in 21 (62%) patients. No patient developed severe complications directly related to chemoembolization via branches of the splenic artery. Conclusions: Omental branches directly from the splenic artery are common tumor-feeding vessels of the splenic artery in cases of advanced HCC with multiple previous chemoembolizations. Tumor-feeding vessels of the splenic artery are usually visualized on the celiac angiogram or CT scan, and chemoembolization through them can be safely performed in most patients.

Choi, Jin Woo; Kim, Hyo-Cheol, E-mail: angiointervention@gmail.com; Chung, Jin Wook; Kim, Ji Dae; Kim, Gyoung Min; Lee, In Joon; Jae, Hwan Jun; Park, Jae Hyung [Seoul National University College of Medicine, Department of Radiology (Korea, Republic of)

2012-02-15T23:59:59.000Z

180

Regulation of branching by phytochrome B and PPFD in Arabidopsis thaliana  

E-Print Network [OSTI]

…………………...................…….............................. 10 Interval between anthesis and the onset of elongation of the topmost three rosette buds of WT, phyA, phyB, and phyAphyB under low light……........ 11 The lengths of the main inflorescence (M), the topmost rosette branch R(n), the next topmost... rosette branch R(n-1), and the third topmost rosette branch R(n-2) of WT, phyA, phyB, and phyAphyB from the day of the onset of elongation of bud R(n) to the 10 th day after anthesis under low light..….......... 33 35 36 36 38 39 40 41 44 45 46...

Chou, Nan-yen

2008-10-10T23:59:59.000Z

Note: This page contains sample records for the topic "walker branch throughfall" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


181

A Break-Even Formulation for Evaluating Branch Predictor Energy Michele Co, Dee A.B. Weikle, and Kevin Skadron  

E-Print Network [OSTI]

demonstrated that a better branch pre- dictor can increase the energy-efficiency of the system, even if the new a simple, effective metric for eval- uating the tradeoff between processor energy-efficiency and branch and an energy-efficiency target, we are able to evaluate the energy-efficiency of several existing branch

Co, Michele

182

Production cross section and topological decay branching fractions of the ? lepton  

E-Print Network [OSTI]

We report new measurements of the production cross section for the reaction e(+)e(?)??(+)?(?) at s?=29 GeV, as well as the topological decay branching fractions of the ? lepton. The data were taken with the High Resolution ...

Baringer, Philip S.

1989-08-01T23:59:59.000Z

183

Branching fractions and charge asymmetries in charmless hadronic decays at BABAR  

SciTech Connect (OSTI)

We present measurements of branching fraction, polarization and charge asymmetry in charmless hadronic B decays with {eta}, {eta}{prime}, {omega}, and b{sub 1} in the final state. All the results use the final BABAR dataset.

Biassoni, Pietro; /Milan U. /INFN, Milan

2009-10-30T23:59:59.000Z

184

Branched peptide amphiphiles, related epitope compounds and self assembled structures thereof  

DOE Patents [OSTI]

Branched peptide amphiphilic compounds incorporating one or residues providing a pendant amino group for coupling one or more epitope sequences thereto, such compounds and related compositions for enhanced epitope presentation.

Stupp, Samuel I. (Chicago, IL); Guler, Mustafa O. (Evanston, IL)

2008-11-18T23:59:59.000Z

185

Analysis of the HVAC System at the Willow Branch Intermediate School  

E-Print Network [OSTI]

This report presents an analysis of the HVAC system at the Willow Branch Intermediate School for the MEEN 685 class project. The school is located at College Station, Texas. A portion of the school belonged to Oakwood Intermediate School which...

Wei, G.

1997-01-01T23:59:59.000Z

186

Determination of the deuterium-tritium branching ratio based on inertial confinement fusion implosions  

E-Print Network [OSTI]

The deuterium-tritium (D-T) ?-to-neutron branching ratio [[superscript 3]H(d,?)[superscript 5]He/[superscript 3]H(d,n)[superscript 4]He] was determined under inertial confinement fusion (ICF) conditions, where the ...

Rosenberg, Michael Jonathan

187

Blood Flow At Arterial Branches: Complexities To Resolve For The Angioplasty Suite  

E-Print Network [OSTI]

in the 1970s [1, 2] led to a large increase of interest in the possible role of fluid dynamics Tubes Branched tubes were fabricated by machining - drilling, reaming, and chloroform- polishing - of 3

Laidlaw, David

188

Glucagon-Induced Vasospasm of Hepatic Artery Branches During Visceral Angiography  

SciTech Connect (OSTI)

Glucagon is often used in radiology to decrease bowel motility for enhanced imaging, including visceral digital subtraction angiography. We present a case in which branch hepatic artery vasospasm followed the intravenous administration of glucagon during visceral angiography.

Dziedzic, T. Scott; Smith, Tony P., E-mail: smith146@mc.duke.ed [Duke University Medical Center, Department of Radiology (United States)

2008-07-15T23:59:59.000Z

189

Spring Break Course in Florida! Forensic entomology is a branch of forensic sci-  

E-Print Network [OSTI]

Spring Break Course in Florida! Forensic entomology is a branch of forensic sci- ence utilizing the science of forensic en- tomology through daily laboratory and field ac- tivities. We also interact

190

A branch-and-bound project assignment methodology with generalized network strategies for updating bounds  

E-Print Network [OSTI]

-Diaz, Sastri, and Paz 1995). Additionally, an efficient branch-and- bound procedure is highly desirable to solve integer programming models, such as the one being considered in this thesis. In summary the following are the significant contributions... heuristically to obtain near-optimal solutions. Gavish and Pirkul (1991) employed heuristic procedures and a branch-and-bound procedure to develop algorithms for solving the multi-resource generalized assignment problem. Garcia- Diaz, Sastri and Paz (1995...

Jittamai, Phongchai

2012-06-07T23:59:59.000Z

191

J. Am. Chem. Soc. Supporting Information page S1 Deoxyribozymes that Synthesize Branched and Lariat RNA  

E-Print Network [OSTI]

a branch at the boldface A, while 9F13 and 9F18 create a branch at the boldface U. This L substrate has a 5 nucleotides, which are found in 9F7, 9F13, and 9F18 but not 9F21. Note that the 9F13 enzyme region is only 38'-CCGTCGCCATCTCAGGATGTGGGGTTTTGCCCGAGGGTATGGCAGT--GGGGAGaGAGTCGTATTATCC-3' 9F18: 5'-CCGTCGCCATCTCGGGATGTGGGGCGCCACCAAGTTAATGTTTGGTTTGGGGAGa

Silverman, Scott K.

192

Modeling branching effects on source-sink relationships of the cotton plant  

E-Print Network [OSTI]

Compared with classical process-based models, the functional-structural plant models provide more efficient tools to explore the impact of changes in plant structures on plant functioning. In this paper we investigated the effects of branches on the sourcesink interaction for the cotton plant (Gossypium hirsutum L.) based on a two-treatment experiment conducted on cotton grown in the field: the singlestem plants and the plants with only two vegetative branches. It was observed that the branched cotton had more organs for the whole plant but the organs on the trunk were smaller than those on the single-stem cotton. The phytomer production of the branches was four or five growth cycles delayed compared with the main stem. The organs on the trunk had similar dynamics of expansion for both treatments. Effects of branches were evaluated by using the functionalstructural model GREENLAB. It allowed estimating the coefficients of sink strength to differentiate the biomass acquisition abilities of organs between diffe...

Li, Dong; Guo, Yan; De Reffye, P; Zhan, Zhigang

2010-01-01T23:59:59.000Z

193

October 6, 2006 Mark Walker  

E-Print Network [OSTI]

of the White Salmon River, information is lacking on existing salmonid stock composition in the rest before re-introduction takes place. #12;We ask that the Council reconsider funding this project

194

November 19, 2004 Mark Walker  

E-Print Network [OSTI]

Plan effectively removes residential and low income conservation from SUB's conservation program. Heat pumps, windows, manufactured home weatherization and other proven programs are now at risk. SUB has been

195

October 6, 2006 Mark Walker  

E-Print Network [OSTI]

the Northwest Power & Conservation Council to reconsider funding the Juvenile Fish Screen Evaluation in Columbia Plateau project 198506200. The Washington Department of Fish and Wildlife (WDFW) has been actively involved in fish protection throughout the Yakima Basin portion of the Columbia Plateau Province

196

November 19, 2004 Mark Walker  

E-Print Network [OSTI]

, small-scale distributed generators to the grid. We applaud the Council's comprehensive analysis for upgrades that will prove more costly over the long-term. A smart, efficient grid also opens the door

197

Writer Joe Walker EM Update  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

was my first visit to the plant, but it was exactly like I pictured-big buildings and piping," said Andrew Evitts, who attends West Kentucky Community & Technical College in...

198

October 19, 2007 Mark Walker  

E-Print Network [OSTI]

emissions reductions that scientists believe are needed to avoid catastrophic global warming impacts. We-makers in the region. The paper clearly shows that the challenge of avoiding serious global warming impacts is great levels, the bottom line should be emphasized even more: The effects of these scenarios, positive

199

November 18, 2004 Mark Walker  

E-Print Network [OSTI]

to provide a more objective view of the benefits of additional coal-fired generation to Pacific Northwest energy consumers. Coal-Fired Generation GNPD supports the emphasis in the Draft Plan on seeking a "least). (See following chart.) #12;New Coal-Fired Generation 0 500 1000 1500 2000 2500 2010 2012 2014 2016 2018

200

October 18, 2007 Mark Walker  

E-Print Network [OSTI]

retirement of older coal-fired plants. Because the analysis of gas-fired replacement of generation by Snake the difficulty of maintaining or reducing the CO2 footprint of electric generation in the region. While three this draft two of three scenarios that centered on replacing lost generation by the hypothetical removal

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We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


201

Harris Walker | Department of Energy  

Broader source: Energy.gov (indexed) [DOE]

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "ofEarly Career Scientists'Montana.ProgramJulietip sheetK-4In 2013 many autoThis roadFourEnergy NiketaHarris

202

November 23, 2004 Mark Walker  

E-Print Network [OSTI]

and existing commercial buildings. Several months ago Charlie Grist provided me with preliminary savings estimates for various high performance glazing options in both new and existing commercial buildings performance windows/glazing systems in commercial buildings. Sincerely, Gary Curtis The West Wall Group #12;

203

Wind Walkers | Open Energy Information  

Open Energy Info (EERE)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home5b9fcbce19 NoPublic Utilities Address: 160 East 300 South Place:ReferenceEdit JumpWill County, Illinois:4 Sector

204

Search for the decay Bs0 ? ?? and a measurement of the branching fraction for Bs0 ? ??  

SciTech Connect (OSTI)

We search for the decay B0s??? and measure the branching fraction for B0s??? using 121.4~fb-1 of data collected at the ?(5S) resonance with the Belle detector at the KEKB asymmetric-energy e+e- collider. The B0s??? branching fraction is measured to be (3.6±0.5(stat.)±0.3(syst.)±0.6(fs))×10-5, where fs is the fraction of Bs(*)B¯s(*) in bb¯ events. Our result is in good agreement with the theoretical predictions as well as with a recent measurement from LHCb. We observe no statistically significant signal for the decay B0s??? and set a 90% confidence-level upper limit on its branching fraction at 3.1×10-6. This constitutes a significant improvement over the previous result.

Dutta, Deepanwita; Bhuyan, Bipul; Abdesselam, A.; Adachi, I.; Aihara, H.; Al Said, S.; Arinstein, K.; Asner, David M.; Aulchenko, V.; Aushev, T.; Ayad, R.; Aziz, T.; Bahinipati, S.; Bakich, A. M.; Bansal, Vikas; Bhardwaj, V.; Bobrov, A.; Bonvicini, Giovanni; Bracko, Marko; Browder, Thomas E.; Cervenkov, D.; Chen, A.; Cheon, B. G.; Chilikin, K.; Chistov, R.; Cho, K.; Chobanova, V.; Choi, Y.; Cinabro, David A.; Dalseno, J.; Dolezal, Z.; Drasal, Z.; Drutskoy, A.; Dutta, K.; Eidelman, S.; Farhat, H.; Fast, James E.; Frost, O.; Gaur, Vipin; Ganguly, Sudeshna; Garmash, Alexey; Getzkow, D.; Goh, Y. M.; Golob, B.; Hayashii, H.; He, X. H.; Hou, W. S.; Iijima, T.; Ishikawa, A.; Iwasaki, Y.; Jaegle, Igal; Joffe, D.; Kang, K. H.; Kato, E.; Kiesling, C.; Kim, D. Y.; Kim, J. B.; Kim, J. H.; Kim, K. T.; Kim, M. J.; Kim, S. H.; Kim, Y. J.; Kinoshita, Kay; Ko, Byeong Rok; Kodys, P.; Korpar, S.; Krizan, P.; Krokovny, Pavel; Kuhr, Thomas; Kuzmin, A.; Kwon, Y. J.; Lange, J. S.; Lee, I. S.; Lewis, P.; Li, Y.; Li Gioi, L.; Libby, J.; Liventsev, Dmitri; Matvienko, D.; Miyata, H.; Mizuk, R.; Mohanty, G. B.; Moll, A.; Mori, T.; Mussa, R.; Nakano, E.; Nakao, M.; Nanut, T.; Nayak, Minakshi; Nisar, N. K.; Nishida, S.; Ogawa, S.; Okuno, S.; Pakhlov, P.; Pakhlova, Galina; Pedlar, Todd K.; Pestotnik, Rok; Petric, Marko; Piilonen, Leo E.; Ribezl, Eva; Ritter, M.; Rostomyan, A.; Sakai, Y.; Sandilya, Saurabh; Santelj, Luka; Sanuki, T.; Sato, Y.; Savinov, Vladimir; Schneider, O.; Schnell, G.; Schwanda, C.; Schwartz, A. J.; Semmler, D.; Shebalin, V.; Shibata, T. A.; Shiu, Jing-Ge; Shwartz, B.; Sibidanov, A.; Simon, F.; Sohn, Y. S.; Sokolov, A.; Solovieva, E.; Staric, M.; Sumihama, M.; Sumiyoshi, T.; Teramoto, Y.; Trabelsi, K.; Uchida, M.; Unno, Yuji; Uno, S.; Usov, Y.; Van Hulse, C.; Vanhoefer, P.; Varner, G.; Vinokurova, A.; Vossen, Anslem G.; Wagner, M. N.; Wang, C. H.; Wang, P.; Watanabe, Y.; Wehle, S.; Williams, K. M.; Won, E.; Yamamoto, H.; Yamaoka, J.; Yashchenko, S.; Yusa, Y.; Zhang, Z. P.; Zhilich, V.; Zupanc, A.

2015-01-01T23:59:59.000Z

205

Effect of magnetic field on quasiparticle branches of intrinsic Josephson junctions with ferromagnetic layer.  

SciTech Connect (OSTI)

The interlayer tunneling spectroscopy has been performed on micron-sized mesa arrays of HgBr{sub 2} intercalated superconducting Bi2212 single crystals. A ferromagnetic multilayer (Au/Co/Au) is deposited on top of the mesas. The spin-polarized current is driven along the c-axis of the mesas through a ferromagnetic Co layer and the hysteretic quasiparticle branches are observed at 4.2 K. Magnetic field evolution of hysteretic quasiparticle branches is obtained to examine the effect of injected spin-polarized current on intrinsic Josephson junction characteristics. It is observed that there is a gradual distribution in quasiparticle branches with the application of magnetic field and increasing field reduces the switching current progressively.

Ozyuzer, L.; Ozdemir, M.; Kurter, C.; Hinks, D. G.; Gray, K. E. (Materials Science Division); (Izmir Inst. of Tech.)

2007-01-01T23:59:59.000Z

206

A Measurement of the Semileptonic Branching Fraction of the B_s Meson  

SciTech Connect (OSTI)

We report a measurement of the inclusive semileptonic branching fraction of the B{sub s} meson using data collected with the BABAR detector in the center-of-mass energy region above the {gamma}(4S) resonance. We use the inclusive yield of {phi} mesons and the {phi} yield in association with a high-momentum lepton to perform a simultaneous measurement of the semileptonic branching fraction and the production rate of B{sub s} mesons relative to all B mesons as a function of center-of-mass energy. The inclusive semileptonic branching fraction of the B{sub s} meson is determined to be {Beta}(B{sub s} {yields} {ell}{nu}X) = 9.5{sub -2.0}{sup +2.5}(stat){sub -1.9}{sup +1.1}(syst)%, where {ell} indicates the average of e and {mu}.

Lees, J.P.; Poireau, V.; Tisserand, V.; Garra Tico, J.; Grauges, E.; Martinelli, M.; Milanes, D.A.; Palano, A.; Pappagallo, M.; Eigen, G.; Stugu, B.; Brown, D.N.; Kerth, L.T.; Kolomensky, Yu.G.; Lynch, G.; Koch, H.; Schroeder, T.; Asgeirsson, D.J.; Hearty, C.; Mattison, T.S.; McKenna, J.A.; /Imperial Coll., London /Annecy, LAPP /Barcelona U., ECM /INFN, Bari /Bari U. /INFN, Bari /INFN, Bari /Bari U. /Bergen U. /UC, Berkeley /Ruhr U., Bochum /British Columbia U. /Brunel U. /Novosibirsk, IYF /UC, Irvine /UC, Riverside /UC, Santa Barbara /UC, Santa Cruz /Caltech /Cincinnati U. /Colorado U. /Colorado State U. /Dortmund U. /Dresden, Tech. U. /Ecole Polytechnique /Edinburgh U. /INFN, Ferrara /INFN, Ferrara /Ferrara U. /INFN, Ferrara /INFN, Ferrara /Ferrara U. /Frascati /INFN, Genoa /Genoa U. /INFN, Genoa /INFN, Genoa /Genoa U. /INFN, Genoa /Indian Inst. Tech., Guwahati /Harvard U. /Harvey Mudd Coll. /Heidelberg U. /Humboldt U., Berlin /Imperial Coll., London /Iowa State U. /Iowa State U. /Johns Hopkins U. /Paris U., VI-VII /LLNL, Livermore /Liverpool U. /Queen Mary, U. of London /Royal Holloway, U. of London /Royal Holloway, U. of London /Louisville U. /Mainz U., Inst. Kernphys. /Manchester U. /Maryland U.; /more authors..

2012-06-12T23:59:59.000Z

207

Data acquisition with a VAX 11/780 and MBD branch driver  

SciTech Connect (OSTI)

We have designed and implemented a general purpose data acquisition system, XSYS, for the Triangle Universities Nuclear Laboratory VAX-11/780. The interface is a CAMAC Branch Highway connected to a Microprogrammed Branch Driver (MBD-11). A single general reentrant MBD program handles CAMAC operations and data transfers to and from the VAX using a DMA transfer. Each of the eight MBD channels is controlled by an independent subprocess in the VAX which communicates with the MBD via the UNIBUS. Data are double buffered and are sorted by VAX user written EVAL codes after the MBD wakes a hibernating subprocess image. Scalar operations and control of external devices are also supported.

King, S.E. (Duke Univ., Durham, NC); Lau, Y.C.; Gould, C.R.

1981-10-01T23:59:59.000Z

208

Delayed-neutron branching ratios of precursors in the fission product region  

SciTech Connect (OSTI)

Delayed-neutron branching ratios in the fission product region have been tabulated, and average values have been determined. In order to provide data complementary to published values an experiment covering the mass range 79-150 has been carried out at the OSIRIS isotope-separator on-line facility at Studsvik. This experiment has resulted in branching ratios for some precursors ([sup 84]Ge, [sup 133]Sn, and [sup 150]La) for which such data have not been reported before. In several other cases the new results are accurate than older determinations. 19 refs., 2 figs., 1 tab.

Rudstam, G.; Aleklett, K.; Sihver, L. (Studsvik Neutron Research Lab., Nykoeping (Sweden))

1993-01-01T23:59:59.000Z

209

Dynamic rupture through a branched fault2 configuration at Yucca Mountain and resulting3  

E-Print Network [OSTI]

Dynamic rupture through a branched fault2 configuration at Yucca Mountain and resulting3 ground analyses. This is motivated by the normal faults in the vicinity10 of Yucca Mountain, NV, a potential site fault12 located approximately 1 km west of the crest of Yucca Mountain, is the13 most active

Dmowska, Renata

210

Dynamic Rupture through a Branched Fault Configuration at Yucca Mountain, and Resulting Ground Motions  

E-Print Network [OSTI]

Dynamic Rupture through a Branched Fault Configuration at Yucca Mountain, and Resulting Ground of Yucca Mountain, Nevada, a potential site for a high-level radioactive waste repository. The Solitario km away from the SCF beneath the crest of Yucca Mountain, causing the repository site to experience

211

Branching Random Walk in inhomogeneous breeding Sergey Bocharov, Simon C. Harris  

E-Print Network [OSTI]

Branching Random Walk in inhomogeneous breeding potential Sergey Bocharov, Simon C. Harris) If p > 2 then Texplo Harris and S. Harris [7]. Theorem 1.4 (J. Harris and S. Harris). Consider a BBM model. a) If p [0, 2) then lim t Rt t

Harris, Simon Colin

212

Side branch absorber for exhaust manifold of two-stroke internal combustion engine  

DOE Patents [OSTI]

A method of improving scavenging operation of a two-stroke internal combustion engine. The exhaust pressure of the engine is analyzed to determine if there is a pulsation frequency. Acoustic modeling is used to design an absorber. An appropriately designed side branch absorber may be attached to the exhaust manifold.

Harris, Ralph E. (San Antonio, TX); Broerman, III, Eugene L. (San Antonio, TX); Bourn, Gary D. (Laramie, WY)

2011-01-11T23:59:59.000Z

213

Some path large deviation results for a branching diffusion Robert Hardy and Simon C. Harris  

E-Print Network [OSTI]

in Git, J.Harris and S.C.Harris [4]. Our approach involves an application of a change of measureSome path large deviation results for a branching diffusion Robert Hardy and Simon C. Harris of Hardy and Harris [5, 7, 6]. Our proof combines simple martingale ideas with applications of Varadhan

Harris, Simon Colin

214

Large deviations and martingales for a typed branching diffusion, 1 Simon C Harris and David Williams  

E-Print Network [OSTI]

Large deviations and martingales for a typed branching diffusion, 1 by Simon C Harris and David are rather complicated; and these are only sketched here ­ see Harris (1995) and Harris and Williams (1995 for a simpler problem in Champneys, Harris, Toland, Warren and Williams (1995); in the present context

Harris, Simon Colin

215

New analysis of O-14 beta decay: Branching ratios and conserved vector current consistency  

E-Print Network [OSTI]

The ground-state Gamow-Teller transition in the decay of O-14 is strongly hindered and the electron spectrum shape deviates markedly from the allowed shape. A reanalysis of the only available data on this spectrum changes the branching ratio...

Towner, IS; Hardy, John C.

2005-01-01T23:59:59.000Z

216

High-Energy Phonon Branches of an Individual Metallic Carbon Nanotube J. Maultzsch,1  

E-Print Network [OSTI]

High-Energy Phonon Branches of an Individual Metallic Carbon Nanotube J. Maultzsch,1 S. Reich,1 U, 70569 Stuttgart, Germany (Received 13 December 2002; published 19 August 2003) We present excitation-energy dependent Raman measurements between 2.05 and 2.41 eVon the same individual carbon nanotube. We find

Nabben, Reinhard

217

Harbor Branch researcher on top of bottom life ahead of oil spill  

E-Print Network [OSTI]

Harbor Branch researcher on top of bottom life ahead of oil spill By Ed Killer Saturday, June 12 like if touched by an underwater plume of oil. No doubt, much of it would be gone forever. Reed inhabiting the reefs, Reed hoped the oil would not be swept around the tip of Florida and onto the fragile

Belogay, Eugene A.

218

Impact of Branching on the UV Degradation of metallocene LLDPE Ibnelwaleed A. Hussein1  

E-Print Network [OSTI]

Impact of Branching on the UV Degradation of metallocene LLDPE Ibnelwaleed A. Hussein1 *, Ayuba A & Petrochemicals, KFUPM, Dhahran, Saudi Arabia Abstract The effect of UV degradation on metallocene linear low by Mechanical, FTIR and GPC testings. This paper addresses the structural modifications due to UV degradation

Hussein, Ibnelwaleed A.

219

COUNTEREXAMPLES TO THE UNIQUE AND COFINAL BRANCHES ITAY NEEMAN AND JOHN STEEL  

E-Print Network [OSTI]

COUNTEREXAMPLES TO THE UNIQUE AND COFINAL BRANCHES HYPOTHESES ITAY NEEMAN AND JOHN STEEL Abstract than) the existence of a cardinal which is strong past a Woodin cardinal. Martin­Steel [3] introduced examples see Neeman [4] and Neeman [5].) Martin­Steel [3] suggested a natural hypothesis, which if true

Steel, John R.

220

Modeling branching effects on source-sink relationships of the cotton plant , Vronique Letort2  

E-Print Network [OSTI]

-structural models simulate the architectural development and physiological functioning of plants. Most of them to trace back the dynamics of the source-sink relationship within the plant [12]. A few studies have beenModeling branching effects on source-sink relationships of the cotton plant Dong Li1 , Véronique

Boyer, Edmond

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We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


221

Self-Assembly in Chains, Rings, and Branches: A Single Component System with Two Critical Points  

E-Print Network [OSTI]

Self-Assembly in Chains, Rings, and Branches: A Single Component System with Two Critical Points October 2013) We study the interplay between phase separation and self-assembly in chains, rings. The emergence of the lower critical point is caused by the self-assembly of rings taking place in the vapor

Sciortino, Francesco

222

High Speed Max-Log-MAP Turbo SISO Decoder Implementation Using Branch Metric Normalization  

E-Print Network [OSTI]

High Speed Max-Log-MAP Turbo SISO Decoder Implementation Using Branch Metric Normalization J. H.Erdogan@ee.ed.ac.uk, Tughrul.Arslan@ee.ed.ac.uk Abstract The authors present a turbo soft-in soft-out (SISO) decoder based. The turbo decoder with the proposed technique has been synthesized to evaluate its power consumption

Arslan, Tughrul

223

BOCA RATON DANIA BEACH DAVIE FORT LAUDERDALE HARBOR BRANCH JUPITER PORT ST. LUCIE Educational Plant Survey  

E-Print Network [OSTI]

BOCA RATON DANIA BEACH DAVIE FORT LAUDERDALE HARBOR BRANCH JUPITER PORT ST. LUCIE Educational Plant Survey 2011/2012 ­ 2016/2017 Approved by FAU BOT on June 15, 2011 #12;EDUCATIONAL PLANT SURVEY Florida ...................................................................................................................... ii Educational Plant Survey Team

Fernandez, Eduardo

224

CLNS 05/1914 Measurement of Absolute Hadronic Branching Fractions of D  

E-Print Network [OSTI]

a double tag technique. Among measurements for three D 0 and six D + modes, we obtain reference branching fractions B(D 0 ! K \\Gamma Ã? + ) = (3:91 \\Sigma 0:08 \\Sigma 0:09)% and B(D + ! K \\Gamma Ã? + Ã? + ) = (9:5 \\Sigma 0:2 \\Sigma 0:3)%, where the uncertainties are stati

225

Supporting Streams of Changes during Branch Integration Vernica Uquillas Gmez, Stphane Ducasse, and Andy Kellens  

E-Print Network [OSTI]

Supporting Streams of Changes during Branch Integration Verónica Uquillas Gómez, Stéphane Ducasse, and Andy Kellens Software Languages Lab, Vrije Universiteit Brussel and RMoD, Inria Lille ­ Nord Europe that analyzes changes within a sequence of changes (stream of changes): such analysis identifies

Boyer, Edmond

226

Fractal branching organizations of Ediacaran rangeomorph fronds reveal a lost Proterozoic body plan  

E-Print Network [OSTI]

Fractal branching organizations of Ediacaran rangeomorph fronds reveal a lost Proterozoic body plan, using parametric Lindenmayer systems, a first formal model of rangeomorph morphologies reveals a fractal-filling strategies. The fractal body plan of rangeomorphs is shown to maximize surface area, consistent

Cambridge, University of

227

THESIS FOR THE DEGREE OF LICENTIATE OF PHILOSOPHY Branching of some  

E-Print Network [OSTI]

THESIS FOR THE DEGREE OF LICENTIATE OF PHILOSOPHY Branching of some holomorphic representations Göteborg, Sweden 2002 #12; Abstract In this licentiate thesis we consider a family of Hilbert spaces with his time. He suggested the topic of this licentiate thesis and I have since then bene#28;ted from his

Patriksson, Michael

228

A stepped leader model for lightning including charge distribution in branched channels  

SciTech Connect (OSTI)

The stepped leader process in negative cloud-to-ground lightning plays a vital role in lightning protection analysis. As lightning discharge usually presents significant branched or tortuous channels, the charge distribution along the branched channels and the stochastic feature of stepped leader propagation were investigated in this paper. The charge density along the leader channel and the charge in the leader tip for each lightning branch were approximated by introducing branch correlation coefficients. In combination with geometric characteristics of natural lightning discharge, a stochastic stepped leader propagation model was presented based on the fractal theory. By comparing simulation results with the statistics of natural lightning discharges, it was found that the fractal dimension of lightning trajectory in simulation was in the range of that observed in nature and the calculation results of electric field at ground level were in good agreement with the measurements of a negative flash, which shows the validity of this proposed model. Furthermore, a new equation to estimate the lightning striking distance to flat ground was suggested based on the present model. The striking distance obtained by this new equation is smaller than the value estimated by previous equations, which indicates that the traditional equations may somewhat overestimate the attractive effect of the ground.

Shi, Wei; Zhang, Li [School of Electrical Engineering, Shandong University, Jinan 250061 (China); Li, Qingmin, E-mail: lqmeee@ncepu.edu.cn [Beijing Key Lab of HV and EMC, North China Electric Power University, Beijing 102206 (China); State Key Lab of Alternate Electrical Power System with Renewable Energy Sources, Beijing 102206 (China)

2014-09-14T23:59:59.000Z

229

Distinguishing between linear and branched wormlike micelle solutions using extensional rheology  

E-Print Network [OSTI]

available to branched micelles which appear to be extremely efficient in extensional flows. These stress of tails, the charge on the surfactant, the salinity of the solution, and the flow conditions Israelachvili, lubricants and emulsifiers. Further, these micelle solutions are extensively used in agrochemical spraying

Rothstein, Jonathan

230

DOI: 10.1002/cphc.200900615 From Branched Networks of Actin Filaments to Bundles  

E-Print Network [OSTI]

DOI: 10.1002/cphc.200900615 From Branched Networks of Actin Filaments to Bundles Yifat Brill- ses. Cell movement is driven by the dynamic growth of polar actin networks of various structures,[1 containing the lamellipodium, but lacking the nucleus, micro- tubules and other organels can perform movement

Ben-Shaul, Avinoam

231

Predation on infected host promotes evolutionary branching of virulence and pathogens' biodiversity  

E-Print Network [OSTI]

Predation on infected host promotes evolutionary branching of virulence and pathogens' biodiversity G H L I G H T S c We investigate the role of predators in biodiversity of the pathogens of prey. c investigate the possible role of predators in promoting biodiversity and disruptive evolution (evolutionary

232

Branching processes in random environment a view on critical and subcritical cases  

E-Print Network [OSTI]

Branching processes in random environment ­ a view on critical and subcritical cases M. Birkner1 environment. Then the transition from subcriticality to supercriticality proceeds in several steps, and there occurs a second `transition' in the subcritical phase (besides the phase-transition from (sub)criticality

Birkner, Matthias

233

A branch-and-bound algorithm for convex multi-objective Mixed ...  

E-Print Network [OSTI]

ular, branch-and-bound methods have been developed for mixed integer linear. The authors ... In this paper, we focus on convex multi-objective mixed integer non-linear ..... processing of the final Pareto set (1RF), or not executing RF (noRF

2013-12-28T23:59:59.000Z

234

Branch-cut singularities in the thermodynamics of Fermi liquid systems  

E-Print Network [OSTI]

#12;Search for non analyticity: If f is smooth and regular in the vicinity of f=0, the standard-analyticities associated with branch-cuts enter via ring diagrams, i.e., ladders which are closed onto themselves p+q p -p, the dominant terms are generated in the thermodynamic potential. In ladders the non- analyticities associated

Fominov, Yakov

235

A spine proof of a lower bound for a typed branching Robert Hardy and Simon C. Harris  

E-Print Network [OSTI]

of an important and difficult path large-deviations lower bound for a typed branching diffusion as found in Git, J.HarrisA spine proof of a lower bound for a typed branching diffusion Robert Hardy and Simon C. Harris March 8, 2004 Abstract We follow the spine approach as found in Hardy and Harris [6, 8, 7] to define new

Harris, Simon Colin

236

Potential for Branch Predictor Adaptation at the Program and Phase Level for Performance and Energy-Efficiency  

E-Print Network [OSTI]

Potential for Branch Predictor Adaptation at the Program and Phase Level for Performance and Energy-Efficiency savings were performed. The performance and energy- efficiency of an 8-wide issue, out-of-order processor of the branch predictor configuration to improve overall processor energy- efficiency. The results

Co, Michele

237

A universal high energy anomaly in angle resolved photoemission spectra of high temperature superconductors -- possible evidence of spinon and holon branches  

E-Print Network [OSTI]

possible evidence of spinon and holon branches J. Graf, 1, 2the pro- posed spinon and holon dispersions, respectively.quasiparticles into a spinon and holon branch in the high T

2006-01-01T23:59:59.000Z

238

Precise measurement of branching ratios in the beta decay of 38Ca  

E-Print Network [OSTI]

We present the full description of a measurement of the branching ratios for the beta-decay of 38Ca. This decay includes five allowed 0+ --> 1+ branches and a superallowed 0+ --> 0+ one. With our new result for the latter, we determine its ft value to be 3062.3(68) s, a result whose precision (0.2%) is comparable to the precision of the thirteen well known 0+ --> 0+ transitions used up till now for the determination of Vud, the up-down quark-mixing element of the CKM matrix. The 38Ca superallowed transition thus becomes the first addition to this set of transitions in nearly a decade and the first for which a precise mirror comparison is possible, thus enabling an improved test of the isospin-symmetry-breaking corrections required for the extraction of Vud.

Park, H I; Iacob, V E; Bencomo, M; Chen, L; Horvat, V; Nica, N; Roeder, B T; McCleskey, E; Tribble, R E; Towner, I S

2015-01-01T23:59:59.000Z

239

Detection of a branched alkyl molecule in the interstellar medium: iso-propyl cyanide  

E-Print Network [OSTI]

The largest non-cyclic molecules detected in the interstellar medium (ISM) are organic with a straight-chain carbon backbone. We report an interstellar detection of a branched alkyl molecule, iso-propyl cyanide (i-C3H7CN), with an abundance 0.4 times that of its straight-chain structural isomer. This detection suggests that branched carbon-chain molecules may be generally abundant in the ISM. Our astrochemical model indicates that both isomers are produced within or upon dust grain ice mantles through the addition of molecular radicals, albeit via differing reaction pathways. The production of iso-propyl cyanide appears to require the addition of a functional group to a non-terminal carbon in the chain. Its detection therefore bodes well for the presence in the ISM of amino acids, for which such side-chain structure is a key characteristic.

Belloche, Arnaud; Müller, Holger S P; Menten, Karl M

2014-01-01T23:59:59.000Z

240

Quantum Darwinism: Entanglement, branches, and the emergent classicality of redundantly stored quantum information  

SciTech Connect (OSTI)

We lay a comprehensive foundation for the study of redundant information storage in decoherence processes. Redundancy has been proposed as a prerequisite for objectivity, the defining property of classical objects. We consider two ensembles of states for a model universe consisting of one system and many environments: the first consisting of arbitrary states, and the second consisting of 'singly branching' states consistent with a simple decoherence model. Typical states from the random ensemble do not store information about the system redundantly, but information stored in branching states has a redundancy proportional to the environment's size. We compute the specific redundancy for a wide range of model universes, and fit the results to a simple first-principles theory. Our results show that the presence of redundancy divides information about the system into three parts: classical (redundant); purely quantum; and the borderline, undifferentiated or 'nonredundant', information.

Blume-Kohout, Robin; Zurek, Wojciech H. [Theoretical Division, Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA and Institute for Quantum Information, California Institute of Technology, Pasadena, California 91125 (United States); Theoretical Division, Los Alamos National Laboratory, Los Alamos, New Mexico 87545 (United States)

2006-06-15T23:59:59.000Z

Note: This page contains sample records for the topic "walker branch throughfall" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


241

Single-enzyme kinetics with branched pathways: exact theory and series expansion  

E-Print Network [OSTI]

The progress of the successive rounds of catalytic conversion of substrates into product(s) by a single enzyme is characterized by the distribution of turnover times. Establishing the most general form of dependence of this distribution on the substrate concentration [S] is one of the fundamental challenges in single molecule enzymology. The distribution of the times of dwell of a molecular motor at the successive positions on its track is an analogous quantity. We derive approximate series expansions for the [ATP]-dependence of the first two moments of the dwell time distributions of motors that catalyze hydrolysis of ATP to draw input energy. Comparison between our results for motors with branched pathways and the corresponding expressions reported earlier for linear enzymatic pathways provides deep insight into the effects of the branches. Such insight is likely to help in discovering the most general form of [S]-dependence of these fundamental distributions.

Ashok Garai; Debashish Chowdhury

2014-12-10T23:59:59.000Z

242

Orbital Branching  

E-Print Network [OSTI]

Nov 15, 2006 ... (CIP) or (PIP) is highly-symmetric, a concept we formalize as follows. ... suppose x is a (non-integral) solution to an LP relaxation of PIP or CIP,.

2006-11-15T23:59:59.000Z

243

"Branches of a Tree" 31 October 2009 Edwards (Ted) Atwood, Ph.D., 1976  

E-Print Network [OSTI]

"Branches of a Tree" ­ 31 October 2009 #12;#12; Edwards (Ted) Atwood, Ph.D., 1976 Kumar Bhushan, PD, 2003-2005 Alex Bonner, Ph.D., 1975 Ting Chen, PD, 2001-2003 Kyung-Hee (Kay) Choi, Ph.D., 1998 Hann--Bin Chuang, Ph.D., 1986 Gejing Deng, Ph.D., 1997 Daniel DeOliveira, Ph.D., 1998 J.D. Dixon, Ph

Spence, Harlan Ernest

244

CLNS 07/2005 Measurement of Absolute Hadronic Branching Fractions of D  

E-Print Network [OSTI]

. Among measurements for three D 0 and six D + modes, we obtain reference branching fractions B(D 0 ! K \\Gamma Ã? + ) = (3:891 \\Sigma 0:035 \\Sigma 0:059 \\Sigma 0:035)% and B(D + ! K \\Gamma Ã? + Ã? + ) = (9:14 \\Sigma 0:10 \\Sigma 0:16 \\Sigma 0:07)%, where the first uncertainty is statistical, the second is all

245

Circadian oscillation of starch branching enzyme gene expression in the sorghum endosperm  

SciTech Connect (OSTI)

Expression of the three SBE genes, encoding starch branching enzymes, in the sorghum endosperm exhibited a diurnal rhythm during a 24-h cycle. Remarkably, the oscillation in SBE expression was maintained in cultured spikes after a 48-h dark treatment, also when fed a continuous solution of sucrose or abscisic acid. Our findings suggest that the rhythmicity in SBE expression in the endosperm is independent of cues from the photosynthetic source and that the oscillator resides within the endosperm itself.

Mutisya, J.; Sun, C.; Jansson, C.

2009-08-31T23:59:59.000Z

246

Branching fractions and CP asymmetries in two-body nonleptonic charmless b-hadron decays  

SciTech Connect (OSTI)

Relative branching fractions of B{sub d,s}{sup 0} {yields} h{sup +}h'{sup -} decays (where h,h' = K or {pi}) and the direct Cp asymmetry A{sub CP} in the B{sub d}{sup 0} {yields} K{sup +}{pi}{sup -} mode are measured with 179 {+-} 11 pb {sup -1} of data collected using the CDF II detector at the Fermilab Tevatron p{bar p} collider. The first branching-fraction measurement of a B{sub s}{sup 0} meson to two pseudoscalars, {Beta}(B{sub s}{sup 0} {yields} K{sup +} K{sup -}), and a search for the baryon mode {Lambda}{sub b}{sup 0} {yields} p{sup +} h{sup -} are also presented, in addition to branching-fraction limits on the rare channels B{sub s}{sup 0} {yields} K{sup +} {pi}{sup -}, B{sub d}{sup 0} {yields} K{sup +}K{sup -}, and B{sub s}{sup 0} {yields} {pi}{sup +}{pi}{sup -}.

Warburton, Andreas; /McGill U.

2004-11-01T23:59:59.000Z

247

BBSGI.MAN -BRANCH-BUS/SILICON GRAPHICS DATA ACQUISITION SYSTEM (BBSGI) For IRIX 5.x systems -AT&T UNIX System V Release 4  

E-Print Network [OSTI]

BBSGI.MAN - BRANCH-BUS/SILICON GRAPHICS DATA ACQUISITION SYSTEM (BBSGI) For IRIX 5.x systems - AT&T UNIX System V Release 4 r.imossi/oldf/bnl 25-Oct-1993 BRANCH-BUS/SILICON GRAPHICS DATA ACQUISITION The BRANCH-BUS/SILICON GRAPHICS DATA ACQUISITION SYSTEM (BBSGI) is a product of the Online Data Facility

248

THE ASYMPTOTIC GIANT BRANCH AND THE TIP OF THE RED GIANT BRANCH AS PROBES OF STAR FORMATION HISTORY: THE NEARBY DWARF IRREGULAR GALAXY KKH 98  

SciTech Connect (OSTI)

We investigate the utility of the asymptotic giant branch (AGB) and the red giant branch (RGB) as probes of the star formation history (SFH) of the nearby (D = 2.5 Mpc) dwarf irregular galaxy, KKH 98. Near-infrared (near-IR) Keck Laser Guide Star Adaptive Optics (AO) images resolve 592 IR-bright stars reaching over 1 mag below the tip of the RGB. Significantly deeper optical (F475W and F814W) Hubble Space Telescope images of the same field contain over 2500 stars, reaching to the red clump and the main-sequence turnoff for 0.5 Gyr old populations. Compared to the optical color-magnitude diagram (CMD), the near-IR CMD shows significantly tighter AGB sequences, providing a good probe of the intermediate-age (0.5-5 Gyr) populations. We match observed CMDs with stellar evolution models to recover the SFH of KKH 98. On average, the galaxy has experienced relatively constant low-level star formation (5 x 10{sup -4} M{sub sun} yr{sup -1}) for much of cosmic time. Except for the youngest main-sequence populations (age <0.1 Gyr), which are typically fainter than the AO data flux limit, the SFH estimated from the 592 IR-bright stars is a reasonable match to that derived from the much larger optical data set. Differences between the optical- and IR-derived SFHs for 0.1-1 Gyr populations suggest that current stellar evolution models may be overproducing the AGB by as much as a factor of 3 in this galaxy. At the depth of the AO data, the IR-luminous stars are not crowded. Therefore, these techniques can potentially be used to determine the stellar populations of galaxies at significantly further distances.

Melbourne, J. [Caltech Optical Observatories, Division of Physics, Mathematics and Astronomy, Mail Stop 301-17, California Institute of Technology, Pasadena, CA 91125 (United States); Williams, B.; Dalcanton, J. [Department of Astronomy, Box 351580, University of Washington, Seattle, WA 98195 (United States); Ammons, S. M.; Max, C.; Koo, D. C. [University of California Observatories/Lick Observatory, Department of Astronomy and Astrophysics, University of California at Santa Cruz, 1156 High Street, Santa Cruz, CA 95064 (United States); Girardi, Leo [Osservatorio Astronomico di Padova-INAF, Padova (Italy); Dolphin, A., E-mail: jmel@caltech.ed, E-mail: ben@astro.washington.ed, E-mail: jd@astro.washington.ed, E-mail: ammons@ucolick.or, E-mail: max@ucolick.or, E-mail: koo@ucolick.or, E-mail: leo.girardi@oapd.inaf.i, E-mail: adolphin@raytheon.co [Raytheon, 1151 E. Hermans Road, Tucson, AZ 85706 (United States)

2010-03-20T23:59:59.000Z

249

Measurement of the ratio of branching fractions B(B±-->J/ psi pi ±)/B(B±-->J/ psi K±)  

E-Print Network [OSTI]

We report a measurement of the ratio of branching fractions of the decays B[superscript ±]?J/??[superscript ±] and B[superscript ±]?J/?K[superscript ±] using the CDF II detector at the Fermilab Tevatron Collider. The signal ...

Paus, Christoph M. E.

250

Environment - Giant outdoor lab ... | ornl.gov  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Environment - Giant outdoor lab ... With the recent completion of a 40-meter observation tower in the nearby Walker Branch Watershed, Oak Ridge National Laboratory researchers are...

251

Branching ratios from B{sub s} and {Lambda}{sub b}{sup 0}  

SciTech Connect (OSTI)

CDF Run II relative branching ratio measurements for 65 pb{sup -1} of data in the channels B{sub s} {yields} D{sub s}{sup {-+}}{pi}{sup {-+}}, {Lambda} {sub b}{sup 0} {yields} {Lambda}{sub c}{sup {+-}}{pi}{sup {-+}} and B {yields} h{sup +}h{sup -} are presented. Further, an observation of B{sub s} {yields} K{sup {+-}} K{sup {-+}} and a measurement of A{sub CP} are presented.

Matthew S. Martin

2004-05-28T23:59:59.000Z

252

Publisher's note: Branching ratios for the beta decay of Na-21 (vol 74, pg 015501, 2006)  

E-Print Network [OSTI]

PHYSICAL REVIEW C 74, 029901(E) (2006) Publisher?s Note: Branching ratios for the ? decay of 21Na [Phys. Rev. C 74, 015501 (2006)] V. E. Iacob, J. C. Hardy, C. A. Gagliardi, J. Goodwin, N. Nica, H. I. Park, G. Tabacaru, L. Trache, R. E. Tribble..., Y. Zhai, and I. S. Towner (Received 31 July 2006; published 11 August 2006) DOI: 10.1103/PhysRevC.74.029901 PACS number(s): 27.30.+t, 23.40.?s, 99.10.Fg This paper was published online on 14 July 2006 with formatting errors in Eqs. (7) and (9...

Iacob, V. E.; Hardy, John C.; Gagliardi, Carl A.; Goodwin, J.; Nica, N.; Park, H. I.; Tabacaru, G.; Trache, L.; Tribble, Robert E.; Zhai, Y.; Towner, I. S.

2006-01-01T23:59:59.000Z

253

Globular clusters with the extended horizontal-branch as remaining cores of galaxy building blocks  

E-Print Network [OSTI]

The relics of building blocks that made stellar halo and bulge are yet to be discovered unless they were completely disrupted throughout the history of the Galaxy. Here we suggest that about 25% of the Milky Way globular clusters have characteristics of the remaining cores of these early building blocks rather than genuine star clusters. They are clearly distinct from other normal globular clusters in the presence of extended horizontal-branch and multiple stellar populations, in mass (brightness), and most importantly in orbital kinematics. Based on this result, a three-stage formation picture of the Milky Way is suggested, which includes early mergers, collapse, and later accretion.

Young-Wook Lee; Hansung B. Gim; Chul Chung

2007-07-11T23:59:59.000Z

254

Process for the conversion of lower alcohols to higher branched oxygenates  

DOE Patents [OSTI]

A process is provided for the production of branched C.sub.4+ oxygenates from lower alcohols such as methanol, ethanol, propanol and mixtures thereof. The process comprises contacting the lower alcohols with a solid catalyst comprising a mixed metal oxide support having components selected from the group consisting of oxides of zinc, magnesium, zirconia, titanium, manganese, chromium, and lanthanides, and an activation metal selected from the group consisting of Group VIII metal, Group IB metals, and mixtures thereof. The advantage of the process is improved yields and selectivity to isobutanol which can subsequently be employed in the production of high octane motor gasoline.

Barger, Paul T. (Arlington Heights, IL)

1996-01-01T23:59:59.000Z

255

Process for the conversion of lower alcohols to higher branched oxygenates  

DOE Patents [OSTI]

A process is provided for the production of branched C{sub x} oxygenates from lower alcohols such as methanol, ethanol, propanol and mixtures thereof. The process comprises contacting the lower alcohols with a solid catalyst comprising a mixed metal oxide support having components selected from the group consisting of oxides of zinc, magnesium, zirconia, titanium, manganese, chromium, and lanthanides, and an activation metal selected from the group consisting of Group VIII metal, Group IB metals, and mixtures thereof. The advantage of the process is improved yields and selectivity to isobutanol which can subsequently be employed in the production of high octane motor gasoline.

Barger, P.T.

1996-09-24T23:59:59.000Z

256

Simulation of the ultrasonic array response from real branched cracks using an efficient finite element method  

SciTech Connect (OSTI)

A hybrid model to simulate the ultrasonic array response from stress corrosion cracks is presented. These cracks are branched and difficult to detect so the model is required to enable optimization of an array design. An efficient frequency-domain finite element method is described and selected to simulate the ultrasonic scattering. Experimental validation results are presented, followed by an example of the simulated ultrasonic array response from a real stress corrosion crack whose geometry is obtained from an X-ray Computed Tomography image. A simulation-assisted array design methodology, which includes the model and use of real crack geometries, is proposed.

Felice, Maria V. [Department of Mechanical Engineering, University of Bristol, Bristol BS8 1TR, United Kingdom and Rolls-Royce plc., Bristol BS34 7QE (United Kingdom); Velichko, Alexander; Wilcox, Paul D. [Department of Mechanical Engineering, University of Bristol, Bristol BS8 1TR (United Kingdom); Barden, Tim J.; Dunhill, Tony K. [Rolls-Royce plc., Bristol BS34 7QE (United Kingdom)

2014-02-18T23:59:59.000Z

257

Habitability of Super-Earth Planets around Other Suns: Models including Red Giant Branch Evolution  

E-Print Network [OSTI]

The unexpected diversity of exoplanets includes a growing number of super- Earth planets, i.e., exoplanets with masses of up to several Earth masses and a similar chemical and mineralogical composition as Earth. We present a thermal evolution model for a 10 Earth mass planet orbiting a star like the Sun. Our model is based on the integrated system approach, which describes the photosynthetic biomass production taking into account a variety of climatological, biogeochemical, and geodynamical processes. This allows us to identify a so-called photosynthesis-sustaining habitable zone (pHZ) determined by the limits of biological productivity on the planetary surface. Our model considers the solar evolution during the main-sequence stage and along the Red Giant Branch as described by the most recent solar model. We obtain a large set of solutions consistent with the principal possibility of life. The highest likelihood of habitability is found for "water worlds". Only mass-rich water worlds are able to realize pHZ-type habitability beyond the stellar main-sequence on the Red Giant Branch.

W. von Bloh; M. Cuntz; K. -P. Schroeder; C. Bounama; S. Franck

2008-12-04T23:59:59.000Z

258

Branches of electrostatic turbulence inside solitary plasma structures in the auroral ionosphere  

SciTech Connect (OSTI)

The excitation of electrostatic turbulence inside space-observed solitary structures is a central topic of this exposition. Three representative solitary structures observed in the topside auroral ionosphere as large-amplitude nonlinear signatures in the electric field and magnetic-field-aligned current on the transverse scales of ?10{sup 2}–10{sup 3}?m are evaluated by the theories of electrostatic wave generation in inhomogeneous background configurations. A quantitative analysis shows that the structures are, in general, effective in destabilizing the inhomogeneous energy-density-driven (IEDD) waves, as well as of the ion acoustic waves modified by a shear in the parallel drift of ions. It is demonstrated that the dominating branch of the electrostatic turbulence is determined by the interplay of various driving sources inside a particular solitary structure. The sources do not generally act in unison, so that their common effect may be inhibiting for excitation of electrostatic waves of a certain type. In the presence of large magnetic-field-aligned current, which is not correlated to the inhomogeneous electric field inside the structure, the ion-acoustic branch becomes dominating. In other cases, the IEDD instability is more central.

Golovchanskaya, Irina V.; Kozelov, Boris V. [Polar Geophysical Institute, Apatity 184209 (Russian Federation); Chernyshov, Alexander A.; Mogilevsky, Mikhail M. [Space research Institute, Moscow 117997 (Russian Federation); Ilyasov, Askar A. [Moscow Institute of Physics and Technology, Moscow 141700 (Russian Federation); Space research Institute, Moscow 117997 (Russian Federation)

2014-08-15T23:59:59.000Z

259

Branching laws for polynomial endomorphisms in CAR algebra for fermions, uniformly hyperfinite algebras and Cuntz algebras  

E-Print Network [OSTI]

Previously, we have shown that the CAR algebra for fermions is embedded in the Cuntz algebra ${\\cal O}_{2}$ in such a way that the generators are expressed in terms of polynomials in the canonical generators of the latter, and it coincides with the U(1)-fixed point subalgebra ${\\cal A}\\equiv {\\cal O}_{2}^{U(1)}$ of ${\\cal O}_{2}$ for the canonical gauge action. Based on this embedding formula, some properties of ${\\cal A}$ are studied in detail by restricting those of ${\\cal O}_{2}$. Various endomorphisms of ${\\cal O}_{2}$, which are defined by polynomials in the canonical generators, are explicitly constructed, and transcribed into those of ${\\cal A}$. Especially, we investigate branching laws for a certain family of such endomorphisms with respect to four important representations, i.e., the Fock representation, the infinite wedge representation and their duals. These endomorphisms are completely classified by their branching laws. As an application, we show that the reinterpretation of the Fock vacuum as the Dirac vacuum is described in representation theory through a mixture of fermions.

Mitsuo Abe; Katsunori Kawamura

2006-06-20T23:59:59.000Z

260

Assessment of approximate computational methods for conical intersections and branching plane vectors in organic molecules  

SciTech Connect (OSTI)

Quantum-chemical computational methods are benchmarked for their ability to describe conical intersections in a series of organic molecules and models of biological chromophores. Reference results for the geometries, relative energies, and branching planes of conical intersections are obtained using ab initio multireference configuration interaction with single and double excitations (MRCISD). They are compared with the results from more approximate methods, namely, the state-interaction state-averaged restricted ensemble-referenced Kohn-Sham method, spin-flip time-dependent density functional theory, and a semiempirical MRCISD approach using an orthogonalization-corrected model. It is demonstrated that these approximate methods reproduce the ab initio reference data very well, with root-mean-square deviations in the optimized geometries of the order of 0.1 Å or less and with reasonable agreement in the computed relative energies. A detailed analysis of the branching plane vectors shows that all currently applied methods yield similar nuclear displacements for escaping the strong non-adiabatic coupling region near the conical intersections. Our comparisons support the use of the tested quantum-chemical methods for modeling the photochemistry of large organic and biological systems.

Nikiforov, Alexander; Gamez, Jose A.; Thiel, Walter [Max-Planck-Institut für Kohlenforschung, Kaiser-Wilhelm-Platz 1, D-45470 Mülheim an der Ruhr (Germany); Huix-Rotllant, Miquel [Institute of Physical and Theoretical Chemistry, Goethe University Frankfurt, Max-von-Laue-Str. 7, D-60438 Frankfurt am Main (Germany); Filatov, Michael, E-mail: mike.filatov@gmail.com [Mulliken Center for Theoretical Chemistry, Institut für Physikalische und Theoretische Chemie, Universität Bonn, Beringstr. 4, D-53115 Bonn (Germany)

2014-09-28T23:59:59.000Z

Note: This page contains sample records for the topic "walker branch throughfall" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


261

Tracing the Metal-Poor M31 Stellar Halo with Blue Horizontal Branch Stars  

E-Print Network [OSTI]

We have analyzed new HST/ACS and HST/WFC3 imaging in F475W and F814W of two previously-unobserved fields along the M31 minor axis to confirm our previous constraints on the shape of M31's inner stellar halo. Both of these new datasets reach a depth of at least F814W$blue horizontal branch (BHB) of the field as a distinct feature of the color-magnitude diagram. We measure the density of BHB stars and the ratio of BHB to red giant branch stars in each field using identical techniques to our previous work. We find excellent agreement with our previous measurement of a power-law for the 2-D projected surface density with an index of 2.6$^{+0.3}_{-0.2}$ outside of 3 kpc, which flattens to $\\alpha <$1.2 inside of 3 kpc. Our findings confirm our previous suggestion that the field BHB stars in M31 are part of the halo population. However, the total halo profile is now known to differ from this BHB profile, which suggests that we have isolated the metal-poor component. This component ...

Williams, Benjamin F; Gilbert, Eric F BellKaroline M; Guhathakurta, Puragra; Dorman, Claire; Lauer, Tod R; Seth, Anil C; Kalirai, Jason S; Rosenfield, Philip; Girardi, Leo

2015-01-01T23:59:59.000Z

262

Measurements of the Branching fractions for $B_(s) -> D_(s)???$ and $?_b^0 -> ?_c^+???$  

E-Print Network [OSTI]

Branching fractions of the decays $H_b\\to H_c\\pi^-\\pi^+\\pi^-$ relative to $H_b\\to H_c\\pi^-$ are presented, where $H_b$ ($H_c$) represents B^0-bar($D^+$), $B^-$ ($D^0$), B_s^0-bar ($D_s^+$) and $\\Lambda_b^0$ ($\\Lambda_c^+$). The measurements are performed with the LHCb detector using 35${\\rm pb^{-1}}$ of data collected at $\\sqrt{s}=7$ TeV. The ratios of branching fractions are measured to be B(B^0-bar -> D^+\\pi^-\\pi^+\\pi^-)/ B(B^0-bar -> D^+\\pi^-) = 2.38\\pm0.11\\pm0.21 B(B^- -> D^0\\pi^-\\pi^+\\pi^-) / B(B^- -> D^0\\pi^-) = 1.27\\pm0.06\\pm0.11 B(B_s^0-bar -> D_s^+\\pi^-\\pi^+\\pi^-) / B(B_s^0-bar -> D_s^+\\pi^-) = 2.01\\pm0.37\\pm0.20 B(\\Lambda_b^0->\\Lambda_c^+\\pi^-\\pi^+\\pi^-) / B(\\Lambda_b^0 -> \\Lambda_c^+\\pi^-) = 1.43\\pm0.16\\pm0.13. We also report measurements of partial decay rates of these decays to excited charm hadrons. These results are of comparable or higher precision than existing measurements.

LHCb Collaboration; R. Aaij; B. Adeva; M. Adinolfi; C. Adrover; A. Affolder; Z. Ajaltouni; J. Albrecht; F. Alessio; M. Alexander; G. Alkhazov; P. Alvarez Cartelle; A. A. Alves Jr; S. Amato; Y. Amhis; J. Anderson; R. B. Appleby; O. Aquines Gutierrez; F. Archilli; L. Arrabito; A. Artamonov; M. Artuso; E. Aslanides; G. Auriemma; S. Bachmann; J. J. Back; D. S. Bailey; V. Balagura; W. Baldini; R. J. Barlow; C. Barschel; S. Barsuk; W. Barter; A. Bates; C. Bauer; Th. Bauer; A. Bay; I. Bediaga; K. Belous; I. Belyaev; E. Ben-Haim; M. Benayoun; G. Bencivenni; S. Benson; J. Benton; R. Bernet; M. -O. Bettler; M. van Beuzekom; A. Bien; S. Bifani; A. Bizzeti; P. M. Bjørnstad; T. Blake; F. Blanc; C. Blanks; J. Blouw; S. Blusk; A. Bobrov; V. Bocci; A. Bondar; N. Bondar; W. Bonivento; S. Borghi; A. Borgia; T. J. V. Bowcock; C. Bozzi; T. Brambach; J. van den Brand; J. Bressieux; D. Brett; S. Brisbane; M. Britsch; T. Britton; N. H. Brook; H. Brown; A. Büchler-Germann; I. Burducea; A. Bursche; J. Buytaert; S. Cadeddu; J. M. Caicedo Carvajal; O. Callot; M. Calvi; M. Calvo Gomez; A. Camboni; P. Campana; A. Carbone; G. Carboni; R. Cardinale; A. Cardini; L. Carson; K. Carvalho Akiba; G. Casse; M. Cattaneo; M. Charles; Ph. Charpentier; N. Chiapolini; K. Ciba; X. Cid Vidal; G. Ciezarek; P. E. L. Clarke; M. Clemencic; H. V. Cliff; J. Closier; C. Coca; V. Coco; J. Cogan; P. Collins; F. Constantin; G. Conti; A. Contu; A. Cook; M. Coombes; G. Corti; G. A. Cowan; R. Currie; B. D'Almagne; C. D'Ambrosio; P. David; I. De Bonis; S. De Capua; M. De Cian; F. De Lorenzi; J. M. De Miranda; L. De Paula; P. De Simone; D. Decamp; M. Deckenhoff; H. Degaudenzi; M. Deissenroth; L. Del Buono; C. Deplano; O. Deschamps; F. Dettori; J. Dickens; H. Dijkstra; P. Diniz Batista; S. Donleavy; A. Dosil Suárez; D. Dossett; A. Dovbnya; F. Dupertuis; R. Dzhelyadin; C. Eames; S. Easo; U. Egede; V. Egorychev; S. Eidelman; D. van Eijk; F. Eisele; S. Eisenhardt; R. Ekelhof; L. Eklund; Ch. Elsasser; D. G. d'Enterria; D. Esperante Pereira; L. Estéve; A. Falabella; E. Fanchini; C. Färber; G. Fardell; C. Farinelli; S. Farry; V. Fave; V. Fernandez Albor; M. Ferro-Luzzi; S. Filippov; C. Fitzpatrick; M. Fontana; F. Fontanelli; R. Forty; M. Frank; C. Frei; M. Frosini; S. Furcas; A. Gallas Torreira; D. Galli; M. Gandelman; P. Gandini; Y. Gao; J-C. Garnier; J. Garofoli; J. Garra Tico; L. Garrido; C. Gaspar; N. Gauvin; M. Gersabeck; T. Gershon; Ph. Ghez; V. Gibson; V. V. Gligorov; C. Göbel; D. Golubkov; A. Golutvin; A. Gomes; H. Gordon; M. Grabalosa Gándara; R. Graciani Diaz; L. A. Granado Cardoso; E. Graugés; G. Graziani; A. Grecu; S. Gregson; B. Gui; E. Gushchin; Yu. Guz; T. Gys; G. Haefeli; C. Haen; S. C. Haines; T. Hampson; S. Hansmann-Menzemer; R. Harji; N. Harnew; J. Harrison; P. F. Harrison; J. He; V. Heijne; K. Hennessy; P. Henrard; J. A. Hernando Morata; E. van Herwijnen; E. Hicks; W. Hofmann; K. Holubyev; P. Hopchev; W. Hulsbergen; P. Hunt; T. Huse; R. S. Huston; D. Hutchcroft; D. Hynds; V. Iakovenko; P. Ilten; J. Imong; R. Jacobsson; A. Jaeger; M. Jahjah Hussein; E. Jans; F. Jansen; P. Jaton; B. Jean-Marie; F. Jing; M. John; D. Johnson; C. R. Jones; B. Jost; S. Kandybei; M. Karacson; T. M. Karbach; J. Keaveney; U. Kerzel; T. Ketel; A. Keune; B. Khanji; Y. M. Kim; M. Knecht; S. Koblitz; P. Koppenburg; A. Kozlinskiy; L. Kravchuk; K. Kreplin; M. Kreps; G. Krocker; P. Krokovny; F. Kruse; K. Kruzelecki; M. Kucharczyk; S. Kukulak; R. Kumar; T. Kvaratskheliya; V. N. La Thi; D. Lacarrere; G. Lafferty; A. Lai; D. Lambert; R. W. Lambert; E. Lanciotti; G. Lanfranchi; C. Langenbruch; T. Latham; R. Le Gac; J. van Leerdam; J. -P. Lees; R. Lefévre; A. Leflat; J. Lefrançois; O. Leroy; T. Lesiak; L. Li; L. Li Gioi; M. Lieng; M. Liles; R. Lindner; C. Linn; B. Liu; G. Liu; J. H. Lopes; E. Lopez Asamar; N. Lopez-March; J. Luisier; F. Machefert; I. V. Machikhiliyan; F. Maciuc; O. Maev; J. Magnin; S. Malde; R. M. D. Mamunur; G. Manca; G. Mancinelli; N. Mangiafave; U. Marconi; R. Märki; J. Marks; G. Martellotti; A. Martens; L. Martin; A. Martín Sánchez; D. Martinez Santos; A. Massafferri; Z. Mathe; C. Matteuzzi; M. Matveev; E. Maurice; B. Maynard; A. Mazurov; G. McGregor; R. McNulty; C. Mclean; M. Meissner; M. Merk; J. Merkel; R. Messi; S. Miglioranzi; D. A. Milanes; M. -N. Minard; S. Monteil; D. Moran; P. Morawski; R. Mountain; I. Mous; F. Muheim; K. Müller; R. Muresan; B. Muryn; M. Musy; J. Mylroie-Smith; P. Naik; T. Nakada; R. Nandakumar; J. Nardulli; I. Nasteva; M. Nedos; M. Needham; N. Neufeld; C. Nguyen-Mau; M. Nicol; S. Nies; V. Niess; N. Nikitin; A. Oblakowska-Mucha; V. Obraztsov; S. Oggero; S. Ogilvy; O. Okhrimenko; R. Oldeman; M. Orlandea; J. M. Otalora Goicochea; P. Owen; B. Pal; J. Palacios; M. Palutan; J. Panman; A. Papanestis; M. Pappagallo; C. Parkes; C. J. Parkinson; G. Passaleva; G. D. Patel; M. Patel; S. K. Paterson

2011-09-30T23:59:59.000Z

263

Demand forecasting for companies with many branches, low sales numbers per product, and non-recurring orderings  

E-Print Network [OSTI]

We propose the new Top-Dog-Index to quantify the historic deviation of the supply data of many small branches for a commodity group from sales data. On the one hand, the common parametric assumptions on the customer demand distribution in the literature could not at all be supported in our real-world data set. On the other hand, a reasonably-looking non-parametric approach to estimate the demand distribution for the different branches directly from the sales distribution could only provide us with statistically weak and unreliable estimates for the future demand. Based on real-world sales data from our industry partner we provide evidence that our Top-Dog-Index is statistically robust. Using the Top-Dog-Index, we propose a heuristics to improve the branch-dependent proportion between supply and demand. Our approach cannot estimate the branch-dependent demand directly. It can, however, classify the branches into a given number of clusters according to an historic oversupply or undersupply. This classification ...

Kurz, Sascha

2008-01-01T23:59:59.000Z

264

IS DUST FORMING ON THE RED GIANT BRANCH IN 47 Tuc?  

SciTech Connect (OSTI)

Using Spitzer Infrared Array Camera (IRAC) observations from the SAGE-SMC Legacy program and archived Spitzer IRAC data, we investigate dust production in 47 Tuc, a nearby massive Galactic globular cluster. A previous study detected infrared excess, indicative of circumstellar dust, in a large population of stars in 47 Tuc, spanning the entire red giant branch (RGB). We show that those results suffered from effects caused by stellar blending and imaging artifacts and that it is likely that no stars below {approx}1 mag from the tip of the RGB are producing dust. The only stars that appear to harbor dust are variable stars, which are also the coolest and most luminous stars in the cluster.

Boyer, Martha L.; Gordon, Karl D.; Meixner, Margaret; Sewilo, Marta; Shiao, Bernie [STScI, 3700 San Martin Drive, Baltimore, MD 21218 (United States); Van Loon, Jacco Th. [Astrophysics Group, Lennard-Jones Laboratories, Keele University, Staffordshire ST5 5BG (United Kingdom); McDonald, Iain [Jodrell Bank Centre for Astrophysics, Alan Turing Building, University of Manchester, M13 9PL (United Kingdom); Babler, Brian; Bracker, Steve; Meade, Marilyn [Department of Astronomy, University of Wisconsin, Madison, 475 North Charter Street, Madison, WI 53706-1582 (United States); Block, Miwa; Engelbracht, Charles; Misselt, Karl [Steward Observatory, University of Arizona, 933 North Cherry Avenue, Tucson, AZ 85721 (United States); Hora, Joe [Harvard-Smithsonian Center for Astrophysics, 60 Garden Street, MS 65, Cambridge, MA 02138-1516 (United States); Indebetouw, Remy [Department of Astronomy, University of Virginia, P.O. Box 3818, Charlottesville, VA 22903-0818 (United States); Whitney, Barbara [Space Science Institute, 4750 Walnut Street, Suite 205, Boulder, CO 80301 (United States)], E-mail: mboyer@stsci.edu

2010-03-10T23:59:59.000Z

265

Measurement of the branching ratios for the decays of D(+)(s) to ??(+), ???(+), ??(+), and ???(+)  

E-Print Network [OSTI]

to the form factor for D0!K2e1ne , for which *Permanent address: University of Texas, Austin, TX 78712. †Permanent address: BINP, RU-630090 Novosibirsk, Russia. ‡Permanent address: Lawrence Livermore National Laboratory, Livermore, CA 94551.A. Bellerive, R....5260.0360.04 h3pp 154622 4.560.1 1.1 0.3560.0560.06 h 8 (h gg )p 479626 6.760.1 1.1 1.0960.0660.07 h 8 (h3p)p 5869 1.960.1 0.2 0.7360.1160.122-4 MEASUREMENT OF THE BRANCHING RATIOS FOR THE . . . PHYSICAL REVIEW D 58 052002yields for different channels...

Baringer, Philip S.

1998-07-29T23:59:59.000Z

266

Wide Binary Effects on Asymmetries in Asymptotic Giant Branch Circumstellar Envelopes  

E-Print Network [OSTI]

Observations of increasingly higher spatial resolution reveal the existence of asymmetries in the circumstellar envelopes of a small fraction of asymptotic giant branch (AGB) stars. Although there is no general consensus for their origin, a binary companion star may be responsible. Within this framework, we investigate the gravitational effects associated with a sufficiently wide binary system, where Roche lobe overflow is unimportant, on the outflowing envelopes of AGB stars using three dimensional hydrodynamic simulations. The effects due to individual binary components are separately studied, enabling investigation of the stellar and circumstellar characteristics in detail. The reflex motion of the AGB star alters the wind velocity distribution, thereby, determining the overall shape of the outflowing envelope. On the other hand, the interaction of the companion with the envelope produces a gravitational wake, which exhibits a vertically thinner shape. The two patterns overlap and form clumpy structures. T...

Kim, Hyosun

2012-01-01T23:59:59.000Z

267

Measurement of the Absolute Branching Fraction of D0 to K- pi+  

SciTech Connect (OSTI)

The authors measure the absolute branching fraction for D{sup 0} {yields} K{sup -} {pi}{sup +} using partial reconstruction of {bar B}{sup 0} {yields} D*{sup +}X{ell}{sup -}{bar {nu}}{sub {ell}} decays, in which only the charged lepton and the pion from the decay D*{sup +} {yields} D{sup 0}{pi}{sup +} are used. Based on a data sample of 230 million B{bar B} pairs collected at the {Upsilon}(4S) resonance with the BABAR detector at the PEP-II asymmetric-energy B Factory at SLAC, they obtain {Beta}(D{sup 0} {yields} K{sup -}{pi}{sup +}) = (4.007 {+-} 0.037 {+-} 0.070)%, where the first error is statistical and the second error is systematic.

Aubert, B.; Bona, M.; Boutigny, D.; Karyotakis, Y.; Lees, J.P.; Poireau, V.; Prudent, X.; Tisserand, V.; Zghiche, A.; /Annecy, LAPP; Garra Tico, J.; Grauges, E.; /Barcelona U., ECM; Lopez, L.; Palano, A.; /Bari U.; Eigen, G.; Ofte, I.; Stugu, B.; Sun, L.; /Bergen U.; Abrams, G.S.; Battaglia, M.; Brown, D.N.; Button-Shafer, J.; /LBL, Berkeley

2007-04-25T23:59:59.000Z

268

A method to measure the absolute branching fractions of $?_c$ decays  

E-Print Network [OSTI]

It is proposed to exploit the decay of the meson ${B}^+ \\rightarrow p \\pi^+ \\pi^+ \\bar{\\Sigma}_c^{--}$ and of its charge conjugate $B^-$ copiously produced at LHC to obtain a sample of $\\Lambda_c$ baryons through the strong decay $\\Sigma_c \\rightarrow \\Lambda_c \\pi$. The sample thus obtained is not affected by biases typically introduced by selections that depend on specific decay modes. Therefore it allows a measurement of the absolute branching fraction for the decay of the $\\Lambda_c$ baryon into $ p K \\pi$ or into other observable final states to be performed in a model independent manner. The accuracy that can be achieved with this method is discussed and it is shown that it would be either competitive with or an improvement over current measurements.

Andrea Contu; Dorothea Fonnesu; Rudolf Gerhard Christiaan Oldeman; Biagio Saitta; Claudia Vacca

2014-08-28T23:59:59.000Z

269

Ultrafast energy transfer from rigid, branched side-chains into a conjugated, alternating copolymer  

SciTech Connect (OSTI)

We present the synthesis and characterization of a benzodithiophene/thiophene alternating copolymer decorated with rigid, singly branched pendant side chains. We characterize exciton migration and recombination dynamics in these molecules in tetrahydrofuran solution, using a combination of static and time-resolved spectroscopies. As control experiments, we also measure electronic relaxation dynamics in isolated molecular analogues of both the side chain and polymer moieties. We employ semi-empirical and time-dependent density functional theory calculations to show that photoexcitation of the decorated copolymer using 395 nm laser pulses results in excited states primarily localized on the pendant side chains. We use ultrafast transient absorption spectroscopy to show that excitations are transferred to the polymer backbone faster than the instrumental response function, ?250 fs.

Griffin, Graham B.; Rolczynski, Brian S.; Linkin, Alexander; McGillicuddy, Ryan D.; Engel, Gregory S., E-mail: gsengel@uchicago.edu [Department of Chemistry, The James Franck Institute, Institute for Biophysical Dynamics, The University of Chicago, Chicago, Illinois 60637 (United States); Lundin, Pamela M. [Department of Chemical Engineering, Stanford University, Stauffer III, 381 North-South Mall, Stanford, California 94305 (United States) [Department of Chemical Engineering, Stanford University, Stauffer III, 381 North-South Mall, Stanford, California 94305 (United States); A. R. Smith Department of Chemistry, Appalachian State University, 417 CAP Building, 525 Rivers Street, Boone, North Carolina 28608 (United States); Bao, Zhenan [Department of Chemical Engineering, Stanford University, Stauffer III, 381 North-South Mall, Stanford, California 94305 (United States)] [Department of Chemical Engineering, Stanford University, Stauffer III, 381 North-South Mall, Stanford, California 94305 (United States)

2014-01-21T23:59:59.000Z

270

Measurement of the $\\Xi^0 \\rightarrow \\Lambda\\gamma$ Decay Asymmetry and Branching Fraction  

E-Print Network [OSTI]

In data taken with the NA48 experiment at the CERN SPS in 1999, 730 candidates of the weak radiative hyperon decay Xi0 -> Lambda gamma have been found with an estimated background of 58 +- 8 events. From these events the Xi0 -> Lambda gamma decay asymmetry has been determined to alpha(Xi0 -> Lambda gamma) = -0.78 +- 0.18_stat +- 0.06_syst, which is the first evidence of a decay asymmetry in Xi0 -> Lambda gamma. The branching fraction of the decay has been measured to be Br(Xi0 -> Lambda gamma) = (1.16 +- 0.05_stat +- 0.06_syst) x 10^-3.

Lai, A; Bevan, A; Dosanjh, R S; Gershon, T J; Hay, B; Kalmus, George Ernest; Lazzeroni, C; Munday, D J; Olaiya, E; Parker, M A; White, T O; Wotton, S A; Barr, G; Bocquet, G; Ceccucci, Augusto; Çuhadar-Dönszelmann, T; Cundy, Donald C; D'Agostini, Giulio; Doble, Niels T; Falaleev, V P; Gatignon, L; Gonidec, A; Gorini, B; Govi, G; Grafström, P; Kubischta, Werner; Lacourt, A; Norton, A; Palestini, S; Panzer-Steindel, B; Taureg, Hans; Velasco, M; Wahl, H; Cheshkov, C; Gaponenko, A N; Khristov, P Z; Kekelidze, V D; Madigozhin, D T; Molokanova, N A; Potrebenikov, Yu K; Tatishvili, G T; Tkachev, A L; Zinchenko, A I; Knowles, I; Martin, V; Sacco, R; Walker, A; Contalbrigo, M; Dalpiaz, Pietro; Duclos, J; Frabetti, P L; Gianoli, A; Martini, M; Petrucci, F; Savrié, M; Bizzeti, A; Calvetti, M; Collazuol, G; Graziani, G; Iacopini, E; Lenti, M; Martelli, F; Veltri, M; Becker, H G; Eppard, K; Eppard, M; Fox, H; Kalter, A; Kleinknecht, K; Koch, U; Köpke, L; Lopes da Silva, P; Marouelli, P; Pellmann, I A; Peters, A; Renk, B; Schmidt, S A; Schönharting, V; Schué, Yu; Wanke, R; Winhart, A; Wittgen, M; Chollet, J C; Fayard, L; Iconomidou-Fayard, L; Ocariz, J; Unal, G; Wingerter-Seez, I; Anzivino, Giuseppina; Cenci, P; Imbergamo, E; Lubrano, P; Mestvirishvili, A; Nappi, A; Pepé, M; Piccini, M; Bertanza, L; Carosi, R; Casali, R; Cerri, C; Cirilli, M; Costantini, F; Fantechi, R; Giudici, Sergio; Mannelli, I; Pierazzini, G M; Sozzi, M; Chèze, J B; Cogan, J; De Beer, M; Debu, P; Formica, A; Granier de Cassagnac, R; Mazzucato, E; Peyaud, B; Turlay, René; Vallage, B; Holder, M; Maier, A; Ziolkowski, M; Arcidiacono, R; Biino, C; Cartiglia, N; Guida, R; Marchetto, F; Menichetti, E; Pastrone, N; Nassalski, J P; Rondio, Ewa; Szleper, M; Wislicki, W; Wronka, S; Dibon, Heinz; Fischer, G; Jeitler, Manfred; Markytan, Manfred; Mikulec, I; Neuhofer, Günther; Pernicka, Manfred; Taurok, Anton; Widhalm, L

2004-01-01T23:59:59.000Z

271

First Observation of B+ to rho+ K0 and Measurement of its Branching Fraction and Charge Asymmetry  

SciTech Connect (OSTI)

We present the first observation of the decay B{sup +} {yields} {rho}{sup +}K{sup 0}, using a data sample of 348 fb{sup -1} collected at the {Upsilon}(4S) resonance with the BABAR detector. The branching fraction and charge asymmetry are measured to be (8.0{sub -1.3}{sup +1.4} {+-} 0.5) x 10{sup -6} and (-12.2 {+-} 16.6 {+-} 2.0)%, respectively, where the first uncertainty is statistical and the second is systematic. The significance of the observed branching fraction, including systematic uncertainties, is 7.9 standard deviations.

Aubert, B.

2007-03-06T23:59:59.000Z

272

Growth mechanisms of carbon nanotrees with branched carbon nanofibers synthesized by plasma-enhanced chemical vapour deposition  

E-Print Network [OSTI]

be interesting for future applications in nanoelectronic devices and also composite materials. hal-008807221 Growth mechanisms of carbon nanotrees with branched carbon nanofibers synthesized by plasma , Didier Pribat*, 3 1 State Key Laboratory for Advanced Metals and Materials, University of Science

Boyer, Edmond

273

Interspecific Variability of Biomass Production of Young Coffea: No Influence of Branch Pruning. Experimental Evidence and Theoretical Analysis  

E-Print Network [OSTI]

Interspecific Variability of Biomass Production of Young Coffea: No Influence of Branch Pruning diversity and architectural plasticity. In this study, we investigated the biomass production and allocation treatment had no influence on biomass production and allocation for these young trees. We propose

Boyer, Edmond

274

Large deviations and martingales for a typed branching di usion, 1 Simon C Harris and David Williams  

E-Print Network [OSTI]

Large deviations and martingales for a typed branching di#11;usion, 1 by Simon C Harris and David are rather complicated; and these are only sketched here { see Harris (1995) and Harris and Williams (1995 for a simpler problem in Champneys, Harris, Toland, Warren and Williams (1995); in the present context

Harris, Simon Colin

275

Internal Energy Dependence of the H + Allene/H + Propyne Product Branching from the Unimolecular Dissociation of 2-Propenyl Radicals  

E-Print Network [OSTI]

Internal Energy Dependence of the H + Allene/H + Propyne Product Branching from the Unimolecular product channels as a function of internal energy in the dissociating radical isomer. The data resolve with internal energy to the two isomeric product channels: Based on energetic considerations alone, one expects

Butler, Laurie J.

276

3D branched nanowire heterojunction photoelectrodes for high-efficiency solar water splitting and H2 generation  

E-Print Network [OSTI]

, it is essential to find a cost-effective and clean method for mass production of hydrogen.6 Techniques for directly con- verting water to hydrogen using solar energy, known as photo- electrolysis, are receiving dimensional branched ZnO/Si heterojunction nanowire array by a two-step, wafer-scale, low-cost, solution

Wang, Deli

277

Data Summary Report for the 1997 Semiannual Tritium Survey for Fourmile Branch and the F- and H-Area Seeplines  

SciTech Connect (OSTI)

This report presents a summary of the definitive data validation and verification for the 1997 RFI/RI semiannual tritium survey for Fourmile Branch and the F- and H-Area Seeplines. The RFI/RI was performed under the direction of WSRC ESS/Ecology. This report was prepared under the direction EPD/EMS.

Koch, J.W. II

1998-01-05T23:59:59.000Z

278

Data Summary Report for the Semiannual Tritium Survey for Fourmile Branch and the F- and H-Area Seeplines  

SciTech Connect (OSTI)

This report presents a summary of the definitive data validation and verification for the Semiannual Tritium Survey for Fourmile Branch and the F- and H-Area Seeplines. The survey was performed at the request of the WSRC ERD and conducted by WSRC/ESS. This report was prepared under the direction of EPD/EMS.

Koch, J. II [Westinghouse Savannah River Company, AIKEN, SC (United States) Exploration Resources

1996-12-16T23:59:59.000Z

279

Evolution of the dust mass loss with luminosity along the giant branch of the globular cluster 47 Tuc  

E-Print Network [OSTI]

The paper investigates the properties of the dust mass loss in stars populating the giant branch of the globular cluster 47 Tuc, by combining ISOCAM and DENIS data. Raster maps of 5 fields covering areas ranging from 4 x 4 to 15 x 15 arcmin2 at different distances from the center of the cluster have been obtained with ISOCAM at 11.5 mum (LW10 filter). The covered fields include most of the red variables known in this cluster. A detection threshold of about 0.2 mJy is achieved, allowing to detect giant stars at 11.5 mum all the way down to the horizontal branch. No dust-enshrouded asymptotic giant branch stars have been found in the observed fields, contrary to the situation encountered in LMC/SMC globular clusters with larger turnoff masses. The color index [12]-[2] (based on the ISO 11.5 mum flux and on the DENIS Ks magnitude) is used as a diagnostic of dust emission (and hence dust mass loss). Its evolution with luminosity along the giant branch reveals that dust mass loss is only present in V3 (the only cluster Mira variable observed in the present study) and in V18, a star presenting intermittent variability. This conclusion confirms the importance of stellar pulsations in the dust formation and ensuing mass loss.

A. Ramdani; A. Jorissen

2001-05-02T23:59:59.000Z

280

8.4 White Dwarfs As an asymptotic giant branch star becomes larger and more luminous, the  

E-Print Network [OSTI]

8.4 White Dwarfs As an asymptotic giant branch star becomes larger and more luminous, the rate is the reminant core, the white dwarf. Our knowledge of white dwarfs began in 1850 with the discovery be both hot and faint was for Sirius B to be very, very small, and so they were called white dwarf stars

Peletier, Reynier

Note: This page contains sample records for the topic "walker branch throughfall" from the National Library of EnergyBeta (NLEBeta).
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they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


281

Economic and Conservation Evaluation of Capital Renovation Projects: Hidalgo County Irrigation District No. 1 (Edinburg) - North Branch / East Main - Final  

E-Print Network [OSTI]

American Development Bank. The proposed project involves installing 4.83 miles of multi-size pipeline to replace a segment of the North Branch / East Main canal. Both nominal and real estimates of water and energy savings and expected economic and financial...

Rister, M. Edward; Lacewell, Ronald D.; Sturdivant, Allen W.; Robinson, John R.C.; Popp, Michael C.

282

A COST-EFFECTIVE TWO-LEVEL ADAPTIVE BRANCH PREDICTOR STEVEN, G. B., EGAN, C., SHIM, W. VINTAN, L.  

E-Print Network [OSTI]

" of Sibiu Hatfield, Hertfordshire, U.K. Seoul, Korea Sibiu-2400, Romania AL10 9AB 139-743 email: G accuracy of between 80 to 95% [1]. More recently, the advent of superscalar processors has given renewed are far more costly on a superscalar processor. This renewed interest in branch prediction led

Vintan, Lucian N.

283

Development of a branch and price approach involving vertex cloning to solve the maximum weighted independent set problem  

E-Print Network [OSTI]

We propose a novel branch-and-price (B&P) approach to solve the maximum weighted independent set problem (MWISP). Our approach uses clones of vertices to create edge-disjoint partitions from vertex-disjoint partitions. We solve the MWISP on sub...

Sachdeva, Sandeep

2006-04-12T23:59:59.000Z

284

Measurement of the Branching fraction ratio B ---> D K / B ---> D pi with the CDF II detector  

SciTech Connect (OSTI)

In this thesis the author has described the first measurement performed at a hadron collider of the branching fraction of the Cabibbo-suppressed mode B{sup +} {yields} {bar D}{sup 0} K{sup +}. The analysis has been performed with 360 pb{sup -1} of data collected by the CDF II detector.

Squillacioti, Paola; /INFN, Pisa /Siena U.

2006-11-01T23:59:59.000Z

285

A Single Transition State Serves Two Mechanisms. The Branching Ratio for CH2O-+ CH3Cl on Improved Potential Energy Surfaces  

E-Print Network [OSTI]

for this reaction has been studied by ab initio molecular dynamics (AIMD). The energies of transition states change of the potential energy surface around the transition state may vary the branching ratioA Single Transition State Serves Two Mechanisms. The Branching Ratio for CH2O·- + CH3Cl on Improved

Schlegel, H. Bernhard

286

Applying Decay Strategies to Branch Predictors for Leakage Energy Savings Zhigang Hu y Philo Juang y Kevin Skadron z Doug Clark Margaret Martonosi y  

E-Print Network [OSTI]

Applying Decay Strategies to Branch Predictors for Leakage Energy Savings Zhigang Hu y Philo Juang process, leakage energy starts to become a major concern, especially for large on­chip array structures to consider applying decay techniques, which can reduce leak­ age energy for caches, to the branch

Martonosi, Margaret

287

Identification of rainfall interception model parameters from measurements of throughfall and forest canopy storage  

E-Print Network [OSTI]

and forest canopy storage Jasper A. Vrugt Institute for Biodiversity and Ecosystem Dynamics, University

Vrugt, Jasper A.

288

Measuring the branching ratio of the rare decay pi0 --> e+ e-  

SciTech Connect (OSTI)

A precise branching ratio measurement of the rare decay {pi}{sup 0} {yields} e{sup +}e{sup -} has been made. The measurement was made with the rare kaon decay experiment KTeV at Fermilab where the source of {pi}{sup 0}s was K{sub L} {yields} {pi}{sup 0}{pi}{sup 0}{pi}{sup 0} decaying in flight. A total of 794 fully reconstructed K{sub L} {yields} 3{pi}{sup 0} events consistent with two of the intermediate {pi}{sup 0}s decaying into {gamma}{gamma} and one into e{sup +}e{sup -} were collected. An estimated 53.2 {+-} 11.0 of these events were expected to be background. Normalizing to the {pi}{sup 0} Dalitz decay they found Br({pi}{sup 0} {yields} e{sup +}e{sup -}, (m{sub e{sup +}e{sup -}}/m{sub {pi}{sup 0}}){sup 2} > 0.95) = (6.44 {+-} 0.25(stat) {+-} 0.22(syst)) x 10{sup -8} where internal radiation, {pi}{sup 0} {yields} e{sup +}e{sup -}({gamma}), was limited by the requirement (m{sub e{sup +}e{sup -}}/m{sub {pi}{sup 0}}){sup 2} > 0.95 which separated it from the tree level Dalitz decay, {pi}{sup 0} {yields} e{sup +}e{sup -}P{gamma}.

Niclasen, Rune; /Colorado U.

2006-02-01T23:59:59.000Z

289

Helium enhancements in globular cluster stars from Asymptotic Giant Branch star pollution  

E-Print Network [OSTI]

Using a chemical evolution model we investigate the intriguing suggestion that there are populations of stars in some globular clusters (e.g. NGC 2808, omega Centauri) with enhanced levels of helium (Y from about 0.28 to 0.40) compared to the majority of the population that presumably have a primordial helium abundance. We assume that a previous generation of massive low-metallicity Asymptotic Giant Branch (AGB) stars has polluted the cluster gas via a slow stellar wind. We use two independent sets of AGB yields computed from detailed models to follow the evolution of helium, carbon, nitrogen and oxygen in the cluster gas using a Salpeter initial mass function (IMF) and a number of top-heavy IMFs. In no case were we able to fit the observational constraints, Y > 0.30 and C+N+O approximately constant. Depending on the shape of the IMF and the yields, we either obtained Y approximately greater than 0.30 and large increases in C+N+O or Y < 0.30 and C+N+O approximately constant. These results suggest that either AGB stars alone are not responsible for the large helium enrichment or that any dredge-up from this generation of stars was less than predicted by standard models.

Amanda Karakas; Yeshe Fenner; Alison Sills; Simon Campbell; John Lattanzio

2006-05-21T23:59:59.000Z

290

Measurement of the branching fraction for $\\tau\\to\\eta K\  

SciTech Connect (OSTI)

The authors report on analyses of tau lepton decays {tau}{sup -} {yields} {eta}K{sup -}{nu}{sub {tau}} and {tau}{sup -} {yields} {eta}{pi}{sup -}{nu}{sub {tau}}, with {eta} {yields} {pi}{sup +}{pi}{sup -}{pi}{sup 0}, using 470 fb{sup -1} of data from the BABAR experiment at PEP-II, collected at center-of-mass energies at and near the {Upsilon}(4S) resonance. They measure the branching fraction for the {tau}{sup -} {yields} {eta}K{sup -}{nu}{sub {tau}} decay mode, {Beta}({tau}{sup -} {yields} {eta}K{sup -}{nu}{sub {tau}}) = (1.42 {+-} 0.11(stat) {+-} 0.07(syst)) x 10{sup -4}, and report a 95% confidence level upper limit for the second-class current process {tau}{sup -} {yields} {eta}{pi}{sup -}{nu}{sub {tau}}, {Beta}({tau}{sup -} {yields} {eta}{pi}{sup -}{nu}{sub {tau}}) < 9.9 x 10{sup -5}.

del Amo Sanchez, P.; Lees, J.P.; Poireau, V.; Prencipe, E.; Tisserand, V.; /Annecy, LAPP; Garra Tico, J.; Grauges, E.; /Barcelona U., ECM; Martinelli, M.; Palano, A.; Pappagallo, M.; /INFN, Bari /Bari U.; Eigen, G.; Stugu, B.; Sun, L.; /Bergen U.; Battaglia, M.; Brown, D.N.; Hooberman, B.; Kerth, L.T.; Kolomensky, Yu.G.; Lynch, G.; Osipenkov, I.L.; Tanabe, T.; /UC, Berkeley /Birmingham U. /Ruhr U., Bochum /British Columbia U. /Brunel U. /Novosibirsk, IYF /UC, Irvine /UC, Riverside /UC, Santa Barbara /UC, Santa Cruz /Caltech /Cincinnati U. /Colorado U. /Colorado State U. /Dortmund U. /Dresden, Tech. U. /Ecole Polytechnique /Edinburgh U. /INFN, Ferrara /Ferrara U. /INFN, Ferrara /INFN, Ferrara /Ferrara U. /INFN, Ferrara /Frascati /INFN, Genoa /Genoa U. /INFN, Genoa /INFN, Genoa /Genoa U. /INFN, Genoa /INFN, Genoa /Genoa U. /Indian Inst. Tech., Guwahati /Harvard U. /Heidelberg U. /Humboldt U., Berlin /Imperial Coll., London /Iowa State U. /Iowa State U. /Johns Hopkins U. /Paris U., VI-VII /LLNL, Livermore /Liverpool U. /Queen Mary, U. of London /Royal Holloway, U. of London /Royal Holloway, U. of London /Louisville U. /Mainz U., Inst. Kernphys. /Manchester U. /Maryland U. /Massachusetts U., Amherst /MIT /McGill U. /INFN, Milan /Milan U. /INFN, Milan /INFN, Milan /Milan U. /Mississippi U. /Montreal U. /INFN, Naples /Naples U. /NIKHEF, Amsterdam /NIKHEF, Amsterdam /Notre Dame U. /Ohio State U. /Oregon U. /INFN, Padua /Padua U. /INFN, Padua /INFN, Padua /Padua U. /Paris U., VI-VII /INFN, Perugia /Perugia U. /INFN, Pisa /Pisa U. /INFN, Pisa /Pisa, Scuola Normale Superiore /INFN, Pisa /Pisa U. /INFN, Pisa /Princeton U. /INFN, Rome /INFN, Rome /Rome U. /INFN, Rome /INFN, Rome /Rome U. /INFN, Rome /INFN, Rome /Rome U. /INFN, Rome /INFN, Rome /Rome U. /Rostock U. /Rutherford /DAPNIA, Saclay /SLAC /South Carolina U. /Southern Methodist U. /Stanford U., Phys. Dept. /SUNY, Albany /Tel Aviv U. /Tennessee U. /Texas U. /Texas U., Dallas /INFN, Turin /Turin U. /INFN, Trieste /Trieste U. /Valencia U. /Victoria U. /Warwick U. /Wisconsin U., Madison

2011-08-12T23:59:59.000Z

291

THE FIRST FLUORINE ABUNDANCE DETERMINATIONS IN EXTRAGALACTIC ASYMPTOTIC GIANT BRANCH CARBON STARS  

SciTech Connect (OSTI)

Fluorine ({sup 19}F) abundances (or upper limits) are derived in six extragalactic asymptotic giant branch (AGB) carbon stars from the HF(1-0) R9 line at 2.3358 {mu}m in high-resolution spectra. The stars belong to the Local Group galaxies, Large Magellanic Cloud, Small Magellanic Cloud, and Carina dwarf spheroidal, spanning more than a factor of 50 in metallicity. This is the first study to probe the behavior of F with metallicity in intrinsic extragalactic C-rich AGB stars. Fluorine could be measured only in four of the target stars, showing a wide range in F enhancements. Our F abundance measurements together with those recently derived in Galactic AGB carbon stars show a correlation with the observed carbon and s-element enhancements. The observed correlations, however, display a different dependence on the stellar metallicity with respect to theoretical predictions in low-mass, low-metallicity AGB models. We briefly discuss the possible reasons for this discrepancy. If our findings are confirmed in a larger number of metal-poor AGBs, the issue of F production in AGB stars will need to be revisited.

Abia, C.; Cristallo, S.; Dominguez, I. [Dpto. Fisica Teorica y del Cosmos, Universidad de Granada, 18071 Granada (Spain); Cunha, K.; Smith, V. V. [National Optical Astronomy Observatory, P.O. Box 26732, Tucson, AZ 85726 (United States); De Laverny, P.; Recio-Blanco, A. [University of Nice-Sophia Antipolis, CNRS (UMR 6202), Cassiopee, Observatoire de la Cote d'Azur, B.P. 4229, 06304 Nice Cedex 4 (France); Straniero, O., E-mail: cabia@ugr.es [INAF-Osservatorio di Collurania, 64100 Teramo (Italy)

2011-08-10T23:59:59.000Z

292

Dynamos in Asymptotic-Giant-Branch Stars As the Origin of Magnetic Fields Shaping Planetary Nebulale  

E-Print Network [OSTI]

Planetary nebulae are thought to be formed when a slow wind from the progenitor giant star is overtaken by a subsequent fast wind generated as the star enters its white dwarf stage$^{1}$. A shock forms near the boundary between the winds, which creates a relatively dense shell that provides the characteristic appearance of a planetary nebula. A spherically symmetric wind will produce a spherically symmetric shell, yet over half of known planetary nebulae are not spherical; rather, they are elliptical or bipolar in shape$^{2}$. While a magnetic field could launch and collimate a bipolar outflow, the origin of such a field has hitherto been unclear, as previous work suggested that a field could not be generated${^3}$. Here we show that an asymptotic-giant-branch (AGB) star can indeed generate a strong magnetic field, in a dynamo at the interface between a rapidly rotating core and the more slowly rotating envelope of the star. The field is strong enough to shape the bipolar outflows that produce the observed bipolar planetary nebulae. Magnetic braking of the stellar core during this process may also explain the puzzlingly$^{4}$ slow rotation of most white dwarf stars.

Eric G. Blackman; Adam Frank; J. Andrew Markiel; John H. Thomas; Hugh M. Van Horn

2001-01-27T23:59:59.000Z

293

Determination of the 242Pu Branching Ratio via Alpha-Gamma Coincidence  

SciTech Connect (OSTI)

When the burn-up is high, the {sup 242}Pu isotopic content becomes more important. The traditional correlation method will fail. The {sup 242}Pu isotopic content in the sample plays an essential role if the neutron coincidence method is used to quantify the total amount of plutonium. In one of the earlier measurements we had a chance to measure an isotopic pure (> 99.95 %) {sup 242}Pu thick sample and realized that the difference in the branching ratio (BR) value among current nuclear data3) for the two important gamma-rays at 103.5-keV and 158.8-keV. In this study, the thick sample was counted on a 15% ORTEC safeguards type HPGe to further improve BR determination of the 159-keV gamma-ray. Furthermore, we have made a thin {sup 242}Pu sample from the thick sample and performed alpha-gamma coincidence measurements. Our preliminary gamma-ray BR results are 4.37(6) E-4, 2.79(8) E-5, and 2.25(8) E-6 for 44.9-keV, 103.5-keV, and 158.9-keV, respectively.

Wang, T F

2012-05-24T23:59:59.000Z

294

Population Effects on the Metallicity Distribution Function Derived From the Red Giant Branch  

E-Print Network [OSTI]

We have tested the reliability of the red giant branch (RGB) as a metallicity indicator accounting for observational errors as well as the complexity of star formation histories (SFHs) and chemical evolution histories observed in various stellar systems. We generate model color-magnitude diagrams (CMDs) produced with a variety of evolutionary histories and compare the resultant metallicity estimates from the colors and magnitudes of RGB stars to the true input metallicities. We include realistic models for photometric errors and completeness in our synthetic CMDs. As expected, for simple simple stellar populations dominated by old stars, the RGB provides a very accurate estimate of the modular metallicity value for a population. An error in the age of a system targeted for this type of study may produce metallicity errors of a few tenths of a dex. The size of this metallicity error depends linearly on the age error, and we find this dependence to be stronger with more precise photometry. If the population has...

Ordoñez, Antonio J

2015-01-01T23:59:59.000Z

295

Branching fraction and charge asymmetry measurements in B{yields}J/{psi}{pi}{pi} decays  

SciTech Connect (OSTI)

We study the decays B{sup 0}{yields}J/{psi}{pi}{sup +}{pi}{sup -} and B{sup +}{yields}J/{psi}{pi}{sup +}{pi}{sup 0}, including intermediate resonances, using a sample of 382x10{sup 6} BB pairs recorded by the BABAR detector at the PEP-II e{sup +}e{sup -} B factory. We measure the branching fractions B(B{sup 0}{yields}J/{psi}{rho}{sup 0})=(2.7{+-}0.3{+-}0.2)x10{sup -5} and B(B{sup +}{yields}J/{psi}{rho}{sup +})=(5.0{+-}0.7{+-}0.3)x10{sup -5}. We also set the following upper limits at the 90% confidence level: B(B{sup 0}{yields}J/{psi}{pi}{sup +}{pi}{sup -} nonresonant)<1.2x10{sup -5}, B(B{sup 0}{yields}J/{psi}f{sub 2})<4.6x10{sup -6}, and B(B{sup +}{yields}J/{psi}{pi}{sup +}{pi}{sup 0} nonresonant)<7.3x10{sup -6}. We measure the charge asymmetry in charged B decays to J/{psi}{rho} to be -0.11{+-}0.12{+-}0.08.

Aubert, B.; Bona, M.; Boutigny, D.; Karyotakis, Y.; Lees, J. P.; Poireau, V.; Prudent, X.; Tisserand, V.; Zghiche, A. [Laboratoire de Physique des Particules, IN2P3/CNRS et Universite de Savoie, F-74941 Annecy-Le-Vieux (France); Garra Tico, J.; Grauges, E. [Universitat de Barcelona, Facultat de Fisica, Departament ECM, E-08028 Barcelona (Spain); Lopez, L.; Palano, A. [Universita di Bari, Dipartimento di Fisica and INFN, I-70126 Bari (Italy); Eigen, G.; Ofte, I.; Stugu, B.; Sun, L. [University of Bergen, Institute of Physics, N-5007 Bergen (Norway); Abrams, G. S.; Battaglia, M.; Brown, D. N. [Lawrence Berkeley National Laboratory and University of California, Berkeley, California 94720 (United States)] (and others)

2007-08-01T23:59:59.000Z

296

New antineutrino energy spectra predictions from the summation of beta decay branches of the fission products  

E-Print Network [OSTI]

In this paper, we study the impact of the inclusion of the recently measured beta decay properties of the $^{102;104;105;106;107}$Tc, $^{105}$Mo, and $^{101}$Nb nuclei in an updated calculation of the antineutrino energy spectra of the four fissible isotopes $^{235, 238}$U, and $^{239,241}$Pu. These actinides are the main contributors to the fission processes in Pressurized Water Reactors. The beta feeding probabilities of the above-mentioned Tc, Mo and Nb isotopes have been found to play a major role in the $\\gamma$ component of the decay heat of $^{239}$Pu, solving a large part of the $\\gamma$ discrepancy in the 4 to 3000\\,s range. They have been measured using the Total Absorption Technique (TAS), avoiding the Pandemonium effect. The calculations are performed using the information available nowadays in the nuclear databases, summing all the contributions of the beta decay branches of the fission products. Our results provide a new prediction of the antineutrino energy spectra of $^{235}$U, $^{239,241}$Pu and in particular of $^{238}$U for which no measurement has been published yet. We conclude that new TAS measurements are mandatory to improve the reliability of the predicted spectra.

M. Fallot; S. Cormon; M. Estienne; A. Algora; V. M. Bui; A. Cucoanes; M. Elnimr; L. Giot; D. Jordan; J. Martino; A. Onillon; A. Porta; G. Pronost; A. Remoto; J. L. Taín; F. Yermia; A. -A. Zakari-Issoufou

2012-09-13T23:59:59.000Z

297

Overexpression of Robo2 causes defects in the recruitment of metanephric mesenchymal cells and ureteric bud branching morphogenesis  

SciTech Connect (OSTI)

Highlights: Black-Right-Pointing-Pointer Overexpression of Robo2 caused reduced UB branching and glomerular number. Black-Right-Pointing-Pointer Fewer MM cells surrounding the UB after overexpression of Robo2 in vitro. Black-Right-Pointing-Pointer No abnormal Epithelial Morphology of UB or apoptosis of mm cells in the kidney. Black-Right-Pointing-Pointer Overexpression of Robo2 affected MM cells migration and caused UB deficit. Black-Right-Pointing-Pointer The reduced glomerular number can also be caused by fewer MM cells. -- Abstract: Roundabout 2 (Robo2) is a member of the membrane protein receptor family. The chemorepulsive effect of Slit2-Robo2 signaling plays vital roles in nervous system development and neuron migration. Slit2-Robo2 signaling is also important for maintaining the normal morphogenesis of the kidney and urinary collecting system, especially for the branching of the ureteric bud (UB) at the proper site. Slit2 or Robo2 mouse mutants exhibit multilobular kidneys, multiple ureters, and dilatation of the ureter, renal pelvis, and collecting duct system, which lead to vesicoureteral reflux. To understand the effect of Robo2 on kidney development, we used microinjection and electroporation to overexpress GFP-Robo2 in an in vitro embryonic kidney model. Our results show reduced UB branching and decreased glomerular number after in vitro Robo2 overexpression in the embryonic kidneys. We found fewer metanephric mesenchymal (MM) cells surrounding the UB but no abnormal morphology in the branching epithelial UB. Meanwhile, no significant change in MM proliferation or apoptosis was observed. These findings indicate that Robo2 is involved in the development of embryonic kidneys and that the normal expression of Robo2 can help maintain proper UB branching and glomerular morphogenesis. Overexpression of Robo2 leads to reduced UB branching caused by fewer surrounding MM cells, but MM cell apoptosis is not involved in this effect. Our study demonstrates that overexpression of Robo2 by microinjection in embryonic kidneys is an effective approach to study the function of Robo2.

Ji, Jiayao [Institute of Nephrology, State Key Laboratory of Kidney Disease (2011DAV00088), The Chinese PLA General Hospital, Beijing 100853 (China) [Institute of Nephrology, State Key Laboratory of Kidney Disease (2011DAV00088), The Chinese PLA General Hospital, Beijing 100853 (China); Medical College of NanKai University, Tianjin (China); Li, Qinggang; Xie, Yuansheng; Zhang, Xueguang; Cui, Shaoyuan; Shi, Suozhu [Institute of Nephrology, State Key Laboratory of Kidney Disease (2011DAV00088), The Chinese PLA General Hospital, Beijing 100853 (China)] [Institute of Nephrology, State Key Laboratory of Kidney Disease (2011DAV00088), The Chinese PLA General Hospital, Beijing 100853 (China); Chen, Xiangmei, E-mail: xmchen301@126.com [Institute of Nephrology, State Key Laboratory of Kidney Disease (2011DAV00088), The Chinese PLA General Hospital, Beijing 100853 (China) [Institute of Nephrology, State Key Laboratory of Kidney Disease (2011DAV00088), The Chinese PLA General Hospital, Beijing 100853 (China); Medical College of NanKai University, Tianjin (China)

2012-05-11T23:59:59.000Z

298

Operational restoration of the Pen Branch bottomland hardwood and swamp wetlands - the research setting  

SciTech Connect (OSTI)

The Savannah River Swamp is a 3020 Ha forested wetland on the floodplain of the Savannah River and is located on the Department of Energy's Savannah River Site (SRS) near Aiken, SC. Historically the swamp consisted of approximately 50 percent bald cypress-water tupelo stands, 40 percent mixed bottomland hardwood stands, and 10 percent shrub, marsh, and open water. Creek corridors were typical of Southeastern bottomland hardwood forests. The hydrology was controlled by flooding of the Savannah River and by flow from four creeks that drain into the swamp prior to flow into the Savannah River. Upstream dams have caused some alteration of the water levels and timing of flooding within the floodplain. Major impacts to the swamp hydrology occurred with the completion of the production reactors and one coal-fired powerhouse at the SRS in the early 1950's. Water was pumped from the Savannah River, through secondary heat exchangers of the reactors, and discharged into three of the tributary streams that flow into the swamp. Flow in one of the tributaries, Pen Branch, was typically 0.3 m3 s-1 (10-20) cfs prior to reactor pumping and 11.0 m3 s-1 (400 cfs) during pumping. This continued from 1954 to 1988 at various levels. The sustained increases in water volume resulted in overflow of the original stream banks and the creation of additional floodplains. Accompanying this was considerable erosion of the original stream corridor and deposition of a deep silt layer on the newly formed delta. Heated water was discharged directly into Pen Branch and water temperature in the stream often exceeded 65 degrees C. The nearly continuous flooding of the swamp, the thermal load of the water, and the heavy silting resulted in complete mortality of the original vegetation in large areas of the floodplain. In the years since pumping was reduced, early succession has begun in some affected areas. Most of this has been herbs, grasses, and shrubs. Areas that have seedlings are generally willow thickets that support a lower diversity of wildlife. No volunteer seedlings of heavy-seeded hardwoods or cypress have been found in the corridor areas. Research was conducted to determine methods to reintroduce tree species characteristic of more mature forested wetlands. Three restoration strategies were formulated to deal with the differing conditions of the Upper Corridor, the Lower Corridor, and the Delta regions of the impacted area. Site preparation and planting of each area with mixtures of tree species were carried out to speed the restoration of the ecosystem. Species composition and selection were altered based on the current and expected hydrological regimes that the reforestation areas will be experiencing. Because of the operational design of the restoration project, a research program naturally followed to document the success. Many of those efforts are detailed here.

Nelson, E.A.

2000-01-05T23:59:59.000Z

299

Electron-capture supernovae of super-asymptotic giant branch stars and the Crab supernova 1054  

SciTech Connect (OSTI)

An electron-capture supernova (ECSN) is a core-collapse supernova explosion of a super-asymptotic giant branch (SAGB) star with a main-sequence mass M{sub Ms} ? 7 - 9.5M{sub ?}. The explosion takes place in accordance with core bounce and subsequent neutrino heating and is a unique example successfully produced by first-principle simulations. This allows us to derive a first self-consistent multicolor light curves of a core-collapse supernova. Adopting the explosion properties derived by the first-principle simulation, i.e., the low explosion energy of 1.5 × 10{sup 50} erg and the small {sup 56}Ni mass of 2.5 × 10{sup ?3} M{sub ?}, we perform a multigroup radiation hydrodynamics calculation of ECSNe and present multicolor light curves of ECSNe of SAGB stars with various envelope mass and hydrogen abundance. We demonstrate that a shock breakout has peak luminosity of L ? 2 × 10{sup 44} erg s{sup ?1} and can evaporate circumstellar dust up to R ? 10{sup 17} cm for a case of carbon dust, that plateau luminosity and plateau duration of ECSNe are L ? 10{sup 42} erg s{sup ?1} and {sup t} ? 60 - 100 days, respectively, and that a plateau is followed by a tail with a luminosity drop by ? 4 mag. The ECSN shows a bright and short plateau that is as bright as typical Type II plateau supernovae, and a faint tail that might be influenced by spin-down luminosity of a newborn pulsar. Furthermore, the theoretical models are compared with ECSN candidates: SN 1054 and SN 2008S. We find that SN 1054 shares the characteristics of the ECSNe. For SN 2008S, we find that its faint plateau requires a ECSN model with a significantly low explosion energy of E ? 10{sup 48} erg.

Nomoto, Ken'ichi [Kavli Institute for Physics and Mathematics of the Universe (WPI), The University of Tokyo, Kashiwa, Chiba 277-8583 (Japan); Tominaga, Nozomu [Department of Physics, Faculty of Science and Engineering, Konan University, 8-9-1 Okamoto, Kobe, Hyogo 658-8501, Japan and Kavli Institute for Physics and Mathematics of the Universe (WPI), The University of Tokyo, Kashiwa, Chiba 277-8583 (Japan); Blinnikov, Sergei I. [Institute for Theoretical and Experimental Physics (ITEP), Moscow 117218, Russia and Kavli Institute for Physics and Mathematics of the Universe (WPI), The University of Tokyo, Kashiwa, Chiba 277-8583 (Japan)

2014-05-02T23:59:59.000Z

300

Do Coupled Climate Models Correctly SImulate the Upward Branch of the Deept Ocean Global Conveyor?  

SciTech Connect (OSTI)

The large-scale meridional overturning circulation (MOC) connects the deep ocean, a major reservoir of carbon, to the other components of the climate system and must therefore be accurately represented in Earth System Models. Our project aims to address the specific question of the pathways and mechanisms controlling the upwelling branch of the MOC, a subject of significant disagreement between models and observational syntheses, and among general circulation models. Observations of these pathways are limited, particularly in regions of complex hydrography such as the Southern Ocean. As such, we rely on models to examine theories of the overturning circulation, both physically and biogeochemically. This grant focused on a particular aspect of the meridional overturning circulation (MOC) where there is currently significant disagreement between models and observationally based analyses of the MOC, and amongst general circulation models. In particular, the research focused on addressing the following questions: 1. Where does the deep water that sinks in the polar regions rise to the surface? 2. What processes are responsible for this rise? 3. Do state-of-the-art coupled GCMs capture these processes? Our research had three key components: observational synthesis, model development and model analysis. In this final report we outline the key results from these areas of research for the 2007 to 2012 grant period. The research described here was carried out primarily by graduate student, Daniele Bianchi (now a Postdoc at McGill University, Canada), and Postdoc Stephanie Downes (now a Research Fellow at The Australian national University, Australia). Additional support was provided for programmers Jennifer Simeon as well as Rick Slater.

Sarmiento, Jorge L; Downes, Stephanie; Bianchi, Daniele

2013-01-17T23:59:59.000Z

Note: This page contains sample records for the topic "walker branch throughfall" from the National Library of EnergyBeta (NLEBeta).
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301

Mark Walker Director of Public Affairs  

E-Print Network [OSTI]

to a significant extent by oil prices, and the U.S. Energy Information Administration's oil supply forecasts countries. The authors of the report acknowledge on page 14, that retail price forecasts of world oil are based on simple historical relationships between wholesale oil prices and retail prices. Forecasting

302

Mark Walker Director of Public Affairs  

E-Print Network [OSTI]

pipelines and it burns cleanly. This makes it a great fuel for home heating, cooking, and hot water used for home heating. Let the needs of electrical power be generated by hydro, coal or nuclear

303

December 12, 2003 Mr. Mark Walker  

E-Print Network [OSTI]

not recovered from it, and cannot afford another period of dysfunction in the wholesale power market. #12 volatile wholesale market. Another source of vulnerability arises from the asymmetric nature on either a highly variable hydro base or a volatile wholesale market. Rather, its financial vulnerability

304

November 19, 2004 Mr. Mark Walker  

E-Print Network [OSTI]

the Council to stick to this strong commitment to clean energy. We are, however, very concerned about the addition of a pulverized coal plant in the Plan. The addition of a pulverized coal plant does not fit

305

Walker, Michigan: Energy Resources | Open Energy Information  

Open Energy Info (EERE)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data CenterFranconia, Virginia:FAQ < RAPID Jump to:Seadov PtyInformationSEDS data JumpWakulla County, Florida:(Redirected

306

Mark Walker Director of Public Affairs  

E-Print Network [OSTI]

(20 years) both to protect the system from interventions from outside the region and to reduce ( ie - WPPSS, Tenaska and Augmentation), with the exception of their conservation acquisition which

307

Mark Walker Director of Public Affairs  

E-Print Network [OSTI]

energy saving efficiencies to qualified low income homeowners. At the time I saw a huge market on a grass roots basis, we are working to provide energy audits that direct ANY homeowner to a lower fuel bill, lower green house gas emissions and any investment that is aimed at reducing consumption so

308

Mark Walker Director of Public Affairs  

E-Print Network [OSTI]

long supported the idaho power green energy program by opting to spend more than teh market rate for receiving only green energy. Let's change our plan to reflect these increased capabilities! These gains be able to get 30- 40% more cost-effective energy efficiency by 2023 than expected. It is critical that we

309

ORISE: Faculty Research Experiences - Dr. Jessie Walker  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear Security Administration the ContributionsArms Control R&DNuclear fuelOPTICS FORJoetheCareers CareerJessie

310

Doreen Walker Consulting | Open Energy Information  

Open Energy Info (EERE)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Office of Inspector GeneralDepartmentAUDIT REPORT Americium/CuriumSunwaysDatang ChifengDhahran,Dongguan YecoolDoreen

311

Mark Walker Director of Public Affairs  

E-Print Network [OSTI]

will produce energy use reductions from 15-30% better than the range of current state energy building codes-effective energy efficiency by 2023 than expected. New Buildings Institute (www.newbuildings.org),where I work-Mart, that is pushing forward to the next efficiency step of a 50% reduction in commercial building energy use

312

Analysis of volatile organic compounds (VOCs) in A/M Area Crouch Branch (Cretaceous) Aquifer characterization samples: 1993  

SciTech Connect (OSTI)

Samples were collected during the A/M Area Crouch Branch (Cretaceous) Aquifer Characterization (Phase I) Program. The samples were analyzed for chlorinated VOCs by the Savannah River Technology Center (SRTC) and MicroSeeps Ltd. All samples were sealed in the field immediately upon retrieval of the core and subsampling. A total of 113 samples locations were selected for analysis. The Environmental Sciences Section (ESS) of SRTC analyzed all locations in duplicate (226 samples). MicroSeeps Ltd was selected as the quality assurance (QA) check laboratory. MicroSeeps Ltd analyzed 40 locations with 4 duplicates (44 samples). The samples were collected from seven boreholes in A/M Area in the interval from 200 feet deep to the total depth of the boring (360 feet deep nominal); samples were collected every 10 feet within this interval. The sampling zone corresponds approximately to the Crouch Branch Aquifer in A/M Area. The overall A/M Area Crouch Branch Aquifer characterization objectives, a brief description of A/M Area geology and hydrology, and the sample locations, field notes, driller lithologic logs, and required procedural documentation are presented in WSRC (1993).

Looney, B.B.; Haselow, J.S.; Keenan, M.A.; Van Pelt, R.; Eddy-Dilek, C.A.; Rossabi, J.; Simmons, J.L.

1993-12-06T23:59:59.000Z

313

Measurements of $\\Lambda^+_c$ Branching Fractions of Cabibbo-Suppressed Decay Modes involving $\\Lambda$ and $\\Sigma^{0}$  

E-Print Network [OSTI]

We measure the branching ratios of the Cabibbo-suppressed decays $\\Lambda^+_c$ $\\to$ $\\Lambda$ $K^+$ and $\\Lambda^+_c$ $\\to$ $\\Sigma^{0}$ $K^+$ %(measured with improved accuracy). relative to the Cabibbo-favored decay modes $\\Lambda^+_c$ $\\to$ $\\Lambda$ $\\pi^+$ and $\\Lambda^+_c$ $\\to$ $\\Sigma^{0}$ $\\pi^+$ to be $ 0.044 \\pm 0.004 ~(\\textnormal{stat.})~ \\pm ~0.003 \\~(\\textnormal{syst.})$ and $ 0.039~ \\pm ~0.005 ~(\\textnormal{stat.})~ \\pm \\~0.003 ~(\\textnormal{syst.})$, respectively. We set an upper limit on the branching ratio at 90 % confidence level for $\\Lambda^+_c$ $\\to$ $\\Lambda$ $K^+ \\pi^+ \\pi^-$ to be $ 4.1 \\times ~10^{-2}$ relative to $\\Lambda^+_c$ $\\to$ $\\Lambda$ $\\pi^+$ and for $\\Lambda^+_c$ $\\to$ $\\Sigma^{0}$ $K^+ \\pi^+ \\pi^-$ to be $ 2.0 \\times ~10^{-2}$ relative to $\\Lambda^+_c$ $\\to$ $\\Sigma^{0}$ $\\pi^+$. We also measure the branching fraction for the Cabibbo-favored mode $\\Lambda^+_c$ $\\to$ $\\Sigma^{0}$ $\\pi^+$ relative to $\\Lambda^+_c$ $\\to$ $\\Lambda$ $\\pi^+$ to be $0.977~ \\pm ~0.015 ~(\\textnorm...

Aubert, B; Abrams, G S; Adye, T; Ahmed, M; Ahmed, S; Alam, M S; Albert, J; Aleksan, Roy; Allen, M T; Allison, J; Allmendinger, T; Altenburg, D; Andreassen, R; Andreotti, M; Angelini, C; Anulli, F; Arnaud, N; Aston, D; Azzolini, V; Baak, M; Back, J J; Baldini-Ferroli, R; Band, H R; Banerjee, S; Barate, R; Bard, D J; Barlow, N R; Barlow, R J; Barrett, M; Bartoldus, R; Batignani, G; Battaglia, M; Bauer, J M; Beck, T W; Behera, P K; Bellini, F; Benayoun, M; Benelli, G; Berger, N; Bernard, D; Berryhill, J W; Best, D; Bettarini, S; Bettoni, D; Bevan, A J; Bhimji, W; Bhuyan, B; Bianchi, F; Biasini, M; Biesiada, J; Blanc, F; Blaylock, G; Blinov, A E; Blinov, V E; Bloom, P C; Blount, N L; Bomben, M; Bondioli, M; Bonneaud, G R; Bosisio, L; Boutigny, D; Bowerman, D A; Boyarski, A M; Boyd, J T; Bozzi, C; Brandenburg, G; Brandt, T; Brau, J E; Breon, A B; Brose, J; Brown, C L; Brown, C M; Brown, D N; Bruinsma, M; Brunet, S; Bucci, F; Buchanan, C; Buchmüller, O L; Bugg, W; Bukin, A D; Bula, R; Bulten, H; Burchat, P R; Burke, J P; Button-Shafer, J; Buzzo, A; Bóna, M; Cahn, R N; Calabrese, R; Calcaterra, A; Calderini, G; Campagnari, C; Capra, R; Carpinelli, M; Cartaro, C; Cavallo, N; Cavoto, G; Cenci, R; Chai, X; Chaisanguanthum, K S; Chao, M; Charles, E; Charles, M J; Chauveau, J; Chavez, C A; Chen, A; Chen, C; Chen, E; Chen, J C; Chen, S; Chen, X; Cheng, B; Cheng, C H; Chia, Y M; Cibinetto, G; Clark, P J; Claus, R; Cochran, J; Coleman, J P; Contri, R; Convery, M R; Cossutti, F; Cottingham, W N; Couderc, F; Covarelli, R; Cowan, G; Cowan, R; Crawley, H B; Cremaldi, L; Cristinziani, M; Cunha, A; Curry, S; Côté, D; D'Orazio, A; Dahmes, B; Dallapiccola, C; Danielson, N; Dasu, S; Datta, M; Dauncey, P D; David, P; Davier, M; Davis, C L; Day, C T; De Groot, N; De Nardo, Gallieno; De Sangro, R; Del Buono, L; Del Re, D; Della Ricca, G; Di Lodovico, F; Di Marco, E; Dickopp, M; Dingfelder, J C; Dittongo, S; Dong, D; Dong, L; Dorfan, J; Druzhinin, V P; Dubitzky, R S; Dubois-Felsmann, G P; Dujmic, D; Dunwoodie, W M; Dvoretskii, A; Eckhart, E A; Eckmann, R; Edgar, C L; Edwards, A J; Egede, U; Eichenbaum, A M; Eigen, G; Eisner, A M; Elmer, P; Emery, S; Ernst, J A; Eschenburg, V; Eschrich, I; Eyges, V; Fabozzi, F; Faccini, R; Fan, S; Feltresi, E; Ferrarotto, F; Ferroni, F; Field, R C; Finocchiaro, G; Flacco, C J; Flack, R L; Flächer, H U; Flood, K T; Ford, K E; Ford, W T; Forster, I J; Forti, F; Fortin, D; Foulkes, S D; Franek, B; Frey, R; Fritsch, M; Fry, J R; Fulsom, B G; Gabathuler, E; Gaidot, A; Gaillard, J R; Galeazzi, F; Gallo, F; Gamba, D; Gamet, R; Gan, K K; Ganzhur, S F; Gary, J W; Gaspero, M; Gatto, C; George, K A; Gill, M S; Giorgi, M A; Giroux, X; Gladney, L; Glanzman, T; Godang, R; Goetzen, K; Golubev, V B; Gopal, G P; Gowdy, S J; Gradl, W; Graham, M T; Grancagnolo, S; Graugès-Pous, E; Graziani, G; Green, M G; Grenier, P; Gritsan, A V; Grosdidier, G; Groysman, Y; Guo, Q H; Hadavand, H K; Hadig, T; Haire, M; Halyo, V; Hamano, K; Hamel de Monchenault, G; Hamon, O; Harrison, P F; Harrison, T J; Hart, A J; Hartfiel, B L; Hast, C; Hauke, A; Hawkes, C M; Hearty, C; Held, T; Hertzbach, S S; Heusch, C A; Hill, E J; Hirschauer, J F; Hitlin, D G; Hodgkinson, M C; Hollar, J J; Hong, T M; Honscheid, K; Hopkins, D A; Hrynóva, T; Hufnagel, D; Hulsbergen, W D; Hutchcroft, D E; Höcker, A; Igonkina, O; Innes, W R; Izen, J M; Jackson, P D; Jackson, P S; Jacobsen, R G; Jawahery, A; Jessop, C P; John, M J J; Johnson, J R; Judd, D; Kadel, R W; Kadyk, J; Kagan, H; Karyotakis, Yu; Kass, R; Kelly, M P; Kelsey, M H; Kerth, L T; Khan, A; Kim, H; Kim, P; Kirkby, D; Kitayama, I; Klose, V; Knecht, N S; Koch, H; Kocian, M L; Koeneke, K; Kofler, R; Kolomensky, Yu G; Kovalskyi, D; Kowalewski, R V; Kozanecki, Witold; Kravchenko, E A; Kreisel, A; Krishnamurthy, M; Kroeger, R; Kroseberg, J; Kukartsev, G; Kutter, P E; Kyberd, P; La Vaissière, C de; Lacker, H M; Lae, C K; Lafferty, G D; Lanceri, L; Lange, D J; Langenegger, U; Lankford, A J; Latham, T E; Latour, E; Lau, Y P; Lazzaro, A; Le Diberder, F R; Lees, J P; Legendre, M; Leith, D W G S; Lepeltier, V; Leruste, P; Lewandowski, B; Li Gioi, L; Li, H; Li, X; Libby, J; Lista, L; Liu, R; Lo Vetere, M; LoSecco, J M; Lockman, W S; Lombardo, V; London, G W; Long, O; Lou, X C; Lu, M; Luitz, S; Lund, P; Luppi, E; Lusiani, A; Lutz, A M; Lynch, G; Lynch, H L; Lü, C; Lüth, V; MacFarlane, D B; Macri, M M; Mader, W F; Majewski, S A; Malcles, J; Mallik, U; Mancinelli, G; Mandelkern, M A; Marchiori, G; Margoni, M; Marks, J; Marsiske, H; Martínez-Vidal, F; Mattison, T S; Mayer, B; Mazur, M A; Mazzoni, M A; McKenna, J A; McMahon, T R; Meadows, B T; Mellado, B; Menges, W; Messner, R; Meyer, W T; Mihályi, A; Minamora, J S; Mir, L M; Mohanty, G B; Mohapatra, A K; Mommsen, R K; Monge, M R; Monorchio, D; Moore, T B; Morandin, M; Morgan, S E; Morganti, M; Morganti, S; Morii, M; Muheim, F

2007-01-01T23:59:59.000Z

314

Dartmouth Stellar Evolution Database and the ACS Survey of Galactic Globular Clusters II. Stellar Evolution Tracks, Isochrones, Luminosity Functions, and Synthetic Horizontal-Branch Models  

DOE Data Explorer [Office of Scientific and Technical Information (OSTI)]

Web tools are also available at the home page (http://stellar.dartmouth.edu/~models/index.html). These tools allow users to create isochrones and convert them to luminosity functions or create synthetic horizontal branch models.

Dotter, A; Chaboyer, B; Jevremovic, D; Kostov, V; Baron, E; Ferguson, J; Sarajedini, A; Anderson, J

315

Electronic quantum effects mapped onto non-Born-Oppenheimer nuclear paths: Nonclassical surmounting over potential barriers and trapping above the transition states due to nonadiabatic path-branching  

SciTech Connect (OSTI)

We develop the path-branching representation for nonadiabatic electron wavepacket dynamics [T. Yonehara and K. Takatsuka, J. Chem. Phys. 132, 244102 (2010)] so as to treat dynamics in an energy range comparable to the barrier height of adiabatic potential energy curves. With this representation two characteristic chemical reaction dynamics are studied, in which an incident nuclear wavepacket encounters a potential barrier, on top of which lies another nonadiabatically coupled adiabatic potential curve: (1) Dynamics of initial paths coming into the nonadiabatic interaction region with energy lower than the barrier height. They branch into two pieces (and repeat branching subsequently), the upper counterparts of which can penetrate into a classically inaccessible high energy region and eventually branch back to the product region on the ground state curve. This is so to say surmounting the potential barrier via nonadiabatically coupled excited state, and phenomenologically looks like the so-called deep tunneling. (2) Dynamics of classical paths whose initial energies are a little higher than the barrier but may be lower than the bottom of the excited state. They can undergo branching and some of those components are trapped on top of the potential barrier, being followed by the population decay down to the lower state flowing both to product and reactant sites. Such expectations arising from the path-branching representation are numerically confirmed with full quantum mechanical wavepacket dynamics. This phenomenon may be experimentally observed as time-delayed pulses of wavepacket trains.

Yamamoto, Kentaro, E-mail: kyamamoto@mns2.c.u-tokyo.ac.jp; Takatsuka, Kazuo, E-mail: kaztak@mns2.c.u-tokyo.ac.jp [Department of Basic Science, The University of Tokyo, Komaba, 153-8902 Tokyo (Japan)] [Department of Basic Science, The University of Tokyo, Komaba, 153-8902 Tokyo (Japan)

2014-03-28T23:59:59.000Z

316

A Measurement of the B ---> Eta/C K Branching Fraction Using the BaBar Detector  

SciTech Connect (OSTI)

The branching fraction is measured for the decay channels B{sup 0} {yields} {eta}{sub c}K{sub S}{sup 0} and B{sup +} {yields} {eta}{sub c}K{sup +} where {eta}{sub c} {yields} K{bar K}{pi}, using the BABAR detector. The {eta}{sub c} {yields} K{sub S}{sup 0}K{sup +}{pi}{sup -} and {eta}{sub c} {yields} K{sup +}K{sup -}{pi}{sup 0} decay channels are used, including non-resonant decays and possibly those through intermediate resonances.

Jackson, Frank; /Manchester U.

2006-04-26T23:59:59.000Z

317

FUNDAMENTAL PARAMETERS, INTEGRATED RED GIANT BRANCH MASS LOSS, AND DUST PRODUCTION IN THE GALACTIC GLOBULAR CLUSTER 47 TUCANAE  

SciTech Connect (OSTI)

Fundamental parameters and time evolution of mass loss are investigated for post-main-sequence stars in the Galactic globular cluster 47 Tucanae (NGC 104). This is accomplished by fitting spectral energy distributions (SEDs) to existing optical and infrared photometry and spectroscopy, to produce a true Hertzsprung-Russell diagram. We confirm the cluster's distance as d = 4611{sup +213}{sub -200} pc and age as 12 {+-} 1 Gyr. Horizontal branch models appear to confirm that no more red giant branch mass loss occurs in 47 Tuc than in the more metal-poor {omega} Centauri, though difficulties arise due to inconsistencies between the models. Using our SEDs, we identify those stars that exhibit infrared excess, finding excess only among the brightest giants: dusty mass loss begins at a luminosity of {approx}1000 L{sub sun}, becoming ubiquitous above L = 2000 L{sub sun}. Recent claims of dust production around lower-luminosity giants cannot be reproduced, despite using the same archival Spitzer imagery.

McDonald, I.; Zijlstra, A. A. [Jodrell Bank Centre for Astrophysics, Alan Turing Building, Manchester, M13 9PL (United Kingdom); Boyer, M. L.; Gordon, K.; Meixner, M.; Sewilo, M.; Shiao, B.; Whitney, B. [STScI, 3700 San Martin Drive, Baltimore, MD 21218 (United States); Van Loon, J. Th. [Lennard-Jones Laboratories, Keele University, ST5 5BG (United Kingdom); Hora, J. L.; Robitaille, T. [Harvard-Smithsonian Center for Astrophysics, 60 Garden Street, MS 65, Cambridge, MA 02138-1516 (United States); Babler, B.; Meade, M. [Department of Astronomy, University of Wisconsin, Madison, 475 North Charter Street, Madison, WI 53706-1582 (United States); Block, M.; Misselt, K., E-mail: iain.mcdonald-2@manchester.ac.uk [Steward Observatory, University of Arizona, 933 North Cherry Avenue, Tuscon, AZ 85721 (United States)

2011-04-01T23:59:59.000Z

318

Hausdorff and packing spectra, large deviations, and free energy for branching random walks in $\\R^d$  

E-Print Network [OSTI]

Consider an $\\R^d$-valued branching random walk (BRW) on a supercritical Galton Watson tree. Without any assumption on the distribution of this BRW we compute, almost surely and simultaneously, the Hausdorff and packing dimensions of the level sets $E(K)$ of infinite branches in the boundary of the tree (endowed with its standard metric) along which the averages of the BRW have a given closed connected set of limit points $K$. This goes beyond multifractal analysis, which only considers those level sets when $K$ ranges in the set of singletons $\\{\\alpha\\}$, $\\alpha\\in\\R^d$. We also give a $0$-$\\infty$ law for the Hausdorff and packing measures of the level sets $E(\\{\\alpha\\})$, and compute the free energy of the associated logarithmically correlated random energy model in full generality. Moreover, our results complete the previous works on multifractal analysis by including the levels $\\alpha$ which do not belong to the range of the gradient of the free energy. This covers in particular a situation until now badly understood, namely the case where a first order phase transition occurs. As a consequence of our study, we can also describe the whole singularity spectrum of Mandelbrot measures, as well as the associated free energy function (or $L^q$-spectrum), when a first order phase transition occurs.

Najmeddine Attia; Julien Barral

2014-03-20T23:59:59.000Z

319

Measurements of Branching Fractions and CP Asymmetries and Studies of Angular Distributions for B to phi phi K Decays  

SciTech Connect (OSTI)

We present branching fraction and CP asymmetry measurements as well as angular studies of B {yields} {phi}{phi}K decays using 464 x 10{sup 6} B{bar B} events collected by the BABAR experiment. The branching fractions are measured in the {phi}{phi} invariant mass range below the {eta}{sub c} resonance (m{sub {phi}{phi}} < 2.85 GeV). We find {Beta}(B{sup +} {yields} {phi}{phi}K{sup +}) = (5.6 {+-} 0.5 {+-} 0.3) x 10{sup -6} and {Beta}(B{sup 0} {yields} {phi}{phi}K{sup 0}) = (4.5 {+-} 0.8 {+-} 0.3) x 10{sup -6}, where the first uncertaintiy is statistical and the second systematic. The measured direct CP asymmetries for the B{sup {+-}} decays are A{sub CP} = -0.10 {+-} 0.08 {+-} 0.02 below the {eta}{sub c} threshold (m{sub {phi}{phi}} < 2.85 GeV) and A{sub CP} = 0.09 {+-} 0.10 {+-} 0.02 in the {eta}{sub c} resonance region (m{sub {phi}{phi}} in [2.94,3.02] GeV). Angular distributions are consistent with J{sub P} = 0{sup -} in the {eta}{sub c} resonance region and favor J{sup P} = 0{sup +} below the {eta}{sub c} resonance.

Lees, J.P.; Poireau, V.; Prencipe, E.; Tisserand, V.; /Annecy, LAPP; Garra Tico, J.; Grauges, E.; /Barcelona U., ECM; Martinelli, M.; /INFN, Bari /Bari U.; Milanes, D.A.; /INFN, Bari; Palano, A.; Pappagallo, M.; /INFN, Bari /Bari U.; Eigen, G.; Stugu, B.; Sun, L.; /Bergen U.; Brown, D.N.; Kerth, L.T.; Kolomensky, Yu.G.; Lynch, G.; /UC, Berkeley; Koch, H.; Schroeder, T.; /Ruhr U., Bochum; Asgeirsson, D.J.; Hearty, C.; /British Columbia U. /Brunel U. /Novosibirsk, IYF /UC, Irvine /UC, Riverside /UC, Santa Barbara /UC, Santa Cruz /Caltech /Cincinnati U. /Colorado U. /Colorado State U. /Dortmund U. /Dresden, Tech. U. /Ecole Polytechnique /Edinburgh U. /INFN, Ferrara /INFN, Ferrara /Ferrara U. /INFN, Ferrara /Frascati /INFN, Genoa /Genoa U. /INFN, Genoa /INFN, Genoa /Genoa U. /INFN, Genoa /Indian Inst. Tech., Guwahati /Harvard U. /Harvey Mudd Coll. /Heidelberg U. /Humboldt U., Berlin /Imperial Coll., London /Iowa State U. /Iowa State U. /Johns Hopkins U. /Paris U., VI-VII /LLNL, Livermore /Liverpool U. /Queen Mary, U. of London /Royal Holloway, U. of London /Royal Holloway, U. of London /Louisville U. /Mainz U., Inst. Kernphys. /Manchester U. /Maryland U. /Massachusetts U., Amherst /MIT /McGill U. /INFN, Milan /Milan U. /INFN, Milan /INFN, Milan /Milan U. /Mississippi U. /Montreal U. /INFN, Naples /Naples U. /NIKHEF, Amsterdam /NIKHEF, Amsterdam /Notre Dame U. /Ohio State U. /Oregon U. /INFN, Padua /Padua U. /INFN, Padua /INFN, Padua /Padua U. /Paris U., VI-VII /INFN, Perugia /Perugia U. /INFN, Pisa /Pisa U. /INFN, Pisa /Pisa, Scuola Normale Superiore /INFN, Pisa /Pisa U. /INFN, Pisa /INFN, Pisa /Pisa U. /INFN, Pisa /Princeton U. /INFN, Rome /INFN, Rome /Rome U. /INFN, Rome /INFN, Rome /Rome U. /INFN, Rome /Rostock U. /Rutherford /DAPNIA, Saclay /SLAC /South Carolina U. /Southern Methodist U. /Stanford U., Phys. Dept. /SUNY, Albany /Tel Aviv U. /Tennessee U. /Texas Nuclear Corp., Austin /Texas U., Dallas /INFN, Turin /Turin U. /INFN, Trieste /Trieste U. /Valencia U. /Victoria U. /Warwick U. /Wisconsin U., Madison

2011-08-15T23:59:59.000Z

320

Measurements of branching fractions for inclusive K0~/K0 and K*(892)+- decays of neutral and charged D mesons  

E-Print Network [OSTI]

Using the data sample of about 33 pb-1 collected at and around 3.773 GeV with the BES-II detector at the BEPC collider, we have studied inclusive K0~/K0 and K*(892)+- decays of D0 and D+ mesons. The branching fractions for the inclusive K0~/K0 and K*(892)- decays are measured to be BF(D0 to K0~/K0 X)=(47.6+-4.8+-3.0)%, BF(D+ to K0~/K0 X)=(60.5+-5.5+-3.3)%, BF(D0 to K*- X)=(15.3+- 8.3+- 1.9)% and BF(D+ to K*- X)=(5.7+- 5.2+- 0.7)%. The upper limits of the branching fractions for the inclusive K*(892)+ decays are set to be BF(D0 to K*+ X)<3.6% and BF(D+ to K*+ X) <20.3% at 90% confidence level.

M. Ablikim

2006-11-30T23:59:59.000Z

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321

Branching ratios for the decays of {psi}(3770) and Y(10580) mesons to a pair of light hadrons  

SciTech Connect (OSTI)

The branching ratios for the exclusive decays of the heavy quarkonia {psi}(3770) and Y(10580) to a pair of light mesons [{pi}{sup +}{pi}{sup -}, KK-bar, {rho}({omega}){pi}, {rho}({omega}){eta}, {rho}({omega}){eta}', K{sup *}K-bar+c.c, {rho}{sup +}{rho}{sup -}, and K{sup *}K-bar{sup *}] and the branching ratios for the decays {psi}(3770) {sup {yields}} J/{psi} + P(P = {pi}{sup 0}, {eta}) and Y(10580) {sup {yields}} Y(1S) + P(P = {pi}{sup 0},{eta},{eta}'), which involve a heavy quarkonium in the final state, are calculated with allowance for new data on the width of the D*{sup {+-}}(2010) meson and the mass differences between the charged and neutral beauty mesons (B{sup {+-}}, on one hand, and B{sup 0} and B-bar{sup 0}, on the other hand). The calculations are based on the model where the Okubo-Zweig-Iizuka rule is dynamically violated owing to the intermediate state DD-bar(BB-bar) in the case of the {psi}(3770) [Y(10580)] meson. The inclusive annihilation of {psi}(3770) and Y(10580) mesons to light hadrons is discussed.

Achasov, N. N., E-mail: achasov@math.nsc.ru; Kozhevnikov, A. A. [Russian Academy of Sciences, Sobolev Institute of Mathematics, Siberian Division (Russian Federation)], E-mail: kozhev@math.nsc.ru

2006-06-15T23:59:59.000Z

322

Measurement of Branching Fractions of B0 Decays to K1(1270)+ pi- and K1(1400)+ pi-  

SciTech Connect (OSTI)

We present a measurement of the branching fraction of neutral B meson decaying to final states containing a K1 meson, i.e. K{sub 1}(1270) and K{sub 1}(1400), and a charged pion. The data, collected with the BABAR detector at the Stanford Linear Accelerator Center, represent 454 million B{bar B} pairs produced in e{sup +}e{sup -} annihilation. We measure the branching fraction {Beta}(B{sup 0} {yields} K{sub 1}{sup +}{pi}{sup -}) = (31.0 {+-} 2.7 {+-} 6.9) x 10{sup -6}, where the first error quoted is statistical and the second is systematic. In the framework of the K-matrix formalism used to describe these decays, we also set limits on the ratio of the production constants for the K{sub 1}(1270){sup +} and K{sub 1}(1400){sup +} mesons in B{sup 0} decays.

Aubert, Bernard; Bona, M.; Karyotakis, Y.; Lees, J.P.; Poireau, V.; Prencipe, E.; Prudent, X.; Tisserand, V.; /Annecy, LAPP; Garra Tico, J.; Grauges, E.; /Barcelona U., ECM; Lopez, L.; Palano, Antimo; Pappagallo, M.; /Bari U. /INFN, Bari; Eigen, G.; Stugu, Bjarne; Sun, L.; /Bergen U.; Abrams, G.S.; Battaglia, M.; Brown, D.N.; Cahn, Robert N.; Jacobsen, R.G.; /LBL, Berkeley /Birmingham U. /Ruhr U., Bochum /Bristol U. /British Columbia U. /Brunel U. /Novosibirsk, IYF /UC, Irvine /UCLA /UC, Riverside /UC, San Diego /UC, Santa Barbara /UC, Santa Cruz /Caltech /Cincinnati U. /Colorado U. /Colorado State U. /Dortmund U. /Dresden, Tech. U. /Ecole Polytechnique /Edinburgh U. /Ferrara U. /INFN, Ferrara /Frascati /Genoa U. /INFN, Genoa /Harvard U. /Heidelberg U. /Humboldt U., Berlin /Imperial Coll., London /Iowa U. /Iowa State U. /Johns Hopkins U. /Orsay, LAL /LLNL, Livermore /Liverpool U. /Queen Mary, U. of London /Royal Holloway, U. of London /Louisville U. /Mainz U., Inst. Kernphys. /Manchester U. /Maryland U. /Massachusetts U., Amherst /MIT /McGill U. /Consorzio Milano Ricerche /INFN, Milan /Mississippi U. /Montreal U. /Mt. Holyoke Coll. /Napoli Seconda U. /INFN, Naples /NIKHEF, Amsterdam /Notre Dame U. /Ohio State U. /Oregon U. /Padua U. /INFN, Padua /Paris U., VI-VII /Pennsylvania U. /Perugia U. /INFN, Perugia /INFN, Pisa /Princeton U. /Banca di Roma /Frascati /Rostock U. /Rutherford /DAPNIA, Saclay /South Carolina U. /SLAC /Stanford U., Phys. Dept. /SUNY, Albany /Tennessee U. /Texas U. /Texas U., Dallas /Turin U. /INFN, Turin /Trieste U. /INFN, Trieste /Valencia U., IFIC /Victoria U. /Warwick U. /Wisconsin U., Madison

2008-08-04T23:59:59.000Z

323

THE INSIDIOUS BOOSTING OF THERMALLY PULSING ASYMPTOTIC GIANT BRANCH STARS IN INTERMEDIATE-AGE MAGELLANIC CLOUD CLUSTERS  

SciTech Connect (OSTI)

In the recent controversy about the role of thermally pulsing asymptotic giant branch (TP-AGB) stars in evolutionary population synthesis (EPS) models of galaxies, one particular aspect is puzzling: TP-AGB models aimed at reproducing the lifetimes and integrated fluxes of the TP-AGB phase in Magellanic Cloud (MC) clusters, when incorporated into EPS models, are found to overestimate, to various extents, the TP-AGB contribution in resolved star counts and integrated spectra of galaxies. In this paper, we call attention to a particular evolutionary aspect, linked to the physics of stellar interiors, that in all probability is the main cause of this conundrum. As soon as stellar populations intercept the ages at which red giant branch stars first appear, a sudden and abrupt change in the lifetime of the core He-burning phase causes a temporary 'boost' in the production rate of subsequent evolutionary phases, including the TP-AGB. For a timespan of about 0.1 Gyr, triple TP-AGB branches develop at slightly different initial masses, causing their frequency and contribution to the integrated luminosity of the stellar population to increase by a factor of ?2. The boost occurs for turn-off masses of ?1.75 M{sub ?}, just in the proximity of the expected peak in the TP-AGB lifetimes (for MC metallicities), and for ages of ?1.6 Gyr. Coincidently, this relatively narrow age interval happens to contain the few very massive MC clusters that host most of the TP-AGB stars used to constrain stellar evolution and EPS models. This concomitance makes the AGB-boosting particularly insidious in the context of present EPS models. As we discuss in this paper, the identification of this evolutionary effect brings about three main consequences. First, we claim that present estimates of the TP-AGB contribution to the integrated light of galaxies derived from MC clusters are biased toward too large values. Second, the relative TP-AGB contribution of single-burst populations falling in this critical age range cannot be accurately derived by approximations such as the fuel consumption theorem, which ignore, by construction, the above evolutionary effect. Third, a careful revision of AGB star populations in intermediate-age MC clusters is urgently demanded, promisingly with the aid of detailed sets of stellar isochrones.

Girardi, Léo [Osservatorio Astronomico di Padova-INAF, Vicolo dell'Osservatorio 5, I-35122 Padova (Italy); Marigo, Paola [Dipartimento di Fisica e Astronomia Galileo Galilei, Università di Padova, Vicolo dell'Osservatorio 3, I-35122 Padova (Italy); Bressan, Alessandro [SISSA, via Bonomea 365, I-34136 Trieste (Italy); Rosenfield, Philip [Department of Astronomy, University of Washington, Box 351580, Seattle, WA 98195 (United States)

2013-11-10T23:59:59.000Z

324

Remedial investigation report on Chestnut Ridge Operable Unit 2 (filled coal ash pond/Upper McCoy Branch) at the Oak Ridge Y-12 Plant, Oak Ridge, Tennessee. Volume 2: Appendixes  

SciTech Connect (OSTI)

This report comprises appendices A--J which support the Y-12 Plant`s remedial action report involving Chestnut Ridge Operable Unit 2 (filled coal ash pond/Upper McCoy Branch). The appendices cover the following: Sampling fish from McCoy Branch; well and piezometer logs; ecological effects of contaminants in McCoy Branch 1989-1990; heavy metal bioaccumulation data; microbes in polluted sediments; and baseline human health risk assessment data.

Not Available

1994-08-01T23:59:59.000Z

325

Laser-induced multiphoton dissociation branching ratios for H{sub 2}{sup +} and D{sub 2}{sup +}  

SciTech Connect (OSTI)

The multiphoton dissociation branching ratios for H{sub 2}{sup +} and D{sub 2}{sup +} as a function of laser peak intensity and pulse length are investigated by solving the time-dependent Schroedinger equation in the Born-Oppenheimer approximation, neglecting nuclear rotation. An 800 nm laser pulse with peak intensities from 8x10{sup 9} W/cm{sup 2} to 10{sup 14} W/cm{sup 2} and pulse lengths from 5 to 7.5 fs is used. We also investigate the viability of identifying zero-, one-, two-, and three-photon processes based only on the nuclear kinetic energy release spectrum, and check these identifications with a rigorous Floquet-like method.

Hua, J. J.; Esry, B. D. [J. R. Macdonald Laboratory, Department of Physics, Kansas State University, Manhattan, Kansas 66506 (United States)

2009-07-15T23:59:59.000Z

326

Measurement of the B -> Omega l Nu and B -> Eta l Nu Branching Fractions Using Neutrino Reconstruction  

SciTech Connect (OSTI)

The authors present a study of the charmless semileptonic B-meson decays B{sup +} {yields} {omega}{ell}{sup +}{nu} and B{sup +} {yields} {eta}{ell}{sup +}{nu}. The analysis is based on 383 million B{bar B} pairs recorded at the {Upsilon}(4S) resonance with the BABAR detector. The {omega} mesons are reconstructed in the channel {omega} {yields} {pi}{sup +}{pi}{sup -}{pi}{sup 0} and the {eta} mesons in the channels {eta} {yields} {pi}{sup +}{pi}{sup -}{pi}{sup 0} and {eta} {yields} {gamma}{gamma}. They measure the branching fractions {Beta}(B{sup +} {yields} {omega}{ell}{sup +}{nu}) = (1.14 {+-} 0.16{sub stat} {+-} 0.08{sub syst}) x 10{sup -4} and {Beta}(B{sup +} {yields} {eta}{ell}{sup +}{nu}) = (0.31 {+-} 0.06{sub stat} {+-} 0.08{sub syst}) x 10{sup -4}.

Aubert, Bernard; Bona, M.; Karyotakis, Y.; Lees, J.P.; Poireau, V.; Prencipe, E.; Prudent, X.; Tisserand, Vincent; /Annecy, LAPP; Garra Tico, J.; Grauges, E.; /Barcelona U., ECM; Lopez, L.; Palano, Antimo; Pappagallo, M.; /Bari U. /INFN, Bari; Eigen, G.; Stugu, Bjarne; Sun, L.; /Bergen U.; Abrams, G.S.; Battaglia, M.; Brown, D.N.; Cahn, Robert N.; Jacobsen, R.G.; /LBL, Berkeley /Birmingham U. /Ruhr U., Bochum /Bristol U. /British Columbia U. /Brunel U. /Novosibirsk, IYF /UC, Irvine /UCLA /UC, Riverside /UC, San Diego /UC, Santa Barbara /UC, Santa Cruz /Caltech /Cincinnati U. /Colorado U. /Colorado State U. /Dortmund U. /Dresden, Tech. U. /Ecole Polytechnique /Edinburgh U. /Ferrara U. /INFN, Ferrara /Frascati /Genoa U. /INFN, Genoa /Harvard U. /Heidelberg U. /Humboldt U., Berlin /Imperial Coll., London /Iowa U. /Iowa State U. /Johns Hopkins U. /Orsay, LAL /LLNL, Livermore /Liverpool U. /Queen Mary, U. of London /Royal Holloway, U. of London /Louisville U. /Mainz U., Inst. Kernphys. /Manchester U., Comp. Sci. Dept. /Maryland U. /Massachusetts U., Amherst /MIT /McGill U. /Consorzio Milano Ricerche /INFN, Milan /Mississippi U. /Montreal U. /Mt. Holyoke Coll. /Napoli Seconda U. /INFN, Naples /NIKHEF, Amsterdam /Notre Dame U. /Ohio State U. /Oregon U. /Padua U. /INFN, Padua /Paris U., VI-VII /Pennsylvania U. /Perugia U. /INFN, Perugia /INFN, Pisa /Princeton U. /Banca di Roma /Frascati /Rostock U. /Rutherford /DAPNIA, Saclay /South Carolina U. /SLAC /Stanford U., Phys. Dept. /SUNY, Albany /Tennessee U. /Texas U. /Texas U., Dallas /Turin U. /INFN, Turin /Trieste U. /INFN, Trieste /Valencia U., IFIC /Victoria U. /Warwick U. /Wisconsin U., Madison

2008-09-09T23:59:59.000Z

327

The Araucaria Project: The Distance to NGC 300 from the Red Giant Branch Tip using HST/ACS imaging  

E-Print Network [OSTI]

We have used the Advanced Camera for Surveys on board the Hubble Space Telescope to obtain deep photometry of the NGC 300 spiral galaxy in the Sculptor group. The results have been used to derive an accurate distance determination based on the Tip of the Red Giant Branch distance estimator. Both edge-detection and maximum likelihood methods have been applied, to derive a distance modulus (m-M)_0=26.30 +/- 0.03 +/- 0.12 for edge-detection, and (m-M)_0=26.36 +/- 0.02 +/- 0.12 for maximum likelihood. These results are fully consistent with the recent distance estimate derived from near-IR photometry of Cepheids variable stars in the context of the Araucaria project, (m-M)_0= 26.37 +/- 0.05 +/- 0.03.

Luca Rizzi; Fabio Bresolin; Rolf-Peter Kudritzki; Wolfgang Gieren; Grzegorz Pietrzynski

2005-10-11T23:59:59.000Z

328

STAR-TO-STAR IRON ABUNDANCE VARIATIONS IN RED GIANT BRANCH STARS IN THE GALACTIC GLOBULAR CLUSTER NGC 3201  

SciTech Connect (OSTI)

We present the metallicity as traced by the abundance of iron in the retrograde globular cluster NGC 3201, measured from high-resolution, high signal-to-noise spectra of 24 red giant branch stars. A spectroscopic analysis reveals a spread in [Fe/H] in the cluster stars at least as large as 0.4 dex. Star-to-star metallicity variations are supported both through photometry and through a detailed examination of spectra. We find no correlation between iron abundance and distance from the cluster core, as might be inferred from recent photometric studies. NGC 3201 is the lowest mass halo cluster to date to contain stars with significantly different [Fe/H] values.

Simmerer, Jennifer; Ivans, Inese I.; Filler, Dan [Department of Physics and Astronomy, University of Utah, Salt Lake City, UT 84112 (United States); Francois, Patrick [Paris-Meudon Observatory, France and Universite de Picardie Jules Verne, F-80080 Amiens (France); Charbonnel, Corinne [Geneva Observatory, University of Geneva, Chemin des Maillettes 51, CH-1290 Versoix (Switzerland); Monier, Richard [Laboratoire Hippolyte Fizeau, Universite Nice Sophia Antipolis, Parc Valrose, F-06000 Nice (France); James, Gaeel, E-mail: jennifer@physics.utah.edu, E-mail: iii@physics.utah.edu, E-mail: dan.filler@utah.edu, E-mail: patrick.francois@obspm.fr, E-mail: corinne.charbonnel@unige.ch, E-mail: richard.monier@unice.fr, E-mail: gjames@eso.org [European Southern Observatory, Karl-Schwarzschild-Strasse 2, D-85748 Garching bei Munchen (Germany)

2013-02-10T23:59:59.000Z

329

On Titanium Carbide Nanoparticles as the Origin of the 21 Micron Emission Feature in Post-Asymptotic Giant Branch Stars  

E-Print Network [OSTI]

Titanium carbide (TiC) nanocrystals were recently proposed as the carrier of the mysterious 21$\\mum$ emission feature observed in post-asymptotic giant branch stars, based on their close spectral match and the presolar nature of meteoritic TiC nanograins (which reveals their stellar ejecta origin). But we show in this {\\it Letter} that the Kramers-Kronig dispersion relations, which relate the wavelength-integrated extinction cross section to the total dust mass, would impose a lower bound on the TiC mass. This Kramers-Kronig lower limit exceeds the maximum available TiC mass by a factor of at least $\\simali$50, independent of the absolute value of the ultraviolet/visible absorptivity of nano TiC. The TiC model is therefore readily ruled out by the Kramers-Kronig physical principle.

Aigen Li

2003-11-04T23:59:59.000Z

330

A ladder of polariton branches formed by coupling an organic semiconductor exciton to a series of closely spaced cavity-photon modes  

SciTech Connect (OSTI)

We construct a microcavity in which the extended optical path length of the cavity (5.9??m) permits a series of closely spaced optical modes to be supported. By placing a J-aggregated cyanine dye into the cavity, we reach the strong-coupling regime and evidence a simultaneous optical hybridization between the organic-exciton and a number of the confined cavity modes, forming an effective ladder of polariton branches. We explore the emission from such cavities and evidence a polariton-population on adjacent polariton branches around k{sub ?}?=?0.

Coles, David M.; Lidzey, David G. [Department of Physics and Astronomy, University of Sheffield, Hicks Building, Hounsfield Road, Sheffield S3 7RH (United Kingdom)

2014-05-12T23:59:59.000Z

331

THE ACS NEARBY GALAXY SURVEY TREASURY. IX. CONSTRAINING ASYMPTOTIC GIANT BRANCH EVOLUTION WITH OLD METAL-POOR GALAXIES  

SciTech Connect (OSTI)

In an attempt to constrain evolutionary models of the asymptotic giant branch (AGB) phase at the limit of low masses and low metallicities, we have examined the luminosity functions and number ratios between AGB and red giant branch (RGB) stars from a sample of resolved galaxies from the ACS Nearby Galaxy Survey Treasury. This database provides Hubble Space Telescope optical photometry together with maps of completeness, photometric errors, and star formation histories for dozens of galaxies within 4 Mpc. We select 12 galaxies characterized by predominantly metal-poor populations as indicated by a very steep and blue RGB, and which do not present any indication of recent star formation in their color-magnitude diagrams. Thousands of AGB stars brighter than the tip of the RGB (TRGB) are present in the sample (between 60 and 400 per galaxy), hence, the Poisson noise has little impact in our measurements of the AGB/RGB ratio. We model the photometric data with a few sets of thermally pulsing AGB (TP-AGB) evolutionary models with different prescriptions for the mass loss. This technique allows us to set stringent constraints on the TP-AGB models of low-mass, metal-poor stars (with M < 1.5 M{sub sun}, [Fe/H]{approx}< -1.0). Indeed, those which satisfactorily reproduce the observed AGB/RGB ratios have TP-AGB lifetimes between 1.2 and 1.8 Myr, and finish their nuclear burning lives with masses between 0.51 and 0.55 M{sub sun}. This is also in good agreement with recent observations of white dwarf masses in the M4 old globular cluster. These constraints can be added to those already derived from Magellanic Cloud star clusters as important mileposts in the arduous process of calibrating AGB evolutionary models.

Girardi, Leo [Osservatorio Astronomico di Padova-INAF, Vicolo dell'Osservatorio 5, I-35122 Padova (Italy); Williams, Benjamin F.; Gilbert, Karoline M.; Rosenfield, Philip; Dalcanton, Julianne J. [Department of Astronomy, University of Washington, Box 351580, Seattle, WA 98195 (United States); Marigo, Paola [Dipartimento di Astronomia, Universita di Padova, Vicolo dell'Osservatorio 2, I-35122 Padova (Italy); Boyer, Martha L. [Space Telescope Science Institute, 3700 San Martin Drive, Baltimore, MD 21218 (United States); Dolphin, Andrew [Raytheon Company, 1151 East Hermans Road, Tucson, AZ 85756 (United States); Weisz, Daniel R.; Skillman, Evan [Department of Astronomy, University of Minnesota, 116 Church Street SE, Minneapolis, MN 55455 (United States); Melbourne, Jason [Caltech Optical Observatories, Division of Physics, Mathematics and Astronomy, Mail Stop 301-17, California Institute of Technology, Pasadena, CA 91125 (United States); Olsen, Knut A. G. [National Optical Astronomy Observatory, 950 North Cherry Avenue, Tucson, AZ 85719 (United States); Seth, Anil C. [Harvard-Smithsonian Center for Astrophysics, 60 Garden Street, Cambridge, MA 02138 (United States)

2010-12-01T23:59:59.000Z

332

Single Transition State Serves Two Mechanisms. Ab Initio Classical Trajectory Calculations of the Substitution-Electron Transfer Branching Ratio in CH2O-+ CH3Cl  

E-Print Network [OSTI]

to the Sub(C) valley. Analysis of the initial conditions did not reveal any definitive factors, the temperature dependence of the branching ratio is a reflection of the shape of the potential energy surface of numerous theoretical studies.25-33 The ET products can be formed either by an outersphere electron transfer

Schlegel, H. Bernhard

333

NIH Extramural Data Book last update May 2008 Data provided by the Division of Information Services, Reporting Branch NEDB 1 NATIONAL INSTITUTES OF HEALTH (NIH)  

E-Print Network [OSTI]

NIH Extramural Data Book ­ last update May 2008 Data provided by the Division of Information Services, Reporting Branch NEDB 1 NATIONAL INSTITUTES OF HEALTH (NIH) EXTRAMURAL DATA BOOK May 2008 #12;NIH Extramural Data Book ­ last update May 2008 Data provided by the Division of Information Services

Baker, Chris I.

334

A measurement of the branching fractions of the f1(1285) and f1(1420) produced in central pp interactions at 450 GeV/c  

E-Print Network [OSTI]

A study of the f1(1285) and f1(1420) produced in central pp interactions has been performed. For the first time in a single experiment the branching fractions of both mesons in all major decay modes have been determined. Both the f1(1285) and f1(1420) are consistent with being produced by double Pomeron exchange.

The WA102 Collaboration; D. Barberis et al

1998-10-02T23:59:59.000Z

335

Measurement of CP Asymmetries and Branching Fractions in Charmless Two-Body B-Meson Decays to Pions and Kaons  

SciTech Connect (OSTI)

We present improved measurements of CP-violation parameters in the decays B{sup 0} {yields} {pi}{sup +}{pi}{sup -}, B{sup 0} {yields} K{sup +}{pi}{sup -}, and B{sup 0} {yields} {pi}{sup 0}{pi}{sup 0}, and of the branching fractions for B{sup 0} {yields} {pi}{sup 0}{pi}{sup 0} and B{sup 0} {yields} K{sup 0}{pi}{sup 0}. The results are obtained with the full data set collected at the {Upsilon}(4S) resonance by the BABAR experiment at the PEP-II asymmetric-energy B factory at the SLAC National Accelerator Laboratory, corresponding to 467 {+-} 5 million B{bar B} pairs. We find the CP-violation parameter values and branching fractions S{sub {pi}{sup +}{pi}{sup -}} = -0.68 {+-} 0.10 {+-} 0.03, C{sub {pi}{sup +}{pi}{sup -}} = -0.25 {+-} 0.08 {+-} 0.02, {Alpha}{sub K{sup -}{pi}{sup +}} = -0.107 {+-} 0.016{sub -0.004}{sup +0.006}, C{sub {pi}{sup 0}{pi}{sup 0}} = -0.43 {+-} 0.26 {+-} 0.05, {Beta}(B{sup 0} {yields} {pi}{sup 0}{pi}{sup 0}) = (1.83 {+-} 0.21 {+-} 0.13) x 10{sup -6}, {Beta}(B{sup 0} {yields} K0{pi}{sup 0}) = (10.1 {+-} 0.6 {+-} 0.4) x 10{sup -6}, where in each case, the first uncertainties are statistical and the second are systematic. We observe CP violation with a significance of 6.7 standard deviations for B{sup 0} {yields} {pi}{sup +}{pi}{sup -} and 6.1 standard deviations for B{sup 0} {yields} K{sup +}{pi}{sup -}, including systematic uncertainties. Constraints on the Unitarity Triangle angle {alpha} are determined from the isospin relations among the B {yields} {pi}{pi} rates and asymmetries. Considering only the solution preferred by the Standard Model, we find {alpha} to be in the range [71{sup o}, 109{sup o}] at the 68% confidence level.

Lees, J.P.; Poireau, V.; Tisserand, V.; /Annecy, LAPP; Garra Tico, J.; Grauges, E.; /Barcelona U., ECM; Palano, A.; /Bari U. /INFN, Bari; Eigen, G.; Stugu, B.; /Bergen U.; Brown, D.N.; Kerth, L.T.; Kolomensky, Yu.G.; Lynch, G.; /LBL, Berkeley /UC, Berkeley; Koch, H.; Schroeder, T.; /Ruhr U., Bochum; Asgeirsson, D.J.; Hearty, C.; Mattison, T.S.; McKenna, J.A.; So, R.Y.; /British Columbia U.; Khan, A.; /Brunel U.; Blinov, V.E.; /Novosibirsk, IYF /UC, Irvine /UC, Riverside /UC, Santa Barbara /UC, Santa Cruz /Caltech /Cincinnati U. /Colorado U. /Colorado State U. /Dortmund U. /Dresden, Tech. U. /Ecole Polytechnique /Edinburgh U. /Ferrara U. /INFN, Ferrara /Frascati /Genoa U. /INFN, Genoa /Indian Inst. Tech., Guwahati /Harvard U. /Harvey Mudd Coll. /Heidelberg U. /Humboldt U., Berlin /Imperial Coll., London /Iowa State U. /Iowa State U. /Johns Hopkins U. /Orsay, LAL /LLNL, Livermore /Liverpool U. /Queen Mary, U. of London /Royal Holloway, U. of London /Louisville U. /Mainz U., Inst. Kernphys. /Manchester U., Comp. Sci. Dept. /Maryland U. /Massachusetts U., Amherst /MIT /McGill U. /Milan U. /INFN, Milan /Mississippi U. /Montreal U. /Naples U. /INFN, Naples /NIKHEF, Amsterdam /Notre Dame U. /Ohio State U. /Oregon U. /Padua U. /INFN, Padua /Paris U., VI-VII /Perugia U. /INFN, Perugia /INFN, Pisa /Princeton U. /Rome U. /INFN, Rome /Rostock U. /Rutherford /DAPNIA, Saclay /SLAC /South Carolina U. /Southern Methodist U. /Stanford U., Phys. Dept. /SUNY, Albany /Tel Aviv U. /Tennessee U. /Texas U. /Texas U., Dallas /Turin U. /INFN, Turin /Trieste U. /INFN, Trieste /Valencia U., IFIC /Victoria U. /Warwick U. /Wisconsin U., Madison

2012-06-18T23:59:59.000Z

336

Compilation of reports from research supported by the Materials Engineering Branch, Division of Engineering: 1991--1993. Volume 2  

SciTech Connect (OSTI)

Since 1965, the Materials Engineering Branch, Division of Engineering, of the Nuclear Regulatory Commission`s Office of Nuclear Regulatory Research, and its predecessors dating back to the Atomic Energy Commission (AEC), has sponsored research programs concerning the integrity of the primary system pressure boundary of light water reactors. The components of concern in these research programs have included the reactor pressure vessel (RPV), steam generators, and the piping. These research programs have covered a broad range of topics, including fracture mechanics analysis and experimental work for RPV and piping applications, inspection method development and qualification, and evaluation of irradiation effects to RPV steels. This report provides as complete a listing as practical of formal technical reports submitted to the NRC by the investigators working on these research programs. This listing includes topical, final and progress reports, and is segmented by topic area. In many cases a report will cover several topics (such as in the case of progress reports of multi-faceted programs), but is listed under only one topic. Therefore, in searching for reports on a specific topic, other related topic areas should be checked also. The separate volumes of this report cover the following periods: Volume 1: 1965--1990 and Volume 2: 1991--1993.

Hiser, A.L. [comp.

1994-06-01T23:59:59.000Z

337

Dust production from sub-solar to super-solar metallicity in Thermally Pulsing Asymptotic Giant Branch Stars  

E-Print Network [OSTI]

We discuss the dust chemistry and growth in the circumstellar envelopes (CSEs) of Thermally Pulsing Asymptotic Giant Branch (TP-AGB) star models computed with the COLIBRI code, at varying initial mass and metallicity (Z=0.001, 0.008, 0.02, 0.04, 0.06). A relevant result of our analysis deals with the silicate production in M-stars. We show that, in order to reproduce the observed trend between terminal velocities and mass-loss rates in Galactic M-giants, one has to significantly reduce the efficiency of chemisputtering by H2 molecules, usually considered as the most effective dust destruction mechanism. This indication is also in agreement with the most recent laboratory results, which show that silicates may condense already at T=1400 K, instead than at Tcond=1000 K, as obtained by models that include chemisputtering. From the analysis of the total dust ejecta, we find that the total dust-to-gas ejecta of intermediate-mass stars are much less dependent on metallicity than usually assumed. In a broader contex...

Ambra, Nanni; Paola, Marigo; Léo, Girardi; Atefeh, Javadi; Jacco, van Loon

2014-01-01T23:59:59.000Z

338

Effects of constraints in general branched molecules: A quantitative ab initio study in HCO-L-Ala-NH2  

E-Print Network [OSTI]

A general approach to the design of accurate classical potentials for protein folding is described. It includes the introduction of a meaningful statistical measure of the differences between approximations of the same potential energy, the definition of a set of Systematic and Approximately Separable and Modular Internal Coordinates (SASMIC), much convenient for the simulation of general branched molecules, and the imposition of constraints on the most rapidly oscillating degrees of freedom. All these tools are used to study the effects of constraints in the Conformational Equilibrium Distribution (CED) of the model dipeptide HCO-L-Ala-NH2. We use ab initio Quantum Mechanics calculations including electron correlation at the MP2 level to describe the system, and we measure the conformational dependence of the correcting terms to the naive CED based in the Potential Energy Surface (PES) without any simplifying assumption. These terms are related to mass-metric tensors determinants and also occur in the Fixman's compensating potential. We show that some of the corrections are non-negligible if one is interested in the whole Ramachandran space. On the other hand, if only the energetically lower region, containing the principal secondary structure elements, is assumed to be relevant, then, all correcting terms may be neglected up to peptides of considerable length. This is the first time, as far as we know, that the analysis of the conformational dependence of these correcting terms is performed in a relevant biomolecule with a realistic potential energy function.

Pablo Echenique; J. L. Alonso; Ivan Calvo

2006-12-04T23:59:59.000Z

339

Measurement of the $B^+\\rightarrow p \\bar{p} K^{+}$ Branching Fraction and Study of the Decay Dynamics  

SciTech Connect (OSTI)

With a sample of 232 x 10{sup 6} {Upsilon}(4S) {yields} B{bar B} events collected with the BABAR detector, we study the decay B{sup +} {yields} p{bar p}K{sup +} excluding charmonium decays to p{bar p}. We measure a branching fraction {Beta}(B{sup +} {yields} p{bar p}K{sup +}) = (6.7 {+-} 0.5 {+-} 0.4) x 10{sup -6}. An enhancement at low p{bar p} mass is observed and the Dalitz plot asymmetry suggests dominance of the penguin amplitude in this B decay. We search for a pentaquark candidate {Theta}*{sup ++} decaying into pK{sup +} in the mass range 1.43 to 2.00 GeV/c{sup 2} and set limits on {Beta}(B{sup +} {yields} {Theta}*{sup ++} {bar p}) x {Beta}({Theta}*{sup ++} {yields} pK{sup +}) at the 10{sup -7} level.

Aubert, B.; Barate, R.; Boutigny, D.; Couderc, F.; Karyotakis, Y.; Lees, J.P.; Poireau, V.; Tisserand, V.; Zghiche, A.; /Annecy, LAPP; Grauges, E.; /Barcelona, IFAE; Palano, A.; Pappagallo, M.; Pompili, A.; /Bari U. /INFN, Bari; Chen, J.C.; Qi, N.D.; Rong, G.; Wang, P.; Zhu, Y.S.; /Beijing, Inst. High Energy Phys.; Eigen, G.; Ofte, I.; Stugu, B. /Bergen U. /LBL, Berkeley /UC, Berkeley /Birmingham U. /Ruhr U., Bochum /Bristol U. /British Columbia U. /Brunel U. /Novosibirsk, IYF /UC, Irvine /UCLA /UC, Riverside /UC, San

2005-07-06T23:59:59.000Z

340

The Use of Subsurface Barriers to Support Treatment of Metals and Reduce the Flux of Tritium to Fourmile Branch at the Savannah River Site in South Carolina - 13358  

SciTech Connect (OSTI)

The Savannah River Site (SRS) produced tritium, plutonium, and special nuclear materials for national defense, medicine, and the space programs. Acidic groundwater plumes containing metals, metallic radionuclides, non-metallic radionuclides and tritium sourced from the F and H Area Seepage Basins have impacted the surface water of Fourmile Branch on SRS. Tritium releases from Fourmile Branch have impacted the water quality within areas of the Savannah River adjacent to the SRS, and this circumstance has been an ongoing regulatory concern. The F and H Area Seepage Basins operated until 1988 for the disposition of deionized acidic waste water from the F and H Separations Facilities. The waste water contained dilute nitric acid and low concentrations of non-radioactive metals, and radionuclides, with the major isotopes being Cs-137, Sr-90, U-235, U-238, Pu-239, Tc-99, I-129, and tritium. The tritium concentration in the waste water was relatively elevated because there is not a practicable removal method in water. The acid content of the waste water during the operational period of the basins was equal to 12 billion liters of nitric acid. The seepage basins were closed in 1988 and backfilled and capped by 1991. The plumes associated with the F and H basins cover an area of nearly 2.4 square kilometers (600 acres) and discharge along ?2,600 meters of Fourmile Branch. The acidic nature of the plumes and their overall discharge extent along the branch represent a large challenge with respect to reducing contaminant flux to Fourmile Branch. The introduction of nitric acid into the groundwater over a long time effectively reduced the retardation of metal migration from the basins to the groundwater and in the groundwater to Fourmile Branch, because most negatively charged surfaces on the aquifer materials were filled with hydrogen ion. Two large pump and treat systems were constructed in 1997 and operated until 2003 in an attempt to capture and control the releases to Fourmile Branch. The operating cost, including waste disposal, for the two systems was ?$1.3 M/month. Both systems employed reinjection of tritiated water up gradient of the extraction, and produced large quantities of waste from non-tritium isotopes and metals removal prior to reinjection. Both systems were determined to be ineffective and potentially detrimental with respect to limiting the flux of contaminants to Fourmile Branch. After it became apparent that there was very little benefit to continued operation of the systems, and the staggering cost of operations was recognized by the SRS and regulators, a new remedy was developed. The new system uses vertical subsurface barriers to redirect groundwater flow to limit the transport of contaminants to the stream. The barriers were constructed of acid resistant grout using deep soil mixing techniques. The grout mixture used low swelling clay, fly ash, and sodium hydroxide to form a pozzolana material with low permeability and low strength. The SRS and regulators agreed to a series of remedial goals, with the first goal to reduce tritium flux to the stream by 70% and bring constituents other than tritium to groundwater protection standards. (authors)

Blount, Gerald; Thibault, Jeffrey; Wells, Leslie [Savannah River Nuclear Solutions LLC, 730-4B, Aiken, SC 29808 (United States)] [Savannah River Nuclear Solutions LLC, 730-4B, Aiken, SC 29808 (United States); Prater, Phillip [Department of Energy, Savannah River Site, Aiken, SC 29808 (United States)] [Department of Energy, Savannah River Site, Aiken, SC 29808 (United States)

2013-07-01T23:59:59.000Z

Note: This page contains sample records for the topic "walker branch throughfall" from the National Library of EnergyBeta (NLEBeta).
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341

Measurement of the B????l?? and B???(')l?? branching fractions, the B????l?? and B???l?? form-factor shapes, and determination of |Vub|  

DOE Public Access Gateway for Energy & Science Beta (PAGES Beta)

We report the results of a study of the exclusive charmless semileptonic decays, B???(')l?? and B????l??, undertaken with approximately 464×10? BB¯¯ pairs collected at the ?(4S) resonance with the BABAR detector. The analysis uses events in which the signal B decays are reconstructed with a loose neutrino reconstruction technique. We obtain partial branching fractions for B???l?? and B????l?? decays in three and 12 bins of q², respectively, from which we extract the f+(q²) form-factor shapes and the total branching fractions B(B???l??)=(0.36±0.05stat±0.04syst)×10?? and B(B????l??)=(1.42±0.05stat±0.07syst)×10??. We also measure B(B+??'l??)=(0.24±0.08stat±0.03syst)×10??. We obtain values for the magnitude of the CKM matrix element |Vub| using three different QCD calculations.

del Amo Sanchez, P.; Lees, J. P.; Poireau, V.; Prencipe, E.; Tisserand, V.; Garra Tico, J.; Grauges, E.; Martinelli, M.; Milanes, D. A.; Palano, A.; Pappagallo, M.; Eigen, G.; Stugu, B.; Sun, L.; Brown, D. N.; Kerth, L. T.; Kolomensky, Yu. G.; Lynch, G.; Osipenkov, I. L.; Koch, H.; Schroeder, T.; Asgeirsson, D. J.; Hearty, C.; Mattison, T. S.; McKenna, J. A.; Khan, A.; Randle-Conde, A.; Blinov, V. E.; Buzykaev, A. R.; Druzhinin, V. P.; Golubev, V. B.; Kravchenko, E. A.; Onuchin, A. P.; Serednyakov, S. I.; Skovpen, Yu. I.; Solodov, E. P.; Todyshev, K. Yu.; Yushkov, A. N.; Bondioli, M.; Curry, S.; Kirkby, D.; Lankford, A. J.; Mandelkern, M.; Martin, E. C.; Stoker, D. P.; Atmacan, H.; Gary, J. W.; Liu, F.; Long, O.; Vitug, G. M.; Campagnari, C.; Hong, T. M.; Kovalskyi, D.; Richman, J. D.; West, C.; Eisner, A. M.; Heusch, C. A.; Kroseberg, J.; Lockman, W. S.; Martinez, A. J.; Schalk, T.; Schumm, B. A.; Seiden, A.; Winstrom, L. O.; Cheng, C. H.; Doll, D. A.; Echenard, B.; Hitlin, D. G.; Ongmongkolkul, P.; Porter, F. C.; Rakitin, A. Y.; Andreassen, R.; Dubrovin, M. S.; Mancinelli, G.; Meadows, B. T.; Sokoloff, M. D.; Bloom, P. C.; Ford, W. T.; Gaz, A.; Nagel, M.; Nauenberg, U.; Smith, J. G.; Wagner, S. R.; Ayad, R.; Toki, W. H.; Jasper, H.; Karbach, T. M.; Petzold, A.; Spaan, B.; Kobel, M. J.; Schubert, K. R.; Schwierz, R.; Bernard, D.; Verderi, M.; Clark, P. J.; Playfer, S.; Watson, J. E.; Andreotti, M.; Bettoni, D.; Bozzi, C.; Calabrese, R.; Cecchi, A.; Cibinetto, G.; Fioravanti, E.; Franchini, P.; Luppi, E.; Munerato, M.; Negrini, M.; Petrella, A.; Piemontese, L.; Baldini-Ferroli, R.; Calcaterra, A.; de Sangro, R.; Finocchiaro, G.; Nicolaci, M.; Pacetti, S.; Patteri, P.; Peruzzi, I. M.; Piccolo, M.; Rama, M.; Zallo, A.; Contri, R.; Guido, E.; Lo Vetere, M.; Monge, M. R.; Passaggio, S.; Patrignani, C.; Robutti, E.; Tosi, S.; Bhuyan, B.; Prasad, V.; Lee, C. L.; Morii, M.; Adametz, A.; Marks, J.; Uwer, U.; Bernlochner, F. U.; Ebert, M.; Lacker, H. M.; Lueck, T.; Volk, A.; Dauncey, P. D.; Tibbetts, M.; Behera, P. K.; Mallik, U.; Chen, C.; Cochran, J.; Crawley, H. B.; Dong, L.; Meyer, W. T.; Prell, S.; Rosenberg, E. I.; Rubin, A. E.; Gritsan, A. V.; Guo, Z. J.; Arnaud, N.; Davier, M.; Derkach, D.; Firmino da Costa, J.; Grosdidier, G.; Le Diberder, F.; Lutz, A. M.; Malaescu, B.; Perez, A.; Roudeau, P.; Schune, M. H.; Serrano, J.; Sordini, V.; Stocchi, A.; Wang, L.; Wormser, G.; Lange, D. J.; Wright, D. M.; Bingham, I.; Chavez, C. A.; Coleman, J. P.; Fry, J. R.; Gabathuler, E.; Gamet, R.; Hutchcroft, D. E.; Payne, D. J.; Touramanis, C.; Bevan, A. J.; Di Lodovico, F.; Sacco, R.; Sigamani, M.; Cowan, G.; Paramesvaran, S.; Wren, A. C.; Brown, D. N.; Davis, C. L.; Denig, A. G.; Fritsch, M.; Gradl, W.; Hafner, A.; Alwyn, K. E.; Bailey, D.; Barlow, R. J.; Jackson, G.; Lafferty, G. D.; Anderson, J.; Cenci, R.; Jawahery, A.; Roberts, D. A.; Simi, G.; Tuggle, J. M.; Dallapiccola, C.; Salvati, E.; Cowan, R.; Dujmic, D.; Sciolla, G.; Zhao, M.; Lindemann, D.; Patel, P. M.; Robertson, S. H.; Schram, M.; Biassoni, P.; Lazzaro, A.; Lombardo, V.; Palombo, F.; Stracka, S.; Cremaldi, L.; Godang, R.; Kroeger, R.; Sonnek, P.; Summers, D. J.; Nguyen, X.; Simard, M.; Taras, P.; De Nardo, G.; Monorchio, D.; Onorato, G.; Sciacca, C.; Raven, G.; Snoek, H. L.; Jessop, C. P.; Knoepfel, K. J.; LoSecco, J. M.; Wang, W. F.; Corwin, L. A.; Honscheid, K.; Kass, R.; Morris, J. P.; Blount, N. L.; Brau, J.; Frey, R.; Igonkina, O.; Kolb, J. A.; Rahmat, R.; Sinev, N. B.; Strom, D.; Strube, J.; Torrence, E.; Castelli, G.; Feltresi, E.; Gagliardi, N.; Margoni, M.; Morandin, M.; Posocco, M.; Rotondo, M.; Simonetto, F.; Stroili, R.; Ben-Haim, E.; Bonneaud, G. R.; Briand, H.; Calderini, G.; Chauveau, J.; Hamon, O.; Leruste, Ph.; Marchiori, G.; Ocariz, J.; Prendki, J.; Sitt, S.; Biasini, M.; Manoni, E.; Rossi, A.; Angelini, C.; Batignani, G.; Bettarini, S.; Carpinelli, M.; Casarosa, G.; Cervelli, A.; Forti, F.; Giorgi, M. A.; Lusiani, A.; Neri, N.; Paoloni, E.; Rizzo, G.; Walsh, J. J.; Lopes Pegna, D.; Lu, C.; Olsen, J.; Smith, A. J. S.; Telnov, A. V.; Anulli, F.; Baracchini, E.; Cavoto, G.; Faccini, R.; Ferrarotto, F.; Ferroni, F.; Gaspero, M.; Li Gioi, L.; Mazzoni, M. A.; Piredda, G.; Renga, F.; Hartmann, T.; Leddig, T.; Schröder, H.; Waldi, R.; Adye, T.; Franek, B.; Olaiya, E. O.; Wilson, F. F.; Emery, S.; Hamel de Monchenault, G.; Vasseur, G.; Yèche, Ch.; Zito, M.; Allen, M. T.; Aston, D.; Bard, D. J.; Bartoldus, R.; Benitez, J. F.; Cartaro, C.; Convery, M. R.; Dorfan, J.; Dubois-Felsmann, G. P.; Dunwoodie, W.; Field, R. C.; Franco Sevilla, M.; Fulsom, B. G.; Gabareen, A. M.; Graham, M. T.; Grenier, P.; Hast, C.; Innes, W. R.; Kelsey, M. H.; Kim, H.; Kim, P.; Kocian, M. L.; Leith, D. W. G. S.; Li, S.; Lindquist, B.; Luitz, S.; Lynch, H. L.

2011-03-01T23:59:59.000Z

342

Special Projects Branch  

E-Print Network [OSTI]

On June 6, 2005, you submitted a U.S. Department of Energy (DOE) report providing the basis for DOE’s cost estimate for dispositioning depleted uranium generated at your proposed uranium enrichment facility in

Dear Mr. Krich; Joseph G. Giitter; S Troy Harris/lovington; James Ferl; Cty John Parker/nmed

2006-01-01T23:59:59.000Z

343

THE DUST BUDGET OF THE SMALL MAGELLANIC CLOUD: ARE ASYMPTOTIC GIANT BRANCH STARS THE PRIMARY DUST SOURCE AT LOW METALLICITY?  

SciTech Connect (OSTI)

We estimate the total dust input from the cool evolved stars in the Small Magellanic Cloud, using the 8 {mu}m excess emission as a proxy for the dust-production rate (DPR). We find that asymptotic giant branch (AGB) and red supergiant (RSG) stars produce (8.6-9.5) Multiplication-Sign 10{sup -7} M{sub Sun} yr{sup -1} of dust, depending on the fraction of far-infrared sources that belong to the evolved star population (with 10%-50% uncertainty in individual DPRs). RSGs contribute the least (<4%), while carbon-rich AGB stars (especially the so-called extreme AGB stars) account for 87%-89% of the total dust input from cool evolved stars. We also estimate the dust input from hot stars and supernovae (SNe), and find that if SNe produce 10{sup -3} M{sub Sun} of dust each, then the total SN dust input and AGB input are roughly equivalent. We consider several scenarios of SN dust production and destruction and find that the interstellar medium (ISM) dust can be accounted for solely by stellar sources if all SNe produce dust in the quantities seen around the dustiest examples and if most SNe explode in dense regions where much of the ISM dust is shielded from the shocks. We find that AGB stars contribute only 2.1% of the ISM dust. Without a net positive contribution from SNe to the dust budget, this suggests that dust must grow in the ISM or be formed by another unknown mechanism.

Boyer, M. L.; Gordon, K. D.; Meixner, M.; Sargent, B. A. [STScI, 3700 San Martin Drive, Baltimore, MD 21218 (United States); Srinivasan, S. [UPMC-CNRS UMR7095, Institut d'Astrophysique de Paris, F-75014 Paris (France); Riebel, D. [Department of Physics and Astronomy, The Johns Hopkins University, Homewood Campus, Baltimore, MD 21218 (United States); McDonald, I. [Jodrell Bank Centre for Astrophysics, Alan Turing Building, University of Manchester, Manchester M13 9PL (United Kingdom); Van Loon, J. Th. [Astrophysics Group, Lennard-Jones Laboratories, Keele University, Staffordshire ST5 5BG (United Kingdom); Clayton, G. C. [Department of Physics and Astronomy, Louisiana State University, 233-A Nicholson Hall, Tower Dr., Baton Rouge, LA 70803-4001 (United States); Sloan, G. C., E-mail: mboyer@stsci.edu [Astronomy Department, Cornell University, Ithaca, NY 14853-6801 (United States)

2012-03-20T23:59:59.000Z

344

Evolution of asymptotic giant branch stars II. Optical to far-infrared isochrones with improved TP-AGB models  

E-Print Network [OSTI]

We present a large set of theoretical isochrones, whose distinctive features mostly reside on the greatly improved treatment of the thermally pulsing asymptotic giant branch (TP-AGB) phase. Essentially, we have coupled the TP-AGB tracks described in Paper I, at their stages of pre-flash quiescent H-shell burning, with the evolutionary tracks for the previous evolutionary phases from Girardi et al. (2000). Theoretical isochrones for any intermediate value of age and metallicity are then derived by interpolation in the grids. We take care that the isochrones keep, to a good level of detail, the several peculiarities present in these TP-AGB tracks. Theoretical isochrones are then converted to about 20 different photometric systems -- including traditional ground-based systems, and those of recent major wide-field surveys such as SDSS, OGLE, DENIS, 2MASS, UKIDSS, etc., -- by means of synthetic photometry applied to an updated library of stellar spectra, suitably extended to include C-type stars. Finally, we correct the predicted photometry by the effect of circumstellar dust during the mass-losing stages of the AGB evolution, which allows us to improve the results for the optical-to-infrared systems, and to simulate mid- and far-IR systems such as those of Spitzer and AKARI. Access to the data is provided both via a web repository of static tables (http://stev.oapd.inaf.it/dustyAGB07 and CDS), and via an interactive web interface (http://stev.oapd.inaf.it/cmd) that provides tables for any intermediate value of age and metallicity, for several photometric systems, and for different choices of dust properties.

Paola Marigo; Leo Girardi; Alessandro Bressan; Martin A. T. Groenewegen; Laura Silva; Gian Luigi Granato

2008-02-11T23:59:59.000Z

345

Precise Branching Ratio Measurements of the Decays D0-->pi- pi+ pi0 and D0-->K- K+ pi0  

E-Print Network [OSTI]

Using 232 fb-1 of e+e- collision data recorded by the BaBar experiment, we measure the ratios of three-body Cabibbo-suppressed decay rates of the D^0 meson relative to that of the Cabibbo-favored decay: B(D0 --> pi- pi+ pi0)/ B(D0 --> K- pi+ pi0) = (10.59 +/- 0.06 +/- 0.13).10^{-2} and B(D0 --> K- K+ pi0)/ B(D0 --> K- pi+ pi0) = (2.37 +/- 0.03 +/- 0.04). 10^{-2}, where the errors are statistical and systematic respectively. The precisions of these measurements are significantly better than those of the current world average values.We note that the second result differs significantly from the current world average value. Using the PDG-2006 value for D0 --> K- pi+ pi0 branching fraction, we obtain, B(D0 --> pi- pi+ pi0) = (1.493 +/- 0.008 +/- 0.018 +/- 0.053). 10^{-2}, B(D0 --> K- K+ pi0) = (0.334 +/- 0.004 +/- 0.006 +/- 0.012). 10^{-2}, where the errors are statistical, systematic, and due to the uncertainty of B(D0 --> K- pi+ pi0). The average squared matrix elements for both of the singly Cabibbo-suppressed decays are roughly a factor of sin^2 \\theta_C smaller than that for the Cabibbo-favored decay and are therefore, in contrast to the corresponding two-body modes, consistent with the naive expectations.

The BABAR Collaboration; B. Aubert

2006-08-03T23:59:59.000Z

346

The Upper Asymptotic Giant Branch of the Elliptical Galaxy Maffei 1, and Comparisons with M32 and NGC 5128  

E-Print Network [OSTI]

Deep near-infrared images obtained with adaptive optics systems on the Gemini North and Canada-France-Hawaii telescopes are used to investigate the bright stellar content and central regions of the nearby elliptical galaxy Maffei 1. Stars evolving on the upper asymptotic giant branch (AGB) are resolved in a field 3 arcmin from the center of the galaxy. The locus of bright giants on the (K, H-K) color-magnitude diagram is consistent with a population of stars like those in Baade's Window reddened by E(H-K) = 0.28 +/- 0.05 mag. This corresponds to A_V = 4.5 +/- 0.8 mag, and is consistent with previous estimates of the line of sight extinction computed from the integrated properties of Maffei 1. The AGB-tip occurs at K = 20.0, which correponds to M_K = -8.7; hence, the AGB-tip brightness in Maffei 1 is comparable to that in M32, NGC 5128, and the bulges of M31 and the Milky-Way. The near-infrared luminosity functions (LFs) of bright AGB stars in Maffei 1, M32, and NGC 5128 are also in excellent agreement, both in terms of overall shape and the relative density of infrared-bright stars with respect to the fainter stars that dominate the light at visible and red wavelengths. It is concluded that the brightest AGB stars in Maffei 1, NGC 5128, M32, and the bulge of M31 trace an old, metal-rich population, rather than an intermediate age population. It is also demonstrated that Maffei 1 contains a distinct red nucleus, and this is likely the optical signature of low-level nuclear activity and/or a distinct central stellar population. Finally, there is an absence of globular clusters brighter than the peak of the globular cluster LF in the central 700 x 700 parsecs of Maffei 1.

T. J. Davidge

2002-07-04T23:59:59.000Z

347

THE S{sup 4}G PERSPECTIVE ON CIRCUMSTELLAR DUST EXTINCTION OF ASYMPTOTIC GIANT BRANCH STARS IN M100  

SciTech Connect (OSTI)

We examine the effect of circumstellar dust extinction on the near-IR (NIR) contribution of asymptotic giant branch (AGB) stars in intermediate-age clusters throughout the disk of M100. For our sample of 17 AGB-dominated clusters we extract optical-to-mid-IR spectral energy distributions (SEDs) and find that NIR brightness is coupled to the mid-IR dust emission in such a way that a significant reduction of AGB light, of up to 1 mag in the K band, follows from extinction by the dust shell formed during this stage. Since the dust optical depth varies with AGB chemistry (C-rich or O-rich), our results suggest that the contribution of AGB stars to the flux from their host clusters will be closely linked to the metallicity and the progenitor mass of the AGB star, to which dust chemistry and mass-loss rate are sensitive. Our sample of clusters-each the analogue of a {approx}1 Gyr old post-starburst galaxy-has implications within the context of mass and age estimation via SED modeling at high-z: we find that the average {approx}0.5 mag extinction estimated here may be sufficient to reduce the AGB contribution in the (rest-frame) K band from {approx}70%, as predicted in the latest generation of synthesis models, to {approx}35%. Our technique for selecting AGB-dominated clusters in nearby galaxies promises to be effective for discriminating the uncertainties associated with AGB stars in intermediate-age populations that plague age and mass estimation in high-z galaxies.

Meidt, Sharon E.; Schinnerer, Eva [Max-Planck-Institut fuer Astronomie/Koenigstuhl 17, D-69117 Heidelberg (Germany); Munoz-Mateos, Juan-Carlos; Kim, Taehyun [National Radio Astronomy Observatory, Charlottesville, VA (United States); Holwerda, Benne [European Space Agency, ESTEC, Keplerlaan 1, 2200 AG, Noordwijk (Netherlands); Ho, Luis C.; Madore, Barry F.; Sheth, Kartik; Menendez-Delmestre, Karin; Seibert, Mark [The Observatories of the Carnegie Institution for Science, Pasadena, CA (United States); Knapen, Johan H. [Instituto de Astrofisica de Canarias, Tenerife (Spain); Bosma, Albert; Athanassoula, E. [Laboratoire d'Astrophysique de Marseille (LAM), Marseille (France); Hinz, Joannah L. [Department of Astronomy, University of Arizona, Tucson, AZ (United States); Regan, Michael [Space Telescope Science Institute, Baltimore, MD (United States); De Paz, Armando Gil [Departamento de Astrofisica, Universidad Complutense Madrid, Madrid (Spain); Mizusawa, Trisha [Spitzer Science Center, Pasadena, CA (United States); Gadotti, Dimitri A. [European Southern Observatory, Santiago (Chile); Laurikainen, Eija; Salo, Heikki [Astronomy Division, Department of Physical Sciences, University of Oulu, Oulu (Finland); and others

2012-04-01T23:59:59.000Z

348

Ab Initio/RRKM Study of the Potential Energy Surface of Triplet Ethylene and Product Branching Ratios of the C(3P) + CH4 Reaction  

E-Print Network [OSTI]

Ab Initio/RRKM Study of the Potential Energy Surface of Triplet Ethylene and Product Branching originating from the collision energy (12.2 kcal/mol), the sole reaction products are C2H3 + H, where 90 potential energy surface for the C(3P) + CH4 reaction have been performed using the CCSD(T)/6-311+G(3df,2p

Nguyen, Minh Tho

349

Measurement of the B0 ---> Psi (2S) Lambda0 Branching Fraction on BaBar at the Stanford Linear Accelerator Center (Abstract Only)  

SciTech Connect (OSTI)

The decays of B{sup 0} mesons to hadronic final states remains a rich area of physics on BaBar. Not only do the c{bar c}-K final states (e.g. B{sup 0} {yields} {psi}(2S)K{sup 0}) allow for the measurement of CP Violation, but the branching fractions provide a sensitive test of the theoretical methods used to account for low energy non-perturbative QCD effects. They present the measurement of the branching fraction for the decay B{sup 0} {yields} {psi}(2S)K{sub s}. The data set consists of 88.8 {+-} 1.0 x 10{sup 6} B{bar b} pairs collected on the e{sup +}e{sup -} {yields} {Upsilon}(4S) resonance on BaBar/PEP-II at the Stanford Linear Accelerator Center (SLAC). This analysis features a modification of present cuts, with respect to those published so far on BaBar, on the K{sub S} {yields} {pi}{sup +}{pi}{sup -} and {psi}(2S) {yields} J/{psi}{pi}{sup +}{pi}{sup -} which aim at reducing the background while keeping the signal intact. Various data selection criteria are studied for the lepton modes (e{sup +}e{sup -} and {mu}{sup +}{mu}{sup -}) of the J/{psi} and {psi}(2S) to improve signal purity as well as study the stability of the resultant branching fractions.

Olivas, Alexander Raymond, Jr.; /Colorado U.

2005-11-16T23:59:59.000Z

350

SUPERNOVA EXPLOSIONS OF SUPER-ASYMPTOTIC GIANT BRANCH STARS: MULTICOLOR LIGHT CURVES OF ELECTRON-CAPTURE SUPERNOVAE  

SciTech Connect (OSTI)

An electron-capture supernova (ECSN) is a core-collapse supernova (CCSN) explosion of a super-asymptotic giant branch (SAGB) star with a main-sequence mass M{sub MS} {approx} 7-9.5 M{sub Sun }. The explosion takes place in accordance with core bounce and subsequent neutrino heating and is a unique example successfully produced by first-principle simulations. This allows us to derive a first self-consistent multicolor light curve of a CCSN. Adopting the explosion properties derived by the first-principle simulation, i.e., the low explosion energy of 1.5 Multiplication-Sign 10{sup 50} erg and the small {sup 56}Ni mass of 2.5 Multiplication-Sign 10{sup -3} M{sub Sun }, we perform a multi-group radiation hydrodynamics calculation of ECSNe and present multicolor light curves of ECSNe of SAGB stars with various envelope masses and hydrogen abundances. We demonstrate that a shock breakout has a peak luminosity of L {approx} 2 Multiplication-Sign 10{sup 44} erg s{sup -1} and can evaporate circumstellar dust up to R {approx} 10{sup 17} cm for the case of carbon dust, that the plateau luminosity and plateau duration of ECSNe are L {approx} 10{sup 42} erg s{sup -1} and t {approx} 60-100 days, respectively, and that a plateau is followed by a tail with a luminosity drop by {approx}4 mag. The ECSN shows a bright and short plateau that is as bright as typical Type II plateau supernovae, and a faint tail that might be influenced by the spin-down luminosity of a newborn pulsar. Furthermore, the theoretical models are compared with ECSN candidates: SN 1054 and SN 2008S. We find that SN 1054 shares the characteristics of the ECSNe. For SN 2008S, we find that its faint plateau requires an ECSN model with a significantly low explosion energy of E {approx} 10{sup 48} erg.

Tominaga, Nozomu [Department of Physics, Faculty of Science and Engineering, Konan University, 8-9-1 Okamoto, Kobe, Hyogo 658-8501 (Japan); Blinnikov, Sergei I. [Institute for Theoretical and Experimental Physics (ITEP), Moscow 117218 (Russian Federation); Nomoto, Ken'ichi, E-mail: tominaga@konan-u.ac.jp, E-mail: Sergei.Blinnikov@itep.ru, E-mail: nomoto@astron.s.u-tokyo.ac.jp [Kavli Institute for the Physics and Mathematics of the Universe (WPI), University of Tokyo, 5-1-5 Kashiwanoha, Kashiwa, Chiba 277-8583 (Japan)

2013-07-01T23:59:59.000Z

351

Characterization Activities to Evaluate Chlorinated Solvent Discharges to Tims Branch from the A/M Area of the Savannah River Site  

SciTech Connect (OSTI)

The objective of this investigation was to identify those regions of plume outcrop along Tims Branch southeast of A/M Area and to establish fixed monitoring points along the seepline to evaluate proposed remediation needs and to support long-term monitoring activities in the vicinity of the seepline. The characterization approach employed in completing these tasks was dynamic and graded. Three stages of characterization were used to evaluate the outcrop region, with the results from each of the previous activities used to direct subsequent characterization.

Jackson, D.G.

2001-02-23T23:59:59.000Z

352

Measurement of branching ratio and B0s lifetime in the decay B0s ? J/? f0(980) at CDF  

DOE Public Access Gateway for Energy & Science Beta (PAGES Beta)

We present a study of Bs0 decays to the CP-odd final state J/? f0(980) with J/? ? µ+µ- and f0(980) ? ?+?-. Using pp? collision data with an integrated luminosity of 3.8 fb-1 collected by the CDF II detector at the Tevatron we measure a Bs0 lifetime of ?(B0s ? J/? f0(980)) = 1.70-0.11+0.12(stat) ± 0.03(syst) ps. This is the first measurement of the Bs0} lifetime in a decay to a CP eigenstate and corresponds in the standard model to the lifetime of the heavy Bs0 eigenstate. We also measure the product of branching fractions of B0s ? J/? f0(980) and f0(980) ? ?+?- relative to the product of branching fractions of B0s ? J/?? and ??K+K- to be Rf0/? = 0.257 ± 0.020(stat) ± 0.014(syst), which is the most precise determination of this quantity to date.

Aaltonen, T [Helsinki Inst. of Phys.; Gonzalez, B Alvarez [Oviedo U.; Cantabria Inst. of Phys.; Amerio, S [INFN, Padua; Amidei, D [Michigan U.; Anastassov, A [Northwestern U.; Annovi, A [Frascati; Antos, J [Comenius U.; Apollinari, G [Fermilab; Appel, J A [Fermilab; Apresyan, A [Purdue U.; Arisawa, T [Waseda U.; Dubna, JINR

2011-09-30T23:59:59.000Z

353

Improved Measurements of Branching Fractions for B0 -> pi+pi-, K+pi-, and Search for B0 -> K+K-  

SciTech Connect (OSTI)

We present preliminary measurements of branching fractions for the charmless two-body decays B{sup 0} {yields} {pi}{sup +}{pi}{sup -} and K{sup +}{pi}{sup -}, and a search for B{sup 0} {yields} K{sup +}K{sup -} using a data sample of approximately 227 million B{bar B} decays. Signal yields are extracted with a multi-dimensional maximum likelihood fit, and the efficiency is corrected for the effects of final-state radiation. We find the charge-averaged branching fractions (in units of 10{sup -6}): {Beta}(B{sup 0} {yields} {pi}{sup +}{pi}{sup -}) = 5.5 {+-} 0.4 {+-} 0.3; {Beta}(B{sup 0} {yields} K{sup +}{pi}{sup -}) = 19.2 {+-} 0.6 {+-} 0.6; and {Beta}(B{sup 0} {yields} K{sup +}K{sup -}) = < 0.40. The errors are statistical followed by systematic, and the upper limit on K{sup +}K{sup -} represents a confidence level of 90%.

Aubert, B.; Barate, R.; Boutigny, D.; Couderc, F.; Karyotakis, Y.; Lees, J.P.; Poireau, V.; Tisserand, V.; Zghiche, A.; /Annecy, LAPP; Grauges, E.; /Barcelona, IFAE; Palano, A.; Pappagallo, M.; Pompili, A.; /Bari U. /INFN, Bari; Chen, J.C.; Qi, N.D.; Rong, G.; Wang, P.; Zhu, Y.S.; /Beijing, Inst. High Energy Phys.; Eigen, G.; Ofte, I.; Stugu, B. /Bergen U. /LBL, Berkeley /UC, Berkeley /Birmingham U. /Ruhr U., Bochum /Bristol U. /British Columbia U. /Brunel U. /Novosibirsk, IYF /UC, Irvine /UCLA /UC, Riverside /UC, San

2005-09-28T23:59:59.000Z

354

A Large Stellar Evolution Database for Population Synthesis Studies. III. Inclusion of the full Asymptotic Giant Branch phase and Web tools for stellar population analyses  

E-Print Network [OSTI]

Stellar evolution tracks and isochrones are key inputs for a wide range of astrophysical studies; in particular, they are essential to the interpretation of photometric and spectroscopic observations of resolved and unresolved stellar populations. We have made available to the astrophysical community a large, homogenous database of up-to-date stellar tracks and isochrones, and a set of programs useful in population synthesis studies. In this paper we first summarize the main properties of our stellar model database (BaSTI) already introduced in Pietrinferni et al. (2004) and Pietrinferni et al. (2006). We then discuss an important update of the database, i.e., the extension of all stellar models and isochrones until the end of the thermal pulses along the Asymptotic Giant Branch. This extension of the library is particularly relevant for stellar population analyses in the near-infrared, or longer wavelengths, where the contribution to the integrated photometric properties by cool and bright Asymptotic Giant Branch stars is significant. A few comparisons with empirical data are also presentend and briefly discussed. We then present three web-tools that allow an interactive access to the database, and make possible to compute user-specified evolutionary tracks, isochrones, stellar luminosity functions, plus synthetic Color-Magnitude-Diagrams and integrated magnitudes for arbitrary Star Formation Histories. All these web tools are available at the BaSTI database official site: http://www.oa-teramo.inaf.it/BASTI.

Daniel Cordier; Adriano Pietrinferni; Santi Cassisi; Maurizio Salaris

2006-12-21T23:59:59.000Z

355

Trace Element Analysis At Walker-Lane Transitional Zone Region...  

Open Energy Info (EERE)

diagnostic lithogeochemical tool for geothermal exploration, the analysis of lithium and other elements in tufa deposits could serve as exploration guides for hot spring...

356

A Method for Creating Collaborative Mobile Learning Trails Kevin Walker  

E-Print Network [OSTI]

or exhibit of interest. Introduction This research explores the use of mobile technology to create project; · the Mobile Learning in Informal Science Settings project; · the Philosophy of Technology hypotheses? · How does the use of web-linked mobile technology change the process of the above activities

Paris-Sud XI, Université de

357

Geographic Information System At Walker-Lane Transitional Zone...  

Open Energy Info (EERE)

will be made available to industry and researchers on a web site. Relationships among the data will be explored using spatial statistical analysis, and regional assessments and...

358

Faster high-quality processor allocation Peter Walker 1  

E-Print Network [OSTI]

and mesh dimensions are powers of 2. Furthermore, these algorithms are much faster than MC1x1, which takes]. Reduced contention is not suffi- cient to compensate for this utilization drop [6]. Thus, research has focused on noncontiguous allocators (e.g. [7], [8], [1], Shell 2 X Shell 0 Shell 1 Fig. 1. MC1x1's shells

Bunde, David

359

Walker Institute for Climate System Research Research Highlights  

E-Print Network [OSTI]

Director's outlook 3 About us 4 Impacts and consequences A changing climate for Africa 6 Renewable energy Reflecting the Sun's energy to cool the planet 36 Our people 38 #12;3 Director's outlook I am very pleased and you can see a selection of our research here. The recent UK Climate Change Risk Assessment and the UN

Lucarini, Valerio

360

Walker Institute for Climate System Research Research Highlights  

E-Print Network [OSTI]

. The UK act calls for national risk assessments and for bodies such as water and energy utilities Director's outlook 3 About us 4 Understanding 7 African rainfall 8 Climate variability and change;3 Director's outlook Welcome to our first issue of Research Highlights. This publication gives you

Lucarini, Valerio

Note: This page contains sample records for the topic "walker branch throughfall" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


361

1 00/XXXX Crown copyright Gilbert Walker: A pioneer of  

E-Print Network [OSTI]

was hearing cannon fired in Sheffield for the repeal of the Corn Laws in 1839 1844 to 1848, went and Surveyor to the Croydon Local Board of Health In 1888, Thomas was responsible for the construction

Lucarini, Valerio

362

aeneolamia postica walker: Topics by E-print Network  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

it is theoretically challenging (4 degrees of under-actuation), the mechanical design of the robot made it relatively easy to create controllers which allowed the robot to...

363

N.W.WALKER RD. N.W. HOLLY ST.  

E-Print Network [OSTI]

.......................................................... 7 Central Stores/Bioengineering Building 618 .......... 24 Cold Storage 628

Chapman, Michael S.

364

Direct-Current Resistivity Survey At Walker-Lane Transitional...  

Open Energy Info (EERE)

Activity Date Usefulness useful DOE-funding Unknown Notes NOTE: These are theoreticalcomputer simulation tests of various methods on eight hypothetical 'model' basing-and-range...

365

Thermal Gradient Holes At Walker-Lane Transitional Zone Region...  

Open Energy Info (EERE)

Date Usefulness not useful DOE-funding Unknown Notes NOTE: These are theoreticalcomputer simulation tests of various methods on eight hypothetical 'model' basing-and-range...

366

How I do Knowledge Transfer Prof Peter Walker  

E-Print Network [OSTI]

and public sector organisations. He has plenty of sound advice to offer about what makes such collaborations, providing air-tightness, and using low energy- consumption devices and renewable energy sources. However (formerly known as the Building Research Establishment) Delivering Renewable Materials for Low Energy

Burton, Geoffrey R.

367

Contact line treatment with the sharp interface method Claudio Walker  

E-Print Network [OSTI]

- ing, spray cooling, pesticide spraying, erosion processes due to rain and thermal spray coating vector, µ and are the dynamic viscosity and the density, respectively. The material properties µ

Müller,Bernhard

368

The Logical Approach to Stack Typing Amal Ahmed David Walker  

E-Print Network [OSTI]

. In fact, we have already seen such migration: Grossman et al.'s Cyclone [10] uses Tofte and Talpin's [37 contribution is a logic for reasoning about ad- jacency and separation of memory blocks as well as aliasing

Ahmed, Amal

369

Geographic Information System At Walker-Lane Transitional Zone...  

Open Energy Info (EERE)

systems References D. D. Blackwell, K. W. Wisian, M. C. Richards, Mark Leidig, Richard Smith, Jason McKenna (2003) Geothermal Resource Analysis And Structure Of Basin And Range...

370

Data Acquisition-Manipulation At Walker-Lane Transitional Zone...  

Open Energy Info (EERE)

References D. D. Blackwell, K. W. Wisian, M. C. Richards, Mark Leidig, Richard Smith, Jason McKenna (2003) Geothermal Resource Analysis And Structure Of Basin And Range...

371

ROBERT M. WALKER February 6, 1929-February 12, 2004  

E-Print Network [OSTI]

many students carried weapons. He worked throughout this time as a paper boy, then as delivery boy School of Science, he took the entrance test and was admitted, largely on the strength of his essay a nuclear emulsion experiment across from where Bob was working, and Bob crossed paths with a number #12

Price, P. Buford

372

Modeling-Computer Simulations At Walker-Lane Transitional Zone...  

Open Energy Info (EERE)

and earthquake-monitoring projects, and data donated from mining, geothermal, and petroleum companies. We also collected (May 2002 and August 2004) two new crustal refraction...

373

Geothermal Literature Review At Walker-Lane Transitional Zone...  

Open Energy Info (EERE)

and earthquake-monitoring projects, and data donated from mining, geothermal, and petroleum companies. We also collected (May 2002 and August 2004) two new crustal refraction...

374

Magnetotellurics At Walker-Lane Transitional Zone Region (Pritchett, 2004)  

Open Energy Info (EERE)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home5b9fcbce19 No revision hasInformation Earth's Heat JumpIncMAKGalway Bay(Held & Henderson,McgeeInformation U.S. West|

375

Walker County, Alabama: Energy Resources | Open Energy Information  

Open Energy Info (EERE)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data CenterFranconia, Virginia:FAQ < RAPID Jump to:Seadov PtyInformationSEDS data JumpWakulla County, Florida: EnergyWaldoWales is

376

Walker County, Georgia: Energy Resources | Open Energy Information  

Open Energy Info (EERE)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data CenterFranconia, Virginia:FAQ < RAPID Jump to:Seadov PtyInformationSEDS data JumpWakulla County, Florida: EnergyWaldoWales

377

Walker County, Texas: Energy Resources | Open Energy Information  

Open Energy Info (EERE)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data CenterFranconia, Virginia:FAQ < RAPID Jump to:Seadov PtyInformationSEDS data JumpWakulla County, Florida: EnergyWaldoWales6457951°

378

Walker Lake Valley Geothermal Area | Open Energy Information  

Open Energy Info (EERE)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data CenterFranconia, Virginia:FAQ < RAPID Jump to:Seadov PtyInformationSEDS data JumpWakulla County, Florida:

379

Walker Valley, New York: Energy Resources | Open Energy Information  

Open Energy Info (EERE)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data CenterFranconia, Virginia:FAQ < RAPID Jump to:Seadov PtyInformationSEDS data JumpWakulla County, Florida:(Redirected from

380

Walker-Lane Transition Zone Geothermal Region | Open Energy Information  

Open Energy Info (EERE)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data CenterFranconia, Virginia:FAQ < RAPID Jump to:Seadov PtyInformationSEDS data JumpWakulla County, Florida:(Redirected

Note: This page contains sample records for the topic "walker branch throughfall" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


381

Modeling-Computer Simulations (Walker, Et Al., 2005) | Open Energy  

Open Energy Info (EERE)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data CenterFranconia, Virginia: Energy Resources Jump to:46 -Energieprojekte GmbHMilo, Maine:EnergyInformation Lewicki &Information

382

MHK Projects/Walker Bend Project | Open Energy Information  

Open Energy Info (EERE)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data CenterFranconia, Virginia: Energy Resources Jump to:46 - 429Lacey,(MonasterLowell Point, Alaska:LuzClickKembla <Greenville, MS Project

383

Walker-Lane Transition Zone Geothermal Region | Open Energy Information  

Open Energy Info (EERE)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home5b9fcbce19 NoPublic Utilities Address: 160 East 300 South Place: Salt Lake City,Division of OilGuyane8031909°,Wales Wind

384

Geographic Information System At Walker-Lane Transitional Zone Region  

Open Energy Info (EERE)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data CenterFranconia, Virginia: Energy Resources Jump to: navigation, searchGeauga County, Ohio: EnergySector:2008) | OpenJohnson,

385

Geographic Information System At Walker-Lane Transitional Zone Region  

Open Energy Info (EERE)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data CenterFranconia, Virginia: Energy Resources Jump to: navigation, searchGeauga County, Ohio: EnergySector:2008) | OpenJohnson,(Coolbaugh, Et

386

Geographic Information System At Walker-Lane Transitional Zone Region  

Open Energy Info (EERE)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data CenterFranconia, Virginia: Energy Resources Jump to: navigation, searchGeauga County, Ohio: EnergySector:2008) | OpenJohnson,(Coolbaugh,

387

Geothermal Literature Review At Walker-Lane Transitional Zone Region  

Open Energy Info (EERE)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data CenterFranconia, Virginia: Energy Resources Jump to: navigation, searchGeauga County,Information(EC-LEDS)Et1957) |(Ward,

388

Geodetic Constraints on Contemporary Deformation in the Northern Walker  

Open Energy Info (EERE)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home5b9fcbce19 No revision has beenFfe2fb55-352f-473b-a2dd-50ae8b27f0a6TheoreticalFuelCellGemini SolarAssetsofLane: 2. Velocity and

389

Teleseismic-Seismic Monitoring At Walker-Lane Transitional Zone...  

Open Energy Info (EERE)

Unknown References Glenn Biasi, Leiph Preston, Ileana Tibuleac (2009) Body Wave Tomography For Regional Scale Assessment Of Geothermal Indicators In The Western Great Basin...

390

Measurement of the Ratio of Branching Fractions Br(Bs -> Ds- pi+)/Br(B -> D- pi+) at CDF-II  

SciTech Connect (OSTI)

The measurement of B{sub s}{sup 0} mixing is one of the flagship analyses for the Run II B physics program. The sensitivity of the measurement to the frequency of B{sub s}{sup 0} oscillations strongly depends on the number of reconstructed B{sub s}{sup 0} mesons. They present the measurement of the ratio of branching fractions Br(B{sub s}{sup 0} {yields} D{sub s}{sup -}{pi}{sup +})/Br(B{sup 0} {yields} D{sup -}{pi}{sup +}), which directly influences the number of B{sub s}{sup 0} events available for the measurement of B{sub s}{sup 0} mixing at CDF-II. They analyze 115 pb{sup -1} of data collected with the CDF-II detector in p{bar p} collisions at {radical}s = 1.96 TeV using a novel displaced track trigger. They reconstruct 78 {+-} 11 B{sub s}{sup 0} {yields} D{sub s}{sup -}{pi}{sup +} decays at 1153 {+-} 45 B{sup 0} {yields} D{sup -}{pi}{sup +} decays with good signal to background ratio. This is the world's largest sample of fully reconstructed B{sub s}{sup 0} {yields} D{sub s}{sup -}{pi}{sup +} decays. They find the ratio of production fractions multiplied by the ratio of branching fractions to be: f{sub s}/f{sub d} {center_dot} Br(B{sub s}{sup 0} {yields} D{sub s}{sup -}{pi}{sup +})/Br(B{sup 0} {yields} D{sup -}{pi}{sup +}) = 0.325 {+-} 0.046(stat) {+-} 0.034(syst) {+-} 0.084 (BR). Using the world average value of f{sub s}/f{sub d} = 0.26 {+-} 0.03, we infer that the ratio of branching fractions is: Br(B{sub s}{sup 0} {yields} D{sub s}{sup -}{pi}{sup +})/Br(B{sup 0} {yields} D{sup -}{pi}{sup +}) = 1.25 {+-} 0.18(stat) {+-} 0.13(syst) {+-} 0.32(BR) {+-} 0.14(PR) where the last uncertainty is due to the uncertainty on the world average measurement of the ratio of B{sub s}{sup 0} to B{sup 0} production rates, f{sub s}/f{sub d}.

Furic, Ivan Kresimir; /MIT

2004-03-01T23:59:59.000Z

391

Results of the quarterly tritium survey of Fourmile Branch and its seeplines in the F- and H-Areas of SRS: September 1993  

SciTech Connect (OSTI)

The Environmental Sciences Section (ESS) established a quarterly monitoring program of the Fourmile Branch (FMB) seepline down gradient from the F- and H-Area seepage basins. The program surveys and tracks changes in tritium, specific conductivity, and pH for the seepline water. Measurements from the sixth quarterly survey (September 1993) showed higher tritium and conductivity measurements and higher pH values (pH 5 - 6) than measurements from previous studies. Increased tritium concentrations and conductivity values, as compared to previous surveys, were attributed to decreased rainfall prior to the sampling event However, overall results of the tritium survey and stream monitoring data (Looney et al., 1993) suggest that the tritium plume is flushing from the FMB system.

Dixon, K.L.; Rogers, V.A.; Looney, B.B.

1994-06-01T23:59:59.000Z

392

Measurement of the Branching Fraction for D8+ rarr tau+nu_tau and Extraction of the Decay Constant f_D_s  

SciTech Connect (OSTI)

The branching fraction for the decay D{sub s}{sup +} {yields} {tau}{sup +}{nu}{sub {tau}} with {tau}{sup +} {yields} e{sup +}{bar {nu}}{sub {tau}}, is measured using a data sample corresponding to an integrated luminosity of 427 fb{sup -1} collected at center of mass energies near 10.58 GeV with the BABAR detector at the PEP-II asymmetric-energy e{sup +}e{sup -} collider at SLAC. In the process e{sup +}e{sup -} {yields} c{bar c} {yields} D*{sub s}{sup +} {bar D}{sub TAG}{bar K}X, the D*{sub s}{sup +} meson is reconstructed as a missing particle, and the subsequent decay D*{sub s}{sup +} {yields} D{sub s}{sup +}{gamma} yields an inclusive D{sub s}{sup +} data sample. Here {bar D}{sub TAG} refers to a fully reconstructed hadronic {bar D} decay, {bar K} is a K{sup -} or {bar K}{sup 0}, and X stands for any number of charged or neutral pions. The decay D{sub s}{sup +} {yields} K{sub S}{sup 0}K{sup +} is isolated also, and from ratio of event yields and known branching fractions, {Beta}(D{sub s}{sup +} {yields} {tau}{sup +}{nu}{sub {tau}}) = (4.5 {+-} 0.5 {+-} 0.4 {+-} 0.3)% is determined. The pseudoscalar decay constant is extracted to be f{sub D{sub s}} = (233 {+-} 13 {+-} 10 {+-} 7) MeV, where the first uncertainty is statistical, the second is systematic, and the third results from the uncertainties on the external measurements used as input to the calculation.

Lees, J.P.; Poireau, V.; Prencipe, E.; Tisserand, V.; /Annecy, LAPP; Garra Tico, J.; Grauges, E.; /Barcelona U., ECM; Martinelli, M.; Palano, A.; Pappagallo, M.; /INFN, Bari /Bari U.; Eigen, G.; Stugu, B.; Sun, L.; /Bergen U.; Battaglia, M.; Brown, D.N.; Hooberman, B.; Kerth, L.T.; Kolomensky, Yu.G.; Lynch, G.; Osipenkov, I.L.; Tanabe, T.; /UC, Berkeley; Hawkes, C.M.; /Birmingham U. /Ruhr U., Bochum /British Columbia U. /Brunel U. /Novosibirsk, IYF /UC, Irvine /UC, Riverside /UC, San Diego /UC, Santa Barbara /UC, Santa Cruz /Caltech /Cincinnati U. /Colorado U. /Colorado State U. /Dortmund U. /Dresden, Tech. U. /Ecole Polytechnique /Edinburgh U. /INFN, Ferrara /Ferrara U. /INFN, Ferrara /INFN, Ferrara /Ferrara U. /INFN, Ferrara /INFN, Ferrara /Ferrara U. /Frascati /INFN, Genoa /Genoa U. /INFN, Genoa /INFN, Genoa /Genoa U. /INFN, Genoa /INFN, Genoa /Genoa U. /Indian Inst. Tech., Guwahati /Harvard U. /Heidelberg U. /Humboldt U., Berlin /Imperial Coll., London /Iowa State U. /Iowa State U. /Johns Hopkins U. /Orsay, LAL /LLNL, Livermore /Liverpool U. /Queen Mary, U. of London /Royal Holloway, U. of London /Louisville U. /Mainz U., Inst. Kernphys. /Manchester U. /Maryland U. /Massachusetts U., Amherst /MIT /McGill U. /INFN, Milan /Milan U. /INFN, Milan /INFN, Milan /Milan U. /Mississippi U. /Montreal U. /INFN, Naples /Naples U. /NIKHEF, Amsterdam /Notre Dame U. /Ohio State U. /Oregon U. /INFN, Padua /Padua U. /INFN, Padua /INFN, Padua /Padua U. /Paris U., VI-VII /INFN, Perugia /Perugia U. /INFN, Pisa /Pisa U. /INFN, Pisa /Pisa, Scuola Normale Superiore /INFN, Pisa /Pisa U. /INFN, Pisa /Princeton U. /INFN, Rome /INFN, Rome /Rome U. /INFN, Rome /INFN, Rome /Rome U. /INFN, Rome /INFN, Rome /Rome U. /INFN, Rome /INFN, Rome /Rome U. /Rostock U. /Rutherford /DAPNIA, Saclay /SLAC /South Carolina U. /Stanford U., Phys. Dept. /SUNY, Albany /Tel Aviv U. /Tennessee U. /Texas U. /Texas U., Dallas /INFN, Turin /Turin U. /INFN, Trieste /Trieste U. /Valencia U. /Victoria U. /Warwick U. /Wisconsin U., Madison

2010-06-04T23:59:59.000Z

393

Bernhard Riegll.3.*, Carlton Heine2.3, George M. Branch3 lJnstitut fur Palaontologie der Universitat Wien, Geozentrum Althanstrasse 17, A-I090 Wien, Austria  

E-Print Network [OSTI]

Africa .,. ABSTRACT: Advantages and disadvantages of a funnel-shaped growth in 2 coral species (Acropora with particular en- vironments: for example, thinly branching species generally occur in areas of low wave energy to an environment with high sedimentation. Although a funnel exposes a high surface area to solar radiation

394

This directory lists main and branch libraries providing direct library service. Use the Public Library Headquarters file (http://www.library.ca.gov/lds/docs/CaliforniaPublicLibraryHeadquartersDirectory.pdf) for more extensive  

E-Print Network [OSTI]

This directory lists main and branch libraries providing direct library service. Use the Public Library Headquarters file (http://www.library.ca.gov/lds/docs/CaliforniaPublicLibraryHeadquartersDirectory, CA 94536-3493 Page 1 of 143Published by the Califorinia State Library. 6/6/2014 rptDirectory

395

Measurement of the branching fraction ${\\mathcal{B}}(\\Lambda^0_b\\rightarrow \\Lambda^+_c\\pi^-\\pi^+\\pi^-)$ at CDF  

SciTech Connect (OSTI)

We report an analysis of the {Lambda}{sub b}{sup 0} {yields} {Lambda}{sub c}{sup +}{pi}{sup -}{pi}{sup +}{pi}{sup -} decay in a data sample collected by the CDF II detector at the Fermilab Tevatron corresponding to 2.4 fb{sup -1} of integrated luminosity. We reconstruct the currently largest samples of the decay modes {Lambda}{sub b}{sup 0} {yields} {Lambda}{sub c}(2595){sup +}{pi}{sup -} (with {Lambda}{sub c}(2595){sup +} {yields} {Lambda}{sub c}{sup +}{pi}{sup +}{pi}{sup -}), {Lambda}{sub b}{sup 0} {yields} {Lambda}{sub c}(2625){sup +}{pi}{sup -} (with {Lambda}{sub c}(2625){sup +} {yields} {Lambda}{sub c}{sup +}{pi}{sup +}{pi}{sup -}), {Lambda}{sub b}{sup 0} {yields} {Sigma}{sub c}(2455){sup ++}{pi}{sup -}{pi}{sup -} (with {Sigma}{sub c}(2455){sup ++} {yields} {Lambda}{sub c}{sup +}{pi}{sup +}), and {Lambda}{sub b}{sup 0} {yields} {Sigma}{sub c}(2455)0{pi}{sup +}{pi}{sup -} (with {Sigma}{sub c}(2455)0 {yields} {Lambda}{sub c}{sup +}{pi}{sup -}) and measure the branching fractions relative to the {Lambda}{sub b}{sup 0} {yields} {Lambda}{sub c}{sup +}{pi}{sup -} branching fraction. We measure the ratio {Beta}({Lambda}{sub b}{sup 0} {yields} {Lambda}{sub c}{sup +}{pi}{sup -}{pi}{sup +}{pi}{sup -})/ {Beta}({Lambda}{sub b}{sup 0} {yields} {Lambda}{sub c}{sup +}{pi}{sup -})=3.04 {+-} 0.33(stat){sub -0.55}{sup +0.70}(syst) which is used to derive {Beta}({Lambda}{sub b}{sup 0} {yields} {Lambda}{sub c}{sup +}{pi}{sup -}{pi}{sup +}{pi}{sup -})=(26.8{sub -11.2}{sup +11.9}) x 10{sup -3}.

Aaltonen, T.; /Helsinki Inst. of Phys.; Alvarez Gonzalez, B.; /Oviedo U. /Cantabria Inst. of Phys.; Amerio, S.; /INFN, Padua; Amidei, D.; /Michigan U.; Anastassov, A.; /Northwestern U. /Fermilab; Annovi, A.; /Frascati; Antos, J.; /Comenius U.; Apollinari, G.; /Fermilab; Appel, J.A.; /Fermilab; Arisawa, T.; /Waseda U.; Artikov, A.; /Dubna, JINR /Texas A-M

2011-12-01T23:59:59.000Z

396

Measurements of branching fraction ratios and CP-asymmetries in suppressed B-? D(? K+?-)K- and B-? D(? K+?-)?- decays  

DOE Public Access Gateway for Energy & Science Beta (PAGES Beta)

We report the first reconstruction in hadron collisions of the suppressed decays B-? D(? K+?-)K- and B-? D(? K+?-)?- decays, sensitive to the CKM phase {gamma}, using data from 7 fb-1 of integrated luminosity collected by the CDF II detector at the Tevatron collider. We reconstruct a signal for the B-? D(? K+?-)K- suppressed mode with a significance of 3.2 standard deviations, and measure the ratios of the suppressed to favored branching fractions R(K) = [22.0 ± 8.6(stat) ± 2.6(syst)] x 10-3, R+(K) = [42.6 ± 13.7(stat) ± 2.8(syst)] x 10-3, R-(K) = [3.8 ± 10.3(stat) ± 2.7(syst)] x 10-3 as well as the direct CP-violating asymmetry A(K) = -0.82±0.44(stat)±0.09(syst) of this mode. Corresponding quantities for B- ? D(? K+?-)?- decay are also reported.

Aaltonen, T. [Helsinki Inst. of Physics; Gonzalez, Alvarez B. [Oviedo U., Cantabria Inst. of Phys.; Amerio, S. [INFN, Padua; Amidei, D. [Michigan U.; Anastassov, A. [Northwestern U.; Annovi, A. [Frascati; Antos, J [Comenius U.; Apollinari, G. [Fermilab; Appel, J. A [Fermilab; Apresyan, A. [Purdue; Arisawa, T. [Waseda U., Dubna, JINR

2011-08-01T23:59:59.000Z

397

Half-lives and branchings for {\\beta}-delayed neutron emission for neutron-rich Co-Cu isotopes in the r-process  

E-Print Network [OSTI]

The {\\beta} decays of very neutron-rich nuclides in the Co-Zn region were studied experimentally at the National Superconducting Cyclotron Laboratory using the NSCL {\\beta}-counting station in conjunction with the neutron detector NERO. We measured the branchings for {\\beta}-delayed neutron emission (Pn values) for 74Co (18 +/- 15%) and 75-77Ni (10 +/- 2.8%, 14 +/- 3.6%, and 30 +/- 24%, respectively) for the first time, and remeasured the Pn values of 77-79Cu, 79,81Zn, and 82Ga. For 77-79Cu and for 81Zn we obtain significantly larger Pn values compared to previous work. While the new half-lives for the Ni isotopes from this experiment had been reported before, we present here in addition the first half-life measurements of 75Co (30 +/- 11 ms) and 80Cu (170+110 -50 ms). Our results are compared with theoretical predictions, and their impact on various types of models for the astrophysical rapid neutron-capture process (r-process) is explored. We find that with our new data, the classical r-process model is bet...

Hosmer, P; Aprahamian, A; Arndt, O; Clement, R R C; Estrade, A; Farouqi, K; Kratz, K -L; Liddick, S N; Lisetskiy, A F; Mantica, P F; Möller, P; Mueller, W F; Montes, F; Morton, A C; Ouellette, M; Pellegrini, E; Pereira, J; Pfeiffer, B; Reeder, P; Santi, P; Steiner, M; Stolz, A; Tomlin, B E; Walters, W B; Wöhr, A; 10.1103/PhysRevC.82.025806

2010-01-01T23:59:59.000Z

398

The Morphology of the Sub-Giant Branch and Red Clump Reveal No Sign of Age Spreads in Intermediate Age Clusters  

E-Print Network [OSTI]

A recent surprise in stellar cluster research, made possible through the precision of Hubble Space Telescope photometry, was that some intermediate age (1-2 Gyr) clusters in the Large and Small Magellanic Clouds have main sequence turn-off (MSTO) widths that are significantly broader than would be expected for a simple stellar population (SSP). One interpretation of these extended MSTOs (eMSTOs) is that age spreads of the order of ~500 Myr exist within the clusters, radically redefining our view of stellar clusters, which are traditionally thought of as single age, single metallicity stellar populations. Here we test this interpretation by studying other regions of the CMD that should also be affected by such large age spreads, namely the width of the sub-giant branch (SGB) and the red clump (RC). We study two massive clusters in the LMC that display the eMSTO phenomenon (NGC 1806 & NGC 1846) and show that both have SGB and RC morphologies that are in conflict with expectations if large age spreads exist ...

Bastian, Nate

2015-01-01T23:59:59.000Z

399

Measurement of the Inclusive Branching FractionsB(B^- to D^+ Pi^- Pi^-) and B(B^- to D*^+ Pi^- Pi^-)  

SciTech Connect (OSTI)

The D{sub J}{sup 0} is a family of four orbitally excited mesons: D*{sub 2}(2460){sup 0}, D{sub 1}(2420){sup 0}, D{sub 1}(j = 1/2){sup -}, and D*{sub 0}(j = 1/2){sup 0}. This dissertation presents the measurements of the inclusive branching fractions, {Beta}(B{sup -} {yields} D*{sup +}{pi}{sup -}{pi}{sup -}) and {Beta}(B{sup -} {yields} D{sup +}{pi}{sup -}{pi}{sup -}). The D{sub J}{sup 0} provides an intermediate resonance for those two modes. The data used for this analysis consists of Runs 1-5 with total integrated luminosity of 343.38 fb{sup -1}, which is corresponding to 383.92 million B{bar B} pairs, provided by the BABAR detector at the PEP-II asymmetric B Factory. The values presented are: {Beta}(B{sup -} {yields} D{sup +}{pi}{sup -}{pi}{sup -}) = (1.12 {+-} 0.02 {+-} 0.08) x 10{sup -3}; {Beta}(B{sup -} {yields} D*{sup +}{pi}{sup -}{pi}{sup -}) = (1.67 {+-} 0.03 {+-} 0.13) x 10{sup -3}.

Eschenburg, Vance Onno; /Mississippi U.; ,

2007-07-17T23:59:59.000Z

400

Measurement of the production fraction times branching fraction $\\boldsymbol{ f(b\\to\\Lambda_{b})\\cdot \\mathcal{B}(\\Lambda_{b}\\to J/\\psi \\Lambda)}$  

SciTech Connect (OSTI)

The {Lambda}{sub b}(udb) baryon is observed in the decay {Lambda}{sub b} {yields} J/{psi}{Lambda} using 6.1 fb{sup -1} of p{bar p} collisions collected with the D0 detector at {radical}s = 1.96 TeV. The production fraction multiplied by the branching fraction for this decay relative to that for the decay B{sup 0} {yields} J/{psi}K{sub s}{sup 0} is measured to be 0.345 {+-} 0.034 (stat.) {+-} 0.033 (syst.) {+-} 0.003 (PDG). Using the world average value of f(b {yields} B{sup 0}) {center_dot} {Beta}(B{sup 0} {yields} J/{psi}K{sub s}{sup 0}) = (1.74 {+-} 0.08) x 10{sup -5}, they obtain f(b {yields} {Lambda}{sub b}) {center_dot} {Beta}({Lambda}{sub b} {yields} J/{psi}{Lambda}) = (6.01 {+-} 0.60 (stat.) {+-} 0.58 (syst.) {+-} 0.28 (PDG)) x 10{sup -5}. This measurement represents an improvement in precision by about a factor of three with respect to the current world average.

Abazov, Victor Mukhamedovich; /Dubna, JINR; Abbott, Braden Keim; /Oklahoma U.; Acharya, Bannanje Sripath; /Tata Inst.; Adams, Mark Raymond; /Illinois U., Chicago; Adams, Todd; /Florida State U.; Alexeev, Guennadi D.; /Dubna, JINR; Alkhazov, Georgiy D.; /St. Petersburg, INP; Alton, Andrew K.; /Michigan U. /Augustana Coll., Sioux Falls; Alverson, George O.; /Northeastern U.; Alves, Gilvan Augusto; /Rio de Janeiro, CBPF; Ancu, Lucian Stefan; /Nijmegen U. /Fermilab

2011-05-01T23:59:59.000Z

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401

The Uncertainties in the 22Ne + alpha-capture Reaction Rates and the Production of the Heavy Magnesium Isotopes in Asymptotic Giant Branch Stars of Intermediate Mass  

E-Print Network [OSTI]

We present new rates for the 22Ne(alpha, n)25Mg and 22Ne(alpha,gamma)26Mg reactions, with uncertainties that have been considerably reduced compared to previous estimates, and we study how these new rates affect the production of the heavy magnesium isotopes in models of intermediate mass Asymptotic Giant Branch (AGB) stars of different initial compositions. All the models have deep third dredge-up, hot bottom burning and mass loss. Calculations have been performed using the two most commonly used estimates of the 22Ne + alpha rates as well as the new recommended rates, and with combinations of their upper and lower limits. The main result of the present study is that with the new rates, uncertainties on the production of isotopes from Mg to P coming from the 22Ne + alpha-capture rates have been considerably reduced. We have therefore removed one of the important sources of uncertainty to effect models of AGB stars. We have studied the effects of varying the mass-loss rate on nucleosynthesis and discuss other uncertainties related to the physics employed in the computation of stellar structure, such as the modeling of convection, the inclusion of a partial mixing zone and the definition of convective borders. These uncertainties are found to be much larger than those coming from 22Ne + alpha-capture rates, when using our new estimates. Much effort is needed to improve the situation for AGB models.

A. Karakas; M. Lugaro; M. Wiescher; J. Goerres; C. Ugalde

2006-01-27T23:59:59.000Z

402

Measurement of the Branching Fractions of the Rare Decays B0 to Ds(*)+pi-,B0 to Ds(*)+rho-, and B0 to Ds(*)-K(*)+  

SciTech Connect (OSTI)

The authors report the measurement of the branching fractions of the rare decays B{sup 0} {yields} D{sub s}{sup (*)+} {pi}{sup -}, B{sup 0} {yields} D{sub s}{sup (*)+} {rho}{sup -}, and B{sup 0} {yields} D{sub s}{sup (*)-} K{sup (*)+} in a sample of 381 x 10{sup 6} {Upsilon}(4S) decays into B{bar B} pairs collected with the BABAR detector at the PEP-II asymmetric-energy e{sup +}e{sup -} storage ring. They present evidence for the decay B{sup 0} {yields} D{sub s}{sup -} K*{sup +} and the vector-vector decays B{sup 0} {yields} D{sub s}{sup *+} {rho}{sup -} and B{sup 0} {yields} D{sub s}{sup *-} K{sup *+}, as well as the first measurement of the vector meson polarization in these decays. They also determine the ratios of the CM-suppressed to CKM-favored amplitudes r(D{sup (*)}{pi}) and r(D{sup (*)}{rho}) in decays B{sup 0} {yields} D{sup (*)}{sup {+-}}{pi}{sup {-+}} and B{sup 0} {yields} D{sup (*)}{sup {+-}}{rho}{sup {-+}}, and comment on the prospects for measuring the Cp observable sin(2{beta} + {gamma}).

Aubert, B.; Bona, M.; Karyotakis, Y.; Lees, J.P.; Poireau, V.; Prencipe, E.; Prudent, X.; Tisserand, V.; /Annecy, LAPP; Garra Tico, J.; Grauges, E.; /Barcelona U., ECM; Lopez, L.; Palano, A.; Pappagallo, M.; /Bari U.; Eigen, G.; Stugu, B.; Sun, L.; /Bergen U.; Abrams, G.S.; Battaglia, M.; Brown, D.N.; Button-Shafer, J.; Cahn, R.N.; /Energy Sci. Network /Birmingham U. /Ruhr U., Bochum /Bristol U. /British Columbia U. /Brunel U. /Novosibirsk, IYF /UC, Irvine /UCLA /UC, Riverside /UC, San Diego /UC, Santa Barbara /UC, Santa Cruz /Caltech /Cincinnati U. /Colorado U. /Colorado State U. /Dortmund U. /Dresden, Tech. U. /Ecole Polytechnique /Edinburgh U. /Ferrara U. /Frascati /Genoa U. /Harvard U. /Heidelberg U. /Imperial Coll., London /Iowa U. /Iowa State U. /Johns Hopkins U. /Karlsruhe U. /Orsay, LAL /LLNL, Livermore /Liverpool U. /Queen Mary, U. of London /Royal Holloway, U. of London /Louisville U. /Manchester U. /Maryland U. /Massachusetts U., Amherst /MIT, LNS /McGill U. /Milan U. /INFN, Milan /Mississippi U. /Montreal U. /Mt. Holyoke Coll. /Naples U. /NIKHEF, Amsterdam /Notre Dame U. /Ohio State U. /Oregon U. /Padua U. /Paris U., VI-VII /Pennsylvania U. /Perugia U. /Pisa U. /Princeton U. /INFN, Rome /Rostock U. /Rutherford /DSM, DAPNIA, Saclay /South Carolina U. /SLAC /Stanford U., Phys. Dept. /SUNY, Albany /Tennessee U. /Texas U. /Texas U., Dallas /Turin U. /INFN, Turin /Trieste U. /Valencia U., IFIC /Victoria U. /Warwick U. /Wisconsin U., Madison

2008-04-16T23:59:59.000Z

403

Improved Measurements of Neutral B Decay Branching Fractions to K0s pi+ pi- and the Charge Asymmetry of B0 -> K*+ pi-  

SciTech Connect (OSTI)

The authors analyze the decay B{sup 0} {yields} K{sub S}{sup 0}{pi}{sup +}{pi}{sup -} using a sample of 232 million {Upsilon}(4S) {yields} B{bar B} decays collected with the BABAR detector at the SLAC PEP-II asymmetric-energy B factory. A maximum likelihood fit finds the following branching fractions: {Beta}(B{sup 0} {yields} K{sup 0}{pi}{sup +}{pi}{sup -}) = (43.0 {+-} 2.3 {+-} 2.3) x 10{sup -6}, {Beta}(B{sup 0} {yields} f{sub 0}({yields} {pi}{sup +}{pi}{sup -})K{sup 0}) = (5.5 {+-} 0.7 {+-} 0.5 {+-} 0.3) x 10{sup -6} and {Beta}(B{sup 0} {yields} K*{sup +}{pi}{sup -}) = (11.0 {+-} 1.5 {+-} 0.5 {+-} 0.5) x 10{sup -6}. For these results, the first uncertainty is statistical, the second is systematic, and the third (if present) is due to the effect of interference from other resonances. They also measure the CP-violating charge asymmetry in the decay B{sup 0} {yields} K*{sup +}{pi}{sup -}, {Alpha}{sub K*{pi}} = -0.11 {+-} 0.14 {+-} 0.05.

Aubert, B.; Barate, R.; Boutigny, D.; Couderc, F.; Karyotakis, Y.; Lees, J.P.; Poireau, V.; Tisserand, V.; Zghiche, A.; /Annecy, LAPP; Grauges, E.; /Barcelona, IFAE; Palano, A.; Pappagallo, M.; Pompili, A.; /Bari U. /INFN, Bari; Chen, J.C.; Qi, N.D.; Rong, G.; Wang, P.; Zhu, Y.S.; /Beijing, Inst. High Energy Phys.; Eigen, G.; Ofte, I.; Stugu, B. /Bergen U. /LBL, Berkeley /UC, Berkeley /Birmingham U. /Ruhr U., Bochum /Bristol U. /British Columbia U. /Brunel U. /Novosibirsk, IYF /UC, Irvine /UCLA /UC, Riverside /UC, San

2005-08-26T23:59:59.000Z

404

Branching Fraction and P-violation Charge Asymmetry Measurements for B-meson Decays to eta K+-, eta pi+-, eta'K, eta' pi+-, omega K, and omega pi+-  

SciTech Connect (OSTI)

The authors present measurements of the branching fractions for B{sup 0} meson decays to {eta}{prime}K{sup 0} and {omega}K{sup 0}, and of the branching fractions and CP-violation charge asymmetries for B{sup +} meson decays to {eta}{pi}{sup +}, {eta}K{sup +}, {eta}{prime}{pi}{sup +}, {eta}{prime}K{sup +}, {omega}{pi}{sup +}, and {omega}K{sup +}. The data, collected with the BABAR detector at the Stanford Linear Accelerator Center, represent 383 million B{bar B} pairs produced in e{sup +}e{sup -} annihilation. The measurements agree with previous results; they find no evidence for direct CP violation.

Aubert, B.

2007-06-28T23:59:59.000Z

405

FROM THE COLOR-MAGNITUDE DIAGRAM OF {omega} CENTAURI AND (SUPER-)ASYMPTOTIC GIANT BRANCH STELLAR MODELS TO A GALACTIC PLANE PASSAGE GAS PURGING CHEMICAL EVOLUTION SCENARIO  

SciTech Connect (OSTI)

We have investigated the color-magnitude diagram of {omega} Centauri and find that the blue main sequence (bMS) can be reproduced only by models that have a helium abundance in the range Y = 0.35-0.40. To explain the faint subgiant branch of the reddest stars ('MS-a/RG-a' sequence), isochrones for the observed metallicity ([Fe/H] Almost-Equal-To -0.7) appear to require both a high age ({approx}13 Gyr) and enhanced CNO abundances ([CNO/Fe] Almost-Equal-To 0.9). Y Almost-Equal-To 0.35 must also be assumed in order to counteract the effects of high CNO on turnoff colors and thereby to obtain a good fit to the relatively blue turnoff of this stellar population. This suggests a short chemical evolution period of time (<1 Gyr) for {omega} Cen. Our intermediate-mass (super-)asymptotic giant branch (AGB) models are able to reproduce the high helium abundances, along with [N/Fe] {approx}2 and substantial O depletions if uncertainties in the treatment of convection are fully taken into account. These abundance features distinguish the bMS stars from the dominant [Fe/H] Almost-Equal-To -1.7 population. The most massive super-AGB stellar models (M{sub ZAMS} {>=} 6.8 M{sub Sun }, M{sub He,core} {>=} 1.245 M{sub Sun }) predict too large N enhancements, which limit their role in contributing to the extreme populations. In order to address the observed central concentration of stars with He-rich abundance, we show here quantitatively that highly He- and N-enriched AGB ejecta have particularly efficient cooling properties. Based on these results and on the reconstruction of the orbit of {omega} Cen with respect to the Milky Way, we propose the Galactic plane passage gas purging scenario for the chemical evolution of this cluster. The bMS population formed shortly after the purging of most of the cluster gas as a result of the passage of {omega} Cen through the Galactic disk (which occurs today every {approx}40 Myr for {omega} Cen) when the initial mass function of the dominant population had 'burned' through most of the Type II supernova mass range. AGB stars would eject most of their masses into the gas-depleted cluster through low-velocity winds that sink to the cluster core due to their favorable cooling properties and form the bMS population. In our discussion we follow our model through four passage events, which could explain some key properties not only of the bMS but also of the MS-a/RGB-a and the s-enriched stars.

Herwig, Falk; VandenBerg, Don A.; Navarro, Julio F. [Department of Physics and Astronomy, University of Victoria, P.O. Box 3055, Victoria, BC V8W 3P6 (Canada); Ferguson, Jason [Department of Physics, Wichita State University Wichita, KS 67260 (United States); Paxton, Bill, E-mail: fherwig@uvic.ca, E-mail: vandenbe@uvic.ca, E-mail: jason.ferguson@wichita.edu, E-mail: paxton@kitp.ucsb.edu [KITP/UC Santa Barbara, Santa Barbara, CA 93106 (United States)

2012-10-01T23:59:59.000Z

406

Half-lives and branchings for {beta}-delayed neutron emission for neutron-rich Co-Cu isotopes in the r-process  

SciTech Connect (OSTI)

The {beta} decays of very neutron-rich nuclides in the Co-Zn region were studied experimentally at the National Superconducting Cyclotron Laboratory using the NSCL {beta}-counting station in conjunction with the neutron detector NERO. We measured the branchings for {beta}-delayed neutron emission (P{sub n} values) for {sup 74}Co (18{+-}15%) and {sup 75-77}Ni (10{+-}2.8%, 14{+-}3.6%, and 30{+-}24%, respectively) for the first time, and remeasured the P{sub n} values of {sup 77-79}Cu, {sup 79,81}Zn, and {sup 82}Ga. For {sup 77-79}Cu and for {sup 81}Zn we obtain significantly larger P{sub n} values compared to previous work. While the new half-lives for the Ni isotopes from this experiment had been reported before, we present here in addition the first half-life measurements of {sup 75}Co (30{+-}11 ms) and {sup 80}Cu (170{sub -50}{sup +110} ms). Our results are compared with theoretical predictions, and their impact on various types of models for the astrophysical rapid neutron-capture process (r-process) is explored. We find that with our new data, the classical r-process model is better able to reproduce the A=78-80 abundance pattern inferred from the solar abundances. The new data also influence r-process models based on the neutrino-driven high-entropy winds in core collapse supernovae.

Hosmer, P.; Estrade, A.; Montes, F.; Ouellette, M.; Pellegrini, E. [National Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, Michigan 48824 (United States); Department of Physics and Astronomy, Michigan State University, East Lansing, Michigan 48824 (United States); Schatz, H. [National Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, Michigan 48824 (United States); Department of Physics and Astronomy, Michigan State University, East Lansing, Michigan 48824 (United States); Joint Institute for Nuclear Astrophysics, Michigan State University, East Lansing, Michigan 48824 (United States); Aprahamian, A. [Department of Physics and Joint Institute for Nuclear Astrophysics, University of Notre Dame, Notre Dame, Indiana 46556 (United States); Arndt, O.; Pfeiffer, B. [Institut fuer Kernchemie, Universitaet Mainz, Fritz-Strassmann Weg 2, D-55128 Mainz (Germany); HGF Virtuelles Institut fuer Kernstruktur und Nukleare Astrophysik (Germany); Clement, R. R. C.; Mueller, W. F.; Morton, A. C.; Pereira, J.; Santi, P.; Steiner, M.; Stolz, A. [National Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, Michigan 48824 (United States); Farouqi, K. [Department of Astronomy and Astrophysics and Joint Institute for Nuclear Astrophysics, University of Chicago, Chicago, IL 60637 (United States); Kratz, K.-L. [HGF Virtuelles Institut fuer Kernstruktur und Nukleare Astrophysik (Germany); Max-Planck-Institut fuer Chemie (Otto-Hahn-Institut), J.-J.-Becherweg 27, D-55128 Mainz (Germany); Liddick, S. N.; Mantica, P. F. [National Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, Michigan 48824 (United States); Department of Chemistry, Michigan State University, East Lansing, Michigan 48824 (United States)

2010-08-15T23:59:59.000Z

407

Comprehensive Sampling of Fourmile Branch and Its Seeplines in the F and H Area of SRS: June 1996 and March 1997  

SciTech Connect (OSTI)

In June 1996, and March 1997 water samples were collected from Fourmile Branch (FMB) and its seeplines in the vicinity of the F- and H-Area Seepage basins. These sampling events represent a continuation of a series of semi-annual sampling events, which are now conducted annually and are aimed at characterizing the shallow groundwater outcropping into FMB and its wetlands. In the past, this groundwater has been shown to contain contaminants migrating from the F- and H-Area Seepage basins. The samples were analyzed for metals listed in Title 40, Code of Federal Regulations (CFR), Part 264, Appendix IX, various radionuclides, and selected inorganic constituents and parameters. Volatile organic compounds were not analyzed for in this sampling event since in previous events they were below detection limits, (ref. Dixon 1993, Dixon and Koch 1995).Results from both sampling events indicate that the seeplines of F and H Areas and FMB continue to be influenced by contaminants in groundwater originating from the capped seepage basins, but to a lesser degree than in the past. This suggests that the most concentrated portion of the contaminant plume may have flushed from the system.Contaminant concentrations measured during these two sampling events were compared to background samples collected during these two events and compared to primary drinking water standard (PDWS), secondary drinking water standards (SDWS), and maximum contaminant levels (MCL) enforceable in 1997. Results were also compared to the 1989 baseline measurements at corresponding locations.Using two separate statistical tests, the concentrations of analytes were compared to background samples. The purpose of the tests was to determine if concentrations of contaminants along the F- and H-Area seeplines were greater than background concentrations.

Koch, J.

1998-10-30T23:59:59.000Z

408

EUROPIUM s-PROCESS SIGNATURE AT CLOSE-TO-SOLAR METALLICITY IN STARDUST SiC GRAINS FROM ASYMPTOTIC GIANT BRANCH STARS  

SciTech Connect (OSTI)

Individual mainstream stardust silicon carbide (SiC) grains and a SiC-enriched bulk sample from the Murchison carbonaceous meteorite have been analyzed by the Sensitive High Resolution Ion Microprobe-Reverse Geometry for Eu isotopes. The mainstream grains are believed to have condensed in the outflows of {approx}1.5-3 M{sub Sun} carbon-rich asymptotic giant branch (AGB) stars with close-to-solar metallicity. The {sup 151}Eu fractions [fr({sup 151}Eu) = {sup 151}Eu/({sup 151}Eu+{sup 153}Eu)] derived from our measurements are compared with previous astronomical observations of carbon-enhanced metal-poor stars enriched in elements made by slow neutron captures (the s-process). Despite the difference in metallicity between the parent stars of the grains and the metal-poor stars, the fr({sup 151}Eu) values derived from our measurements agree well with fr({sup 151}Eu) values derived from astronomical observations. We have also compared the SiC data with theoretical predictions of the evolution of Eu isotopic ratios in the envelope of AGB stars. Because of the low Eu abundances in the SiC grains, the fr({sup 151}Eu) values derived from our measurements show large uncertainties, in most cases being larger than the difference between solar and predicted fr({sup 151}Eu) values. The SiC aggregate yields a fr({sup 151}Eu) value within the range observed in the single grains and provides a more precise result (fr({sup 151}Eu) = 0.54 {+-} 0.03, 95% conf.), but is approximately 12% higher than current s-process predictions. The AGB models can match the SiC data if we use an improved formalism to evaluate the contribution of excited nuclear states in the calculation of the {sup 151}Sm(n, {gamma}) stellar reaction rate.

Avila, Janaina N.; Ireland, Trevor R.; Holden, Peter [Research School of Earth Sciences, Australian National University, Canberra ACT 0200 (Australia); Lugaro, Maria [Monash Centre for Astrophysics, Monash University, Clayton, VIC 3800 (Australia); Gyngard, Frank; Zinner, Ernst [Laboratory for Space Sciences and the Department of Physics, Washington University, One Brookings Drive, St. Louis, MO 63130 (United States); Cristallo, Sergio [Osservatorio Astronomico di Collurania, INAF, via Maggini snc, Teramo I-64100 (Italy); Rauscher, Thomas, E-mail: janaina.avila@anu.edu.au [Centre for Astrophysics Research, School of Physics, Astronomy, and Mathematics, University of Hertfordshire, Hatfield AL10 9AB (United Kingdom)

2013-05-01T23:59:59.000Z

409

Greater-than-Class C low-level radioactive waste characterization. Appendix E-5: Impact of the 1993 NRC draft Branch Technical Position on concentration averaging of greater-than-Class C low-level radioactive waste  

SciTech Connect (OSTI)

This report evaluates the effects of concentration averaging practices on the disposal of greater-than-Class C low-level radioactive waste (GTCC LLW) generated by the nuclear utility industry and sealed sources. Using estimates of the number of waste components that individually exceed Class C limits, this report calculates the proportion that would be classified as GTCC LLW after applying concentration averaging; this proportion is called the concentration averaging factor. The report uses the guidance outlined in the 1993 Nuclear Regulatory Commission (NRC) draft Branch Technical Position on concentration averaging, as well as waste disposal experience at nuclear utilities, to calculate the concentration averaging factors for nuclear utility wastes. The report uses the 1993 NRC draft Branch Technical Position and the criteria from the Barnwell, South Carolina, LLW disposal site to calculate concentration averaging factors for sealed sources. The report addresses three waste groups: activated metals from light water reactors, process wastes from light-water reactors, and sealed sources. For each waste group, three concentration averaging cases are considered: high, base, and low. The base case, which is the most likely case to occur, assumes using the specific guidance given in the 1993 NRC draft Branch Technical Position on concentration averaging. To project future GTCC LLW generation, each waste category is assigned a concentration averaging factor for the high, base, and low cases.

Tuite, P.; Tuite, K.; Harris, G. [Waste Management Group, Inc., Peekskill, NY (United States)

1994-09-01T23:59:59.000Z

410

Updated measurements of absolute $D^+$ and $D^0$ hadronic branching fractions and $?(e^+e^-\\to D\\overline{D})$ at $E_\\mathrm{cm} = 3774$ MeV  

E-Print Network [OSTI]

Utilizing the full CLEO-c data sample of 818 pb$^{-1}$ of $e^+e^-$ data taken at the $\\psi(3770)$ resonance, we update our measurements of absolute hadronic branching fractions of charged and neutral $D$ mesons. We previously reportedresults from subsets of these data. Using a double tag technique we obtain branching fractions for three $D^0$ and six $D^+$ modes, including the reference branching fractions $\\mathcal{B} (D^0\\to K^-\\pi^+)=(3.934 \\pm 0.021 \\pm 0.061)\\%$ and $\\mathcal{B} (D^+ \\to K^- \\pi^+\\pi^+)=(9.224 \\pm 0.059 \\pm 0.157)\\%$. The uncertainties are statistical and systematic, respectively. In these measurements we include the effects of final-state radiation by allowing for additional unobserved photons in the final state, and the systematic errors include our estimates of the uncertainties of these effects. Furthermore, using an independent measurement of the luminosity, we obtain the cross sections $\\sigma(e^+e^-\\to D^0\\overline{D}{}^0)=(3.607\\pm 0.017 \\pm 0.056) \\ \\mathrm{nb}$ and $\\sigma(e^+e^-\\to D^+D^-)=(2.882\\pm 0.018 \\pm 0.042) \\ \\mathrm{nb}$ at a center of mass energy, $E_\\mathrm{cm} = 3774 \\pm 1$ MeV.

CLEO Collaboration; G. Bonvicini; D. Cinabro M. J. Smith; P. Zhou; P. Naik; J. Rademacker; K. W. Edwards; R. A. Briere; H. Vogel; J. L. Rosner; J. P. Alexander; D. G. Cassel; R. Ehrlich; L. Gibbons; S. W. Gray; D. L. Hartill; B. K. Heltsley; D. L. Kreinick; V. E. Kuznetsov; J. R. Patterson; D. Peterson; D. Riley; A. Ryd; A. J. Sadoff; X. Shi; W. M. Sun; S. Das; J. Yelton; P. Rubin; N. Lowrey; S. Mehrabyan; M. Selen; J. Wiss; J. Libby; M. Kornicer; R. E. Mitchell; D. Besson; T. K. Pedlar; D. Cronin-Hennessy; J. Hietala; S. Dobbs; Z. Metreveli; K. K. Seth; A. Tomaradze; T. Xiao; A. Powell; C. Thomas; G. Wilkinson; D. M. Asner; G. Tatishvili; J. Y. Ge; D. H. Miller; I. P. J. Shipsey; B. Xin; G. S. Adams; J. Napolitano; K. M. Ecklund; J. Insler; H. Muramatsu; L. J. Pearson; E. H. Thorndike; M. Artuso; S. Blusk; R. Mountain; T. Skwarnicki; S. Stone; J. C. Wang; L. M. Zhang; P. U. E. Onyisi

2014-08-20T23:59:59.000Z

411

THE TIP OF THE RED GIANT BRANCH DISTANCES TO TYPE Ia SUPERNOVA HOST GALAXIES. II. M66 AND M96 IN THE LEO I GROUP  

SciTech Connect (OSTI)

M66 and M96 in the Leo I Group are nearby spiral galaxies hosting Type Ia supernovae (SNe Ia). We estimate the distances to these galaxies from the luminosity of the tip of the red giant branch (TRGB). We obtain VI photometry of resolved stars in these galaxies from F555W and F814W images in the Hubble Space Telescope archive. From the luminosity function of these red giants, we find the TRGB I-band magnitude to be I{sub TRGB} = 26.20 {+-} 0.03 for M66 and 26.21 {+-} 0.03 for M96. These values yield distance modulus (m - M){sub 0} = 30.12 {+-} 0.03(random) {+-} 0.12(systematic) for M66 and (m - M){sub 0} = 30.15 {+-} 0.03(random) {+-} 0.12(systematic) for M96. These results show that they are indeed the members of the same group. With these results we derive absolute maximum magnitudes of two SNe (SN 1989B in M66 and SN 1998bu in M96). V-band magnitudes of these SNe Ia are {approx}0.2 mag fainter than SN 2011fe in M101, one of the nearest recent SNe Ia. We also derive near-infrared magnitudes for SN 1998bu. Optical magnitudes of three SNe Ia (SN 1989B, SN 1998bu, and SN 2011fe) based on TRGB analysis yield a Hubble constant, H{sub 0} = 68.4 {+-} 2.6(random) {+-} 3.7(systematic) km s{sup -1} Mpc{sup -1}. This value is similar to the values derived from recent WMAP9 results, H{sub 0} = 69.32 {+-} 0.80 km s{sup -1} Mpc{sup -1}, and from Planck results, H{sub 0} = 67.3 {+-} 1.2 km s{sup -1} Mpc{sup -1}, but smaller than other recent determinations based on Cepheid calibration for SNe Ia luminosity, H{sub 0} = 74 {+-} 3 km s{sup -1} Mpc{sup -1}.

Lee, Myung Gyoon; Jang, In Sung, E-mail: mglee@astro.snu.ac.kr, E-mail: isjang@astro.snu.ac.kr [Astronomy Program, Department of Physics and Astronomy, Seoul National University, Gwanak-gu, Seoul 151-742 (Korea, Republic of)

2013-08-10T23:59:59.000Z

412

Solvent dependent branching between C-I and C-Br bond cleavage following 266 nm excitation of CH{sub 2}BrI  

SciTech Connect (OSTI)

It is well known that ultraviolet photoexcitation of halomethanes results in halogen-carbon bond cleavage. Each halogen-carbon bond has a dominant ultraviolet (UV) absorption that promotes an electron from a nonbonding halogen orbital (n{sub X}) to a carbon-halogen antibonding orbital (?*{sub C-X}). UV absorption into specific transitions in the gas phase results primarily in selective cleavage of the corresponding carbon-halogen bond. In the present work, broadband ultrafast UV-visible transient absorption studies of CH{sub 2}BrI reveal a more complex photochemistry in solution. Transient absorption spectra are reported spanning the range from 275 nm to 750 nm and 300 fs to 3 ns following excitation of CH{sub 2}BrI at 266 nm in acetonitrile, 2-butanol, and cyclohexane. Channels involving formation of CH{sub 2}Br + I radical pairs, iso-CH{sub 2}Br-I, and iso-CH{sub 2}I-Br are identified. The solvent environment has a significant influence on the branching ratios, and on the formation and stability of iso-CH{sub 2}Br-I. Both iso-CH{sub 2}Br-I and iso-CH{sub 2}I-Br are observed in cyclohexane with a ratio of ?2.8:1. In acetonitrile this ratio is 7:1 or larger. The observation of formation of iso-CH{sub 2}I-Br photoproduct as well as iso-CH{sub 2}Br-I following 266 nm excitation is a novel result that suggests complexity in the dissociation mechanism. We also report a solvent and concentration dependent lifetime of iso-CH{sub 2}Br-I. At low concentrations the lifetime is >4 ns in acetonitrile, 1.9 ns in 2-butanol and ?1.4 ns in cyclohexane. These lifetimes decrease with higher initial concentrations of CH{sub 2}BrI. The concentration dependence highlights the role that intermolecular interactions can play in the quenching of unstable isomers of dihalomethanes.

Anderson, Christopher P.; Spears, Kenneth G.; Wilson, Kaitlynn R.; Sension, Roseanne J. [Department of Chemistry and Department of Physics, University of Michigan, Ann Arbor, Michigan 48109 (United States)] [Department of Chemistry and Department of Physics, University of Michigan, Ann Arbor, Michigan 48109 (United States)

2013-11-21T23:59:59.000Z

413

Interim Results from a Study of the Impacts of Tin (II) Based Mercury Treatment in a Small Stream Ecosystem: Tims Branch, Savannah River Site  

SciTech Connect (OSTI)

A research team is assessing the impacts of an innovative mercury treatment system in Tims Branch, a small southeastern stream. The treatment system, installed in 2007, reduces and removes inorganic mercury from water using tin(II) (stannous) chloride addition followed by air stripping. The system results in discharge of inorganic tin to the ecosystem. This screening study is based on historical information combined with measurements of contaminant concentrations in water, fish, sediment, biofilms and invertebrates. Initial mercury data indicate that first few years of mercury treatment resulted in a significant decrease in mercury concentration in an upper trophic level fish, redfin pickerel, at all sampling locations in the impacted reach. For example, the whole body mercury concentration in redfin pickerel collected from the most impacted pond decreased approximately 72% between 2006 (pre-treatment) and 2010 (post-treatment). Over this same period, mercury concentrations in the fillet of redfin pickerel in this pond were estimated to have decreased from approximately 1.45 {micro}g/g (wet weight basis) to 0.45 {micro}g/g - a decrease from 4.8x to 1.5x the current EPA guideline concentration for mercury in fillet (0.3 {micro}g/g). Thermodynamic modeling, scanning electron microscopy, and other sampling data for tin suggest that particulate tin (IV) oxides are a significant geochemical species entering the ecosystem with elevated levels of tin measured in surficial sediments and biofilms. Detectable increases in tin in sediments and biofilms extended approximately 3km from the discharge location. Tin oxides are recalcitrant solids that are relatively non-toxic and resistant to dissolution. Work continues to develop and validate methods to analyze total tin in the collected biota samples. In general, the interim results of this screening study suggest that the treatment process has performed as predicted and that the concentration of mercury in upper trophic level fish, as a surrogate for all of the underlying transport and transformation processes in a complex ecosystem, has declined as a direct result of the elimination of inorganic mercury inputs. Inorganic tin released to the ecosystem has been found in compartments where particles accumulate with notable levels measured in biofilms.

Looney, Brian [Savannah River National Laboratory (SRNL); BryanJr., Larry [Savannah River Ecology Laboratory; Mathews, Teresa J [ORNL; Peterson, Mark J [ORNL; Roy, W Kelly [ORNL; Jett, Robert T [ORNL; Smith, John G [ORNL

2012-03-01T23:59:59.000Z

414

FORMATION OF SiC GRAINS IN PULSATION-ENHANCED DUST-DRIVEN WIND AROUND CARBON-RICH ASYMPTOTIC GIANT BRANCH STARS  

SciTech Connect (OSTI)

We investigate the formation of silicon carbide (SiC) grains in the framework of dust-driven wind around pulsating carbon-rich asymptotic giant branch (C-rich AGB) stars to reveal not only the amount but also the size distribution. Two cases are considered for the nucleation process: one is the local thermal equilibrium (LTE) case where the vibration temperature of SiC clusters T{sub v} is equal to the gas temperature as usual, and another is the non-LTE case in which T{sub v} is assumed to be the same as the temperature of small SiC grains. The results of the hydrodynamical calculations for a model with stellar parameters of mass M{sub *} = 1.0 M{sub Sun }, luminosity L{sub *} = 10{sup 4} L{sub Sun }, effective temperature T{sub eff} = 2600 K, C/O ratio = 1.4, and pulsation period P = 650 days show the following: in the LTE case, SiC grains condense in accelerated outflowing gas after the formation of carbon grains, and the resulting averaged mass ratio of SiC to carbon grains of {approx}10{sup -8} is too small to reproduce the value of 0.01-0.3, which is inferred from the radiative transfer models. On the other hand, in the non-LTE case, the formation region of the SiC grains is more internal and/or almost identical to that of the carbon grains due to the so-called inverse greenhouse effect. The mass ratio of SiC to carbon grains averaged at the outer boundary ranges from 0.098 to 0.23 for the sticking probability {alpha}{sub s} = 0.1-1.0. The size distributions with the peak at {approx}0.2-0.3 {mu}m in radius cover the range of size derived from the analysis of the presolar SiC grains. Thus, the difference between the temperatures of the small cluster and gas plays a crucial role in the formation process of SiC grains around C-rich AGB stars, and this aspect should be explored for the formation process of dust grains in astrophysical environments.

Yasuda, Yuki; Kozasa, Takashi, E-mail: yuki@antares-a.sci.hokudai.ac.jp [Department of Natural History Sciences, Faculty of Science, Hokkaido University, Sapporo 060-0810 (Japan)

2012-02-01T23:59:59.000Z

415

Measurement of the ratios of the branching fractions [Beta](B?[sigma] --> D?[sigma][pi]? [pi]?[pi]?)/[Beta](B? --> D?[pi]? [pi]?[pi]?) and [Beta](B?[sigma] --> D?[sigma][pi]?)/[Beta](B? --> D?[pi]? [pi]?[pi]?).  

E-Print Network [OSTI]

We present the measurement of the ratios of branching fractions B... to B..., and B... to B... We analyze data taken with the CDF II detector that corresponds to an integrated luminosity of 355 pb - 1 in pp collisions at ...

Bolshov, Arkadiy

2007-01-01T23:59:59.000Z

416

INTERIM RESULTS FROM A STUDY OF THE IMPACTS OF TIN(II) BASED MERCURY TREATMENT IN A SMALL STREAM ECOSYSTEM: TIMS BRANCH, SAVANNAH RIVER SITE  

SciTech Connect (OSTI)

Mercury (Hg) has been identified as a 'persistent, bioaccumulative and toxic' pollutant with widespread impacts throughout North America and the world (EPA. 1997a, 1997b, 1998a, 1998b, 2000). Although most of the mercury in the environment is inorganic Hg, a small proportion of total Hg is transformed through the actions of aquatic microbes into methylmercury (MeHg). In contrast to virtually all other metals, MeHg biomagnifies or becomes increasingly concentrated as it is transferred through aquatic food chains so that the consumption of mercury contaminated fish is the primary route of this toxin to humans. For this reason, the ambient water quality criterion (AWQC) for mercury is based on a fish tissue endpoint rather than an aqueous Hg concentration, as the tissue concentration (e.g., < 0.3 {mu}g/g fillet) is considered to be a more consistent indicator of exposure and risk (EPA, 2001). Effective mercury remediation at point-source contaminated sites requires an understanding of the nature and magnitude of mercury inputs, and also knowledge of how these inputs must be controlled in order to achieve the desired reduction of mercury contamination in biota necessary for compliance with AWQC targets. One of the challenges to remediation is that mercury body burdens in fish are more closely linked to aqueous MeHg than to inorganic Hg concentrations (Sveinsdottir and Mason 2005), but MeHg production is not easily predicted or controlled. At point-source contaminated sites, mercury methylation is not only affected by the absolute mercury load, but also by the form of mercury loaded. In addition, once MeHg is formed, the hydrology, trophic structure, and water chemistry of a given system affect how it is transformed and transferred through the food chain to fish. Decreasing inorganic Hg concentrations and loading may often therefore be a more achievable remediation goal, but has led to mixed results in terms of responses in fish bioaccumulation. A number of source control measures have resulted in rapid responses in lake or reservoir fisheries (Joslin 1994, Turner and Southworth 1999; Orihel et al., 2007), but examples of similar responses in Hg-contaminated stream ecosystems are less common. Recent work suggests that stream systems may actually be more susceptible to mercury bioaccumulation than lakes, highlighting the need to better understand the ecological drivers of mercury bioaccumulation in stream-dwelling fish (Chasar et al. 2009, Ward et al. 2010). In the present study we examine the response of fish to remedial actions in Tims Branch, a point-source contaminated stream on the Department of Energy's (DOE) Savannah River Site in Aiken, South Carolina. This second order stream received inorganic mercury inputs at its headwaters from the 1950s-2000s which contaminated the water, sediments, and biota downstream. In 2007, an innovative mercury removal system using tin (II) chloride (stannous chloride, SnCl{sub 2}) was implemented at a pre-existing air stripper. Tin(II) reduces dissolved Hg (II) to Hg (0), which is removed by the air stripper. During this process, tin(II) is oxidized to tin (IV) which is expected to precipitate as colloidal tin(IV) oxides and hydroxides, particulate materials with relatively low toxicity (Hallas and Cooney, 1981, EPA 2002, ATSDR, 2005). The objectives of the present research are to provide an initial assessment of the net impacts of the tin(II) based mercury treatment on key biota and to document the distribution and fate of inorganic tin in this small stream ecosystem after the first several years of operating a full scale system. To support these objectives, we collected fish, sediment, water, invertebrates, and biofilm samples from Tims Branch to quantify the general behavior and accumulation patterns for mercury and tin in the ecosystem and to determine if the treatment process has resulted in: (1) a measurable beneficial impact on (i.e., decrease of) mercury concentration in upper trophic level fish and other biota; this is a key environmental endpoint since reducing mercury concen

Looney, B.; Bryan, L.; Mathews, T.

2012-03-30T23:59:59.000Z

417

THE MASS-LOSS RETURN FROM EVOLVED STARS TO THE LARGE MAGELLANIC CLOUD. II. DUST PROPERTIES FOR OXYGEN-RICH ASYMPTOTIC GIANT BRANCH STARS  

SciTech Connect (OSTI)

We model multi-wavelength broadband UBVIJHK{sub s} and Spitzer IRAC and MIPS photometry and Infrared Spectrograph spectra from the SAGE and SAGE-Spectroscopy observing programs of two oxygen-rich asymptotic giant branch (O-rich AGB) stars in the Large Magellanic Cloud (LMC) using radiative transfer (RT) models of dust shells around stars. We chose a star from each of the bright and faint O-rich AGB populations found by earlier studies of the SAGE sample in order to derive a baseline set of dust properties to be used in the construction of an extensive grid of RT models of the O-rich AGB stars found in the SAGE surveys. From the bright O-rich AGB population, we chose HV 5715, and from the faint O-rich AGB population we chose SSTISAGE1C J052206.92-715017.6 (SSTSAGE052206). We found the complex indices of refraction of oxygen-deficient silicates from Ossenkopf et al. and a power law with exponential decay grain size distribution like what Kim et al. used but with {gamma} of -3.5, a {sub min} of 0.01 {mu}m, and a {sub 0} of 0.1 {mu}m to be reasonable dust properties for these models. There is a slight indication that the dust around the faint O-rich AGB may be more silica-rich than that around the bright O-rich AGB. Simple models of gas emission suggest a relatively extended gas envelope for the faint O-rich AGB star modeled, consistent with the relatively large dust shell inner radius for the same model. Our models of the data require the luminosity of SSTSAGE052206 and HV 5715 to be {approx}5100 L {sub sun} and {approx}36,000 L {sub sun}, respectively. This, combined with the stellar effective temperatures of 3700 K and 3500 K, respectively, that we find best fit the optical and near-infrared data, suggests stellar masses of {approx}3 M {sub sun} and {approx}7 M {sub sun}. This, in turn, suggests that HV 5715 is undergoing hot-bottom burning and that SSTSAGE052206 is not. Our models of SSTSAGE052206 and HV 5715 require dust shells of inner radius {approx}17 and {approx}52 times the stellar radius, respectively, with dust temperatures there of 900 K and 430 K, respectively, and with optical depths at 10 {mu}m through the shells of 0.095 and 0.012, respectively. The models compute the dust mass-loss rates for the two stars to be 2.0 x 10{sup -9} M{sub sun} yr{sup -1} and 2.3 x 10{sup -9} M{sub sun} yr{sup -1}, respectively. When a dust-to-gas mass ratio of 0.002 is assumed for SSTSAGE052206 and HV 5715, the dust mass-loss rates imply total mass-loss rates of 1.0 x 10{sup -6} M{sub sun} yr{sup -1} and 1.2 x 10{sup -6} M{sub sun} yr{sup -1}, respectively. These properties of the dust shells and stars, as inferred from our models of the two stars, are found to be consistent with properties observed or assumed by detailed studies of other O-rich AGB stars in the LMC and elsewhere.

Sargent, Benjamin A.; Meixner, M.; Gordon, Karl D. [Space Telescope Science Institute, 3700 San Martin Drive, Baltimore, MD 21218 (United States); Srinivasan, S. [Institut d'Astrophysique de Paris, 98 bis, Boulevard Arago, Paris 75014 (France); Kemper, F.; Woods, Paul M. [Jodrell Bank Centre for Astrophysics, Alan Turing Building, School of Physics and Astronomy, The University of Manchester, Oxford Road, Manchester, M13 9PL (United Kingdom); Tielens, A. G. G. M. [Leiden Observatory, P.O. Box 9513, NL-2300 RA Leiden (Netherlands); Speck, A. K. [Physics and Astronomy Department, University of Missouri, Columbia, MO 65211 (United States); Matsuura, M. [Institute of Origins, Department of Physics and Astronomy, University College London, Gower Street, London WC1E 6BT (United Kingdom); Bernard, J.-Ph. [Centre d'Etude Spatiale des Rayonnements, 9 Av. du Colonel Roche, BP 44346, 31028 Toulouse Cedex 4 (France); Hony, S. [Laboratoire AIM, CEA/DSM-CNRS-Universite Paris Diderot DAPNIA/Service d'Astrophysique Bat. 709, CEA-Saclay F-91191 Gif-sur-Yvette Cedex (France); Indebetouw, R. [Department of Astronomy, University of Virginia, P.O. Box 400325, Charlottesville, VA 22904 (United States); Marengo, M. [Department of Physics and Astronomy, Iowa State University, Ames, IA 50011 (United States); Sloan, G. C., E-mail: sargent@stsci.ed [Department of Astronomy, Cornell University, Ithaca, NY 14853 (United States)

2010-06-10T23:59:59.000Z

418

Remedial Investigation Report on Chestnut Ridge Operable Unit 2 (Filled Coal Ash Pond/Upper McCoy Branch) at the Oak Ridge Y-12 Plant, Oak Ridge, Tennessee. Volume 1. Main Text  

SciTech Connect (OSTI)

This document is a report on the remedial investigation (RI) of Chestnut Ridge Operable Unit (OU) 2 at the Oak Ridge Y-12 Plant. Chestnut Ridge OU 2 consists of Upper McCoy Branch (UMB), the Filled Coal Ash Pond (FCAP), and the area surrounding the Sluice Channel formerly associated with coal ash disposal in the FCAP. Chestnut Ridge OU 2 is located within the U.S. Department of Energy`s (DOE`s) Oak Ridge Reservation in Anderson County, Tennessee, approximately 24 miles west of Knoxville. The pond is an 8.5-acre area on the southern slope of Chestnut Ridge, 0.5 mile south of the main Y-12 Plant and geographically separated from the Y-12 Plant by Chestnut Ridge. The elevation of the FCAP is {approximately} 950 ft above mean sea level (msl), and it is relatively flat and largely vegetated. Two small ponds are usually present at the northeast and northwest comers of the FCAP. The Sluice Channel Area extends {approximately}1000 ft from the northern margin of the FCAP to the crest of Chestnut Ridge, which has an elevation of {approximately}1100 ft above msl. The Sluice Channel Area is largely vegetated also. McCoy Branch runs from the top of Chestnut Ridge across the FCAP into Rogers Quarry and out of the quarry where it runs a short distance into Milton Hill Lake at McCoy Embayment, termed UMB. The portion south of Rogers Quarry, within Chestnut Ridge OU 4, is termed Lower McCoy Branch. The DOE Oak Ridge Y-12 Plant disposed of coal ash from its steam plant operations as a slurry that was discharged into an ash retention impoundment; this impoundment is the FCAP. The FCAP was built in 1955 to serve as a settling basin after coal ash slurried over Chestnut Ridge from the Y-12 Plant. The FCAP was constructed by building an earthen dam across the northern tributary of McCoy Branch. The dam was designed to hold 20 years of Y-12 steam plant ash. By July 1967, ash had filled up the impoundment storage behind the dam to within 4 ft of the top.

Not Available

1994-08-01T23:59:59.000Z

419

A precision measurement of the branching ratio K{sup +} {r_arrow} {pi}{sup +}{pi}{sup 0}/K{sup +} {r_arrow} {mu}{sup +}{nu}{sub {mu}}  

SciTech Connect (OSTI)

A measurement of the branching ratio K{sup +} {r_arrow} {pi}{sup +}{pi}{sup 0}/K{sup +} {r_arrow} {mu}{sup +}{nu}{sub {mu}} was made using stopped kaons from p{anti p} annihilations at rest and a magnetic spectrometer to measure the momenta of the charged decay product to the 1% to 1.5% level. The determination is based on 45,500 events passing final data cuts. The resulting ratio is .3329 {+-} .0047 (statistical) {+-} .0010 (systematic).

Usher, T.; Fero, M.; Gee, M.; Graf, N.A.; Mandelkern, M.; Shultz, D.; Schultz, J.

1991-08-01T23:59:59.000Z

420

Improved Measurements of the Branching Fractions for B0 into pi+pi- and B0 into K+pi-, and a Search for B0 into K+K-  

SciTech Connect (OSTI)

The authors present measurements of the branching fractions for the charmless two-body decays B{sup 0} {yields} {pi}{sup +}{pi}{sup -} and B{sup 0} {yields} K{sup +}{pi}{sup -}, and a search for the decay B{sup 0} {yields} K{sup +}K{sup -}. They include the effects of final-state radiation from the daughter mesons for the first time, and quote branching fractions for the inclusive processes B{sup 0} {yields} h{sup +}h'{sup -}n{gamma}, where h and h' are pion or kaons. The maximum value of the sum of the energies of the n undetected photons, E{sub {gamma}}{sup max}, is mode-dependent. Using a data sample of approximately 227 million {Upsilon}(4S) {yields} B{bar B} decays collected with the BABAR detector at the PEP-II asymmetric-energy e{sup +}e{sup -} collider at SLAC.

Aubert, B.

2006-09-26T23:59:59.000Z

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421

Measurement of Branching Fractions of B decays to K1(1270)pi and K1(1400)pi and Determination of the CKM angle alpha from B0 --> a1(1260) /- pi-/  

SciTech Connect (OSTI)

We report measurements of the branching fractions of neutral and charged B meson decays to final states containing a K{sub 1}(1270) or K{sub 1}(1400) meson and a charged pion. The data, collected with the BABAR detector at the SLAC National Accelerator Laboratory, correspond to 454 million B{bar B} pairs produced in e{sup +}e{sup -} annihilation. We measure the branching fractions {Beta}(B{sup 0} {yields} K{sub 1}(1270){sup +}{pi}{sup -} + K{sub 1}(1400){sup +}{pi}{sup -}) = 3.1{sub 0.7}{sup +0.8} x 10{sup -5} and {Beta}(B{sup +} {yields} K{sub 1}(1270){sup 0}{pi}{sup +} + K{sub 1}(1400){sup 0}{pi}{sup +}) = 2.9{sub -1.7}{sup +2.9} x 10{sup -5} (< 8.2 x 10{sup -5} at 90% confidence level), where the errors are statistical and systematic combined. The B{sup 0} decay mode is observed with a significance of 7.5{sigma}, while a significance of 3.2{sigma} is obtained for the B{sup +} decay mode. Based on these results, we estimate the weak phase {alpha} = (79 {+-} 7 {+-} 11){sup o} from the time dependent CP asymmetries in B{sup 0} {yields} a{sub 1}(1260){sup {+-}}{pi}{sup {-+}} decays.

Aubert, B.; Karyotakis, Y.; Lees, J.P.; Poireau, V.; Prencipe, E.; Prudent, X.; Tisserand, V.; /Annecy, LAPP; Garra Tico, J.; Grauges, E.; /Barcelona U., ECM; Martinelli, M.; Palano, A.; Pappagallo, M.; /INFN, Bari /Bari U.; Eigen, G.; Stugu, B.; Sun, L.; /Bergen U.; Battaglia, M.; Brown, D.N.; Hooberman, B.; Kerth, L.T.; Kolomensky, Yu.G.; Lynch, G. /UC, Berkeley /Birmingham U. /Ruhr U., Bochum /British Columbia U. /Brunel U. /Novosibirsk, IYF /UC, Irvine /UC, Riverside /UC, San Diego /UC, Santa Barbara /UC, Santa Cruz /Caltech /Cincinnati U. /Colorado U. /Colorado State U. /Dortmund U. /Dresden, Tech. U. /Ecole Polytechnique /Edinburgh U. /INFN, Ferrara /Ferrara U. /INFN, Ferrara /INFN, Ferrara /Ferrara U. /INFN, Ferrara /INFN, Ferrara /Ferrara U. /Frascati /INFN, Genoa /Genoa U. /INFN, Genoa /INFN, Genoa /Genoa U. /INFN, Genoa /INFN, Genoa /Genoa U. /Harvard U. /Heidelberg U. /Humboldt U., Berlin /Imperial Coll., London /Iowa State U. /Iowa State U. /Johns Hopkins U. /Orsay, LAL /LLNL, Livermore /Liverpool U. /Queen Mary, U. of London /Royal Holloway, U. of London /Louisville U. /Mainz U., Inst. Kernphys. /Manchester U. /Maryland U. /Massachusetts U., Amherst /MIT /McGill U. /INFN, Milan /Milan U. /INFN, Milan /INFN, Milan /Milan U. /Mississippi U. /Montreal U. /Mt. Holyoke Coll. /INFN, Naples /Naples U. /INFN, Naples /INFN, Naples /Naples U. /NIKHEF, Amsterdam /NIKHEF, Amsterdam /Notre Dame U. /Ohio State U. /Oregon U. /INFN, Padua /Padua U. /INFN, Padua /INFN, Padua /Padua U. /Paris U., VI-VII /Pennsylvania U. /INFN, Perugia /Perugia U. /INFN, Pisa /Pisa U. /INFN, Pisa /Pisa, Scuola Normale Superiore /INFN, Pisa /Pisa U. /INFN, Pisa /Princeton U. /INFN, Rome /INFN, Rome /Rome U. /INFN, Rome /INFN, Rome /Rome U. /INFN, Rome /INFN, Rome /Rome U. /INFN, Rome /INFN, Rome /Rome U. /INFN, Rome /Rostock U. /Rutherford /DAPNIA, Saclay /SLAC /South Carolina U. /Stanford U., Phys. Dept. /SUNY, Albany /Tel Aviv U. /Tennessee U. /Texas U. /Texas U., Dallas /INFN, Turin /Turin U. /INFN, Trieste /Trieste U. /Valencia U. /Victoria U. /Warwick U. /Wisconsin U., Madison

2009-10-30T23:59:59.000Z

422

arXiv:1305.2916v1[hep-th]13May2013 Self-accelerating Massive Gravity  

E-Print Network [OSTI]

arXiv:1305.2916v1[hep-th]13May2013 Self-accelerating Massive Gravity: How Zweibeins Walk through that the St¨uckelberg equations of motion on the self-accelerating branch prevent solutions from evolving that the Friedmann-Robertson-Walker (FRW) metric is incompatible with massive gravity, but rather

Hu, Wayne

423

Measurement of Branching Fractions and CP-Violating Asymmetries in B0 to K0K0bar and B+ to K0barK+ Decays at the BaBar Experiment  

SciTech Connect (OSTI)

Over the last few years, the B factories have established the Cabbibo-Kobayashi-Maskawa mechanism of CP violation in the Standard Model through the study of the decays of B mesons. The focus of Belle and BaBar has now expanded to the search for signatures of new physics beyond the Standard Model, particularly through examination of flavor-changing neutral-current transitions, which proceed through diagrams involving virtual loops. These decays are suppressed in the Standard Model, increasing sensitivity to new-physics effects but decreasing branching fractions. Exploiting large and growing datasets, BaBar and Belle have made many measurements in loop decays where a b quark transitions to an s quark, observing hints of possible deviations from Standard Model expectations in CP-violating measurements.

Biesiada, Jedrzej; /Princeton U.; ,

2007-07-10T23:59:59.000Z

424

Measurements of branching fraction ratios and CP-asymmetries in suppressed B-? D(? K+?-)K- and B-? D(? K+?-)?- decays  

SciTech Connect (OSTI)

We report the first reconstruction in hadron collisions of the suppressed decays B-? D(? K+?-)K- and B-? D(? K+?-)?- decays, sensitive to the CKM phase {gamma}, using data from 7 fb-1 of integrated luminosity collected by the CDF II detector at the Tevatron collider. We reconstruct a signal for the B-? D(? K+?-)K- suppressed mode with a significance of 3.2 standard deviations, and measure the ratios of the suppressed to favored branching fractions R(K) = [22.0 ± 8.6(stat) ± 2.6(syst)] x 10-3, R+(K) = [42.6 ± 13.7(stat) ± 2.8(syst)] x 10-3, R-(K) = [3.8 ± 10.3(stat) ± 2.7(syst)] x 10-3 as well as the direct CP-violating asymmetry A(K) = -0.82±0.44(stat)±0.09(syst) of this mode. Corresponding quantities for B- ? D(? K+?-)?- decay are also reported.

Aaltonen, T. [Helsinki Inst. of Physics; Gonzalez, Alvarez B. [Oviedo U., Cantabria Inst. of Phys.; Amerio, S. [INFN, Padua; Amidei, D. [Michigan U.; Anastassov, A. [Northwestern U.; Annovi, A. [Frascati; Antos, J [Comenius U.; Apollinari, G. [Fermilab; Appel, J. A [Fermilab; Apresyan, A. [Purdue; Arisawa, T. [Waseda U., Dubna, JINR

2011-08-01T23:59:59.000Z

425

Measurement of CP Asymmetries and Branching Fractions in B0 -> pi+ pi-, B0 -> K+ pi-, B0 -> pi0 pi0, B0 -> K0 pi0 and Isospin Analysis of B -> pi pi Decays  

E-Print Network [OSTI]

We present preliminary results of improved measurements of the CP-violating asymmetries and branching fractions in the decays B0 -> pi+ pi-, B0 -> K+ pi-, B0 -> pi0 pi0, and B0 -> K0 pi0. This update includes all data taken at the Y(4S) resonance by the BaBar experiment at the asymmetric PEP-II B-meson factory at SLAC, corresponding to 467 +- 5 million BBbar pairs. We find Spipi = -0.68 +- 0.10 +- 0.03, Cpipi = -0.25 +- 0.08 +- 0.02, AKpi = -0.107 +- 0.016 +0.006-0.004, Cpi0pi0 = -0.43 +- 0.26 +- 0.05, BF(B0 -> pi0 pi0) = (1.83 +- 0.21 +- 0.13) x 10^-6, BF(B0 -> K0 pi0) = (10.1 +- 0.6 +- 0.4) x 10^-6, where the first error is statistical and the second is systematic. We observe CP violation with a significance of 6.7 sigma in B0 -> pi+ pi- and 6.1 sigma in B0 -> K+ pi-. Constraints on the Unitarity Triangle angle alpha are determined from the isospin relation between all B -> pipi rates and asymmetries.

The BABAR Collaboration; B. Aubert

2008-07-31T23:59:59.000Z

426

Measurement of CP Violation in B0 to Phi K0, and of Branching Fraction and CP Violation in B0 to F0(980) K0(S)  

SciTech Connect (OSTI)

The authors measure the time-dependent CP asymmetry parameters in B{sup 0} {yields} K{sup +}K{sup -}K{sup 0} based on a data sample of approximately 277 million B-meson pairs recorded at the {Upsilon}(4S) resonance with the BABAR detector at the PEP-II B-meson Factory at SLAC. They reconstruct two-body B{sup 0} decays to {phi}(1020)K{sub s}{sup 0} and {phi}(1020)K{sub L}{sup 0}. Using a time-dependent maximum-likelihood fit, they measure sin2{beta}{sub eff}({phi}K{sup 0}) = 0.48 {+-} 0.28 {+-} 0.10, and C({phi}K{sup 0}) = 0.16 {+-} 0.25 {+-} 0.09, where the first error is statistical, and the second is systematic. They also present measurements of the CP-violating asymmetries in the decay B{sup 0} {yields} f{sub 0}({yields} {pi}{sup +}{pi}{sup -})K{sub s}{sup 0}. The results are obtained from a data sample of 209 x 10{sup 6} {Upsilon}(4S) {yields} B{bar B} decays, also collected with the BABAR detector at the PEP-II asymmetric-energy B Factory at SLAC. From a time-dependent maximum-likelihood fit they measure the mixing-induced CP violation parameter S(f{sub 0}(980)K{sub S}{sup 0}) = - sin 2{beta}{sub eff}f{sub 0}(980)K{sub S}{sup 0} = -0.95{sub -0.23}{sup +0.32} {+-} 0.10 and the direct CP violation parameter C(f{sub 0}(980)K{sub S}{sup 0}) = - 0.24 {+-} 0.31 {+-} 0.15, where the first errors are statistical and the second systematic. Finally, they present a measurement of the branching fraction of the decay B{sup 0} {yields} f{sub 0}({yields} {pi}{sup +}{pi}{sup -})K{sub S}{sup 0}. From a time-dependent maximum likelihood fit to a data sample of 123 x 10{sup 6} {Upsilon}(4S) {yields} B{bar B} decays they find 93.6 {+-} 13.6 {+-} 6.4 signal events corresponding to a branching fraction of {Beta}(B{sup 0} {yields} f{sub 0}(980)({yields} {pi}{sup +}{pi}{sup -})K{sup 0}) = (6.0 {+-} 0.9 {+-} 0.6 {+-} 1.2) x 10{sup -6}, where the first error is statistical, the second systematic, and the third due to model uncertainties.

Kutter, Paul E.

2008-03-10T23:59:59.000Z

427

Visualizing Branch-and-Bound Algorithms  

E-Print Network [OSTI]

depicted, and the intent of the image was to motivate the use of best projection for node selection. ... In practice, not all solvers implement all ..... Management Science 20 736–773. Forrest ... The tree interface – version 1.0 user manual. Tech.

2007-09-25T23:59:59.000Z

428

BRANCHED ALKANES FROM BLUE-GREEN ALGAE  

E-Print Network [OSTI]

ALKANES FROM BLUE-GREEN ALGAE RECEIV r -· LAWREW RADIATIONAlkanes From Blue-Green Algae by Jerry Han and Oep~rtment l~alkanes from blue-green algae were separated on a The

Han, Jerry; Calvin, Melvin.

2008-01-01T23:59:59.000Z

429

Lookahead Branching for Mixed Integer Programming  

E-Print Network [OSTI]

In the 1990's, in connection with their work on solving large-scale traveling salesper- ..... By examining consequences of fixing 0-1 variables to create potential ...

2006-10-12T23:59:59.000Z

430

Prairie Creek Branch Public Library, Dallas  

E-Print Network [OSTI]

? intelligent landscaping ? efficient MEP systems ? 53 well geothermal / heat pump system ? greywater recapture and reuse ? 7.7 kw photovoltaic array key sustainability overview - energy and water ? compliance with City of Dallas iSWM program ? raised...

Meckfessel, R.

2011-01-01T23:59:59.000Z

431

Nanocrystals with linear and branched topology  

DOE Patents [OSTI]

Disclosed herein are nanostructures comprising distinct dots and rods coupled through potential barriers of tuneable height and width, and arranged in three dimensional space at well defined angles and distances. Such control allows investigation of potential applications ranging from quantum information processing to artificial photosynthesis.

Alivisatos, A. Paul (Oakland, CA); Milliron, Delia (Berkeley, CA); Manna, Liberato (Lecce, IT); Hughes, Steven M. (Berkeley, CA)

2007-12-04T23:59:59.000Z

432

Branching and Bounding Improvements for Global Optimization ...  

E-Print Network [OSTI]

task-parallel paradigms, which we test on an HPC cluster on standard test problems ... ?School of Mathematics, University of Edinburgh, The King's Buildings, ...

Coralia Cartis, Jaroslav M. Fowkes, Nicholas I. M. Gould

2014-04-29T23:59:59.000Z

433

Nucleic acid amplification using modular branched primers  

DOE Patents [OSTI]

Methods and compositions expand the options for making primers for use in amplifying nucleic acid segments. The invention eliminates the step of custom synthesis of primers for Polymerase Chain Reactions (PCR). Instead of being custom-synthesized, a primer is replaced by a combination of several oligonucleotide modules selected from a pre-synthesized library. A modular combination of just a few oligonucleotides essentially mimics the performance of a conventional, custom-made primer by matching the sequence of the priming site in the template. Each oligonucleotide module has a segment that matches one of the stretches within the priming site.

Ulanovsky, Levy (Westmont, IL)

2001-01-01T23:59:59.000Z

434

Experiments with Branching using General Disjunctions  

E-Print Network [OSTI]

5 Acknowledgement. The computational experiments were undertaken on a cluster provided by High Performance Com- puting at Lehigh University. CPLEX

2008-09-17T23:59:59.000Z

435

The effect of branch density polyoxymethylene copolymers  

E-Print Network [OSTI]

feedstocks, depolymerized to formaldehyde through chemical recycling, and may be a viable alternative to many polyolefins. However, there has been limited research on varying the thermomechanical properties of polyoxymethylene so that it can be used in a...

Ilg, Andrea Diane

2009-05-15T23:59:59.000Z

436

Long Branch Capital | Open Energy Information  

Open Energy Info (EERE)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data CenterFranconia, Virginia: Energy Resources Jump to:46 - 429Lacey,(Monaster AndLittletown, Arizona:Lockland, Ohio:LondonBeach,

437

Hawaii Wastewater Branch Webpage | Open Energy Information  

Open Energy Info (EERE)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data CenterFranconia, Virginia: Energy Resources Jump to: navigation,Ohio:Greer CountyCorridor | OpenOpenInformationInformation

438

NRL PLASMA FORMULARY Beam Physics Branch  

E-Print Network [OSTI]

. . . . . . . . . . . . . . . . . . . . . . 42 Solar Physics Parameters . . . . . . . . . . . . . . . . . . . . . 43 Thermonuclear Fusion

Bowman,John C.

439

Executive Branch Management Scorecard | Department of Energy  

Energy Savers [EERE]

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Office of Inspector General Office of Audit|Department of Energy56 EvaluationFriday,

440

Jr., Process Development Branch Construction Division SUBJECT:  

Office of Legacy Management (LM)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "ofEarlyEnergyDepartment ofDepartment ofof EnergyYou$ EGcG ENERGYELIkNATIONHEALXH: l ._I *r'.Jq. 1FR?M :

Note: This page contains sample records for the topic "walker branch throughfall" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
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441

TO :Lyall E. Johnson, Chief Licensing Branch  

Office of Legacy Management (LM)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "ofEarlyEnergyDepartment ofDepartment ofof EnergyYou$0.C. 20545 OCT 28SacandagaSiteCT-. \5-1 .:

442

Study of the B{sup -}{yields}J/{psi}K{sup -}{pi}{sup +}{pi}{sup -} decay and measurement of the B{sup -}{yields}X(3872)K{sup -} branching fraction  

SciTech Connect (OSTI)

We study the decay B{sup -}{yields}J/{psi}K{sup -}{pi}{sup +}{pi}{sup -} using 117x10{sup 6} BB events collected at the Y(4S) resonance with the BABAR detector at the PEP-II e{sup +}e{sup -} asymmetric-energy storage ring. We measure the branching fractions B (B{sup -}{yields}J/{psi}K{sup -}{pi}{sup +}{pi}{sup -})=(116{+-}7(stat.){+-}9(syst.))x10{sup -5} and B (B{sup -}{yields}X(3872)K{sup -})x B (X(3872){yields}J/{psi}{pi}{sup +}{pi}{sup -})=(1.28{+-}0.41)x10{sup -5} and find the mass of the X(3872) to be 3873.4{+-}1.4 MeV/c{sup 2}. We search for the h{sub c} narrow state in the decay B{sup -}{yields}h{sub c}K{sup -}, h{sub c}{yields}J/{psi}{pi}{sup +}{pi}{sup -} and for the decay B{sup -}{yields}J/{psi}D{sup 0}{pi}{sup -}, with D{sup 0}{yields}K{sup -}{pi}{sup +}. We set the 90% C.L. limits B(B{sup -}{yields}h{sub c}K{sup -})xB(h{sub c}{yields}J/{psi}{pi}{sup +}{pi}{sup -})<3.4x10{sup -6} and B(B{sup -}{yields}J/{psi}D{sup 0}{pi}{sup -})<5.2x10{sup -5}.

Aubert, B.; Barate, R.; Boutigny, D.; Couderc, F.; Gaillard, J.-M.; Hicheur, A.; Karyotakis, Y.; Lees, J. P.; Tisserand, V.; Zghiche, A. [Laboratoire de Physique des Particules, F-74941 Annecy-le-Vieux (France); Palano, A.; Pompili, A. [Universita di Bari, Dipartimento di Fisica and INFN, I-70126 Bari (Italy); Chen, J.C.; Qi, N.D.; Rong, G.; Wang, P.; Zhu, Y. S. [Institute of High Energy Physics, Beijing 100039 (China); Eigen, G.; Ofte, I.; Stugu, B. [University of Bergen, Inst. of Physics, N-5007 Bergen (Norway)] [and others

2005-04-01T23:59:59.000Z

443

Saving Tons at the Register Iain Walker, Lawrence Berkeley National Laboratory  

E-Print Network [OSTI]

and Modera 1991). As a result, the "market" for residential ducts is slowly transforming. Energy codes have are additional potential benefits from HVAC system optimization that are made possible by duct improvements

444

The Excess of Small Inverted Repeats in Prokaryotes Emmanuel D. Ladoukakis Adam Eyre-Walker  

E-Print Network [OSTI]

The Excess of Small Inverted Repeats in Prokaryotes Emmanuel D. Ladoukakis Ã? Adam Eyre+Business Media, LLC 2008 Abstract Recent analyses have shown that there is a large excess of perfect inverted previously tends to underestimate the expected num- ber of inverted repeats. However, this bias is not large

Eyre-Walker, Adam

445

ESPAC O TEMPO DE ROBERTSON-WALKER SINU^E DAYAN BARBERO LODOVICI  

E-Print Network [OSTI]

apenas o sistema solar, escala onde a teoria Newtoniana se encontrava restrita. Evid^encias astron densidade de energia e por sua press~ao isotr´opica p. Evid^encias sugerem ser o espa¸co de nosso universo

Piccione, Paolo

446

Quantization of a Friedmann-Robertson-Walker Model with Gauge Fields in N=1 Supergravity  

E-Print Network [OSTI]

The purpose of this paper is to investigate a specific FRW model derived from the theory of N=1 supergravity with gauged supermatter. The supermatter content is restricted to a vector supermultiplet. This objective is particularly worthwhile. In fact, it was pointed in ref. ({\\em Class. Quantum Grav. {\\bf 12} {\\rm (} {\\rm 1995} {\\rm )} {\\rm 1343}}) that $\\Psi = 0$ was the only allowed quantum state for N=1 supergravity with {\\em generic} gauged supermatter subject to suitable FRW ans\\"atze. The ans\\"atze employed here for the physical variables was presented in the above reference. The corresponding Lorentz and supersymmetry quantum constraints are then derived. Non-trivial solutions are subsquently found. A no-boundary solution is identified while another state may be interpreted as a wormhole solution. In addition, the usefulness and limitations of the ans\\"atze are addressed. The implications of the ans\\"atze with respect to the allowed quantum states are also discussed.

P. V. Moniz

1996-04-24T23:59:59.000Z

447

System Effects of High Efficiency Filters in Iain S. Walker , Darryl J. Dickerhoff, David Faulkner  

E-Print Network [OSTI]

, product, or process disclosed, or represents that its use would not infringe privately owned rights. Reference herein to any specific commercial product, process, or service by its trade name, trademark about indoor air quality (IAQ) issues has led to the increased use of more effective air filters

448

Does Mixing Make Residential Ventilation More Effective? Max Sherman, Iain Walker  

E-Print Network [OSTI]

, completeness, or usefulness of any information, apparatus, product, or process disclosed, or represents that its use would not infringe privately owned rights. Reference herein to any specific commercial product exposures worse. Introduction Providing acceptable indoor air quality (IAQ) is a basic building service

449

www.reading.ac.uk/meteoroloy www.walker-institute.ac.uk sbvbavpbafevjbafv  

E-Print Network [OSTI]

temperature. The density of a substance can also be changed by heating or cooling it. For example cold water Gold 19320 Castor oil 956 Milk 1030 Substance Density (kg/m3 ) Temperature of measurement (o C) Water

Hogan, Robin

450

Synthetic creation of a chemotactic system via utilization of magnetically actuated microrobotic walkers  

E-Print Network [OSTI]

Chemotaxis is a fundamental biological process that plays an important role in disease, reproduction, and most biological functions. Here, we present a radically novel method to create the first synthetic chemotactic system ...

Steimel, Joshua Paul

2012-01-01T23:59:59.000Z

451

The Queensland Government has targeted the Walker Institute as an international  

E-Print Network [OSTI]

in the pro- ject says: "Our expertise in climate and its effects on agriculture, land-use and water re is to support inter- national research activities in climate, agricultural and hydrological systems." Premier Beattie. Australia is in the grip of its worst drought on record. Drastic water restrictions are in place

Hogan, Robin

452

Cleantech to Market Projects Spring 2011 1. Residential Ventilation Controller; PI -Iain Walker  

E-Print Network [OSTI]

3. National User Facility for Net-Zero & Low Energy Buildings; PI ­ Doug to conserve energy, maintaining good air quality can be a challenge for many of energy conservation and healthy air quality often conflict with one another

Kammen, Daniel M.

453

Bouquet: a Satellite Constellation Visualization Program for Walkers and Lattice Flower Constellations  

E-Print Network [OSTI]

. Mortari for his continued encouragement, support, pushing me to do my best, and most importantly for giving me the opportunity to take on this project. Thanks also to Drs. Martin Avenda?o and Christian Bruccoleri for their expertise, insight... ....................................................................... 12 3.2 Ikebana by Dr. Martin Avenda?o ......................................................... 13 3.3 STK: Satellite Tool Kit ........................................................................ 15 3.4 GMAT: General Mission Analysis...

Enkh, Mandakh

2011-10-21T23:59:59.000Z

454

Arbitrage-Free Price Ranges for nth-to-Default Swaps Michael B. Walker1 2  

E-Print Network [OSTI]

and call options on a stock are a standard part of text- book discussions of these instruments (e.g. see

Walker, Michael B.

455

Opportunistic management for rangelands not at equilibrium MARK WESTOBY, BRIAN WALKER, AND IMANUEL NOY-MEIR  

E-Print Network [OSTI]

between states. Transitions often rquire a combination of clbnatlc clrcumstmces and management action (e-and- transition model, range management would not see itself as estal~ llshlng a permanent quilibrium. Rather. The state-and-transition model is the alternative we consider. We discuss how research and management would

456

Compound and Elemental Analysis At Walker-Lane Transitional Zone Region  

Open Energy Info (EERE)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home5b9fcbce19 NoPublic Utilities Address: 160Benin:EnergyWisconsin: Energy,(EC-LEDS)ColumbusDHeatGeothermal Area (White, Et

457

Data Acquisition-Manipulation At Walker-Lane Transitional Zone Region  

Open Energy Info (EERE)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home5b9fcbce19 NoPublic Utilities Address:011-DNA Jump to: navigation, searchIllinois: Energy Resources(Blackwell, EtEt Al.,2007)

458

Direct-Current Resistivity Survey At Walker-Lane Transitional Zone Region  

Open Energy Info (EERE)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home5b9fcbce19 NoPublic Utilities Address:011-DNA Jump to:52c8ff988c1Dering Harbor, NewRidge,Dinwiddie(FURUMOTO,Open(Pritchett,

459

Robert L. Fleischer, P. Buford Price, Robert M. Walker, 1971 | U.S. DOE  

Office of Science (SC) Website

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear SecurityTensile Strain Switched5 IndustrialIsadore Perlman, 1960Real Property ManagementRobert B. Laughlin,Office of

460

Hybrid Geometric Feedback Control of Three-Dimensional Bipedal Robotic Walkers with Knees and Feet  

E-Print Network [OSTI]

. Unilateral Constraints . . . . . . . . . . . . . . . . . . 17 C. Domain of Admissibility . . . . . . . . . . . . . . . . . . . 17 D. Ground Contact . . . . . . . . . . . . . . . . . . . . . . . . 19 1. Flat Foot Contact.... . . . . . . . . . . . . . . . . . 6 3 Robot showing a body frame Rb and a world frame R0. . . . . . . . . 11 4 Example of a unilateral constraint, h(q). . . . . . . . . . . . . . . . . 18 5 An example of a robot with flat foot ground contact. . . . . . . . . . 19 6 The dimensions...

Sinnet, Ryan Wesley

2012-07-16T23:59:59.000Z

Note: This page contains sample records for the topic "walker branch throughfall" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


461

Modeling-Computer Simulations At Walker-Lane Transitional Zone Region  

Open Energy Info (EERE)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data CenterFranconia, Virginia: Energy Resources Jump to:46 -Energieprojekte GmbHMilo, Maine:EnergyInformationDecker,(Biasi, Et Al., 2009) |

462

Modeling-Computer Simulations At Walker-Lane Transitional Zone Region  

Open Energy Info (EERE)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data CenterFranconia, Virginia: Energy Resources Jump to:46 -Energieprojekte GmbHMilo, Maine:EnergyInformationDecker,(Biasi, Et Al., 2009)

463

Modeling-Computer Simulations At Walker-Lane Transitional Zone Region  

Open Energy Info (EERE)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data CenterFranconia, Virginia: Energy Resources Jump to:46 -Energieprojekte GmbHMilo, Maine:EnergyInformationDecker,(Biasi, Et Al.,

464

Monitoring of the Airport Calibration Pads at Walker Field, Grand Junction,  

Energy Savers [EERE]

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Office of Inspector General Office0-72.pdfGeorgeDoesn't32Department of Energy Modular CHPColorado, for Long-Term

465

Compound and Elemental Analysis At Walker-Lane Transitional Zone Region  

Open Energy Info (EERE)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Office of InspectorConcentratingRenewable Solutions LLC Jump to: navigation,Area (Keith, Et Al., 1992) | Open(Laney,

466

Data Acquisition-Manipulation At Walker-Lane Transitional Zone Region  

Open Energy Info (EERE)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Office of InspectorConcentratingRenewable Solutions LLC JumpCrow Lake Wind107 CXArea (1982) | Open2008) |

467

Self Potential At Walker-Lane Transitional Zone Region (Pritchett, 2004) |  

Open Energy Info (EERE)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data CenterFranconia, Virginia:FAQ < RAPID Jump to:Seadov Pty Ltd Jump to: navigation, search Name:OpenOpen Energy Information

468

Water Sampling At Walker-Lane Transitional Zone Region (Laney, 2005) | Open  

Open Energy Info (EERE)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home5b9fcbce19 NoPublic Utilities Address: 160 East 300 South Place: Salt LakeWashtenawInformation Henkle, Et Al.,Energy

469

Geodetic Survey At Walker-Lane Transitional Zone Region (Blewitt Et Al,  

Open Energy Info (EERE)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data CenterFranconia, Virginia: Energy Resources Jump to: navigation, searchGeauga County, Ohio: EnergySector: SolarGenoa2005) | Open Energy

470

Geodetic Survey At Walker-Lane Transitional Zone Region (Laney, 2005) |  

Open Energy Info (EERE)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data CenterFranconia, Virginia: Energy Resources Jump to: navigation, searchGeauga County, Ohio: EnergySector: SolarGenoa2005) | Open EnergyOpen

471

Geothermometry At Walker-Lane Transitional Zone Region (Laney, 2005) | Open  

Open Energy Info (EERE)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data CenterFranconia, Virginia: Energy Resources Jump to: navigation, searchGeaugaInformation Mexico -Information Shevenell,

472

Geothermometry At Walker-Lane Transitional Zone Region (Shevenell & De  

Open Energy Info (EERE)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data CenterFranconia, Virginia: Energy Resources Jump to: navigation, searchGeaugaInformation Mexico -Information Shevenell,Rocher,

473

Refraction Survey At Walker-Lane Transitional Zone Region (Heimgartner, Et  

Open Energy Info (EERE)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data CenterFranconia, Virginia:FAQ < RAPID Jump to: navigation, search RAPIDColoradosourceRausWyoming:ReevesInformationAl., 2005) | Open

474

Refraction Survey At Walker-Lane Transitional Zone Region (Laney, 2005) |  

Open Energy Info (EERE)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data CenterFranconia, Virginia:FAQ < RAPID Jump to: navigation, search RAPIDColoradosourceRausWyoming:ReevesInformationAl., 2005) |

475

Isotopic Analysis At Walker-Lane Transitional Zone Region (Kennedy & Van  

Open Energy Info (EERE)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data CenterFranconia, Virginia: Energy Resources Jump to:46 - 429 Throttled (botOpen Energy InformationInformation Laney,Al., 1992)

476

Isotopic Analysis At Walker-Lane Transitional Zone Region (Laney, 2005) |  

Open Energy Info (EERE)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data CenterFranconia, Virginia: Energy Resources Jump to:46 - 429 Throttled (botOpen Energy InformationInformation Laney,Al., 1992)Open

477

WBA-13-0015 - In the Matter of Sherrie Walker | Department of Energy  

Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious Rank EERE:YearRound-Up from theDepartment of Dept.| DepartmentVolvo Trucks Manufacturing PlantWAIDepartment15

478

Field Mapping At Walker Lake Valley Area (Shoffner, Et Al., 2010) | Open  

Open Energy Info (EERE)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home5b9fcbce19 No revision has beenFfe2fb55-352f-473b-a2dd-50ae8b27f0a6 NoSanEnergy InformationInformation 4)EnergyEnergy

479

Field Mapping At Walker-Lane Transitional Zone Region (Shevenell, Et Al.,  

Open Energy Info (EERE)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home5b9fcbce19 No revision has beenFfe2fb55-352f-473b-a2dd-50ae8b27f0a6 NoSanEnergy InformationInformation

480

Ground Gravity Survey At Walker Lake Valley Area (Shoffner, Et Al., 2010) |  

Open Energy Info (EERE)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home5b9fcbce19 No revision hasInformation Earth's Heat Jump to:Photon Place:Net Jump to: navigation,2004)Energy

Note: This page contains sample records for the topic "walker branch throughfall" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


481

Teleseismic-Seismic Monitoring At Walker-Lane Transitional Zone Region  

Open Energy Info (EERE)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data CenterFranconia, Virginia:FAQ < RAPID Jump to:Seadov Pty LtdSteen,Ltd Jump to:Taos County,Tees Valley(Newman, EtGeothermal Area

482

Teleseismic-Seismic Monitoring At Walker-Lane Transitional Zone Region  

Open Energy Info (EERE)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data CenterFranconia, Virginia:FAQ < RAPID Jump to:Seadov Pty LtdSteen,Ltd Jump to:Taos County,Tees Valley(Newman, EtGeothermal Area(Biasi,

483

Thermal Gradient Holes At Walker-Lane Transitional Zone Region (Pritchett,  

Open Energy Info (EERE)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data CenterFranconia, Virginia:FAQ < RAPID Jump to:Seadov Pty LtdSteen,Ltd Jump JumpAl., 1978) | Open Energy Information Date 19782004) |

484

Trace Element Analysis At Walker-Lane Transitional Zone Region (Coolbaugh,  

Open Energy Info (EERE)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data CenterFranconia, Virginia:FAQ < RAPID Jump to:Seadov Pty LtdSteen,Ltd JumpOperationsInformationRowleyIndianaToyon PowerAl.,|OpenEt

485

InSAR At Walker-Lane Transitional Zone Region (Laney, 2005) | Open Energy  

Open Energy Info (EERE)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data CenterFranconia, Virginia: Energy Resources Jump to: navigation,Ohio:GreerHiCalifornia:ISIIrrigationDesert Peak AreaInformation

486

Field Mapping At Walker-Lane Transitional Zone Region (Blewitt Et Al, 2005)  

Open Energy Info (EERE)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home5b9fcbce19 NoPublic Utilities Address:011-DNA Jump37.California: EnergyFeilden Clegg| Open Energy InformationThe2011) |Al.,|

487

Responses of the adult almond moth, (Ephestia cautella (Walker)) to intermittent near ultraviolet radiation stimuli  

E-Print Network [OSTI]

, but the light out- put also fluctuates in a similar manner when the lamp is operated from an alternating power souroe. Figure 3 shows the typical pattern of fluotuations in radiation output from an argon glow lamp when energiaed by conventional 60-cyols a... 3j2mycle of the energiaing voltage. Thus, the pulses shown are reourrent at the rats of 120 per second. insect attractants indicate that no consideration has been given to the possible influence of supply voltage frequency cn the attractive effi...

Hollingsworth, Joe Pettus

1961-01-01T23:59:59.000Z

488

Unimolecular photodissociation dynamics of ketene (CH{sub 2}CO): The singlet/triplet branching ratio and experimental observation of the vibrational level thresholds of the transition-state  

SciTech Connect (OSTI)

The rotational distributions of CO products from the dissociation of ketene at photolysis energies 10 cm{sup {minus}1} below, 56, 110, 200, 325, 425, 1,107, 1,435, 1,720, and 2,500 cm{sup {minus}1} above the singlet threshold, are measured in a supersonic free jet of ketene. The CO(v{double_prime} = 0) rotational distributions at 56, 110, 200, 325, and 425 cm{sup {minus}1} are bimodal. The peaks at low J`s, which are due to CO from the singlet channel, show that the product rotational distribution of CO product from ketene dissociation on the singlet surface is well described by phase space theory (PST). For CO(v{double_prime} = 0) rotational distributions at higher excess energies, the singlet and triplet contributions are not clearly resolved, and the singlet/triplet branching ratios are estimated by assuming that PST accurately predicts the CO rotational distribution from the singlet channel and that the distribution from the triplet channel changes little from that at 10 cm{sup {minus}1} below the singlet threshold. At 2,500 cm{sup {minus}1} excess energy, the CO(v{double_prime} = 1) rotational distribution is obtained, and the ratio of CO(v{double_prime} = 1) to CO(v{double_prime} = 0) products for the singlet channel is close to the variational RRKM calculation, 0.038, and the separate statistical ensembles (SSE) prediction, 0.041, but much greater than the PST prediction, 0.016. Rate constants for the dissociation of ketene (CH{sub 2}CO) and deuterated ketene (CD{sub 2}CO) have been measured at the threshold for the production of the CH(D){sub 2} and CO. Sharp peaks observed in photofragment excitation (PHOFEX) spectra probing CO (v = 0, J = 2) product are identified with the C-C-O bending mode of the transition state. RRKM calculations are carried out for two limiting cases for the dynamics of K-mixing in highly vibrationally excited reactant states.

Kim, S.K.

1993-05-01T23:59:59.000Z

489

First Observation of B[over-bar][subscript s][superscript 0]-->D[subscript s][superscript ±]K[superscript ?] and Measurement of the Ratio of Branching Fractions B(B[over-bar][subscript s][superscript 0]-->D[subscript s][superscript ±]K[superscript ?]/B([over-bar][subscript s][superscript 0]-->D[subscript s][superscript +] pi[superscript -])  

E-Print Network [OSTI]

A combined mass and particle identification fit is used to make the first observation of the decay B[over-bar] s0-->Ds±K? and measure the branching fraction of B[over-bar] s0-->Ds±K? relative to B[over-bar] s0-->Ds+pi-. ...

Bauer, Gerry P.

490

Spatial variability of throughfall water and chemistry and forest floor water content in a Douglas fir forest stand Hydrology and Earth System Sciences, 6(3), 363374 (2002) EGS  

E-Print Network [OSTI]

of Environmental Sciences, Energy Research and Process Innovation (TNO-MEP), P.O. Box 342, NL-7300 AH Apeldoorn a field plot. Such studies have not been designed to sample the spatial heterogeneity that normally exists overlook a rich abundance of information found at a higher resolution. For example, individual plants may

Boyer, Edmond

491

Measurements of Time-Dependent CP-Asymmetry Parameters in B Meson Decays to \\eta^{\\prime} K^0 and of Branching Fractions of SU(3) Related Modes with BaBar Experiment at SLAC  

SciTech Connect (OSTI)

In this thesis work we have measured the following upper limits at 90% of confidence level, for B meson decays (in units of 10{sup -6}), using a statistics of 465.0 x 10{sup 6} B{bar B} pairs: {Beta}(B{sup 0} {yields} {eta}K{sup 0}) < 1.6 {Beta}(B{sup 0} {yields} {eta}{eta}) < 1.4 {Beta}(B{sup 0} {yields} {eta}{prime}{eta}{prime}) < 2.1 {Beta}(B{sup 0} {yields} {eta}{phi}) < 0.52 {Beta}(B{sup 0} {yields} {eta}{omega}) < 1.6 {Beta}(B{sup 0} {yields} {eta}{prime}{phi}) < 1.2 {Beta}(B{sup 0} {yields} {eta}{prime}{omega}) < 1.7 We have no observation of any decay mode, statistical significance for our measurements is in the range 1.3-3.5 standard deviation. We have a 3.5{sigma} evidence for B {yields} {eta}{omega} and a 3.1 {sigma} evidence for B {yields} {eta}{prime}{omega}. The absence of observation of the B{sup 0} {yields} {eta}K{sup 0} open an issue related to the large difference compared to the charged mode B{sup +} {yields} {eta}K{sup +} branching fraction, which is measured to be 3.7 {+-} 0.4 {+-} 0.1 [118]. Our results represent substantial improvements of the previous ones [109, 110, 111] and are consistent with theoretical predictions. All these results were presented at Flavor Physics and CP Violation (FPCP) 2008 Conference, that took place in Taipei, Taiwan. They will be soon included into a paper to be submitted to Physical Review D. For time-dependent analysis, we have reconstructed 1820 {+-} 48 flavor-tagged B{sup 0} {yields} {eta}{prime}K{sup 0} events, using the final BABAR statistic of 467.4 x 10{sup 6} B{bar B} pairs. We use these events to measure the time-dependent asymmetry parameters S and C. We find S = 0.59 {+-} 0.08 {+-} 0.02, and C = -0.06 {+-} 0.06 {+-} 0.02. A non-zero value of C would represent a directly CP non-conserving component in B{sup 0} {yields} {eta}{prime}K{sup 0}, while S would be equal to sin2{beta} measured in B{sup 0} {yields} J/{psi}K{sub s}{sup 0} [108], a mixing-decay interference effect, provided the decay is dominated by amplitudes of a single weak phase. The new measured value of S can be considered in agreement with the expectations of the 'Standard Model', inside the experimental and theoretical uncertainties. Inconsistency of our result for S with CP conservation (S = 0) has a significance of 7.1 standard deviations (statistical and systematics included). Our result for the direct-CP violation parameter C is 0.9 standard deviations from zero (statistical and systematics included). Our results are in agreement with the previous ones [18]. Despite the statistics is only 20% larger than the one used in previous measurement, we improved of 20% the error on S and of 14% the error on C. This error is the smaller ever achieved, by both BABAR and Belle, in Time-Dependent CP Violation Parameters measurement is a b {yields} s transition.

Biassoni, Pietro; /Milan U.

2009-01-22T23:59:59.000Z

492

Distances toDistances to HVCsHVCs usingusing blue horizontal branch starsblue horizontal branch stars  

E-Print Network [OSTI]

)(Wisconsin) ElseElse StarkenburgStarkenburg ((KapteynKapteyn Lab)Lab) Lucy Frey (Case)Lucy Frey (Case) andand)Mario Mateo (Michigan) Heather Morrison (Case)Heather Morrison (Case) John Norris (MSSSO)John Norris (MSSSODan OravetzOravetz, Lucy Frey (Case), Lucy Frey (Case) #12;Distances are important:Distances are important

Peletier, Reynier

493

Measurement of the ratio of the production cross sections times branching fractions of Bc+/- to J/psi pi+/- and B+/- to J/psi K+/- and B(Bc+/- to J/psi pi+/- pi+/- pi-/+)/B(Bc+/- to J/psi pi+/-) in pp collisions at sqrt(s) = 7 TeV  

SciTech Connect (OSTI)

The ratio of the production cross sections times branching fractions (sigma(Bc+) B(Bc+ to J/psi pi+))/ (sigma(B+) B(B+ to J/psi K+)) is studied in proton-proton collisions at a center-of-mass energy of 7 TeV with the CMS detector at the LHC. The kinematic region investigated requires Bc+/- and B+/- mesons with transverse momentum pt > 15 GeV and rapidity abs(y) < 1.6. The data sample corresponds to an integrated luminosity of 5.1 inverse femtobarns. The ratio is determined to be [0.48 +/- 0.05 (stat) +/- 0.03 (syst) +/- 0.05 (tau_{Bc})]% The J/psi pi+/- pi+/- pi-/+ decay mode is also observed in the same data sample. Using a model-independent method developed to measure the efficiency given the presence of resonant behaviour in the three-pion system, the ratio of the branching fractions B(Bc+/- to J/psi pi+/- pi+/- pi-/+) / B(Bc+/- to J/psi pi+/-) is measured to be 2.55 +/- 0.80 (stat) +/- 0.33 (syst) +0.04/-0.01 (tau[Bc+]), consistent with the previous LHCb result.

Khachatryan, V. [Yerevan Physics Institute (Armenia); et al.,

2015-01-01T23:59:59.000Z

494

Measurement of the B0 ->π−ℓνand B ->η(′)ℓνBranching Fractions, the B0 ->π−ℓνand B ->ηℓνForm-Factor Shapes, and Determination of |Vub|  

SciTech Connect (OSTI)

We report the results of a study of the exclusive charmless semileptonic decays, B{sup +} {yields} {eta}{sup {prime}}{ell}{sup +}{nu} and B{sup 0} {yields} {pi}{sup -}{ell}{sup +}{nu}, undertaken with approximately 464 million B{bar B} pairs collected at the {Upsilon}(4S) resonance with the BABAR detector. The analysis uses events in which the signal B decays are reconstructed with a loose neutrino reconstruction technique. We obtain partial branching fractions for B{sup +} {yields} {eta}{ell}{sup +}{nu} and B{sup 0} {yields} {pi}{sup -}{ell}{sup +}{nu} decays in three and 12 bins of q{sup 2}, respectively, from which we extract the f{sub +}(q{sup 2}) form-factor shapes and the total branching fractions {Beta}(B{sup +} {yields} {eta}{ell}{sup +}{nu}) = (0.36 {+-} 0.05{sub stat} {+-} 0.04{sub syst}) x 10{sup -4} and {Beta}(B{sup 0} {yields} {pi}{sup -}{ell}{sup +}{nu}) = (1.42 {+-} 0.05{sub stat} {+-} 0.07{sub syst}) x 10{sup -4}. We also measure {Beta}(B{sup +} {yields} {eta}{sup {prime}}{ell}{sup +}{nu}) = (0.24 {+-} 0.08{sub stat} {+-} 0.03{sub syst}) x 10{sup -4}. We obtain values for the magnitude of the CKM matrix element |V{sub ub}| using three different QCD calculations.

del Amo Sanchez, P.; Lees, J.P.; Poireau, V.; Prencipe, E.; Tisserand, V.; /Annecy, LAPP; Garra Tico, J.; Grauges, E.; /Barcelona U., ECM; Martinelli, M.; Milanes, D.A.; Palano, A.; Pappagallo, M.; /INFN, Bari /Bari U.; Eigen, G.; Stugu, B.; Sun, L.; /Bergen U.; Brown, D.N.; Kerth, L.T.; Kolomensky, Yu.G.; Lynch, G.; Osipenkov, I.L.; /UC, Berkeley; Koch, H.; Schroeder, T.; /Ruhr U., Bochum /British Columbia U. /Brunel U. /Novosibirsk, IYF /UC, Irvine /UC, Riverside /UC, Santa Barbara /UC, Santa Cruz /Caltech /Cincinnati U. /Colorado U. /Colorado State U. /Dortmund U. /Dresden, Tech. U. /Ecole Polytechnique /Edinburgh U. /INFN, Ferrara /Ferrara U. /INFN, Ferrara /INFN, Ferrara /Ferrara U. /INFN, Ferrara /Frascati /INFN, Genoa /Genoa U. /INFN, Genoa /INFN, Genoa /Genoa U. /INFN, Genoa /INFN, Genoa /Genoa U. /Indian Inst. Tech., Guwahati /Harvard U. /Heidelberg U. /Humboldt U., Berlin /Imperial Coll., London /Iowa State U. /Iowa State U. /Johns Hopkins U. /Paris U., VI-VII /LLNL, Livermore /Liverpool U. /Queen Mary, U. of London /Royal Holloway, U. of London /Royal Holloway, U. of London /Louisville U. /Mainz U., Inst. Kernphys. /Manchester U. /Maryland U. /Massachusetts U., Amherst /MIT /McGill U. /INFN, Milan /Milan U. /INFN, Milan /INFN, Milan /Milan U. /Mississippi U. /Montreal U. /INFN, Naples /Naples U. /NIKHEF, Amsterdam /NIKHEF, Amsterdam /Notre Dame U. /Ohio State U. /Oregon U. /INFN, Padua /Padua U. /INFN, Padua /INFN, Padua /Padua U. /Paris U., VI-VII /INFN, Perugia /Perugia U. /INFN, Pisa /Pisa U. /INFN, Pisa /Pisa, Scuola Normale Superiore /INFN, Pisa /Pisa U. /INFN, Pisa /Princeton U. /INFN, Rome /INFN, Rome /Rome U. /INFN, Rome /INFN, Rome /Rome U. /INFN, Rome /INFN, Rome /Rome U. /INFN, Rome /INFN, Rome /Rome U. /Rostock U. /Rutherford /DAPNIA, Saclay /SLAC /South Carolina U. /Southern Methodist U. /Stanford U., Phys. Dept. /SUNY, Albany /Tel Aviv U. /Tennessee U. /Texas Nuclear Corp., Austin /Texas U., Dallas /INFN, Turin /Turin U. /INFN, Trieste /Trieste U. /Valencia U. /Victoria U. /Warwick U. /Wisconsin U., Madison

2011-08-12T23:59:59.000Z

495

Measurement of the ratio of branching fractions {ital B}({ital D}{sup 0}{r_arrow}{pi}{sup {minus}}{ital e}{sup +}{nu}{sub {ital e}})/{ital B}({ital D}{sup 0}{r_arrow}{ital K}{sup {minus}}{ital e}{sup +}{nu}{sub {ital e}})  

SciTech Connect (OSTI)

Using 3.0 fb{sup {minus}1} of data collected with the CLEO-II detector, we study the Cabibbo-suppressed decay {ital D}{sup 0}{r_arrow}{pi}{sup {minus}}{ital e}{sup +}{nu}{sub {ital e}}. The ratio of the branching fractions {ital B}({ital D}{sup 0}{r_arrow}{pi}{sup {minus}}{ital e}{sup +}{nu}{sub {ital e}})/{ital B}({ital D}{sup 0}{r_arrow}{ital K}{sup {minus}}{ital e}{sup +}{nu}{sub {ital e}}) is measured to be (10.3{plus_minus}3.9{plus_minus}1.3)%, corresponding to an upper limit of 15.6% at the 90% confidence level.

Butler, F.; Fu, X.; Nemati, B.; Ross, W.R.; Skubic, P.; Wood, M.; Bishai, M.; Fast, J.; Gerndt, E.; Hinson, J.W.; McIlwain, R.L.; Miao, T.; Miller, D.H.; Modesitt, M.; Payne, D.; Shibata, E.I.; Shipsey, I.P.J.; Wang, P.N.; Gibbons, L.; Kwon, Y.; Roberts, S.; Thorndike, E.H.; Coan, T.E.; Dominick, J.; Fadeyev, V.; Korolkov, I.; Lambrecht, M.; Sanghera, S.; Shelkov, V.; Skwarnicki, T.; Stroynowski, R.; Volobouev, I.; Wei, G.; Artuso, M.; Gao, M.; Goldberg, M.; He, D.; Horwitz, N.; Moneti, G.C.; Mountain, R.; Muheim, F.; Mukhin, Y.; Playfer, S.; Rozen, Y.; Stone, S.; Xing, X.; Zhu, G.; Bartelt, J.; Csorna, S.E.; Egyed, Z.; Jain, V.; Gibaut, D.; Kinoshita, K.; Pomianowski, P.; Barish, B.; Chadha, M.; Chan, S.; Cowen, D.F.; Eigen, G.; Miller, J.S.; O`Grady, C.; Urheim, J.; Weinstein, A.J.; Wuerthwein, F.; Asner, D.M.; Athanas, M.; Bliss, D.W.; Brower, W.S.; Masek, G.; Paar, H.P.; Gronberg, J.; Korte, C.M.; Kutschke, R.; Menary, S.; Morrison, R.J.; Nakanishi, S.; Nelson, H.N.; Nelson, T.K.; Qiao, C.; Richman, J.D.; Roberts, D.; Ryd, A.; Tajima, H.; Witherell, M.S.; Balest, R.; Cho, K.; Ford, W.T.; Lohner, M.; Park, H.; Rankin, P.; Smith, J.G.; Alexander, J.P.; Bebek, C.; Berger, B.E.; Berkelman, K.; Bloom, K.; Browder, T.E.; Cassel, D.G.; Cho, H.A.; Coffman, D.M.; Crowcroft, D.S.; Dickson, M.; Drell, P.S.; Dumas, D.J.; Ehrlich, R.; Elia, R.; Gaidarev, P.; Garcia-Sciveres, M.; Gittelman, B.; Gray, S.W.; Hartill, D.L.; Heltsley, B.K.; Henderson, S.; Jones, C.D.; Jones, S.L.; Kandaswamy, J.; Katayama, N.; Kim, P.C.; Kreinick, D.L.; Liu, Y.; Ludwig, G.S.; Masui, J.; Mevissen, J.; Mistry, N.B.; Ng, C.R.; Nordberg, E.; Patterson, J.R.; Peterson, D.; Riley, D.; Soffer, A.; Avery, P.; Freyberger, A.; Lingel, K.; Rodriguez, J.; Yang, S.; Yelton, J.; Brandenburg, G.; Cinabro, D.; Liu, T.; Saulnier, M.; Wilson, R.; Yamamoto, H.; Bergfeld, T.; Eisenstein, B.I.; Ernst, J.; Gladding, G.E.; Gollin, G.D.; Palmer, M.; Selen, M.; Thaler, J.J.; Edwards, K.W.; McLean, K.W.; (CLEO Collabor..

1995-09-01T23:59:59.000Z

496

Vol. 60364 P. L. WALKER,JR.,AND EMILERAATS whether the swelling is of the predicted order of  

E-Print Network [OSTI]

ofpetro- leum coke bound together by a thin shell of coal tar pitch coke, which essentially consists

497

December Safety Meeting Minutes Members Present: Lori Parker (ODF&W) Randy Walker (HMSC) Alana Preble (HMSC)  

E-Print Network [OSTI]

about HMSC Facilities adopting a "Best Management Practice" for storm water runoff in the parking lots. Facilities is in the process of cleaning the storm water catch basins on campus and removing the sand of the road in front of ODF&W being free from water during the November flooding of 06. This was the result

498

11. PUBLICATIONS 2001-2002 Addis Tsehaye, Buchanan, A.H. & Walker, J.C.F. Selecting trees for structural  

E-Print Network [OSTI]

.J., 2001. Reducing sediment inputs into Scottish streams: a review of the efficacy of soil conservation.N., & Southerwood, J., (in press). Justice is requisite to sustainability: the future of the forests on South Island Landless Natives Act Lands, New Zealand. In Resource Management and Indigenous Land Claims in the Pacific

Hickman, Mark

499

PTC-6 vacuum system: WallWalker{trademark} and Blastrac{reg_sign} shot blast cleaning system  

SciTech Connect (OSTI)

The LTC Americas, Inc. wall decontamination technology consisted of two pneumatic hand-held tools: (1) a roto-peen scaler that used star cutters and (2) a 3-piston hammer with reciprocating bits. The hand-held tools were used in conjunction with the LTC PTC-6 vacuum system which captured dust and debris as the wall decontamination took place. Recommendations for improved worker safety and health during use of the PTC-6 vacuum system with hand-held tools include: (1) keeping all hoses and lines as orderly as possible in compliance with good housekeeping requirements; (2) ergonomic training to include techniques in lifting, bending, stooping, twisting, etc.; (3) use of a clamping system to hold hoses to the vacuum system; (4) a safety line on the air line connections; (5) use of a mechanical lifting system for waste drum removal; and (6) the use of ergonomically designed tools.

NONE

1998-02-01T23:59:59.000Z

500

New Dynamic Models for Planar Extensible Continuum Robot Manipulators Enver Tatlicioglu, Ian D. Walker, and Darren M. Dawson  

E-Print Network [OSTI]

or an octopus arm [15]. It is a three-section robot with nine degrees of freedom where each section hasNew Dynamic Models for Planar Extensible Continuum Robot Manipulators Enver Tatlicioglu, Ian D 3-section extensible continuum robot manipulator. The results show a much stronger match to physical