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1

NREL: Energy Analysis - Maureen Hand  

NLE Websites -- All DOE Office Websites (Extended Search)

E-mail: maureen.hand@nrel.gov Areas of expertise Active control systems for utility-scale wind turbines Advanced control systems Numerical modeling and control system design...

2

Maureen field development taking shape. [North Sea  

SciTech Connect

Phillips' 100,000-ton platform for the Maureen field in the UK sector of the North Sea with three cylindrical steel tanks for ballast and storage of up to 650,000 bbls of crude, will be the first gravity-type structure to be set over an existing pre-drilled template, and the pre-stressed concrete loading column will be the first for the North Sea.

1982-02-01T23:59:59.000Z

3

Maureen Williams  

Science Conference Proceedings (OSTI)

... Electronics Manufacturing Initiative (iNEMI) Sn whisker projects and from ... 1 & 2 of the Lead Free Electronics Manhattan Project (LFMP), sponsored ...

2012-10-01T23:59:59.000Z

4

Stably Free Modules Over the Klein Bottle.  

E-Print Network (OSTI)

??This paper is concerned with constructing countably many, non-free stably free modules for the Klein bottle group. The work is based on the papers Stably (more)

Misseldine, Andrew

2010-01-01T23:59:59.000Z

5

Gas Flux Sampling (Klein, 2007) | Open Energy Information  

Open Energy Info (EERE)

Gas Flux Sampling (Klein, 2007) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Gas Flux Sampling (Klein, 2007) Exploration Activity Details...

6

Leading the Charge: Christine Klein | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Christine Klein Christine Klein Leading the Charge: Christine Klein September 6, 2013 - 12:59pm Addthis Christine Klein, Vice President/Chief Operating Officer of the Calista Corporation Christine Klein, Vice President/Chief Operating Officer of the Calista Corporation Leading the Charge: Christine Klein Christine Klein, Vice President/Chief Operating Officer of the Calista Corporation Leading the Charge: Christine Klein What does this mean for me? All our rural areas are at risk if we don't address the energy crisis. Doing nothing while these villages disappear would be unspeakable. If we don't get on top of this, your village might go away, like mine did. That's not something you want to tell people. But I can say that because I've seen it in my own lifetime. It all comes down to affordable

7

Evidence Against Klein Paradox in Graphene  

E-Print Network (OSTI)

It is demonstrated that both transmission and reflection coefficients associated to the Klein paradox at a step barrier are positive and less than unity, so that the particle-antiparticle pair creation mechanism commonly linked to this phenomenon is not necessary. Because graphene is a solid-state testing ground for quantum electrodynamics phenomena involving massless Dirac fermions we suggest that the transport characteristic through a p-n graphene junction can decide between the results obtained in this paper and the common Klein paradox theory, which imply negative transmission and higher-than-unity reflection coefficients. Recent experimental evidence supports our findings.

Daniela Dragoman

2007-01-13T23:59:59.000Z

8

Water-Gas Samples (Klein, 2007) | Open Energy Information  

Open Energy Info (EERE)

Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Water-Gas Samples (Klein, 2007) Exploration Activity Details Location Unspecified...

9

Surface Gas Sampling (Klein, 2007) | Open Energy Information  

Open Energy Info (EERE)

source source History View New Pages Recent Changes All Special Pages Semantic Search/Querying Get Involved Help Apps Datasets Community Login | Sign Up Search Page Edit History Facebook icon Twitter icon » Surface Gas Sampling (Klein, 2007) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Surface Gas Sampling (Klein, 2007) Exploration Activity Details Location Unspecified Exploration Technique Surface Gas Sampling Activity Date Usefulness not indicated DOE-funding Unknown References Christopher W. Klein (1 January 2007) Advances In The Past 20 Years- Geochemistry In Geothermal Exploration Resource Evaluation And Reservoir Management Retrieved from "http://en.openei.org/w/index.php?title=Surface_Gas_Sampling_(Klein,_2007)&oldid=689399"

10

Maureen Dunn | BNL  

NLE Websites -- All DOE Office Websites (Extended Search)

cruises at sea and in research expeditions through rainforests of the Amazonas, Venezuela and Costa Rica Selected Publications Huang, D., Zhao, C., Dunn, M., Dong, X., Mace,...

11

Teleparallel Equivalent of Non-Abelian Kaluza-Klein Theory  

E-Print Network (OSTI)

Based on the equivalence between a gauge theory for the translation group and general relativity, a teleparallel version of the non-abelian Kaluza-Klein theory is constructed. In this theory, only the fiber-space turns out to be higher-dimensional, spacetime being kept always four-dimensional. The resulting model is a gauge theory that unifies, in the Kaluza-Klein sense, gravitational and gauge fields. In contrast to the ordinary Kaluza-Klein models, this theory defines a natural length-scale for the compact sub-manifold of the fiber space, which is shown to be of the order of the Planck length.

A. L. Barbosa; L. C. T. Guillen; J. G. Pereira

2002-08-18T23:59:59.000Z

12

Teleparallel Equivalent of the Kaluza-Klein Theory  

E-Print Network (OSTI)

Relying upon the equivalence between a gauge theory for the translation group and general relativity, a teleparallel version of the original Kaluza-Klein theory is developed. In this model, only the internal space (fiber) turns out to be five dimensional, spacetime being kept always four dimensional. A five-dimensional translational gauge theory is obtained which unifies, in the sense of Kaluza-Klein theories, gravitational and electromagnetic interactions.

V. C. de Andrade; L. C. T. Guillen; J. G. Pereira

1999-09-01T23:59:59.000Z

13

Compton scattering in the Klein-Nishina Regime Revisited  

E-Print Network (OSTI)

In blazars such as 3C 279, GeV gamma-rays are thought to be produced by inverse Compton scattering of soft photons injected from external sources into the jet. Because of the large bulk Lorentz factor of the jet, the energy of soft photons is Doppler shifted in the comoving frame of the jet, and the scattering is likely to occur in the Klein-Nishina regime. Although the Klein-Nishina effects are well known, the properties of the electron and emission spectra have not been studied in detail in the environment of blazars. We solve the kinetic equation of electrons with the spatial escape term of the electrons to obtain the electron energy spectrum in the jet and calculated the observed emission spectrum. In calculations of the Compton losses in the Klein-Nishina regime, we use the discrete loss formalism to take into account the significant energy loss in a single scattering. Although the scattering cross section decreases because of the Klein-Nishina effects, ample gamma rays are emitted by inverse Compton scattering. When the injection spectrum of electrons obeys a power law, the electron spectrum does not follow a broken power law, as a result of the Klein-Nishina effects, and a large number of high-energy electrons remain in the emitting region.

Masaaki Kusunose; Fumio Takahara

2005-03-10T23:59:59.000Z

14

A real space split operator method for the Klein-Gordon equation  

Science Conference Proceedings (OSTI)

The Klein-Gordon equation is a Lorentz invariant equation of motion for spinless particles. We propose a real space split operator method for the solution of the time-dependent Klein-Gordon equation with arbitrary electromagnetic fields. Split operator ... Keywords: 02.70.-c, 02.70.Bf, 03.65.Pm, Klein-Gordon equation, Numerical simulation, Split operator method

Matthias Ruf; Heiko Bauke; Christoph H. Keitel

2009-12-01T23:59:59.000Z

15

The Scalar Field Source in Kaluza-Klein Theory  

E-Print Network (OSTI)

To better understand the scalar field typical of higher-dimensional extensions of general relativity, we analyse three classes of solutions. In all, the field equation for the extra dimension resembles the Klein-Gordon equation, and we evaluate the strength of the source. Our results show that the scalar field is coupled to matter, and may be regarded as generating it.

Paul S. Wesson; James M. Overduin

2013-07-18T23:59:59.000Z

16

Kaluza-Klein Cosmology With Modified Holographic Dark Energy  

E-Print Network (OSTI)

We investigate the compact Kaluza-Klein cosmology in which modified holographic dark energy is interacting with dark matter. Using this scenario, we evaluate equation of state parameter as well as equation of evolution of the modified holographic dark energy. Further, it is shown that the generalized second law of thermodynamics holds without any constraint.

M. Sharif; Farida Khanum

2011-06-13T23:59:59.000Z

17

Rudd Klein Alternative Energy Ventures LLC aka Phoenix Energy Fund | Open  

Open Energy Info (EERE)

Rudd Klein Alternative Energy Ventures LLC aka Phoenix Energy Fund Rudd Klein Alternative Energy Ventures LLC aka Phoenix Energy Fund Jump to: navigation, search Name Rudd-Klein Alternative Energy Ventures LLC (aka Phoenix Energy Fund) Place New York, New York Sector Solar Product New York venture capital firm, specialising in early-stage solar companies. References Rudd-Klein Alternative Energy Ventures LLC (aka Phoenix Energy Fund)[1] LinkedIn Connections CrunchBase Profile No CrunchBase profile. Create one now! This article is a stub. You can help OpenEI by expanding it. Rudd-Klein Alternative Energy Ventures LLC (aka Phoenix Energy Fund) is a company located in New York, New York . References ↑ "Rudd-Klein Alternative Energy Ventures LLC (aka Phoenix Energy Fund)" Retrieved from "http://en.openei.org/w/index.php?title=Rudd_Klein_Alternative_Energy_Ventures_LLC_aka_Phoenix_Energy_Fund&oldid=350507"

18

1-D Dirac Equation, Klein Paradox and Graphene  

E-Print Network (OSTI)

Solutions of the one dimensional Dirac equation with piece-wise constant potentials are presented using standard methods. These solutions show that the Klein Paradox is non-existent and represents a failure to correctly match solutions across a step potential. Consequences of this exact solution are studied for the step potential and a square barrier. Characteristics of massless Dirac states and the momentum linear band energies for Graphene are shown to have quite different current and momentum properties.

S. P. Bowen

2008-07-23T23:59:59.000Z

19

Wavepacket Solutions of the Klein-Gordon Equation  

E-Print Network (OSTI)

We find dispersion-free wavepacket solutions to the Klein-Gordon equation, with the only free parameter being the wavepacket velocity $ {\\bf v} $. These wavefunctions are eigenvectors of a velocity operator with commuting components which is symmetric in a certain scalar product space. We show that this velocity operator corresponds to a classical generator which may be obtained by a canonical tranformation from $ {\\bf x}, {\\bf k} $.

Shaun N. Mosley

2007-07-23T23:59:59.000Z

20

Nonlinear Klein-Gordon equation fot nanoscale heat and mass transport  

E-Print Network (OSTI)

In this paper nonlinear Klein-Gordon equation for heat and mass transport in nanoscale was proposed and solved. It was shown that for ultra-short laser pulses nonlinear Klein-Gordon equation is reduced to nonlinear d`Alembert equation. The implicit solution of the d`Alembert equation for ultrashort laser pulses was obtained Key words: nonlinear Klein-Gordon equation, d`Alembert equation, nanoscale transport

Janina Kozlowska; Miroslaw Kozlowski; Magdalena Pelc

2006-11-26T23:59:59.000Z

Note: This page contains sample records for the topic "maureen klein 202-586-8013" 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

Spending behaviour of visitors to the Klein Karoo National Arts Festival / Martinette Kruger.  

E-Print Network (OSTI)

??The Klein Karoo National Arts Festival (KKNK) is one of the most popular arts festivals in South Africa, but ticket sales have alarmingly declined since (more)

Kruger, Martinette

2009-01-01T23:59:59.000Z

22

Geometric Origin of Physical Constants in a Kaluza-Klein Tetrad Model  

E-Print Network (OSTI)

An important feature of Kaluza-Klein theories is their ability to relate fundamental physical constants to the radii of higher dimensions. In previous Kaluza-Klein theory, which unifies the electromagnetic field with gravity as dimensionless components of a Kaluza-Klein metric, i) all fields have the same physical dimensions, ii) the Lagrangian has no explicit dependence on any physical constants except mass, and hence iii) all physical constants in the field equations except for mass originate from geometry. While it seems natural in Kaluza-Klein theory to add fermion fields by defining higher dimensional bispinor fields on the Kaluza-Klein manifold, these Kaluza-Klein theories do not satisfy conditions (i), (ii), and (iii). In this paper, we show how conditions (i), (ii), and (iii) can be satisfied by including bispinor fields in a tetrad formulation of the Kaluza-Klein model, as well as in an equivalent teleparallel model. This demonstrates an unexpected feature of Dirac's bispinor equation, since conditions (i), (ii), (iii) imply a special relation among the terms in the Kaluza-Klein or teleparallel Lagrangian that would not be satisfied in general.

Frank Reifler; Randall Morris

2007-06-12T23:59:59.000Z

23

Free planar actions of the Klein bottle group Frederic Le Roux  

E-Print Network (OSTI)

Free planar actions of the Klein bottle group Fr´ed´eric Le Roux January 16, 2011 Abstract We describe the structure of the free actions of the fundamental group of the Klein bottle torsion free groups that cannot act freely on the plane. We also find some properties which

Paris-Sud XI, Université de

24

A Kaluza-Klein description of geometric phases in graphene  

Science Conference Proceedings (OSTI)

In this paper, we use the Kaluza-Klein approach to describe topological defects in a graphene layer. Using this approach, we propose a geometric model allowing us to discuss the quantum flux in K-spin subspace. Within this model, the graphene layer with a topological defect is described using a four-dimensional metric, where the deformation produced by the topological defect is introduced via the three-dimensional part of a metric tensor, while an Abelian gauge field is introduced via an extra dimension. We use this new geometric model to discuss the arising of topological quantum phases in a graphene layer with a topological defect. - Highlights: Black-Right-Pointing-Pointer Application of the Kaluza-Klein theory for graphene. Black-Right-Pointing-Pointer A geometrical model describing the Fermi points in a graphene layer. Black-Right-Pointing-Pointer A geometric description of the quantum phases of the K-spin subspace in the presence of a disclination.

Bakke, K., E-mail: kbakke@fisica.ufpb.br; Petrov, A. Yu., E-mail: petrov@fisica.ufpb.br; Furtado, C., E-mail: furtado@fisica.ufpb.br

2012-12-15T23:59:59.000Z

25

Conditions for exact equivalence of Kaluza-Klein and Yang-Mills theories  

E-Print Network (OSTI)

Although it is well known that Kaluza-Klein and Yang-Mills theories define equivalent structures on principal bundles, the general conditions for equivalence of their Lagrangians have not been explicitly stated. In this paper we address the conditions for equivalence. The formulation of these conditions is based on previous work in which the Dirac and Einstein equations were unified in a tetrad formulation of the Kaluza-Klein model. This Kaluza-Klein model is derived from mapping a bispinor field to a set of SL(2,R) x U(1) gauge potentials and a complex scalar field. (A straightforward derivation of this map using Hestenes' tetrad for the spin connection in a Riemannian space-time is included in this paper.) Investigation of this Kaluza-Klein model reveals two general conditions for establishing an exact equivalence between Kaluza-Klein and Yang-Mills theories. The first condition is that only horizontal vector fields occur in the Kaluza-Klein Lagrangian. The second is that the scalar curvature be restricted to a sum over horizontal sectional curvatures. We conclude that all known fields (including fermion fields) can then be represented as components of a Kaluza-Klein metric together with scalar fields.

Frank Reifler; Randall Morris

2007-07-25T23:59:59.000Z

26

Supersymmetric dyonic black holes in Kaluza-Klein theory  

E-Print Network (OSTI)

We study supersymmetric, four-dimensional (4-d), Abelian charged black holes (BH's) arising in (4+n)-d (1 \\le n \\le 7) Kaluza-Klein (KK) theories. Such solutions, which satisfy supersymmetric Killing spinor equations (formally satisfied for any n) and saturate the corresponding Bogomol'nyi bounds, can be obtained if and only if the isometry group of the internal space is broken down to the U(1)_E \\times U(1)_M gauge group; they correspond to dyonic BH's with electric Q and magnetic P charges associated with {\\it different} U(1) factors. The internal metric of such configurations is diagonal with (n-2) internal radii constant, while the remaining two radii (associated with the respective electric and magnetic U(1) gauge fields) and the 4-d part of the metric turn out to be independent of n, i.e., solutions are effectively those of supersymmetric 4-d BH's of 6-d KK theory. For Q \

Cvetic, M; Cveti, Mirjam; Youm, Donam

1994-01-01T23:59:59.000Z

27

Hawking Radiation from Squashed Kaluza-Klein Black Holes -- A Window to Extra Dimensions --  

E-Print Network (OSTI)

We explore the obsevability of extra dimensions through 5-dimensional squashed Kaluza-Klein black holes residing in the Kaluza-Klein spacetime. With the expectation that the Hawking radiation reflects the 5-dimensional nature of the squashed horizon, we study the Hawking radiation of a scalar field in the squashed black hole background. As a result, we show that the luminosity of Hawking radiation tells us the size of the extra dimension, namely, the squashed Kaluza-Klein black holes open a window to extra dimensions.

Hideki Ishihara; Jiro Soda

2007-02-22T23:59:59.000Z

28

Communication efficacy of South African arts festivals : the case of Klein Karoo National Arts Festival / J.A. Kriel.  

E-Print Network (OSTI)

??The primary objective of this study was to determine the communication efficacy at arts festivals with specific reference to the Klein Karoo Nasionale Kunstefees (KKNK). (more)

Kriel, Jaun Antonie

2010-01-01T23:59:59.000Z

29

Key success factors in managing the visitors' experience at the Klein Karoo National Arts Festival / Erasmus L.J.J.  

E-Print Network (OSTI)

??The ABSA Klein Karoo National Arts Festival (KKNK) is one of the biggest and most popular Afrikaans arts festivals in South Africa, and since its (more)

Erasmus, Lourens Johannes Jacobus

2011-01-01T23:59:59.000Z

30

Measuring a Kaluza-Klein radius smaller than the Planck length  

E-Print Network (OSTI)

Hestenes has shown that a bispinor field on a Minkowski space-time is equivalent to an orthonormal tetrad of one-forms together with a complex scalar field. More recently, the Dirac and Einstein equations were unified in a tetrad formulation of a Kaluza-Klein model which gives precisely the usual Dirac-Einstein Lagrangian. In this model, Dirac's bispinor equation is obtained in the limit for which the radius of higher compact dimensions of the Kaluza-Klein manifold becomes vanishingly small compared with the Planck length. For a small but finite radius, the Kaluza-Klein model predicts velocity splitting of single fermion wave packets. That is, the model predicts a single fermion wave packet will split into two wave packets with slightly different group velocities. Observation of such wave packet splits would determine the size of the Kaluza-Klein radius. If wave packet splits were not observed in experiments with currently achievable accuracies, the Kaluza-Klein radius would be at least twenty five orders of magnitude smaller than the Planck length.

Frank Reifler; Randall Morris

2007-08-03T23:59:59.000Z

31

Z boson decay to photon plus Kaluza-Klein graviton: large extra dimensional bounds  

E-Print Network (OSTI)

We consider the phenomenology of the decay of a Z boson into a photon and a Kaluza-Klein excitation of the graviton in the ADD model. Using LEP data, we obtain an upper bound on the branching ratio corresponding to this process of ~10^-11. We also investigate energy profiles of the process.

Ben C. Allanach; Jordan P. Skittrall

2007-09-18T23:59:59.000Z

32

Maureen B. Higgins Assistant Director, Agency Support & ...  

Science Conference Proceedings (OSTI)

... Network Operations and Defense ?Law Enforcement and Counterintelligence ?Specialized Computer Network Operations ...

2011-03-10T23:59:59.000Z

33

Non Archimedean Pseudodifferential Equations of Klein-Gordon Type and Quantum Scalar Fields  

E-Print Network (OSTI)

In this article we introduce a new class of non Archimedean pseudodifferential equations of Klein-Gordon type whose solutions can be easily quantized using the machinery of the second quantization. We study the Cauchy problem for these equations. We present a `semi-formal' constructruction, on the p-adic Minkowski space, of the neutral and charged quantum scalar fields having a nonzero p-adic number as mass parameter.

W. A. Zuniga-Galindo

2013-02-14T23:59:59.000Z

34

Klein-NERAC NE education taskforce report 5-18-04  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Department of Department of Nuclear Engineering & Radiation Health Physics Report of the Nuclear Energy Research Advisory Committee Nuclear Power Engineering Curriculum Task Force April 7, 2004 Department of Nuclear Engineering & Radiation Health Physics Task Force Members * Andrew C. Klein, Chair, Oregon State University * James F. Stubbins, University of Illinois, Champaign-Urbana * Gilbert Brown, University of Massachusetts, Lowell * Harold Ray, Southern California Edison * Eugene S. Grecheck, Dominion Energy Department of Nuclear Engineering & Radiation Health Physics Primary Concern Expressed * Nuclear engineering curricula had changed over recent times * No longer producing engineers with training optimal to the needs of the power industry Department of Nuclear Engineering

35

Existence and multiplicity of stable bound states for the nonlinear Klein-Gordon equation  

E-Print Network (OSTI)

We are interested in the problem of existence of soliton-like solutions for the nonlinear Klein-Gordon equation. In particular we study some necessary and sufficient conditions on the nonlinear term to obtain solitons of a given charge. We remark that the conditions we consider can be easily verified. Moreover we show that multiplicity of solitons of the same charge is guaranteed by the "shape" of the nonlinear term for equations on $\\R^{N}$, hence without appealing to topological or geometrical properties of the domain.

Bonanno, Claudio

2009-01-01T23:59:59.000Z

36

Modified Holographic Dark Energy in Non-flat Kaluza-Klein Universe with Varying G  

E-Print Network (OSTI)

The purpose of this paper is to discuss the evolution of modified holographic dark energy with variable $G$ in non-flat Kaluza$-$Klein universe. We consider the non-interacting and interacting scenarios of the modified holographic dark energy with dark matter and obtain the equation of state parameter through logarithmic approach. It turns out that the universe remains in different dark energy eras for both cases. Further, we study the validity of the generalized second law of thermodynamics in this scenario. We also justify that the statefinder parameters satisfy the limit of $\\Lambda$CDM model.

M. Sharif; A. Jawad

2012-04-30T23:59:59.000Z

37

Klein's Paradox  

E-Print Network (OSTI)

We solve the one dimensional Feshbach-Villars equation for spin-1/2 particle subjected to a scalar smooth potential. The eight component wave function is given in terms of the hypergeometric functions and via a limiting procedure, the wave functions of the step potential are deduced. These wave functions are used to test the validity of the boundary conditions deduced from the Feshbach-Villars transformation. The creation of pairs is predicted from the boundary condition of the charge density.

A. Bounames; L. Chetouani

2007-12-02T23:59:59.000Z

38

Kate Klein  

Science Conference Proceedings (OSTI)

... Her dissertation work, conducted mainly at the Center for Nanophase Materials Sciences (CNMS) at Oak Ridge National Laboratory, focused on ...

2012-10-01T23:59:59.000Z

39

Naam: dhr. prof. dr. R.J.M. Klein Gebbink Leeropdracht Synthetische en biologische chemie van overgangsmetaalcomplexen  

E-Print Network (OSTI)

Naam: dhr. prof. dr. R.J.M. Klein Gebbink Profiel Leeropdracht Synthetische en biologische chemie & Organische Chemie Contactgegevens Telefoon (+31) 30 253 1889 / (+31) 30 253 3120 E-mail r.j.m.kleingebbink@uu.nl Onderzoek Expertises: organische chemie, organometaalchemie, coördinatiechemie, homogene katalyse

Utrecht, Universiteit

40

Cauchy-characteristic Evolution of Einstein-Klein-Gordon Systems The Black Hole Regime  

E-Print Network (OSTI)

The Cauchy+characteristic matching (CCM) problem for the scalar wave equation is investigated in the background geometry of a Schwarzschild black hole. Previously reported work developed the CCM framework for the coupled Einstein-Klein-Gordon system of equations, assuming a regular center of symmetry. Here, the time evolution after the formation of a black hole is pursued, using a CCM formulation of the governing equations perturbed around the Schwarzschild background. An extension of the matching scheme allows for arbitrary matching boundary motion across the coordinate grid. As a proof of concept, the late time behavior of the dynamics of the scalar field is explored. The power-law tails in both the time-like and null infinity limits are verified.

Papadopoulos, P P; Papadopoulos, Philippos; Laguna, Pablo

1997-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "maureen klein 202-586-8013" 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

Cauchy-characteristic Evolution of Einstein-Klein-Gordon Systems: The Black Hole Regime  

E-Print Network (OSTI)

The Cauchy+characteristic matching (CCM) problem for the scalar wave equation is investigated in the background geometry of a Schwarzschild black hole. Previously reported work developed the CCM framework for the coupled Einstein-Klein-Gordon system of equations, assuming a regular center of symmetry. Here, the time evolution after the formation of a black hole is pursued, using a CCM formulation of the governing equations perturbed around the Schwarzschild background. An extension of the matching scheme allows for arbitrary matching boundary motion across the coordinate grid. As a proof of concept, the late time behavior of the dynamics of the scalar field is explored. The power-law tails in both the time-like and null infinity limits are verified.

Philippos Papadopoulos; Pablo Laguna

1996-10-31T23:59:59.000Z

42

The Euclidean Scalar Green Function in the Five-Dimensional Kaluza-Klein Magnetic Monopole Spacetime  

E-Print Network (OSTI)

In this paper we present, in a integral form, the Euclidean Green function associated with a massless scalar field in the five-dimensional Kaluza-Klein magnetic monopole superposed to a global monopole, admitting a non-trivial coupling between the field with the geometry. This Green function is expressed as the sum of two contributions: the first one related with uncharged component of the field, is similar to the Green function associated with a scalar field in a four dimensional global monopole spacetime. The second contains the information of all the other components. Using this Green function it is possible to study the vacuum polarization effects on this spacetime. Explicitly we calculate the renormalized vacuum expectation value $Phi^*(x)\\Phi(x)>_{Ren}$, which by its turn is also expressed as the sum of two contributions.

E. R. Bezerra de Mello

2005-11-16T23:59:59.000Z

43

All the four dimensional static, spherically symmetric solutions of abelian Kaluza-Klein theory  

E-Print Network (OSTI)

The explicit form for all the four dimensional, static, spherically symmetric solutions in (4+n)-d Abelian Kaluza-Klein (KK) theory is presented by performing two SO(1,1) boosts on the non-extreme U(1)_M \\times U(1)_E KK black hole (BH) and supplementing it by SO(n)/SO(n-2) transformations. The solutions are parameterized by the mass M, Taub-Nut charge a, n electric \\vec{\\cal Q} and n magnetic \\vec{\\cal P} charges. Non-extreme BH's (with zero Taub-NUT charge) have either the Reissner-Nordstr\\" om or Schwarzschild global space-time, nonzero entropy and temperature. Extreme (supersymmetric) BH's satisfy \\vec{\\cal P} \\cdot \\vec{\\cal Q} = 0 and have a null or naked singularity, with S [T_H] reaching the zero lower [finite or infinite upper] bound.

Cvetic, M; Cveti, Mirjam; Youm, Donam

1995-01-01T23:59:59.000Z

44

Addendum to "Supersymmetric dyonic black holes in Kaluza-Klein theory"  

E-Print Network (OSTI)

We complete the study of 4-dimensional (4-d), static, spherically symmetric, supersymmetric black holes (BH's) in Abelian (4+n)-d Kaluza-Klein theory, by showing that for such solutions n electric charges \\vec{\\cal Q} \\equiv (Q_1,...,Q_n) and n magnetic charges \\vec{\\cal P} \\equiv (P_1,...,P_n) are subject to the constraint \\vec{\\cal P}\\cdot \\vec{\\cal Q}=0. All such solutions can be obtained by performing the SO(n) rotations, which do not affect the 4-d space-time metric and the volume of the internal space, on the supersymmetric U(1)_M\\times U(1)_E BH's, {\\it i.e.}, supersymmetric BH's with a diagonal internal metric.

Cvetic, M; Cveti, Mirjam; Youm, Donam

1995-01-01T23:59:59.000Z

45

Kaluza-Klein two-brane-worlds cosmology at low energy  

E-Print Network (OSTI)

We study two $(4+n)$-dimensional branes embedded in $(5+n)$-dimensional spacetime. Using the gradient expansion approximation, we find that the effective theory is described by $(4+n)$-dimensional scalar-tensor gravity with a specific coupling function. Based on this theory we investigate the Kaluza-Klein two-brane-worlds cosmology at low energy, in both the static and the nonstatic internal dimensions. In the case of the static internal dimensions, the effective gravitational constant in the induced Friedmann equation depends on the equations of state of the brane matter, and the dark radiation term naturally appears. In the nonstatic case we take a relation between the external and internal scale factors of the form $b(t)=a^\\gamma(t)$ in which the brane world evolves with two scale factors. In this case, the induced Friedmann equation on the brane is modified in the effective gravitational constant and the term proportional to $a^{-4\\beta}$. For dark radiation, we find $\\gamma=-2/(1+n)$. Finally, we discuss the issue of conformal frames which naturally arises with scalar-tensor theories. We find that the static internal dimensions in the Jordan frame may become nonstatic in the Einstein frame.

S. Feranie; Arianto; Freddy P. Zen

2010-03-29T23:59:59.000Z

46

Klein-Gordon equations for energy-momentum of relativistic particle in rapidity space  

E-Print Network (OSTI)

Two alternative ways of description an evolution constrained by mass-shell equation are given by the hyperbolic and the periodic angles. In the both cases the angles are proportional to the mass. The differential operators with respect to these coordinates are not commute, the commutation relations coincide with commutation relations of the fermi-like oscillator. The derivative of the periodic angle with respect to the hyperbolic angle is equal to the velocity. This relationship prompts us to conclude that the hyperbolic angle $\\phi$ is the time-like parameter, whereas the periodic angle $\\theta$ is the space-like parameter. The evolution equations admit an extension to the case of three (or more) dimensions. It is proved, the energy and momentum defined in the space of four-rapidity obey Klein-Gordon equations constrained by the classical trajectory of a relativistic particle. It is conjectured, for small values of a proper mass influence of the constraint is weakened and the classical motion gains features of a wave motion.

Robert M. Yamaleev

2012-10-21T23:59:59.000Z

47

Static four-dimensional abelian black holes in Kaluza-Klein theory  

E-Print Network (OSTI)

Static, four-dimensional (4-d) black holes (BH's) in (4+n)-d Kaluza-Klein (KK) theory with Abelian isometry and diagonal internal metric have at most one electric (Q) and one magnetic (P) charges, which can either come from the same U(1)-gauge field (corresponding to BH's in effective 5-d KK theory) or from different ones (corresponding to BH's with U(1)_M\\times U(1)_E isometry of an effective 6-d KK theory). In the latter case, explicit non-extreme solutions have the global space-time of Schwarzschild BH's, finite temperature, and non-zero entropy. In the extreme (supersymmetric) limit the singularity becomes null, the temperature saturates the upper bound T_H=1/4\\pi\\sqrt{|QP|}, and entropy is zero. A class of KK BH's with constrained charge configurations, exhibiting a continuous electric-magnetic duality, are generated by global SO(n) transformations on the above classes of the solutions.

Cvetic, M; Cvetic, Mirjam; Youm, Donam

1995-01-01T23:59:59.000Z

48

Kaluza-Klein two-brane-worlds cosmology at low energy  

SciTech Connect

We study two (4+n)-dimensional branes embedded in (5+n)-dimensional spacetime. Using the gradient expansion approximation, we find that the effective theory is described by (4+n)-dimensional scalar-tensor gravity with a specific coupling function. Based on this theory we investigate the Kaluza-Klein two-brane-worlds cosmology at low energy, in both the static and the nonstatic internal dimensions. In the case of the static internal dimensions, the effective gravitational constant in the induced Friedmann equation depends on the equations of state of the brane matter, and the dark radiation term naturally appears. In the nonstatic case we take a relation between the external and internal scale factors of the form b(t)=a{sup {gamma}(t)} in which the brane world evolves with two scale factors. In this case, the induced Friedmann equation on the brane is modified in the effective gravitational constant and the term proportional to a{sup -4{beta}.} For dark radiation, we find {gamma}=-2/(1+n). Finally, we discuss the issue of conformal frames which naturally arises with scalar-tensor theories. We find that the static internal dimensions in the Jordan frame may become nonstatic in the Einstein frame.

Feranie, S. [Jurusan Pendidikan Fisika, FPMIPA, Universitas Pendidikan Indonesia, Jalan Dr. Setiabudi 229, Bandung 40154 (Indonesia); Arianto [Department of Physics, Faculty of Mathematics and Natural Sciences, Udayana University, Jalan Kampus Bukit Jimbaran Kuta-Bali 80361 (Indonesia) and Indonesia Center for Theoretical and Mathematical Physics (ICTMP), Faculty of Mathematics and Natural Sciences, Institut Teknologi Bandung, Jalan Ganesha 10 Bandung 40132 (Indonesia); Zen, Freddy P. [Theoretical Physics Laboratory, THEPI Division, Indonesia Center for Theoretical and Mathematical Physics (ICTMP), Faculty of Mathematics and Natural Sciences, Institut Teknologi Bandung, Jalan Ganesha 10 Bandung 40132 (Indonesia)

2010-04-15T23:59:59.000Z

49

TO: Members of the Graduate Council FROM: Maureen Grasso, Dean  

E-Print Network (OSTI)

Production of phenols and biofuels by catalytic microwave pyrolysis of lignocellulosic biomass Quan: Biomass Activated carbon Microwave pyrolysis Catalyst Phenol a b s t r a c t Catalytic microwave pyrolysis. ? 2011 Elsevier Ltd. All rights reserved. 1. Introduction Pyrolysis of biomass is a thermal

Leucker, Martin

50

TO: Members of the Graduate Council FROM: Maureen Grasso, Dean  

E-Print Network (OSTI)

. Depleted Uranium. Univ. Damascus/SYR (2001) I. BLOCH Systemtest des ZEUS Mikro-Vertex-Detectors. 33

Scott, Robert A.

51

TO: Members of the Graduate Council FROM: Maureen Grasso, Dean  

E-Print Network (OSTI)

officials for intelligence, counterintelligence, and other national security activities authorized by law harm to you. The Plans have implemented policies and pro- cedures to comply with the breach or that your employer has violated the policies adopted by the Plan Sponsor for protecting your rights, you may

Scott, Robert A.

52

Kaluza-Klein gluon searches using the three-b-jet decay channel at the Large Hadron Collider  

E-Print Network (OSTI)

We study observability of a Kaluza-Klein (KK) excitation of a gluon in a five-dimensional model with a warped geometry at the Large Hadron Collider. In this model, the Standard Model fields reside in the bulk and the third generation quarks couple to the KK gluon strongly. We focus on the processes including three b-quarks as a final state where the first KK gluon propagates as an intermediate state. We evaluate a significance of those processes by taking account of kinematical cuts and a detector efficiency at the Large Hadron Collider and find that the significance is lager than 5-sigma with the integrated luminosity of 10 (100) fb^{-1} for a certain range of parameters of the model.

Masato Arai; Gi-Chol Cho; Karel Smolek

2013-07-24T23:59:59.000Z

53

Renormalized waves and thermalization of the Klein-Gordon equation: What sound does a nonlinear string make?  

E-Print Network (OSTI)

We study the thermalization of the classical Klein-Gordon equation under a u^4 interaction. We numerically show that even in the presence of strong nonlinearities, the local thermodynamic equilibrium state exhibits a weakly nonlinear behavior in a renormalized wave basis. The renormalized basis is defined locally in time by a linear transformation and the requirement of vanishing wave-wave correlations. We show that the renormalized waves oscillate around one frequency, and that the frequency dispersion relation undergoes a nonlinear shift proportional to the mean square field. In addition, the renormalized waves exhibit a Planck like spectrum. Namely, there is equipartition of energy in the low frequency modes described by a Boltzmann distribution, followed by a linear exponential decay in the high frequency modes.

David Shirokoff

2010-11-04T23:59:59.000Z

54

Relativistic Winds from Compact Gamma-ray Sources: I. Radiative Acceleration in the Klein-Nishina Regime  

E-Print Network (OSTI)

We consider the radiative acceleration to relativistic bulk velocities of a cold, optically thin plasma which is exposed to an external source of gamma-rays. The flow is driven by radiative momentum input to the gas, the accelerating force being due to Compton scattering in the relativistic Klein-Nishina limit. The bulk Lorentz factor of the plasma, Gamma, derived as a function of distance from the radiating source, is compared with the corresponding result in the Thomson limit. Depending on the geometry and spectrum of the radiation field, we find that particles are accelerated to the asymptotic Lorentz factor at infinity much more rapidly in the relativistic regime; and the radiation drag is reduced as blueshifted, aberrated photons experience a decreased relativistic cross section and scatter preferentially in the forward direction. The random energy imparted to the plasma by gamma-rays can be converted into bulk motion if the hot particles execute many Larmor orbits before cooling. This `Compton afterburn' may be a supplementary source of momentum if energetic leptons are injected by pair creation, but can be neglected in the case of pure Klein-Nishina scattering. Compton drag by side-scattered radiation is shown to be more important in limiting the bulk Lorentz factor than the finite inertia of the accelerating medium. The processes discussed here may be relevant to a variety of astrophysical situations where luminous compact sources of hard X- and gamma-ray photons are observed, including active galactic nuclei, galactic black hole candidates, and gamma-ray bursts.

Piero Madau; Christopher Thompson

1999-09-03T23:59:59.000Z

55

Stephen A. Klein  

NLE Websites -- All DOE Office Websites (Extended Search)

unless specifically identified as a Berkeley Lab staff member. This Speaker's Seminars How can Weather-Forecasting Facilitate the Improvement of Moist Processes in Climate Models?...

56

Computational ontologies of parthood, componenthood, and containment Thomas Bittner and Maureen Donnelly  

E-Print Network (OSTI)

of the first order theory. 1 Introduction My car has components, for example, its engine, its oil pump, its Engine Drivetrain ... Engine Heater Valves Oil pump ... Transmission Axle ... Figure 1: Car components 2

Bittner, Thomas

57

Application for Presidential Permit OE Docket No. PP-371 Northern Pass: Comments from Maureen Quinn  

Energy.gov (U.S. Department of Energy (DOE))

Application from Northern Pass to construct, operate and maintain electric transmission facilities at the U.S. - Canada Border.

58

The recovery of ant communities in regenerating temperate conifer forests Jennifer D. Palladini a,*, Maureen G. Jones b  

E-Print Network (OSTI)

-cutting ant, Atta colombica JEROME J. HOWARD*, M. LAWRENCE HENNEMAN, GREG CRONIN, JENNIFER A. FOX§ & GUSTAVO in Formica oreas. Insectes soc. 30, 177­183. de Boer, G. & Hanson, F. E. 1984. Foodplant selection. A. 1994. Food searching behaviour in the ant Formica schaufussi (Hymenoptera, Formicidae): response

Sanders, Nathan J.

59

Nuclear Energy Research Advisory Committee Meeting  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

30-May 1, 2001, Crystal City Marriott, Arlington, Virginia 30-May 1, 2001, Crystal City Marriott, Arlington, Virginia NERAC members present: John Ahearne Benjamin F. Montoya Joseph Comfort Sekazi Mtingwa Michael L. Corradini Lura Powell Jose Luis Cortez Richard Reba Maureen S. Crandall Joy Rempe James Duderstadt (Chair) Allen Sessoms (Monday only) Marvin Fertel Daniel C. Sullivan (Monday only) Steve Fetter John Taylor Beverly Hartline Ashok Thadani (ad hoc) Leslie Hartz Charles E. Till Andrew Klein Neil Todreas Dale Klein Joan Woodard Robert Long NERAC members absent: Thomas Cochran Linda C. Knight Allen Croff Warren F. Miller, Jr. J. Bennett Johnston C. Bruce Tarter Also present: Ralph Bennet, Director, Advanced Nuclear Energy, Idaho National Engineering and Environmental Laboratory Nancy Carder, NERAC Staff Yoon I. Chang, Associate Laboratory Director, Argonne National Laboratory

60

C:\TEMP\Jan2001Minutes.PDF  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

DRAFT DRAFT Minutes for the Nuclear Energy Research Advisory Committee Meeting January 10-11, 2001, Crystal City Marriott, Arlington, Virginia NERAC members present: John Ahearne Robert Long Thomas Cochran Sekazi Mtingwa Joseph Comfort Lura Powell Jose Luis Cortez Richard Reba Maureen S. Crandall Joy Rempe Allen Croff Allen Sessoms James Duderstadt (Chair) John Taylor Marvin Fertel Ashok Thadani (ad hoc) Steve Fetter Charles E. Till Beverly Hartline Neil Todreas Andrew Klein Joan Woodard Dale Klein NERAC members absent: Michael L. Corradini Warren F. Miller, Jr. Leslie Hartz Benjamin F. Montoya J. Bennett Johnston Daniel C. Sullivan Linda C. Knight C. Bruce Tarter Also present: Thomas Blejwas, Director, Nuclear and Risk Technologies Center, Sandia National Laboratories Nancy Carder, NERAC Staff

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61

Nuclear Energy Research Advisory Committee Meeting April 15-16, 2002, Marriott Crystal City Hotel, Arlington, Virginia  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

15-16, 2002, Marriott Crystal City Hotel, Arlington, Virginia 15-16, 2002, Marriott Crystal City Hotel, Arlington, Virginia NERAC members present: John Ahearne (Monday only) Robert Long Thomas Cochran Warren F. Miller, Jr. Joseph Comfort Benjamin F. Montoya Michael L. Corradini Sekazi Mtingwa Jose Luis Cortez Lura Powell Maureen S. Crandall Richard Reba (Tuesday only) Allen Croff Joy Rempe James Duderstadt (Chair) Daniel C. Sullivan (Monday morning only) Steve Fetter John Taylor Beverly Hartline Ashok Thadani (ad hoc; Monday only) Leslie Hartz Charles E. Till Andrew Klein Neil Todreas (Tuesday only) Dale Klein (Monday only) NERAC members absent: Marvin Fertel Allen Sessoms J. Bennett Johnston C. Bruce Tarter Linda C. Knight Joan Woodard Also present: Ralph Bennett, Director for Advanced Nuclear Energy, Idaho National Engineering and

62

D:\NE WEB Sites\NE\nerac\nov2001minutes.wpd  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

November 5-6, 2001, DoubleTree Hotel, Arlington, Virginia November 5-6, 2001, DoubleTree Hotel, Arlington, Virginia NERAC members present: John Ahearne Robert Long Joseph Comfort Warren F. Miller, Jr. Michael L. Corradini Benjamin F. Montoya Jose Luis Cortez Sekazi Mtingwa Allen Croff Lura Powell James Duderstadt (Chair) Richard Reba Marvin Fertel Joy Rempe Beverly Hartline John Taylor Andrew Klein Charles E. Till Dale Klein (Monday only) Neil Todreas NERAC members absent: Thomas Cochran Allen Sessoms Maureen S. Crandall Daniel C. Sullivan Steve Fetter C. Bruce Tarter Leslie Hartz Ashok Thadani (ad hoc) J. Bennett Johnston Joan Woodard Linda C. Knight Also present: Robert Card, Under Secretary, USDOE Nancy Carder, NERAC Staff Charles Forsberg, Researcher, Oak Ridge National Laboratory Norton Haberman, Senior Technical Advisor, NE, USDOE

63

Chris Klein Chris Klein is CEO of Fortune Brands Home and Security  

E-Print Network (OSTI)

merger with JP Morgan Chase. He also spent eight years at the consulting firm McKinsey & Company, where, distribution, and merger integration issues. Prior to McKinsey, he spent his early career in commercial banking

Anstreicher, Kurt M.

64

Directory of Federal Government Certification Programs  

Science Conference Proceedings (OSTI)

Page 1. NBS Special Publication 739 Directory of Federal Government Certification Programs Maureen Breitenberg, Editor ...

2011-07-29T23:59:59.000Z

65

Nuclear Energy Research Advisory Committee Meeting November 17-18, 1998, Hyatt Regency Crystal City, Arlington, Virginia  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

1- 1- Minutes for the Nuclear Energy Research Advisory Committee Meeting November 17-18, 1998, Hyatt Regency Crystal City, Arlington, Virginia NERAC members present: John Ahearne (Tuesday only) Linda Knight Thomas Boulette Thomas Cochran Robert Long Joseph Comfort Warren Miller Jose Luis Cortez Sekazi Mtingwa Maureen S. Crandall (Tuesday only) Richard Reba Allen Croff Joy Rempe James Duderstadt (Chair) Robert Socolow (Tuesday only) Marvin Fertel Daniel C. Sullivan Beverly Hartline Bruce Tarter (Tuesday only) William Kastenberg Charles E. Till Dale Klein Neil Todreas NERAC members absent: J. Bennett Johnston Glenn Seaborg C. Paul Robinson Allen Sessoms Miguel Rios John Taylor Also present: Norton Haberman, Senior Technical Advisor, Office of Nuclear Energy, Science, and Technology, NE, DOE

66

Nuclear Energy Research Advisory Committee Meeting March 30-31, 1999, Marriott Crystal City, Arlington, Virginia  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

March 30-31, 1999, Marriott Crystal City, Arlington, Virginia March 30-31, 1999, Marriott Crystal City, Arlington, Virginia NERAC members present: John Ahearne Robert Long Thomas Boulette Sekazi Mtingwa Thomas Cochran Richard Reba Joseph Comfort Joy Rempe Jose Luis Cortez Miguel Rios Maureen S. Crandall C. Paul Robinson (Tuesday only) Allen Croff Allen Sessoms (Wednesday only) James Duderstadt (Chair) Daniel C. Sullivan Marvin Fertel (Wednesday only) John Taylor Dale Klein Charles E. Till Linda Knight Neil Todreas NERAC members absent: Beverly Hartline Warren Miller J. Bennett Johnston Robert Socolow William Kastenberg Bruce Tarter Also present: Norton Haberman, Senior Technical Advisor, Office of Nuclear Energy, Science, and Technology (NE), DOE John Herczeg, Lead Nuclear Engineer, Office of Technology, DOE William Magwood, Director, Office of Nuclear Energy, Science, and Technology (NE), DOE

67

D:\TEMP\~ME0000F.PDF  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Minutes for the Minutes for the Nuclear Energy Research Advisory Committee Meeting July 29-30, 1999, Embassy Suites Hotel, Arlington, Virginia NERAC members present: John Ahearne Warren Miller Thomas Cochran (Friday only) Sekazi Mtingwa Joseph Comfort Richard Reba Jose Luis Cortez Joy Rempe Maureen S. Crandall Miguel Rios (Friday only) Allen Croff Allen Sessoms James Duderstadt (Chair) Robert Socolow Marvin Fertel Daniel C. Sullivan Dale Klein Ashok Thadoni (Ad hoc) Linda Knight Charles E. Till Robert Long Neil Todreas NERAC members absent: Thomas Boulette C. Paul Robinson Beverly Hartline John Taylor J. Bennett Johnston Bruce Tarter William Kastenberg Also present: Kiyoto Aizawa, Executive Director, Japan Nuclear Cycle Development Institute, Naka-Gun, Ibaraki, Japan Nancy Carder, NERAC Staff

68

J. Hardy, Jr., J. J. Volpe, D. Klein  

Science Conference Proceedings (OSTI)

Technical Paper / Measurement and Analysis of Parameters in Tight 232Th-235U and 232Th-233U Lattices Moderated with Heavy Water

Parameter measurements and calculations in two D2O-moderated thorium-uranium critical assemblies are described in detail. The first; designated ETA-I; contained 6.7 wt% 235UO2-ThO2 fuel rods 0.66 cm in diameter; clad in aluminum. The second assembly; ETA-II; contained 3.0 wt% 233UO2-ThO2 fuel rods 1.09 cm in diameter; clad in Zircaloy-2. A relatively hard spectrum was obtained in both lattices. Because leakage was small and the central flux spectra were closely asymptotic; these assemblies provided a cleanly analyzable test of important reaction cross sections. Parameters measured in ETA-I were 232Th fission/235U fission (?02); 232Th capture/235U fission (CR*); and epithermal/thermal-neutron ratios for 235U fission (?25) and 232Th capture (p02). Corresponding measurements with 233U were made in ETA-II; ?02 was measured directly in fuel and ThO2 pellets by observing specific fission product gamma rays with a high resolution Ge(Li) detector. With this system; 232Th capture gamma-ray activity was also measured directly in a fuel pellet. The epithermal/thermal-neutron ratios were measured by the thermal-neutron subtraction technique relative to 164Dy; and CR* was measured relative to its thermal-neutron value in a very soft spectrum. A three-dimensional adjoint Monte Carlo program was used to calculate foil flux perturbations and cadmium cutoff energies. Supplemental fast/epithermal-neutron spectrum comparisons were made between the ETA assemblies and the 4/1 TRX critical assembly by means of the following activation detectors: 197Au(n,?); 55Mn(n,?); 235U(n,f); 238U(n,f); 27Al(n,?); and 96Zr(n; ?). The lattices were analyzed explicitly with a full energy range Monte Carlo program having a detailed cross-section description. ENDF/B Version 2 and light-water breeder reactor (LWBR) cross-section sets were used. On the whole; agreement with experiment was very good.

69

Felix-Klein-Kolloquium Heinrich-Heine-Universitt Dsseldorf  

E-Print Network (OSTI)

. Einstieg: Bahnhofsvorplatz, Bstg. 7 Ausstieg: Endstation Uni-Ost/Botanischer Garten Fahrtzeit: ca. 19

70

Kaluza-Klein and Gauss-Bonnet cosmic strings  

E-Print Network (OSTI)

We make a systematic investigation of stationary cylindrically symmetric solutions to the five-dimensional Einstein and Einstein-Gauss-Bonnet equations. Apart from the five-dimensional neutral cosmic string metric, we find two new exact solutions which qualify as cosmic strings, one corresponding to an electrically charged cosmic string, the other to an extended superconducting cosmic string surrounding a charged core. In both cases, test particles are deflected away from the singular line source. We extend both kinds of solutions to exact multi-cosmic string solutions.

Mustapha Azreg-Ainou; Grard Clment

1996-03-29T23:59:59.000Z

71

The Melvin P. Klein Scientific Development Award | Stanford Synchrotro...  

NLE Websites -- All DOE Office Websites (Extended Search)

Scientific Development Award honors a pioneer at the forefront of accomplishments in NMR, EPR, and x-ray absorption spectroscopy who was dedicated to the pursuit of the...

72

DOI: 10.1126/science.1143609 , 245 (2007);318Science  

E-Print Network (OSTI)

spring. In Izmir, they connected with former Hazel D. Cole Fellow Dr. Maureen Jackson who discussed her

Chanfreau, Guillaume

73

Buildings Technology Research and Development ...  

Science Conference Proceedings (OSTI)

... Conger was joined by Dr. Barbara J. Sotirin (USACE), Maureen Sullivan, Director Environmental Management, Lt Colonel Barton Barnhart, and the ...

2010-04-05T23:59:59.000Z

74

Conference on Standards Needs for Service Life Prediction of ...  

Science Conference Proceedings (OSTI)

... Term Thermal Aging (LTTA): Tool Development - Tom ... & Application to Outdoor Weathering Yili Hong ... 45 Failure Analysis Tools - Maureen Reitman ...

2012-10-16T23:59:59.000Z

75

Materials for Nuclear Power: Digital Resource Center ... - TMS  

Science Conference Proceedings (OSTI)

Materials for Nuclear Power, 0, 2175, Maureen Byko, 3/15/2009 8:21 PM ... A comprehensive introductory educational site about all forms of nuclear power, 0...

76

First TMS MGI Fellow Selected for White House Placement  

Science Conference Proceedings (OSTI)

09/25 - First TMS MGI Fellow Selected for White House Placement. Maureen Byko The Minerals, Metals & Materials Society Telephone: 800-759-4867, ext.

77

Materials for Nuclear Power: Digital Resource Center ... - TMS  

Science Conference Proceedings (OSTI)

Materials for Nuclear Power, 0, 2161, Maureen Byko, 3/15/2009 8:21 PM ... A comprehensive introductory educational site about all forms of nuclear power, 0...

78

Microsoft PowerPoint - KLEIN_ARM_STM08_POSTER.ppt  

NLE Websites -- All DOE Office Websites (Extended Search)

average both SCMs average both SCMs and CRMs underestimate the amount of supercooled water by a factor of 3. Models simulations of ice water path are more consistent with observations. Liquid Water Path Versus Ice Water Path Liquid Water Path Versus Ice Water Path liquid water path (g m -2 ) ice water path (g m -2 ) 171 A = Aircraft S = Radar/Lidar retrievals (Shupe) W = Radar/Lidar retrievals (Wang) Observational Uncertainty Rectangle Symbol Key for Models Symbol Key for Observations LLNL-POST-401952 This work is supported by the Office of Science of the United States Department of Energy as part of the ARM program. This work was performed under the auspices of the U. S. Department of Energy by Lawrence Livermore National Laboratory under contract DE-AC52-07NA27344. Co-Authors Andy Ackerman, Alex Avramov, Gijs

79

Klein-NERAC Report of WCL Committee - 5-18-04a  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Report of Nuclear Laboratory Report of Nuclear Laboratory Requirements Subcommittee Requirements Subcommittee Date: May 18, 2004 Date: May 18, 2004 Department of Nuclear Engineering & Radiation Health Physics Charge to Subcommittee on Nuclear Laboratory Requirements "A key Department of Energy objective is to make Idaho National Laboratory the leading nuclear energy research laboratory in the world in ten years from its inception. To this end, Nuclear Energy requests NERAC's assistance in identifying what characteristics, capabilities, and attributes a world-class nuclear laboratory would possess. The starting point of this analysis should be the January 16, 2003 report of NERAC's Infrastructure Task Force. Nuclear Energy would expect members of this subcommittee to become

80

Energy Recovery from Municipal Solid Wastes by Gasification Alexander Klein and Nickolas J. Themelis  

E-Print Network (OSTI)

. this approach, the observed gasification rate in zone II, rII , is estimated from the intrinsic rate r-stage, entrained-flow gasifiers. Previous work demonstrated the system-level advantages of gasification unchanged. However, gasification in carbon dioxide has been observed to be slower than that in steam

Columbia University

Note: This page contains sample records for the topic "maureen klein 202-586-8013" 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

(References: Klein SA, RB McCoy, H Morrison, AS Ackerman, A  

NLE Websites -- All DOE Office Websites (Extended Search)

the ground-based radar-lidar retrievals are depicted by "S" and "W." Implications for Ice-Phase Cloud Microphysics for Next-Generation Climate Models As high-performance...

82

Die opkoms, dinamika en betekenis van die Klein Karoo Nasionale Kunstefees: 1995-2005.  

E-Print Network (OSTI)

??Funding for the Afrikaans arts before 1994 was greatly controlled by the National Party government through the four former provincial arts councils. With the political (more)

Kitshoff, Herman van Zijl

2005-01-01T23:59:59.000Z

83

Social determinants of community support for the Klein Karoo National Arts Festival / I. Loots.  

E-Print Network (OSTI)

??The primary purpose of this study was to determine the social determinants of arts festivals with reference to the ABSA KKNK. This goal was achieved (more)

Loots, Ingemari

2010-01-01T23:59:59.000Z

84

Klein-NERAC Report of WCL Committee - 5-18-04a  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

* Visit world-class labs (nuclear and non-nuclear) in US, Canada, Europe, Japan and S. Korea to collect data * Survey to be sent to numerous laboratories * Questionnaire to be...

85

Efficient view-dependent out-of-core visualization Michael Guthe, Pavel Borodin and Reinhard Klein  

E-Print Network (OSTI)

node a level of detail is generated for efficient view-dependent rendering. To ensure correct matching algorithm with appropriately shaded fat borders. Furthermore, several minor yet important improvements-dependent rendering technique which allows for the natural incorporation of state-of-the-art culling, simplification

Behnke, Sven

86

Klein-NERAC NE education taskforce report 5-18-04  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

of radiation with matter, radiation protection, reactor physics and theory, reactor thermal hydraulics, nuclear engineering design. * Most also include nuclear reactor...

87

Energy distribution of the Einstein-Klein-Gordon system for a static spherically symmetric spacetime in (2+1)-dimensions  

E-Print Network (OSTI)

We use Moeller's energy-momentum complex in order to explicitly compute the energy and momentum density distributions for an exact solution of Einstein's field equations with a negative cosmological constant minimally coupled to a static massless scalar field in a static, spherically symmetric background in (2+1)-dimensions.

I. Radinschi; Th. Grammenos

2005-08-01T23:59:59.000Z

88

From chemical Langevin equations to Fokker-Planck equation: application of Hodge decomposition and Klein-Kramers equation  

E-Print Network (OSTI)

The stochastic systems without detailed balance are common in various chemical reaction systems, such as metabolic network systems. In studies of these systems, the concept of potential landscape is useful. However, what are the sufficient and necessary conditions of the existence of the potential function is still an open problem. Use Hodge decomposition theorem in differential form theory, we focus on the general chemical Langevin equations, which reflect complex chemical reaction systems. We analysis the conditions for the existence of potential landscape of the systems. By mapping the stochastic differential equations to a Hamiltonian mechanical system, we obtain the Fokker-Planck equation of the chemical reaction systems. The obtained Fokker-Planck equation can be used in further studies of other steady properties of complex chemical reaction systems, such as their steady state entropies.

Weihua Mu; Xiaoqing Li; Zhongcan Ou-Yang

2010-09-19T23:59:59.000Z

89

From chemical Langevin equations to Fokker-Planck equation: application of Hodge decomposition and Klein-Kramers equation  

E-Print Network (OSTI)

The stochastic systems without detailed balance are common in various chemical reaction systems, such as metabolic network systems. In studies of these systems, the concept of potential landscape is useful. However, what are the sufficient and necessary conditions of the existence of the potential function is still an open problem. Use Hodge decomposition theorem in differential form theory, we focus on the general chemical Langevin equations, which reflect complex chemical reaction systems. We analysis the conditions for the existence of potential landscape of the systems. By mapping the stochastic differential equations to a Hamiltonian mechanical system, we obtain the Fokker-Planck equation of the chemical reaction systems. The obtained Fokker-Planck equation can be used in further studies of other steady properties of complex chemical reaction systems, such as their steady state entropies.

Mu, Weihua; Ou-Yang, Zhongcan

2010-01-01T23:59:59.000Z

90

The social impact of the Klein Karoo National Arts Festival : a comparison between white and coloured communities / E. Adendorff.  

E-Print Network (OSTI)

??The primary objective of this study was to determine the social impacts of arts festivals with reference to the KKNK and to make a comparison (more)

Adendorff, Erika

2008-01-01T23:59:59.000Z

91

OPTIMIZATION OF HYBRID GEOTHERMAL HEAT PUMP SYSTEMS Scott Hackel, Graduate Research Assistant; Gregory Nellis, Professor; Sanford Klein,  

E-Print Network (OSTI)

users. Refer to the ASOS Quick Reference Handbook published by the National Weather Service=a wind shift occurred at 1715Z as a result of a frontal passage. TOWER OR SURFACE VISIBILITY: Tower visibility is coded as TWR_VIS_ vvvv and is the visibility reported by tower personnel. For example, TWR VIS

Wisconsin at Madison, University of

92

Cross-sector policy research: insights from the UK energy and transport sectors  

E-Print Network (OSTI)

Pearman, University of Leeds; Mayer Hillman, Policy Studies Institute, London; Andy Costain and Sally Scarlett of Planning Transport, Research and Computation; Luis Willumsen, Steer, Davis and Gleave; and Mrs Maureen Oxford, Transport and Road Research...

Peake, Stephen Robert

1993-10-26T23:59:59.000Z

93

Publications  

NLE Websites -- All DOE Office Websites (Extended Search)

Eric, Ryan H. Wiser, and Maureen Hand. IEA Wind Task 26: The Past And Future Cost Of Wind Energy, Edited by Athanasia Arapogianni, Alberto Cea, Emilien Simonot and Edward...

94

Impacts of Trades in an Error-Correction Model of Quote Prices  

E-Print Network (OSTI)

on Short-Selling and Asset Price Adjustment to PrivateF. , 2000, Time and the Price Impact of a Trade, Journal ofand OHara, Maureen, 1987, Price, Trade Size and Information

Engle, Robert F; Patton, Andrew J

2000-01-01T23:59:59.000Z

95

J'ACCUSE! THE NEW ANTI-ANTI-SEMITISM Math professor David Klein maintains a web page that indicts Israeli policy toward the  

E-Print Network (OSTI)

toward which Jewish history inexorably tends, thus justifying strenuous resistance to any sign history writing as history. Israel has had its whig historians who trace its evolution to its founding and media to pull the wool over the public's eyes about Israel. Arch defenders of Israel must do a better

Klein, David

96

Limits on a muon flux from Kaluza-Klein dark matter annihilations in the Sun from the IceCube 22-string detector  

E-Print Network (OSTI)

matter annihilations in the Sun from the IceCube 22-stringmatter annihilations in the Sun from the IceCube 22-stringmatter annihilations in the Sun has been performed with the

Abbasi, R.

2010-01-01T23:59:59.000Z

97

Limits on a muon flux from Kaluza-Klein dark matter annihilations in the Sun from the IceCube 22-string detector  

E-Print Network (OSTI)

Sun from the IceCube 22-string detector R. Abbasi,etal 1III.the Sun from the IceCube 22-string detector R. Abbasi, 26 Y.performed with the 22-string con?guration of the IceCube

Abbasi, R.

2010-01-01T23:59:59.000Z

98

Molecular Biology of the Cell Vol. 10, 649664, March 1999  

E-Print Network (OSTI)

how nuclear pores accomplish the complicated task of selective, bidirec- tional trafficking. Initial Role in Multiple Types of Nuclear Export Katharine S. Ullman,* Sundeep Shah, Maureen A. Powers of nucleocytoplasmic transport takes place through the nuclear pore. Peripheral pore structures are presumably poised

Forbes, Douglass

99

NEW MEXICO STATE UNIVERSITY BOARD OF REGENTS MEETING  

E-Print Network (OSTI)

, President Isaac J. Pino, Chair Wendy Wilkins, Exec. Vice Pres./Provost Chris Anaya, Vice Chair Blake BUniversityMarketing(MaureenHoward,AssociateVicePresidentforUniversityCommunications and Marketing Services and Valerie Pickett, Director of Admissions) 11. PRESIDENT'S REPORT 12. REPORTS (a

Castillo, Steven P.

100

Clear-Sky Direct-Beam Solar Radiation Versus Altitude: A Proposal for Standard Soundings  

Science Conference Proceedings (OSTI)

The author reexamines Klein's (1948) quantitative statements relating clear-sky direct-beam solar radiation to altitude for the lower troposphere, which are of the form (transmissivity) = B + A log (altitude). Klein's summaries are judged to be ...

William P. Lowry

1980-11-01T23:59:59.000Z

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101

66 MaxPlanckForschung 2 | 11 BIOLOGIE & MEDIZIN_Zur Person  

E-Print Network (OSTI)

zweistöckigen Haus im Kolonialstil, inklusive Garagenein- fahrt und Garten nach hinten. Als er noch klein war

102

RFI Responses & Workshop Reports  

Science Conference Proceedings (OSTI)

... 61, The Ohio State University - College of Engineering; Kramer. 62, The Solar Energy Consortium; Klein. 63, The Timken Company; Kolarik. ...

103

Volume 22 (1), pp. 3557 http://www.orssa.org.za  

E-Print Network (OSTI)

748 9 187 Karoo Ka 366 -- Klein Karoo Kl 2 571 483 GEVV Ge 19 436 28 299 Boland Bo 5 902 6 527 Ceres Karoo, GEVV, Boland, Ceres, Piketberg, Citrusdal, Johan- nesburg and Rustenburg regions. Cold stores in the Klein Karoo and Hartswater regions. Pome 39 524 52% Pack houses in the Klein Karoo, GEVV, Piketberg

van Vuuren, Jan H.

104

Microsoft Office Outlook - Memo Style  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Maureen Quinn [fmquinn59@gmail.com] Maureen Quinn [fmquinn59@gmail.com] Sent: Monday, September 16, 2013 8:21 AM To: Lawrence, Christopher; Bartoab@nu.com; maryanne.sullivan@hoganlovells.com Subject: Request For Intervenor Status - NORTHERN PASS Dear Mr. Lawerence, I am writing to request intervenor status in your agency's consideration of the so-called Northern Pass (NP). My comments are as follows. I am ADAMANTLY opposed to the NP as currently proposed. As currently proposed, the NP route will cut through Deerfield, New Hampshire, where I live with my family. Deerfield is a rural New England community with many beautiful vistas, farms, historic homes, and buildings. The impact of NP's construction of a corridor of massive steel towers through the town-including within a half-mile of

105

High Level Waste Corporate Board Newsletter - 09/11/08  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

UPCOMING UPCOMING EVENTS: The Low-Level Waste Federal Review Group (LFRG) in Washington, DC on 16-18 September 2008. Contact Maureen O'Dell for details (MAUREEN.O'DELL@hq.doe.gov) Next High-Level Waste Corporate Board meeting will be held at DOE- RL on 6 November 2008. Meeting details will be presented here and e- mailed to those persons with an interest to participate. Topics for discussion include but are not limited to:  Results of the Tank Integrity Workshop  Strategic Initiative Briefing  Performance Assessment Guide Proposal NEWS ITEMS 3 June 2008: WASHINGTON, DC - The U.S. Department of Energy today announced submittal of a License Application to the U.S. Nuclear Regulatory Commission seeking authorization to construct America's first repository for spent nuclear fuel and high-level radioactive waste at Yucca Mountain, Nevada. (http://www.ocrwm.doe.gov) 8

106

Land-Use Requirements of Modern Wind Power Plants in the United States  

NLE Websites -- All DOE Office Websites (Extended Search)

4 4 August 2009 Land-Use Requirements of Modern Wind Power Plants in the United States Paul Denholm, Maureen Hand, Maddalena Jackson, and Sean Ong National Renewable Energy Laboratory 1617 Cole Boulevard, Golden, Colorado 80401-3393 303-275-3000 * www.nrel.gov NREL is a national laboratory of the U.S. Department of Energy Office of Energy Efficiency and Renewable Energy Operated by the Alliance for Sustainable Energy, LLC Contract No. DE-AC36-08-GO28308 Technical Report NREL/TP-6A2-45834 August 2009 Land-Use Requirements of Modern Wind Power Plants in the United States Paul Denholm, Maureen Hand, Maddalena Jackson, and Sean Ong Prepared under Task No. WER9.3550 NOTICE This report was prepared as an account of work sponsored by an agency of the United States government.

107

TITLE  

Office of Legacy Management (LM)

CULTURAL RESOURCES STUDY CULTURAL RESOURCES STUDY BACKQROUND RESEARCH REPORT Off-NfS Cukural Rasowcmr Studks: Background Research for Project Shot11 Prepared by Maureen King Alvin R. McLane and William Gray Johnson MAY 1993 DESERT RESEARCH INSTITUTE CULTURAL RESOURCES STUDY BACKGROUND RESEARCH REPORT Off-NTS Cultural Resources Studies: Background Research for Project Shoal Prepared by Maureen King Alvin R. McLane and William Gray Johnson Prepared for the U.S. Department of Energy Nevada Field Office Las Vegas, Nevada This document is UNCLASSIFIED Derivative , , ::/>.: ; , . / I : Classifier - & ? " A . + - = / . /.. Desert Research Institute ate.:^^:,'& MAY 1993 The work upon which this report is based was supporred by the U.S. Department of h e r g y under Contract #DE-AC08-90NV10845

108

Microsoft PowerPoint - ARM200903_Poster_KHLee [Compatibility Mode]  

NLE Websites -- All DOE Office Websites (Extended Search)

Maureen Cribb, Zhanqing Maureen Cribb, Zhanqing Li kwonlee@umd.edu, mcribb@essic.umd.edu, zli@atmos.umd.edu Aerosol optical depth measurements during the EAST-AIRE and the AMF deployment in China Earth System Science Interdisciplinary Center (ESSIC), Univ. of Maryland (UMD), College Park, MD 20742 y p y ( ), y ( ), g , Summary Introduction * MFRSR * We developed a new method to retrieve the MFRSR AOD using the modified Langley calibration for hazy * Dataset * Dataset [Xianghe] * MFRSR vs. Cimel AOD * MFRSR vs. Cimel AOD * MFRSR - Xianghe (2005~2008) - Taihu (2008~present) g g y y atmospheric conditions. Retrieved MFRSR AODs are in good agreement with Cimel AODs with liner correlation slope>0.9, R>0.99, and RMSD<0.06. * Statistics shows that the MFRSR AODs range from 0.57±0.49 in Xianghe to 0.81±0.52 in

109

Publications  

NLE Websites -- All DOE Office Websites (Extended Search)

5 results: 5 results: BibTex RIS RTF XML Sort by: Author Title Type [ Year (Desc) ] Filters: Author is Eric Lantz [Clear All Filters] 2012 Brown, Jason P., John Pender, Ryan H. Wiser, Eric Lantz, and Ben Hoen. "Ex Post Analysis of Economic Impacts from Wind Power Development in U.S. Counties." Energy Economics 34, no. 6 (2012). Brown, Jason P., John Pender, Ryan H. Wiser, Eric Lantz, and Ben Hoen. The Impact of Wind Development on County-Level Income and Employment: A Review of Methods and an Empirical Analysis (Fact Sheet)., 2012. Lantz, Eric, Ryan H. Wiser, and Maureen Hand. IEA Wind Task 26: The Past And Future Cost Of Wind Energy, Edited by Athanasia Arapogianni, Alberto Ceña, Emilien Simonot and Edward James-Smith:., 2012. Wiser, Ryan H., Eric Lantz, Mark Bolinger, and Maureen Hand. Recent

110

Research Highlight  

NLE Websites -- All DOE Office Websites (Extended Search)

Zhang Y and SA Klein. 2013. "Factors controlling the vertical extent of fair-weather shallow cumulus clouds over land: investigation of diurnal-cycle observations...

111

Journal of Superconductivity and Novel Magnetism, Vol. 19, Nos. 78, November 2006 ( C 2006) DOI: 10.1007/s10948-006-0124-4  

E-Print Network (OSTI)

. F. Wang,6 Y. L. Zhou,6 A. V. Pogrebnyakov,7,8 J. M. Redwing,8 X. X. Xi,7,8 and N. Klein1 Published

Ku?el, Petr

112

?  

E-Print Network (OSTI)

Quartely, 3, 1 and 2, 71-93 (1956). [8] Klein, M.: Inspection-Maintenance- Replacement Schedule under Markovian. Deterioration, Management Science, Vol.

113

On Academic Freedom The following excerpts are taken from the American Association of University Professors  

E-Print Network (OSTI)

/Linguistics (HUM) Cathy Jeppson, Accounting and Information Systems (COBAE) Rodica Kohn, Family & Consumer Sciences) Sharon Klein, Senator at Large, English/Linguistics (HUM) Cathy Jeppson, Accounting and Information

Shubin, Carol

114

Fire Suppression System Performance of Alternative Agents in ...  

Science Conference Proceedings (OSTI)

... development on nacelle fire protection followed, Klein (1950a) reported the results of the Jet Engine Fire Protection Program of the US Air Force. ...

1996-08-14T23:59:59.000Z

115

Voltage-based droop control of converter-interfaced distributed generation units in microgrids.  

E-Print Network (OSTI)

??Sinds de laatste jaren is er in het elektrisch energienet een enorme toevloed aan kleine decentrale generatoren, vaak op basis van hernieuwbare energiebronnen. De distributienetten (more)

Vandoorn, Tine

2013-01-01T23:59:59.000Z

116

Slide 1  

NLE Websites -- All DOE Office Websites (Extended Search)

Insects as Clear Air Vertical Velocity Profilers Edward Luke Brookhaven National Lab Pavlos Kollias McGill University Steve Klein LLNL Velocity (ms) Height (km) Velocity (ms)...

117

Elliptic Functions - CECM - Simon Fraser University  

E-Print Network (OSTI)

Jul 27, 2004 ... Klein on the younger generation ... generation scarcely even knows what an elliptic function is. ...... symmetric power method still works for this.

118

In recent years glaciers in the tropics have been recognized as particularly valuable indicators  

E-Print Network (OSTI)

in the mountains of Irian Jaya in Indonesia (Kincaid and Klein 2004). Apart from brief periods (e.g., Georges 2004

Massachusetts at Amherst, University of

119

A critical evaluation of market segmentation at national arts festivals in South Africa / M. Kruger.  

E-Print Network (OSTI)

??The Klein Karoo National Arts Festival (KKNK) and the Aardklop National Arts Festival (Aardklop) are two of the largest and most popular arts festivals in (more)

Kruger, Martinette

2010-01-01T23:59:59.000Z

120

A financial cost-benefit analysis of the implementation of a small-camp system in ostrich farming to allow veld restoration.  

E-Print Network (OSTI)

??ENGLISH ABSTRACT: Before the ostrich industry started in the Klein Karoo region of South Africa in 1863, the veld was used mainly for large and (more)

Mugido, Worship

2011-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "maureen klein 202-586-8013" from the National Library of EnergyBeta (NLEBeta).
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We encourage you to perform a real-time search of NLEBeta
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121

Papers and Other Contributions - CECM - Simon Fraser University  

E-Print Network (OSTI)

Submitted Work & Work in Preparation. J. de Kleine, M. B. Monagan and A. D. Wittkopf, Algorithms for the Non-monic case of the Sparse Modular GCD Algorithm...

122

Diversity is in the Eye of the Beholder: How Majority and Minority Group Members Define Diversity  

E-Print Network (OSTI)

2004). The benefits of diversity in education for democraticKlein, K. J. , & Harrison, D. A. (2008). On the diversityof diversity: Tidy logic, messier realities. Academy of

Unzueta, Miguel M.; Binning, Kevin R.

2009-01-01T23:59:59.000Z

123

Validation of Global Weather Forecast and Climate Models Over...  

NLE Websites -- All DOE Office Websites (Extended Search)

Validation of Global Weather Forecast and Climate Models Over the North Slope of Alaska Xie, Shaocheng Lawrence Livermore National Laboratory Klein, Stephen Lawrence Livermore...

124

Building and Fire Publications  

Science Conference Proceedings (OSTI)

... of Ammonia-Water and Ammonia-Water Lithium Bromide ... Klein, SA; Thermophysical Property Need for ... Thermophysical Properties, 10th Symposium ...

125

Upgrading California's Home Care Workforce: The Impact of Political Action and Unionization  

E-Print Network (OSTI)

howes / upgrading californias home care workforceKlein. 2003. Organizing Home Care: Homecare Workers, OldCollaborating to Improve In-Home Supportive Services: Stake-

Howes, Candace

2004-01-01T23:59:59.000Z

126

Exploring the Texture of Ocean-Atmosphere Redox Evolution on the Early Earth  

E-Print Network (OSTI)

Klein C, Beukes NJ (1989) Geochemistry and sedimentology ofReviews of Mineralogy and Geochemistry 31, 1-22. 52. LengkeAqueous Environmental Geochemistry, Prentice Hall, Inc. ,

Reinhard, Christopher Thomas

2012-01-01T23:59:59.000Z

127

Biology  

Science Conference Proceedings (OSTI)

... PI NSF Materials Research Science and Engineering Program at the University of Pennsylvania, M. Klein, PI National Stable Isotope Resource at ...

128

Spatial and temporal modulation of internal waves and thermohaline structure  

E-Print Network (OSTI)

325. Mahadevan, A. , and A. Tandon, 2006: An analysis ofMcWilliams 1985; Mahdevan and Tandon 2006; Klein and Lapeyre

Cole, Sylvia T.

2010-01-01T23:59:59.000Z

129

Zusatz-Dimensionen  

NLE Websites -- All DOE Office Websites (Extended Search)

Ungelste Rtsel Zusatz-Dimensionen String Theorien und andere neuartige Vorschlge verlangen mehr als drei rumliche Dimensionen. Diese Zusatzdimensionen sind sehr klein;...

130

Microsoft Word - westwater_er.doc  

NLE Websites -- All DOE Office Websites (Extended Search)

Overview and Recent Results E.R. Westwater, D. Cimini, M. Klein, and V. Leuski Cooperative Institute for Research in Environmental Sciences University of ColoradoNational...

131

ghan-99.PDF  

NLE Websites -- All DOE Office Websites (Extended Search)

La Jolla, California S. Klein Geophysical Fluid Dynamics Laboratory Princeton, New Jersey S. K. Krueger Department of Meteorology University of Utah Salt Lake City, Utah...

132

SWARTBERG INCLUDING GAMKASKLOOF near Prince Albert  

E-Print Network (OSTI)

-enthusiast, these mountains are your passport to rugged adventure, surrounded by the Klein Karoo splendour of the Klein Karoo Mountains) or do one of the many day hikes available.4x4 enthusiasts can follow the Zebra overnight shelter. ANySBERG near Laingsburg Isolation and rustic relaxation is key toAnysberg - a true Karoo

de Villiers, Marienne

133

Multiplicity of positive solutions for nonlinear field equations in $\\R^{N}$  

E-Print Network (OSTI)

In this paper we study the multiplicity of positive solutions for nonlinear elliptic equations on $\\R^N$. The number of solutions is greater or equal than the number of disjoint intervals on which the nonlinear term is negative. Applications are given to multiplicity of standing waves for the nonlinear Schr\\"odinger, Klein-Gordon and Klein-Gordon-Maxwell equations.

Bonanno, Claudio

2009-01-01T23:59:59.000Z

134

Informal Report PRELIMINARY EVALUATION OF POTENTIAL  

E-Print Network (OSTI)

OF SEDIMENT DECONTAMINATION FACILITIES FOR NEW YORK/NEW JERSEY HARBOR Michael D. Rowe Robert C. Klein Keith W FACILITIES FOR NEW YORK/NEW JERSEY HARBOR Michael D. Rowe Robert C. Klein Keith W. Jones July 1999 Prepared. The Port Authority of New York/New Jersey has determined that dredging of the ship channels is essential

Brookhaven National Laboratory

135

Uniondale atlasing expedition, 8-10 October 2010 Alan Lee (with photos by Wessel Rossouw)  

E-Print Network (OSTI)

-enthusiast, these mountains are your passport to rugged adventure, surrounded by the Klein Karoo splendour of the Klein Karoo Mountains) or do one of the many day hikes available.4x4 enthusiasts can follow the Zebra overnight shelter. ANySBERG near Laingsburg Isolation and rustic relaxation is key toAnysberg - a true Karoo

de Villiers, Marienne

136

SSRL and LCLS are national user facilities operated by Stanford University for the US Department of Energy.  

E-Print Network (OSTI)

SSRL Users' Organization Meeting Friday, August 12, 2011 The SSRL Users Organization Executive requested that the Klein award description on the SSRL website be clarified to distinguish the Spicer Young description will be modified accordingly: The Melvin P. Klein Scientific Development Award: https://www-conf.slac.stanford.edu/ssrl

Wechsler, Risa H.

137

Annual Report, 2009 THE COLLEGE OF SCIENCE  

E-Print Network (OSTI)

-2009 Jordan Bronston (TC) Imee Cambronero (GAPSA) Erick Elgin (UMC) Jennifer McCabe (UMD) Dustin Norman (TC Hernandez Jeanne Hvass William Klein Timothy Klinkner Richard Kottke Sarah Leiverenz Daniel Lippert Gary Patrick Eckman Juan Hernandez Donald Hoffman Jeanne Hvass William Klein Richard Kottke Daniel Lippert Gary

138

Verkndungsblatt 18|2012 Ausgabedatum 20.09.2012  

E-Print Network (OSTI)

Fächer A Bildungswissenschaften B Biologie C Chemie D Darstellendes Spiel E Deutsch F Englisch G Erdkunde an Gymnasien wie folgt geändert: Für folgende Zweitfächer wird eine Kleine Fakultas eingerichtet: - Deutsch Kleine Fakultas studiert werden können: Deutsch Englisch Geschichte Mathematik Politik #12

Nejdl, Wolfgang

139

Reducing Energy Demand in Buildings Through State Energy Codes  

NLE Websites -- All DOE Office Websites (Extended Search)

Codes Assistance Project Codes Assistance Project Maureen Guttman, AIA Executive Director, BCAP Alliance to Save Energy 202-530-2211 mguttman@ase.org Tuesday, April 2, 2013 - Thursday, April 4, 2013 Reducing Energy Demand in Buildings Through State Energy Codes - Providing Technical Support and Assistance to States - 2 | Building Technologies Office eere.energy.gov Purpose & Objectives Problem Statement: Buildings = largest sector of energy consumption in America * Energy codes are a ready-made regulatory mechanism * States need support for implementation Impact of Project:

140

Solar Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Electricity Futures Electricity Futures Activities & Status Electricity Advisory Committee October 29, 2010 Sam Baldwin, Walter Short (Maureen Hand, Trieu Mai, Greg Brinkman, Ryan Wiser, et al.) Objectives for Today 2 * Provide a high-level overview of the Renewable Electricity Futures study, * current status * modeling approach * key questions. REF Context * Energy-linked challenges: * Energy price volatility * Dependence on and cost of imported fossil fuels * Potential fossil fuel supply constraints * Health & environmental impacts * Climate change impacts * Water and land impacts * Potential Responses * More efficient use of energy * Shift from distributed fossil to low-carbon electricity sources * Low-carbon electricity generation 3 Electricity Sector Options Renewables are one pathway -

Note: This page contains sample records for the topic "maureen klein 202-586-8013" 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
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141

Microsoft Word - DOE St.Louis Workshop 12-8-11 Final  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

4 5 UNITED STATES DEPARTMENT OF ENERGY 6 NATIONAL ELECTRIC TRANSMISSION CONGESTION STUDY 7 WORKSHOP 8 9 10 11 12 St. Louis, Missouri 13 Thursday, December 8, 2011 14 15 16 2 PARTICIPANTS: 1 Welcome and Presentation: 2 3 DAVID MEYER 4 U.S. Department of Energy 5 6 Panel 1 Regulators: 7 8 KEVIN D. GUNN 9 Missouri Public Service Commission 10 11 JERRY LEIN 12 North Dakota Public Service Commission 13 14 OLAN REEVES 15 Arkansas Public Service Commission 16 17 TOM SLOAN 18 Representative, Kansas Legislature 19 20 GREG WHITE 21 Michigan Public Service Commission 22 23 Panel 2 Industry: 24 25 MAUREEN BORKOWSKI 26

142

INSERT PRESENTATION TITLE HERE  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

S. Department of Energy S. Department of Energy National Electric Transmission Congestion Study Workshop Saint Louis, Missouri December 8, 2011 Maureen A. Borkowski President & CEO, Ameren Transmission Company 2 CONGESTION IN THE MIDWEST * Midwest ISO performs regular congestion studies looking at historical and expected future congestion - Top Congested Flowgate Study - Cross-Border Congested Flowgates (with PJM) * Significant congestion exists in several areas - Southeast Missouri, Southern Illinois and Indiana - Chicago area, Southern Wisconsin and Northern Indiana surrounding Lake Michigan - Indiana and Kentucky border * Historically, dozens of transmission projects were evaluated to mitigate congestion on the top congested flowgates - RECB II Benefit/Cost Threshold was used - Only one small project passed the criteria

143

NREL: Energy Analysis - Technology Systems and Sustainability Analysis  

NLE Websites -- All DOE Office Websites (Extended Search)

Technology Systems and Sustainability Analysis Technology Systems and Sustainability Analysis The following includes summary bios of staff expertise and interests in analysis related to infrastructure and systems; sustainability assessment; technoeconomic assessment; and water requirements. Team Lead: Margaret Mann Administrative Support: JoAnn Weaver Chad Augustine Alberta Carpenter Karlynn Cory Ran Fu Maureen Hand KC Hallett Ted James Garvin Heath Scott Jenne Aaron Levine Ben Maples Anelia Milbrandt Emily K. Newes Ethan Warner Kermit Witherbee Michael Woodhouse Katherine Young Yimin Zhang Photo of Chad Augustine. Chad Augustine Geothermal Energy Engineer/Analyst Areas of expertise Techno-economic modeling of Enhanced Geothermal Systems (EGS) Geothermal resource assessment High pressure, high temperature reaction systems

144

Reducing Energy Demand in Buildings Through State Energy Codes  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Codes Assistance Project Codes Assistance Project Maureen Guttman, AIA Executive Director, BCAP Alliance to Save Energy 202-530-2211 mguttman@ase.org Tuesday, April 2, 2013 - Thursday, April 4, 2013 Reducing Energy Demand in Buildings Through State Energy Codes - Providing Technical Support and Assistance to States - 2 | Building Technologies Office eere.energy.gov Purpose & Objectives Problem Statement: Buildings = largest sector of energy consumption in America * Energy codes are a ready-made regulatory mechanism * States need support for implementation Impact of Project:

145

PowerPoint Presentation  

NLE Websites -- All DOE Office Websites (Extended Search)

A. Klein, 27 August 2007, p. 1 A. Klein, 27 August 2007, p. 1 Outline * New Focus Groups or Subcommittees - Surface Flux Measurement - Cloud-scale Vertical Velocity * Fall 2008 meeting Stephen A. Klein, 27 August 2007, p. 2 Surface Flux Measurement * Warren Wiscombe has asked that all instruments "have a home" in a working group * To that end, he has asked that the Cloud Modeling Working Group "take ownership" of the surface energy budget measurements as no other working group has an interest in these measurements * He has asked us to evaluate the efficacy of the Energy Balance Bowen Ratio (EBBRs) and the Eddy Correlation (ECORs) instruments Stephen A. Klein, 27 August 2007, p. 3 Surface Flux Measurement * Warren would also like us to look at new measurement techniques such as the

146

How can Weather-Forecasting Facilitate the Improvement of Moist...  

NLE Websites -- All DOE Office Websites (Extended Search)

Weather-Forecasting Facilitate the Improvement of Moist Processes in Climate Models? Speaker(s): Stephen A. Klein Date: May 22, 2008 - 12:00pm Location: 90-3122 Seminar HostPoint...

147

INTERACTION OF A SOLAR SPACE HEATING SYSTEM WITH THE THERMAL BEHAVIOR OF A BUILDING  

E-Print Network (OSTI)

to a typical h"ydronic solar heating system for differentlarger by the active solar heating system. its, Schiller,Klein, and J, A. Duffie, "Solar Heating Design", (New York:

Vilmer, Christian

2013-01-01T23:59:59.000Z

148

NALCAL  

NLE Websites -- All DOE Office Websites (Extended Search)

BREAK 2nd Flr X-Over 4:00 Fermilab Colloquium 1 West Speaker: Joshua Klein, University of Pennsylvania Title: From Anomaly to Problem to Physics: Lessons from Solar Neutrinos...

149

Vertical Velocities in Continental Boundary Layer Stratocumulus...  

NLE Websites -- All DOE Office Websites (Extended Search)

- Persist of long time-scales * Impact on radiation budget - High SW albedo compared to land or ocean Klein and Hartmann 1993 But Why Continental Clouds? * They do exist -...

150

On-line trajectory resolution for two-armed systems with conflicting performance criteria  

E-Print Network (OSTI)

Haren pagina van Facebook. Figuur 3.5 | Geografische herkomst veel-posters (een kleine stip staat voor een persoon. Een grotere stip geeft meer mensen aan (maximaal 38 mensen uit de stad Groningen) Posts

151

ARM Climate Modeling Best Estimate From Darwin, AU (ARMBE-ATM TWPC2)  

SciTech Connect

The ARM CMBE-ATM [Xie, McCoy, Klein et al.] data file contains a best estimate of several selected atmospheric quantities from ACRF observations and NWP analysis data.

Renata McCoy; Shaocheng Xie

2012-05-14T23:59:59.000Z

152

ARM Climate Modeling Best Estimate Lamont, OK (ARMBE-ATM SGPC1)  

SciTech Connect

The ARM CMBE-ATM [Xie, McCoy, Klein et al.] data file contains a best estimate of several selected atmospheric quantities from ACRF observations and NWP analysis data.

Renata McCoy; Shaocheng Xie

2012-05-14T23:59:59.000Z

153

ARM Climate Modeling Best Estimate From Manus Island, PNG (ARMBE-ATM TWPC1)  

SciTech Connect

The ARM CMBE-ATM [Xie, McCoy, Klein et al.] data file contains a best estimate of several selected atmospheric quantities from ACRF observations and NWP analysis data.

Renata McCoy; Shaocheng Xie

2012-05-14T23:59:59.000Z

154

ARM Climate Modeling Best Estimate Barrow, AK (ARMBE-ATM NSAC1)  

SciTech Connect

The ARM CMBE-ATM [Xie, McCoy, Klein et al.] data file contains a best estimate of several selected atmospheric quantities from ACRF observations and NWP analysis data.

Renata McCoy; Shaocheng Xie

2012-05-14T23:59:59.000Z

155

ARM Climate Modeling Best Estimate From Darwin, AU (ARMBE-ATM TWPC3)  

SciTech Connect

The ARM CMBE-ATM [Xie, McCoy, Klein et al.] data file contains a best estimate of several selected atmospheric quantities from ACRF observations and NWP analysis data.

Renata McCoy; Shaocheng Xie

2012-05-14T23:59:59.000Z

156

A five-gene phylogeny of Pezizomycotina Joseph W. Spatafora1  

E-Print Network (OSTI)

Schultz Biozentrum Klein Flottbek und Botanischer Garten der Universita¨t Hamburg, Systematik der Pflanzen Ohnhorststr. 18, D-22609 Hamburg, Germany Harrie Sipman Botanischer Garten und Botanisches Museum Berlin

Arnold, A. Elizabeth

157

Compact Shock Impulses in Models with V-shaped Potentials  

E-Print Network (OSTI)

A new class of solutions in the signum-Klein-Gordon model is presented. Our solutions merge properties of shock waves and compactons that appear in scalar field models with V-shaped potentials.

Pawel Klimas

2009-03-31T23:59:59.000Z

158

Michael P. Jensen | BNL  

NLE Websites -- All DOE Office Websites (Extended Search)

acp-11-7155-2011. Xie, S., McCoy, R. B., Klein, S. A., Cederwall, R. T., Wiscombe, W. J., Clothiaux, E. E., Gaustad, K. L., Golaz, J.-C., Hall, S., Jensen, M. P., Johnson, K....

159

The Challenge of Enzyme Cost in the Production of ...  

Lignocellulosic Biofuels Daniel Klein-Marcuschamer,1,2 Piotr Oleskowicz-Popiel,1,2 Blake A. Simmons,1,2,3 ... target for improvement and one already being tackled by

160

ARM - Publications: Science Team Meeting Documents  

NLE Websites -- All DOE Office Websites (Extended Search)

Generating Sub-Grid Scale Cloud Structure for GCM Calculations of Precipitation Pincus, R.(a) and Klein, S.A.(b), NOAA-CIRES Climate Diagnostics Center (a), NOAAPrinceton GFDL (b)...

Note: This page contains sample records for the topic "maureen klein 202-586-8013" from the National Library of EnergyBeta (NLEBeta).
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161

ARM Climate Modeling Best Estimate Lamont, OK (ARMBE-ATM SGPC1)  

DOE Data Explorer (OSTI)

The ARM CMBE-ATM [Xie, McCoy, Klein et al.] data file contains a best estimate of several selected atmospheric quantities from ACRF observations and NWP analysis data.

Renata McCoy; Shaocheng Xie

162

ARM Climate Modeling Best Estimate Lamont, OK (ARMBE-ATM SGPC1)  

SciTech Connect

The ARM CMBE-ATM [Xie, McCoy, Klein et al.] data file contains a best estimate of several selected atmospheric quantities from ACRF observations and NWP analysis data.

Renata McCoy; Shaocheng Xie

2011-12-13T23:59:59.000Z

163

ARM Climate Modeling Best Estimate from Darwin, AU (ARMBE-CLDRAD TWPC3 V2.1)  

SciTech Connect

The ARM CMBE-ATM [Xie, McCoy, Klein et al.] data file contains a best estimate of several selected atmospheric quantities from ACRF observations and NWP analysis data.

Renata McCoy; Shaocheng Xie

2010-08-10T23:59:59.000Z

164

ARM Climate Modeling Best Estimate From Darwin, AU (ARMBE-ATM TWPC3)  

SciTech Connect

The ARM CMBE-ATM [Xie, McCoy, Klein et al.] data file contains a best estimate of several selected atmospheric quantities from ACRF observations and NWP analysis data.

Renata McCoy; Shaocheng Xie

2010-10-05T23:59:59.000Z

165

ARM Climate Modeling Best Estimate Barrow, AK (ARMBE-ATM NSAC1)  

SciTech Connect

The ARM CMBE-ATM [Xie, McCoy, Klein et al.] data file contains a best estimate of several selected atmospheric quantities from ACRF observations and NWP analysis data.

Renata McCoy; Shaocheng Xie

2010-10-05T23:59:59.000Z

166

ARM Climate Modeling Best Estimate from Nauru (ARMBE-CLDRAD TWPC2)  

SciTech Connect

The ARM CMBE-ATM [Xie, McCoy, Klein et al.] data file contains a best estimate of several selected atmospheric quantities from ACRF observations and NWP analysis data.

Renata McCoy; Shaocheng Xie

2012-05-14T23:59:59.000Z

167

ARM Climate Modeling Best Estimate From Darwin, AU (ARMBE-ATM TWPC3)  

DOE Data Explorer (OSTI)

The ARM CMBE-ATM [Xie, McCoy, Klein et al.] data file contains a best estimate of several selected atmospheric quantities from ACRF observations and NWP analysis data.

Renata McCoy; Shaocheng Xie

168

ARM Climate Modeling Best Estimate from Manus Island, PNG (ARMBE-CLDRAD TWPC1 V2.1)  

SciTech Connect

The ARM CMBE-ATM [Xie, McCoy, Klein et al.] data file contains a best estimate of several selected atmospheric quantities from ACRF observations and NWP analysis data.

Renata McCoy; Shaocheng Xie

2011-02-07T23:59:59.000Z

169

ARM Climate Modeling Best Estimate from Manus Island, PNG with additional satellite product (ARMBE-CLDRAD TWPC1 V2.1a)  

SciTech Connect

The ARM CMBE-ATM [Xie, McCoy, Klein et al.] data file contains a best estimate of several selected atmospheric quantities from ACRF observations and NWP analysis data.

Renata McCoy; Shaocheng Xie

2011-02-07T23:59:59.000Z

170

ARM Climate Modeling Best Estimate From Nauru (ARMBE-ATM TWPC2)  

DOE Data Explorer (OSTI)

The ARM CMBE-ATM [Xie, McCoy, Klein et al.] data file contains a best estimate of several selected atmospheric quantities from ACRF observations and NWP analysis data.

Renata McCoy; Shaocheng Xie

171

ARM Climate Modeling Best Estimate From Manus Island, PNG (ARMBE-ATM TWPC1)  

DOE Data Explorer (OSTI)

The ARM CMBE-ATM [Xie, McCoy, Klein et al.] data file contains a best estimate of several selected atmospheric quantities from ACRF observations and NWP analysis data.

Renata McCoy; Shaocheng Xie

172

ARM Climate Modeling Best Estimate From Darwin, AU (ARMBE-ATM TWPC2)  

DOE Data Explorer (OSTI)

The ARM CMBE-ATM [Xie, McCoy, Klein et al.] data file contains a best estimate of several selected atmospheric quantities from ACRF observations and NWP analysis data.

Renata McCoy; Shaocheng Xie

173

ARM Climate Modeling Best Estimate Barrow, AK (ARMBE-ATM NSAC1)  

DOE Data Explorer (OSTI)

The ARM CMBE-ATM [Xie, McCoy, Klein et al.] data file contains a best estimate of several selected atmospheric quantities from ACRF observations and NWP analysis data.

Renata McCoy; Shaocheng Xie

174

ARM Climate Modeling Best Estimate from Nauru (ARMBE-CLDRAD TWPC3)  

SciTech Connect

The ARM CMBE-ATM [Xie, McCoy, Klein et al.] data file contains a best estimate of several selected atmospheric quantities from ACRF observations and NWP analysis data.

Renata McCoy; Shaocheng Xie

2012-05-14T23:59:59.000Z

175

ARM Climate Modeling Best Estimate From Manus Island, PNG (ARMBE-ATM TWPC1)  

SciTech Connect

The ARM CMBE-ATM [Xie, McCoy, Klein et al.] data file contains a best estimate of several selected atmospheric quantities from ACRF observations and NWP analysis data.

Renata McCoy; Shaocheng Xie

2010-10-05T23:59:59.000Z

176

ARM Climate Modeling Best Estimate From Nauru (ARMBE-ATM TWPC2)  

SciTech Connect

The ARM CMBE-ATM [Xie, McCoy, Klein et al.] data file contains a best estimate of several selected atmospheric quantities from ACRF observations and NWP analysis data.

Renata McCoy; Shaocheng Xie

2010-10-05T23:59:59.000Z

177

ARM Climate Modeling Best Estimate from Nauru (ARMBE-CLDRAD TWPC1)  

SciTech Connect

The ARM CMBE-ATM [Xie, McCoy, Klein et al.] data file contains a best estimate of several selected atmospheric quantities from ACRF observations and NWP analysis data.

Renata McCoy; Shaocheng Xie

2012-05-14T23:59:59.000Z

178

ARM Climate Modeling Best Estimate Barrow, AK (ARMBE-CLDRAD NSAC1 V2.1)  

SciTech Connect

The ARM CMBE-ATM [Xie, McCoy, Klein et al.] data file contains a best estimate of several selected atmospheric quantities from ACRF observations and NWP analysis data.

Renata McCoy; Shaocheng Xie

2010-08-11T23:59:59.000Z

179

ARM Climate Modeling Best Estimate from Nauru (ARMBE-CLDRAD TWPC2 V2.1)  

SciTech Connect

The ARM CMBE-ATM [Xie, McCoy, Klein et al.] data file contains a best estimate of several selected atmospheric quantities from ACRF observations and NWP analysis data.

Renata McCoy; Shaocheng Xie

2010-08-11T23:59:59.000Z

180

ARM Climate Modeling Best Estimate Lamont, OK (ARMBE-CLDRAD SGPC1)  

SciTech Connect

The ARM CMBE-ATM [Xie, McCoy, Klein et al.] data file contains a best estimate of several selected atmospheric quantities from ACRF observations and NWP analysis data.

Renata McCoy; Shaocheng Xie

2012-05-14T23:59:59.000Z

Note: This page contains sample records for the topic "maureen klein 202-586-8013" 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
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181

ARM Climate Modeling Best Estimate Barrow, AK (ARMBE-CLDRAD NSAC1)  

SciTech Connect

The ARM CMBE-ATM [Xie, McCoy, Klein et al.] data file contains a best estimate of several selected atmospheric quantities from ACRF observations and NWP analysis data.

Renata McCoy; Shaocheng Xie

2012-05-14T23:59:59.000Z

182

ARM Climate Modeling Best Estimate Barrow, AK with additional satellite product (ARMBE-CLDRAD NSAC1 V2.1a)  

SciTech Connect

The ARM CMBE-ATM [Xie, McCoy, Klein et al.] data file contains a best estimate of several selected atmospheric quantities from ACRF observations and NWP analysis data.

Renata McCoy; Shaocheng Xie

2011-02-07T23:59:59.000Z

183

ARM Climate Modeling Best Estimate from Nauru with additional satellite product (ARMBE-CLDRAD TWPC2 V2.1a)  

SciTech Connect

The ARM CMBE-ATM [Xie, McCoy, Klein et al.] data file contains a best estimate of several selected atmospheric quantities from ACRF observations and NWP analysis data.

Renata McCoy; Shaocheng Xie

2011-02-07T23:59:59.000Z

184

ARM Climate Modeling Best Estimate from Darwin, AU with additional satellite product (ARMBE-CLDRAD TWPC3 V2.1a)  

SciTech Connect

The ARM CMBE-ATM [Xie, McCoy, Klein et al.] data file contains a best estimate of several selected atmospheric quantities from ACRF observations and NWP analysis data.

Renata McCoy; Shaocheng Xie

2011-02-07T23:59:59.000Z

185

ISOTOPES  

E-Print Network (OSTI)

Klein and S.V. Peterson, May 9-ll, 1973, Argonne NationalLaboratory, Argonne, Illinois (1973). 97. R.A. Muller,S.V. Peterson, May 9-11, 1973, Argonne National Laboratory,

Lederer, C. Michael

2013-01-01T23:59:59.000Z

186

ARM Climate Modeling Best Estimate From Manus Island, PNG (ARMBE-ATM TWPC1)  

SciTech Connect

The ARM CMBE-ATM [Xie, McCoy, Klein et al.] data file contains a best estimate of several selected atmospheric quantities from ACRF observations and NWP analysis data.

Renata McCoy; Shaocheng Xie; ,

2013-12-26T23:59:59.000Z

187

ARM Climate Modeling Best Estimate From Darwin, AU (ARMBE-ATM TWPC3)  

SciTech Connect

The ARM CMBE-ATM [Xie, McCoy, Klein et al.] data file contains a best estimate of several selected atmospheric quantities from ACRF observations and NWP analysis data.

Renata McCoy; Shaocheng Xie; ,

2013-12-27T23:59:59.000Z

188

ARM Climate Modeling Best Estimate Barrow, AK (ARMBE-ATM NSAC1 V4)  

SciTech Connect

The ARM CMBE-ATM [Xie, McCoy, Klein et al.] data file contains a best estimate of several selected atmospheric quantities from ACRF observations and NWP analysis data.

Renata McCoy; Shaocheng Xie; ,

2013-12-26T23:59:59.000Z

189

ARM Climate Modeling Best Estimate Lamont, OK (ARMBE-ATM SGPC1)  

SciTech Connect

The ARM CMBE-ATM [Xie, McCoy, Klein et al.] data file contains a best estimate of several selected atmospheric quantities from ACRF observations and NWP analysis data.

Renata McCoy; Shaocheng Xie; ,

2013-12-26T23:59:59.000Z

190

ARM Climate Modeling Best Estimate From Darwin, AU (ARMBE-ATM TWPC2)  

SciTech Connect

The ARM CMBE-ATM [Xie, McCoy, Klein et al.] data file contains a best estimate of several selected atmospheric quantities from ACRF observations and NWP analysis data.

Renata McCoy; Shaocheng Xie; ,

2013-12-26T23:59:59.000Z

191

ARM Climate Modeling Best Estimate Lamont, OK (ARMBE-CLDRAD SGPC1)  

DOE Data Explorer (OSTI)

The ARM CMBE-ATM [Xie, McCoy, Klein et al.] data file contains a best estimate of several selected atmospheric quantities from ACRF observations and NWP analysis data.

Renata McCoy; Shaocheng Xie

192

ARM Climate Modeling Best Estimate from Manus Island, PNG with additional satellite product (ARMBE-CLDRAD TWPC1 V2.1a)  

DOE Data Explorer (OSTI)

The ARM CMBE-ATM [Xie, McCoy, Klein et al.] data file contains a best estimate of several selected atmospheric quantities from ACRF observations and NWP analysis data.

Renata McCoy; Shaocheng Xie

193

ARM Climate Modeling Best Estimate from Darwin, AU (ARMBE-CLDRAD TWPC3 V2.1)  

DOE Data Explorer (OSTI)

The ARM CMBE-ATM [Xie, McCoy, Klein et al.] data file contains a best estimate of several selected atmospheric quantities from ACRF observations and NWP analysis data.

Renata McCoy; Shaocheng Xie

194

ARM Climate Modeling Best Estimate from Darwin, AU with additional satellite product (ARMBE-CLDRAD TWPC3 V2.1a)  

DOE Data Explorer (OSTI)

The ARM CMBE-ATM [Xie, McCoy, Klein et al.] data file contains a best estimate of several selected atmospheric quantities from ACRF observations and NWP analysis data.

Renata McCoy; Shaocheng Xie

195

ARM Climate Modeling Best Estimate Lamont, OK (ARMBE-CLDRAD SGPC1)  

DOE Data Explorer (OSTI)

The ARM CMBE-CLDRAD [Xie, McCoy, Klein et al.] data file contains a best estimate of several selected cloud and radiation relevant quantities from ACRF observations

Renata McCoy; Shaocheng Xie

196

ARM Climate Modeling Best Estimate Barrow, AK (ARMBE-CLDRAD NSAC1 V2.1)  

DOE Data Explorer (OSTI)

The ARM CMBE-ATM [Xie, McCoy, Klein et al.] data file contains a best estimate of several selected atmospheric quantities from ACRF observations and NWP analysis data.

Renata McCoy; Shaocheng Xie

197

ARM Climate Modeling Best Estimate from Nauru (ARMBE-CLDRAD TWPC2)  

DOE Data Explorer (OSTI)

The ARM CMBE-ATM [Xie, McCoy, Klein et al.] data file contains a best estimate of several selected atmospheric quantities from ACRF observations and NWP analysis data.

Renata McCoy; Shaocheng Xie

198

ARM Climate Modeling Best Estimate from Nauru (ARMBE-CLDRAD TWPC3)  

DOE Data Explorer (OSTI)

The ARM CMBE-ATM [Xie, McCoy, Klein et al.] data file contains a best estimate of several selected atmospheric quantities from ACRF observations and NWP analysis data.

Renata McCoy; Shaocheng Xie

199

ARM Climate Modeling Best Estimate from Manus Island, PNG (ARMBE-CLDRAD TWPC1 V2.1)  

DOE Data Explorer (OSTI)

The ARM CMBE-ATM [Xie, McCoy, Klein et al.] data file contains a best estimate of several selected atmospheric quantities from ACRF observations and NWP analysis data.

Renata McCoy; Shaocheng Xie

200

ARM Climate Modeling Best Estimate from Nauru (ARMBE-CLDRAD TWPC2 V2.1)  

DOE Data Explorer (OSTI)

The ARM CMBE-ATM [Xie, McCoy, Klein et al.] data file contains a best estimate of several selected atmospheric quantities from ACRF observations and NWP analysis data.

Renata McCoy; Shaocheng Xie

Note: This page contains sample records for the topic "maureen klein 202-586-8013" 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.


201

ARM Climate Modeling Best Estimate Barrow, AK (ARMBE-CLDRAD NSAC1)  

DOE Data Explorer (OSTI)

The ARM CMBE-ATM [Xie, McCoy, Klein et al.] data file contains a best estimate of several selected atmospheric quantities from ACRF observations and NWP analysis data.

Renata McCoy; Shaocheng Xie

202

ARM Climate Modeling Best Estimate Barrow, AK with additional satellite product (ARMBE-CLDRAD NSAC1 V2.1a)  

DOE Data Explorer (OSTI)

The ARM CMBE-ATM [Xie, McCoy, Klein et al.] data file contains a best estimate of several selected atmospheric quantities from ACRF observations and NWP analysis data.

Renata McCoy; Shaocheng Xie

203

ARM Climate Modeling Best Estimate from Nauru with additional satellite product (ARMBE-CLDRAD TWPC2 V2.1a)  

DOE Data Explorer (OSTI)

The ARM CMBE-ATM [Xie, McCoy, Klein et al.] data file contains a best estimate of several selected atmospheric quantities from ACRF observations and NWP analysis data.

Renata McCoy; Shaocheng Xie

204

ARM Climate Modeling Best Estimate from Nauru (ARMBE-CLDRAD TWPC1)  

DOE Data Explorer (OSTI)

The ARM CMBE-ATM [Xie, McCoy, Klein et al.] data file contains a best estimate of several selected atmospheric quantities from ACRF observations and NWP analysis data.

Renata McCoy; Shaocheng Xie

205

On the toughening of brittle materials by grain bridging: promoting intergranular fracture through grain angle, strength, and toughness  

E-Print Network (OSTI)

is grateful for the support of Sandia National Laboratories,operated by Sandia Corporation, a Lockheed Martin Company,Klein c , R.O. Ritchie d,e, ? a Sandia b Department National

Foulk III, J.W.; Johnson, G.C.; Klein, P.A.; Ritchie, R.O.

2008-01-01T23:59:59.000Z

206

ACCESS Magazine Spring 2003  

E-Print Network (OSTI)

B. Klein Bringing Electric Cars to Market Daniel SperlingFielding Who Will Buy Electric Cars? Thomas Turrentine CanCalifornia: The Detroit of Electric Cars? Allen J. Scott New

Cervero, Robert; Gottlieb, Robert; Hall, Peter V.; Loukaitou-Sideris, Anastasia; Sciara, Gian-Claudia; Wachs, Martin

2003-01-01T23:59:59.000Z

207

Browse by Discipline -- E-print Network Subject Pathways: Fission and  

Office of Scientific and Technical Information (OSTI)

L M N O P Q R S L M N O P Q R S T U V W X Y Z Kaiser, David (David Kaiser) - Program in Science, Technology, and Society & Department of Physics, Massachusetts Institute of Technology (MIT) Kastens, Kim Anne (Kim Anne Kastens) - Lamont-Doherty Earth Observatory & Department of Earth and Environmental Sciences, Columbia University Kelly, Kevin (Kevin Kelly) - Department of Philosophy, Carnegie Mellon University Keniston, Kenneth (Kenneth Keniston) - Program in Science, Technology, and Society, Massachusetts Institute of Technology (MIT) Klahr, David (David Klahr) - Department of Psychology, Carnegie Mellon University Klein, Colin (Colin Klein) - Philosophy Department, University of Illinois at Chicago Klein, David (David Klein) - Department of Mathematics, California

208

Microsoft Word - CNMS UEC Meeting 09-26-08 minutes.doc  

NLE Websites -- All DOE Office Websites (Extended Search)

Tonya Klein, Scott Retterer, Mike Kilbey (ex-officio), Brian Holloway (by phone), Sandy Lowe, Tony Haynes and Linda Horton (on behalf of CNMS), and Tof Carim (from DOE)....

209

Antiparticle creation in tunneling  

E-Print Network (OSTI)

We study particle interaction with a Dirac step potential. In the standard Klein energy zone, the hypothesis of Klein pair production predicts the existence of free/oscillatory antiparticles. In this paper, we discuss the tunneling energy zone characterized by evanescent wave functions in the classically forbidden region. We ask the question of the nature, particle or antiparticle, of the densities within the classically forbidden region. The answer to this question is relevant to the correct form of the reflection coefficient.

Stefano De Leo; Pietro Rotelli

2013-10-03T23:59:59.000Z

210

Projective Relativity: Present Status and Outlook  

E-Print Network (OSTI)

We give a critical analysis of projective relativity theory. Examining Kaluza's own intention and the following development by Klein, Jordan, Pauli, Thiry, Ludwig and others, we conclude that projective relativity was abused in its own terms. Much more in the case of newer higher dimensional Kaluza--Klein theories with non-Abelian gauge groups. Reviewing the projective formulation of the Jordan isomorphy theorem yields some hints how one can proceed in a different direction. We can interpret the condition R5_{\\mu\

Bertfried Fauser

2000-11-04T23:59:59.000Z

211

ESH100.2.IH.9  

NLE Websites -- All DOE Office Websites (Extended Search)

9 9 Procedure Title Enter Confined Spaces Safely Procedure Manager HOOPER, LISA Z. Status Active Subject Matter Expert Paul E. Giering Maureen Mccullough Ainslie (CA) Applicability, Exceptions, and Consequences This procedure applies to all Members of the Workforce who participate in activities involving confined spaces and telecommunication field installations at all Sandia-controlled premises. All sites follow SNL/NM requirements unless specified otherwise in this procedure. A site (e.g., Tonopah Test Range, or Pantex) may use equivalent methods, services, and materials, if pre-approved by the Confined Space Subject Matter Expert. This procedure does not apply to: Excavations, such as trenches. Underground construction, such as a tunnel, shaft, chamber, and/or

212

ESH100.2.IH.13  

NLE Websites -- All DOE Office Websites (Extended Search)

3 3 Procedure Title Work with Injurious Corrosive Materials and Manage Safety Shower and Eyewash Use Procedure Manager HOOPER, LISA Z. Status Active Subject Matter Expert Ryann E. Washburn (Ryann Fisher) Maureen Mccullough Ainslie (CA) Applicability, Exceptions, and Consequences This corporate procedure applies to all Members of the Workforce who may be exposed to injurious corrosive materials and/or use safety showers and eyewashes at all Sandia-controlled premises. Exceptions to, or deviations from, this procedure must be approved through the Executive Policy Sponsor or Policy Area Manager, if delegated. Click here to view Contacts for Corporate Policies, Processes, and Procedures. See CG100.1.7, Request an Exception to a Policy, Process, or Procedure, for directions on how to obtain an exception to this procedure.

213

 

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

July 12, 2010 July 12, 2010 Ms. Maureen C. McLaughlin U.S. Department of Energy Office of General Counsel 1000 Independence Avenue, SW Room 6A245 Washington, DC 20585 Via: broadband@hq.doe.gov Re: Comments on NBP RFI: Data Access Introduction Consumers Union, 1 National Consumer Law Center, and Public Citizen submit the following comments in response to the U.S. Department of Energy (-DOE‖ or -Department‖) in the above-referenced matter. Comments I. Background Averting the disastrous consequences of global climate change will require a restructuring of U.S. (and global) electricity generation and delivery. 1 Consumers Union of United States, Inc., publisher of Consumer Reports®, is a nonprofit

214

Microsoft PowerPoint - DOE_Paris_Offices 2011.ppt  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Paris Offices Paris Offices US Mission to the Organization for Economic Cooperation and Development (USOECD) and the Bilateral Embassy/Paris Maureen Clapper December 13, 2011 Corporate Governance DOE Order 313.1, DOE Order 313.1, Management and Funding of the Department Management and Funding of the Department ' ' s s Overseas Presence (November 2009) ,established: Overseas Presence (November 2009) ,established: Overseas Presence Advisory Board Overseas Presence Advisory Board (OPAB) (OPAB) Provides policy oversight and ensures information sharing and Provides policy oversight and ensures information sharing and transparency transparency * * A/S and DAS equivalents from Program and Staff offices with A/S and DAS equivalents from Program and Staff offices with overseas equities overseas equities

215

Microsoft Word - ScoutVisitPolicy2013.docx  

NLE Websites -- All DOE Office Websites (Extended Search)

Scout Troop Visitation and Tour Policy Scout Troop Visitation and Tour Policy Fourth Grade and Above Scout groups may visit the bison and the Interpretative Trail without advance notice. General Information We encourage visits on school holidays and Saturdays. If you have questions about the activities associated with the badges, please contact Sue Sheehan at 630-840-5058 or sheehan@fnal.gov. To register for a badge session, contact Maureen Hix at 630-840-5588 or mhix@fnal.gov. Boy Scouts Conducted by a Fermilab docent, Boy Scouts may complete the Nuclear Science badge in a two-hour session. To satisfy one of the requirements of the Citizenship in the Nation badge, Boy Scouts may tour the Fermilab facility. There is a charge of $60.00/up to 20 scouts for each session. Webelos

216

United_CoolAir_Ex Parte Meeting Memo.pdf  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Rod Beever [mailto:rbeever@unitedcoolair.com] Rod Beever [mailto:rbeever@unitedcoolair.com] Sent: Friday, October 05, 2012 10:02 AM To: Cymbalsky, John; Adin, Lucas; Barhydt, Laura; Tong, Clarence Cc: Athar Khan; Neil Tucker; Jack Bardol; maureen_o'dea@casey.senate.gov; brett_doyle@toomey.senate.gov; kevin_stanton@casey.senate.gov Subject: Meeting 10-2-12 at DOE Thank you for providing the opportunity to meet with your group to discuss the regulations for commercial air conditioning as it relates to small business. Our conversation included the following: 1. An explanation about the definition of "Basic Model" and how it relates to the number of units to be tested. 2. The impact of how unit options can be handled in relation to how United CoolAir defines our Basic Models. 3. We discussed the fact that single phase units are not only residential, but are also applied in

217

Analysis of Aerosol Indirect Effects in California Coastal Stratus and Fog  

NLE Websites -- All DOE Office Websites (Extended Search)

Analysis of Aerosol Indirect Effects in California Coastal Stratus and Fog Analysis of Aerosol Indirect Effects in California Coastal Stratus and Fog Miller, Mark Brookhaven National Laboratory Kollias, Pavlos Brookhaven National Laboratory Bartholomew, Mary Jane Brookhaven National Laboratory Daum, Peter Brookhaven National Laboratory Dunn, Maureen Brookhaven National Laboratory Jensen, Michael Brookhaven National Laboratory Liu, Yangang Brookhaven National Laboratory Vogelmann, Andrew Brookhaven National Laboratory Andrews, Betsy NOAA/CMDL Ogren, John NOAA/CMDL Turner, David University of Wisconsin-Madison Category: Field Campaigns Impacts of aerosol indirect effects are considered too uncertain for inclusion in reports issued by the Intergovernmental Panel on Climate Change. A major reason for this uncertainty is an insufficient physical

218

PowerPoint Presentation  

NLE Websites -- All DOE Office Websites (Extended Search)

Coupling Between Oceanic Upwelling and Cloud Coupling Between Oceanic Upwelling and Cloud Coupling Between Oceanic Upwelling and Cloud - - Aerosol Properties Aerosol Properties at the AMF Point Reyes Site at the AMF Point Reyes Site Maureen Dunn , Mike Jensen , Pavlos Kollias , Mark Miller , Peter Daum Mary Jane Bartholomew , David Turner , Elisabeth Andrews and Anne Jefferson Introduction Ground based observations from the MASRAD, Pt. Reyes AMF July 1-Sept 15, 2005 indicate a relationship between coastal marine stratus cloud properties, boundary layer cloud condensation nuclei and the upwelling of cool oceanic waters measured at an offshore NOAA buoy. Cloud Drizzle to CCN Atmosphere to Cloud Upwelling SST to Atmosphere Conclusion Coastal marine stratus clouds increase in thickness as the underlying sea surface

219

Portsmouth Site Delivers First Radioactive Waste Shipment to Disposal  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Delivers First Radioactive Waste Shipment to Delivers First Radioactive Waste Shipment to Disposal Facility in Texas Portsmouth Site Delivers First Radioactive Waste Shipment to Disposal Facility in Texas August 27, 2013 - 12:00pm Addthis Waste management and transportation personnel worked late to complete the first shipment to WCS. Through a contract with DOE, WCS will treat and accept potentially hazardous waste that has been at the Portsmouth site for decades. Pictured (from left) are Scott Fraser, Joe Hawes, Craig Herrmann, Jim Book, John Lee, John Perry, Josh Knipp, Melissa Dunsieth, Randy Barr, Rick Williams, Janet Harris, Maureen Fischels, Cecil McCoy, Trent Eckert, Anthony Howard and Chris Ashley. Waste management and transportation personnel worked late to complete the first shipment to WCS. Through a contract with DOE, WCS will treat and

220

PowerPoint Presentation  

NLE Websites -- All DOE Office Websites (Extended Search)

Aerosol Dispersion Effect Aerosol Dispersion Effect 2. Droplet Dispersion Effect The First Aerosol Indirect Effect: Beyond Twomey 1. Twomey Effect and Problems Yangang Liu, Peter Daum, and Maureen Dunn Brookhaven National Laboratory (lyg@bnl.gov) In addition to warming effect, the droplet dispersion effect also has the feature that its magnitude is proportional to that of the Twomey effect; therefore, consideration of droplet dispersion effect works to reduce both the uncertainty and the discrepancy. However, the droplet dispersion effect alone is not enough to account for the problem. 4. Future Work To further quantify the two dispersion effects and their relative importance in determining the first aerosol indirect effect. Summary The traditional first aerosol indirect effect or the Twomey effect involves several fundamental assumptions. Some of the assumptions (e.g., constant liquid water content) are explicitly

Note: This page contains sample records for the topic "maureen klein 202-586-8013" 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
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221

2009 Renewable Energy Data Book, August 2010 (Book)  

NLE Websites -- All DOE Office Websites (Extended Search)

Renewable Energy Data Book Renewable Energy Data Book AUGUST 2010 Energy Efficiency & Renewable Energy Acknowledgments This report was produced by Rachel Gelman, edited by Michelle Kubik, and designed by Stacy Buchanan of the National Renewable Energy Laboratory (NREL). We greatly appreciate the input of Mike Cliggett and Carla Frisch of the U.S. Department of Energy; as well as Lynn Billman, Helena Chum, Dale Gardner, Maureen Hand, Roland Hulstrom, and Jordan Macknick of NREL. Front page background photo: Courtesy of NASA Front page inset photos (left to right): One through six, and eight - iStock; seven - PIX 17854 Pages 2, 6, 42, 56, 66, 74, 80, 86, 90, 98, 110, 118: iStock Page 16: PIX 14369 Page 94: PIX 17854 © 2010 U.S. Department of Energy Key Findings * Although renewable energy (excluding hydropower) is a relatively small portion of total energy

222

 

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

U.S. Department of Energy Office of the General Counsel 1000 Independence Avenue, SW Room 6A245 Washington, DC 20585 Attn: Maureen McLaughlin Re: NBP RFI: Data Access Ms. McLaughlin: The Consumer Electronics Association ("CEA") respectfully submits this response to the Department of Energy's ("DOE") Request for Information on Implementing the National Broadband Plan by Empowering Consumers and the Smart Grid: Data Access, Third Party Use, and Privacy ("RFI"). 1 CEA is the principal U.S. trade association of the consumer electronics and information technology industries. CEA's approximately 2,000 member companies include leading manufacturers and providers of consumer- and utility-facing smart grid products and

223

Op. Plt. Subc Rpt to NERAC visuals 1106.doc  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

OPERATING PLANT OPERATING PLANT SUBCOMMITTEE REPORT TO NERAC NERAC Meeting Washington, D.C. November 6, 2001 J. J. Taylor SUBCOMMITTEE ACTIVITIES ? Meetings: August 13 and September 19, 2001, by telephone conference ? Primary Purpose: Review and comment on the recommendations of the Coordinating Committee for FY 2002 projects for the NEPO Program. ? Present membership: Willliam Bohlke, Maureen Crandall, Robert Long, John Taylor, Neil Todreas DOE represented by BP Singh and Glenn Morris EPRI represented by Gary Toman ? New member: William Bohlke, VP, Exelon, replacing Greg Rueger, VP, Pacific Gas and Electric. Bohlke is new Chairman of Coordinating Committee and the EPRI Nuclear Power Council COORDINATING COMMITTEE RECOMMENDATIONS ? The Coordinating Committee met on August 13 and developed the FY 2002 project selection

224

C3Bio | U.S. DOE Office of Science (SC)  

NLE Websites -- All DOE Office Websites (Extended Search)

C3Bio C3Bio Energy Frontier Research Centers (EFRCs) EFRCs Home Centers Research Science Highlights News & Events Publications Contact BES Home Centers C3Bio Print Text Size: A A A RSS Feeds FeedbackShare Page Center for direct Catalytic Conversion of Biomass to Biofuels (C3Bio) Director(s): Maureen McCann Lead Institution: Purdue University Mission: To integrate fundamental knowledge and enable technologies for catalytic conversion of engineered biomass to advanced biofuels and value-added products. Research Topics: catalysis (homogeneous), catalysis (heterogeneous), biofuels (including algae and biomass), bio-inspired, materials and chemistry by design, synthesis (self-assembly), synthesis (scalable processing) Materials Studied: MATERIALS: metal, polymer, cellulose, biological (DNA, protein)

225

ESH100.2.IH.12  

NLE Websites -- All DOE Office Websites (Extended Search)

2 2 Procedure Title Control Food and Beverage Consumption in Hazardous Areas Procedure Manager HOOPER, LISA Z. Status Active Subject Matter Expert Michael Roth Maureen Mccullough Ainslie Applicability, Exceptions, and Consequences This corporate procedure applies to all Members of the Workforce who consume food and beverages in locations at Sandia-controlled premises. Exceptions to, or deviations from, this procedure must be approved through the Executive Policy Sponsor or Policy Area Manager, if delegated. Click here to view Contacts for Corporate Policies, Processes, and Procedures. See CG100.1.7, Request Exceptions to a Policy, Process, or Procedure, for directions on how to obtain an exception to this procedure. Granting or permitting exceptions or violations of policy, process, or

226

2012 National Electric Transmission Congestion Study - St. Louis Workshop |  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

St. Louis St. Louis Workshop 2012 National Electric Transmission Congestion Study - St. Louis Workshop On December 8, 2011, DOE hosted a regional pre-study workshop in St. Louis, MO to receive input and suggestions concerning the 2012 National Electric Transmission Congestion Study. The workshop flyer, agenda, presentations, and full transcript are available below. National Electric Transmission Congestion Study 2012 Eastern Workshops 12-08-11 Congestion Workshop Agenda - St Louis (final).pdf Introduction by David Meyer, DOE Presentation by Kevin Gunn, MO PSC.pdf Presentation by Jerry Lein, ND PSC.pdf Presentation by Tom Sloan, KS Legislature.pdf Presentation by Maureen Borkowski, Ameren.pdf Presentation by Laureen L Ross McCalib, Great River Energy.pdf Presentation by Dale Osborn, MISO.pdf

227

Microsoft Word - 10 0726 Letter re DOE NBP RFI on Data Access w resolution.docx  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

July 26, 2010 July 26, 2010 Maureen C. McLaughlin VIA E-Mail: broadband@hq.doe.gov Senior Legal Advisor to the General Counsel Office of the General Counsel 1000 Independence Avenue, SW., Room 6A245 Washington, DC 20585. RE: NBP RFI: Data Access In the Matter of Implementing the National Broadband Plan by Empowering Consumers and the Smart Grid; Data Access, Third Party Use, and Privacy, 75 Federal Register 33611 (June 14, 2010). Dear Ms. McLaughlin: On May 11, 2010, the Department of Energy (DOE) published a Request for Information seeking comments from interested parties to assist DOE in understanding current and potential practices and policies for States and other entities to empower consumers (and perhaps others)

228

STATE OF NEW YORK DEPARTMENT OF PUBLIC SERVICE THREE EMPIRE STATE PLAZA, ALBANY, NY 12223-1350  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

NEW YORK DEPARTMENT OF PUBLIC SERVICE NEW YORK DEPARTMENT OF PUBLIC SERVICE THREE EMPIRE STATE PLAZA, ALBANY, NY 12223-1350 www.dps.ny.gov PUBLIC SERVICE COMMISSIO~ PETER McGOWAN GARRY A. BROWN General Counsel Chairman PATRICIA L. ACAMPORA MAUREEN F. HARRIS JACLYN A, BRILLING ROBERT E. CURRY JR. Secretary JAMES L. LAROCCA Commissioners January 31, 2012 FILED ELECTRONICALLY @ http://energy.gov/oelcongestion-study-2012 Office of Electricity Delivery and Energy Reliability, OE-20 U.S. Department of Energy 1000 Independence Avenue, SW Washington, D.C. i0585 Re: Preparation ofthe 2012 Congestion Study Dear Sir or Madam: I am writing in response to the Notice of Regional Workshops and Request For Written Comments, 76 Federal Register No. 218, 70122 (November 10,2011). Enclosed please find the comments of

229

Re: Ex parte communication | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Re: Ex parte communication Re: Ex parte communication Re: Ex parte communication On April 20, 2010, Scott Bates, Corporate Vice President and General Counsel, and Karen Meyers, Director of Government Affairs, both of the Rheem Manufacturing Company ("Rheem"), accompanied by their counsel, Bill Anaya of Alston & Bird, LLP, met with Department of Energy ("DOE") officials Scott Harris, General Counsel, Maureen McLaughlin, Special Assistant to the General Counsel, and Stephanie Weiner, Special Assistant, Office of the General Counsel. At the meeting, Rheem applauded the leadership being provided by the Office of the General Counsel across a broad portfolio of policies and initiatives. Participants discussed Rheem's engagement as a company that brings a broad range of products, including air conditioners, furnaces,

230

Re: Ex parte communication | Department of Energy  

NLE Websites -- All DOE Office Websites (Extended Search)

Ex parte communication Ex parte communication Re: Ex parte communication On April 20, 2010, Scott Bates, Corporate Vice President and General Counsel, and Karen Meyers, Director of Government Affairs, both of the Rheem Manufacturing Company ("Rheem"), accompanied by their counsel, Bill Anaya of Alston & Bird, LLP, met with Department of Energy ("DOE") officials Scott Harris, General Counsel, Maureen McLaughlin, Special Assistant to the General Counsel, and Stephanie Weiner, Special Assistant, Office of the General Counsel. At the meeting, Rheem applauded the leadership being provided by the Office of the General Counsel across a broad portfolio of policies and initiatives. Participants discussed Rheem's engagement as a company that brings a broad range of products, including air conditioners, furnaces,

231

ESH100.2.IH.4  

NLE Websites -- All DOE Office Websites (Extended Search)

4 4 Procedure Title Evaluate and Control Chemical Hazards Procedure Manager HOOPER, LISA Z. Status Active Subject Matter Expert Richard W. Lykins (Rich) Maureen Mcullough Ainslie (CA) Applicability, Exceptions, and Consequences This corporate procedure applies to all Members of the Workforce who acquire, use, store, produce, import, or distribute chemicals at Sandia-controlled premises. This procedure serves as the Sandia National Laboratories (SNL) Hazard Communication Program (HCP), and the SNL Chemical Hygiene Plan (CHP). The subject matter expert for this procedure is the Sandia Chemical Hygiene Officer. This procedure does not apply to the following materials: Articles. Hazardous waste. Any hazardous substance that is the focus of remedial or removal action being conducted under the Comprehensive Environmental Response

232

Grid Net, Inc. Comments to DOE RFI 2010-11129  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Net, Inc. Comments to DOE RFI 2010-11129 2010 Net, Inc. Comments to DOE RFI 2010-11129 2010 DOE RFI 2010-11129 NBP RFI: Communications Requirements Titled "Implementing the National Broadband Plan by Studying the Communications Requirements of Electric Utilities to Inform Federal Smart Grid Policy" Submitted by Grid Net, Inc. July 12, 2010 Attention: Maureen C. McLaughlin, Senior Legal Advisor to the General Counsel Grid Net, Inc. Comments to DOE RFI 2010-11129 2010 Summary and Highlights Thank you for the opportunity to provide comments for the Department of Energy RFI 2010-11129, our detailed responses to your questions are below for your consideration. The key points we'd like to get

233

Portsmouth Site Delivers First Radioactive Waste Shipment to Disposal  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Portsmouth Site Delivers First Radioactive Waste Shipment to Portsmouth Site Delivers First Radioactive Waste Shipment to Disposal Facility in Texas Portsmouth Site Delivers First Radioactive Waste Shipment to Disposal Facility in Texas August 27, 2013 - 12:00pm Addthis Waste management and transportation personnel worked late to complete the first shipment to WCS. Through a contract with DOE, WCS will treat and accept potentially hazardous waste that has been at the Portsmouth site for decades. Pictured (from left) are Scott Fraser, Joe Hawes, Craig Herrmann, Jim Book, John Lee, John Perry, Josh Knipp, Melissa Dunsieth, Randy Barr, Rick Williams, Janet Harris, Maureen Fischels, Cecil McCoy, Trent Eckert, Anthony Howard and Chris Ashley. Waste management and transportation personnel worked late to complete the

234

NCEM National Center for Electron Microscopy: Microscopes and Facilities:  

NLE Websites -- All DOE Office Websites (Extended Search)

SPLEEM SPLEEM Publications Imaging Spin Reorientation Transitions in Consecutive Atomic Co layers, Farid El Gabaly, Silvia Gallego, M. Carmen Munoz, Laszlo Szunyogh, Peter Weinberger, Kevin F. McCarty, Christof Klein, Andreas K. Schmid, Juan de la Figuera, submitted Direct imaging of spin-reorientation transitions in ultra-thin Ni films by spin-polarized low-energy electron microscopy, C. Klein, A. K. Schmid, R. Ramchal, and M. Farle, submitted Controlling the kinetic order of spin-reorientation transitions in Ni/Cu(100) films by tuning the substrate step-structure, C. Klein, R. Ramchal, A.K. Schmid, M. Farle, submitted Self-organization and magnetic domain microstructure of Fe nanowire arrays, N. Rougemaille and A.K. Schmid, submitted Self-Assembled Nanofold Network Formation on Layered Crystal Surfaces

235

#134860 v1 - NERAC MAY 04 MINUTESw-oredline.doc  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

May 18-19, 2004 May 18-19, 2004 Georgetown University Conference Center, Washington, D.C. NERAC members present: John Ahearne, Vice Chairman Robert L. Long Thomas B. Cochran William F. Martin, Chairman Joseph R. Comfort Warren F. Miller Michael L. Corradini Sekazi K. Mtingwa Jose Luis M. Cortez Jerry Paul Allen G. Croff Harold B. Ray Marvin S. Fertel Richard Reba (Tuesday only) Beverly K. Hartline Joy Lynn Rempe Silvia S. Jurrison (Tuesday only) Michael B. Sellman Andrew C. Klein Allen L. Sessoms Dale E. Klein (Tuesday only) Neil Todreas (Tuesday only) NERAC members absent: Steve Fetter Daniel C. Sullivan Richard A. Meserve Charles E. Till Also participating:

236

The Green function for thermal waves induced by attosecond laser pulses in one and three dimensions  

E-Print Network (OSTI)

In this paper the solution of the hyperbolic Klein-Gordon thermal equation are obtained and discussed. The analytical form of the solution - Green functions are calculated for one and three dimensional cases. It is shown that only in three dimensional case the undisturbed, with one value of the velocity, thermal wave can be generated by attosecond laser pulses. The conductivity for the space-time inside the atom is calculated and the value sigma_0=10^6 1/(Omega m) is obtained. Key words: Attosecond laser pulses; Klein-Gordon equation; Green functions.

J. Marciak-Kozlowska; M. Kozlowski

2004-03-13T23:59:59.000Z

237

On the hydrino state of the relativistic hydrogen atom  

E-Print Network (OSTI)

The Klein-Gordon equation of the hydrogen atom has a low-lying eigenstate, called hydrino state, with square integrable wavefunction. The corresponding spinor solution of Dirac's equation is not square integrable. For this reason the hydrino state has been rejected in the early days of quantum mechanics as being unphysical. Maybe it is time to change opinion.

Jan Naudts

2005-07-27T23:59:59.000Z

238

A minimal coupling method for dissipative quantum systems  

E-Print Network (OSTI)

Quantum dynamics of a general dissipative system investigated by its coupling to a Klein-Gordon type field as the environment by introducing a minimal coupling method. As an example, the quantum dynamics of a damped three dimensional harmonic oscillator investigated and some transition probabilities indicating the way energy flows between the subsystems obtained. The quantum dynamics of a dissipative two level system considered.

F. Kheirandish; A. Amooshahi

2005-07-20T23:59:59.000Z

239

Complexe Processen in Eenvoudige Ijzen De eerste chemie  

E-Print Network (OSTI)

1 Complexe Processen in Eenvoudige Ijzen De eerste chemie Veertien miljard jaar geleden ontstaat zware elementen evenals kleine stofdeeltjes gaat bevatten. De organis- che chemie die we op Aarde kennen processen die de chemie in een proto-planetaire schijf sturen. #12;2 a) b) c) d) e) f) 10 pc 1 pc 10000 AU

van den Brink, Jeroen

240

Euclid's Windows and our Mirrors Review of Euclid's Window by Leonard Mlodinow  

E-Print Network (OSTI)

for the cardboard figures that he paints. Disoriented by ideas and by individuals whose feelings and behavior the author about the material, I certainly found it an occasion to reflect on what I would have liked; particles and fields; Kaluza-Klein and the introduction of additional di- mensions; the function of "strings

Note: This page contains sample records for the topic "maureen klein 202-586-8013" 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.
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241

Currency Crises, Capital Account Liberalization, and Selection Bias  

E-Print Network (OSTI)

4) December, pp. 639-687. Edison, H.J. , M. Klein, L. Ricci,No. 9100. Cambridge, MA. Edison, H.J. , and C.M. Reinhart,System. Washington, DC. Edison, H.J. , and C.M. Reinhart,

Glick, Reuven; Guo, Xueyan; Hutchison, Michael M.

2004-01-01T23:59:59.000Z

242

IndIvIdual and Inter-populatIon varIatIon In afrIcan rock pIpIt Anthus crenAtus songs  

E-Print Network (OSTI)

(karoo or grassland plains) and songs differ both between individuals and between the populations (see°E line of longitude that may suggest the development of a rift between the Karoo forms of ARP the Great and Klein Karoo (Clancey 1997, Peacock 2006). However, it needs to be confirmed that this gap

de Villiers, Marienne

243

Geometrical Methods in Gauge Theory  

E-Print Network (OSTI)

In this work we explore the geometrical interpretation of gauge theories through the formalism of fiber bundles. Moreover, we conduct an investigation in the topology of fiber bundles, providing a proof of the Classification Theorem. In the last chapter we present some applications, such as electromagnetism and generalized Kaluza-Klein Theory.

Henrique de A. Gomes

2006-10-25T23:59:59.000Z

244

INSPIRING GENERATIONS THROUGH KNOWLEDGE AND DISCOVERY Highlights of New Discoveries and Research Initiatives  

E-Print Network (OSTI)

, as seen with the new Solar Dynamics Observatory satellite. #12; 9 Air and Space Museum researcher, Sharing Our Heritage. #12; 2 Hirshhorn's Yves Klein: With the Void, Full Powers culminates sevenyear, Full Powers, the first United States retrospective of the noted French artist's work in nearly 30

Mathis, Wayne N.

245

Dynamics of the orientation of active and passive scalars in two-dimensional turbulence  

E-Print Network (OSTI)

Dynamics of the orientation of active and passive scalars in two-dimensional turbulence G. Lapeyre orientations obtained in the adiabatic approximation by Lapeyre et al. Phys. Fluids 11, 3729 1999 and Klein et with the equilibrium orientation than the vorticity gradient does, while the opposite is true in effective

Lapeyre, Guillaume

246

Ideal gas matching for thermal Galilean holography  

E-Print Network (OSTI)

We exhibit a nonrelativistic ideal gas with a Kaluza-Klein tower of species, featuring a singular behavior of thermodynamic functions at zero chemical potential. In this way, we provide a qualitative match to the thermodynamics of recently found black holes in backgrounds with asymptotic nonrelativistic conformal symmetry.

Jose L. F. Barbon; Carlos A. Fuertes

2009-03-26T23:59:59.000Z

247

New rules in the workplace: Applying object-relations theory to explain problem Internet and email behaviour in the workplace  

Science Conference Proceedings (OSTI)

While the Internet and email can be great assets to an organisation, especially in respect to creating new knowledge, nonetheless a number of problems have accompanied the introduction of the Internet into the workplace. Some of these problems include: ... Keywords: Bollas, Cyber-harassment, Cyberslacking, Internet, Klein, Netiquette, Object-relations, Organisations, Serres, Surveillance, Winnicott, Workplace

Monica T. Whitty; Adrian N. Carr

2006-03-01T23:59:59.000Z

248

J. Fluid Mech. (2005), vol. 529, pp. 97116. c 2005 Cambridge University Press doi:10.1017/S0022112004003271 Printed in the United Kingdom  

E-Print Network (OSTI)

energy transfers. 1. Introduction It is well-established in the theory of geophysical fluid dynamics for this is the natural trend of two-dimensional dynamics to generate organized structures, namely coherent shears. & Lifshitz, E. 1971 M´ecanique des Fluides. ´Editions Mir. Lapeyre, G., Hua, B. L. & Klein, P. 2001 Dynamics

Dubos, Thomas

249

Relativistic Coulomb Green's function in $d$-dimensions  

E-Print Network (OSTI)

Using the operator method, the Green's functions of the Dirac and Klein-Gordon equations in the Coulomb potential $-Z\\alpha/r$ are derived for the arbitrary space dimensionality $d$. Nonrelativistic and quasiclassical asymptotics of these Green's functions are considered in detail.

Lee, R N; Terekhov, I S

2011-01-01T23:59:59.000Z

250

LETTER TO THE EDITOR Forces between Mica Surfaces in PEO/Water and PEO/Toluene Solutions  

E-Print Network (OSTI)

In a recent paper ( 1) Marra and Hair present results on force-distance profiles between mica surfaces in a PEO/water solution) indicated that the PEO was aggregating from the solution and that ad- sorption, R. K., and White, L. R., J. Colloid Interface Sci. 78, 430 (1980). 3. Klein, J., and Luckham, P. F

Klein, Jacob

251

Graduate Programs in the Biomedical Sciences  

E-Print Network (OSTI)

structure and channel activity. We use a combination of techniques including site-directed mutagenesis, H Xiao, BJ Nolen, R Hogue Angeletti, TD Pollard, SC Almo (2009) Nucleotide and activator- dependent: Cooperman NA, Arnsten JH, Klein RS. Current sexual activity and risky sexual behavior in older men

Brown, Lucy L.

252

H.C. PAUL Lee Department of Physics and Institute for Systems Biology and Bioinformatics  

E-Print Network (OSTI)

. H.C. Lee "Neutral current and the nuclear scattering of reactor antineutrinos" Nucl. Phys. A294 to Kaluza-Klein Theories" (Book) (World Scientific, 1984), 320pp. H.C. Lee "Nuclear charge, convection, "Quantum holonomy in three-dimensional general covariant field theory and link invariant" Phys. Rev. D56

Lee, H.C. Paul

253

--No Title--  

NLE Websites -- All DOE Office Websites (Extended Search)

10.1016j.pscychresns.2012.01.001. Epub 2012 Jul 26. (2012 Jul 30). PubMed Shumay E., Fowler J.S., Wang G.J., Logan J., Alia-Klein N., Goldstein R.Z., Maloney T., Wong C., and...

254

#2-G. Camacho D;1-0 #2-G. Camacho M;11-1  

E-Print Network (OSTI)

(Elmhurst) Tyler Hernandez (Augustana) Juan Diaz (Lakeland) BYE Ryan Klein (Univ Chicago) Brian Trader (MSOE-Elroy Perkins (UW Whitewater) Tyler Hernandez (Augustana) T. Hernandez BYE Matt Ostovich (MSOE) BYE E. Mc D;10-5 M. Palmisano D;10-3 #1-D. Wozniak F;4:42 M. Harmon D;10-5 #1-D. Wozniak #1-Dustin Wozniak (UW

LaRiviere, Patrick

255

COLLEGE OF ARTS & SCIENCES DEAN'S LIST SPRING 2012  

E-Print Network (OSTI)

(Elmhurst) Tyler Hernandez (Augustana) Juan Diaz (Lakeland) BYE Ryan Klein (Univ Chicago) Brian Trader (MSOE-Elroy Perkins (UW Whitewater) Tyler Hernandez (Augustana) T. Hernandez BYE Matt Ostovich (MSOE) BYE E. Mc D;10-5 M. Palmisano D;10-3 #1-D. Wozniak F;4:42 M. Harmon D;10-5 #1-D. Wozniak #1-Dustin Wozniak (UW

Holliday, Mark A.

256

New Mexico State University Department of Animal & Range Sciences  

E-Print Network (OSTI)

(Elmhurst) Tyler Hernandez (Augustana) Juan Diaz (Lakeland) BYE Ryan Klein (Univ Chicago) Brian Trader (MSOE-Elroy Perkins (UW Whitewater) Tyler Hernandez (Augustana) T. Hernandez BYE Matt Ostovich (MSOE) BYE E. Mc D;10-5 M. Palmisano D;10-3 #1-D. Wozniak F;4:42 M. Harmon D;10-5 #1-D. Wozniak #1-Dustin Wozniak (UW

Castillo, Steven P.

257

engineering engineering  

E-Print Network (OSTI)

(Elmhurst) Tyler Hernandez (Augustana) Juan Diaz (Lakeland) BYE Ryan Klein (Univ Chicago) Brian Trader (MSOE-Elroy Perkins (UW Whitewater) Tyler Hernandez (Augustana) T. Hernandez BYE Matt Ostovich (MSOE) BYE E. Mc D;10-5 M. Palmisano D;10-3 #1-D. Wozniak F;4:42 M. Harmon D;10-5 #1-D. Wozniak #1-Dustin Wozniak (UW

Endres. William J.

258

COLLEGE OF ARTS & SCIENCES DEAN'S LIST SPRING 2011  

E-Print Network (OSTI)

(Elmhurst) Tyler Hernandez (Augustana) Juan Diaz (Lakeland) BYE Ryan Klein (Univ Chicago) Brian Trader (MSOE-Elroy Perkins (UW Whitewater) Tyler Hernandez (Augustana) T. Hernandez BYE Matt Ostovich (MSOE) BYE E. Mc D;10-5 M. Palmisano D;10-3 #1-D. Wozniak F;4:42 M. Harmon D;10-5 #1-D. Wozniak #1-Dustin Wozniak (UW

Holliday, Mark A.

259

Neutron production by cosmicray muons at shallow depth F. Boehm, 3 J. Busenitz, 1 B. Cook, 3 G. Gratta, 4 H. Henrikson, 3 J. Kornis, 1 D. Lawrence, 2 K. B. Lee, 3 K. McKinny, 1  

E-Print Network (OSTI)

7 CHAPTER 1 PERSPECTIVES Since the discovery of the neutron in 1932 by Chadwick, neutron spectroscopy has advanced the development of nuclear physics and tools for nuclear technology (Firk, 1979; Brooks and Klein, 2002). The development of neutron generating sources, applications on detection

Gratta, Giorgio

260

Proceedings of the 2008 IFAC Workshop on Navigation, Guidance and Control of Underwater Vehicles  

E-Print Network (OSTI)

Proceedings of the 2008 IFAC Workshop on Navigation, Guidance and Control of Underwater Vehicles Autonomous Underwater Multivehicle Control with Limited Communication: Theory and Experiment Daniel J. Klein underwater vehicles linked via underwater communi- cation. By treating heading angle as oscillator phase

Morgansen, Kristi

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261

ProcessProcess EngineeringEngineeringThermodynamicsThermodynamicsProcessProcess EngineeringEngineeringThermodynamicsThermodynamics coursecourse # 424304.0# 424304.0 v.v. 20132013  

E-Print Network (OSTI)

.D. (WVU). Physical chemical processes, Nuclear waste management, Industrial and hazardous waste treatment, Biosensors, Biometrics. Ronald L. Klein, Ph.D. (U. Iowa). Automatic control, Estimation theory, System.D. CCDM program. Design and analysis of algorithms, Graph theory, Combinatorics. Katerina Goseva

Zevenhoven, Ron

262

July 1, 2009 College of Engineering and Mineral Resources  

E-Print Network (OSTI)

.D. (WVU). Physical chemical processes, Nuclear waste management, Industrial and hazardous waste treatment, Biosensors, Biometrics. Ronald L. Klein, Ph.D. (U. Iowa). Automatic control, Estimation theory, System.D. CCDM program. Design and analysis of algorithms, Graph theory, Combinatorics. Katerina Goseva

Mohaghegh, Shahab

263

Moving from Petroleum to Plants to Energize our World (A "Life at the Frontiers of Energy Research" contest entry from the 2011 Energy Frontier Research Centers (EFRCs) Summit and Forum)  

DOE Green Energy (OSTI)

'Moving from Petroleum to Plants to Energize our World' was submitted by the Center for Direct Catalytic Conversion of Biomass to Biofuels (C3Bio) to the 'Life at the Frontiers of Energy Research' video contest at the 2011 Science for Our Nation's Energy Future: Energy Frontier Research Centers (EFRCs) Summit and Forum. Twenty-six EFRCs created short videos to highlight their mission and their work. C3Bio, an EFRC directed by Maureen McCann at Purdue University is a partnership between five institutions: Purdue (lead), Argonne National Laboratory, National Renewable Energy Laboratory, Northeastern University, and the University of Tennessee. The Office of Basic Energy Sciences in the U.S. Department of Energy's Office of Science established the 46 Energy Frontier Research Centers (EFRCs) in 2009. These collaboratively-organized centers conduct fundamental research focused on 'grand challenges' and use-inspired 'basic research needs' recently identified in major strategic planning efforts by the scientific community. The overall purpose is to accelerate scientific progress toward meeting the nation's critical energy challenges.

McCann, Maureen (Director, Center for Direct Catalytic Conversion of Biomass to Biofuels); C3Bio Staff

2011-05-01T23:59:59.000Z

264

University of Manitoba Retirees Association Minutes of the Annual General Meeting  

E-Print Network (OSTI)

a. The Ad Hoc Committee on a Retirees Centre has been reactivated. b. UMRA has an office in the Alumni House with a telephone and computer. c. The winner of the logo competition is Maureen Johnston. She was presented with a life membership as the prize. 4. Reports a. President- Copies of the Presidents report were distributed. Coffee mugs with the new UMRA logo have been ordered. The Executive Committee has had a preliminary discussion about creating an UMRA scholarship. b. Communications Committee- John Mundie distributed the Committees report c. Benefits and Pensions Committee- Frits Stevens distributed the Committees report. In response to a members concern that the $1,000 per annum limit on dental claims was too low, Frits said that he would bring this matter to the attention of the committee. d. Membership Committee- Diane Biehl distributed the Committees report. Lois Brockman asked that a minute of silence be observed in honour of the memory of members who died in the past year. e. Treasurer- Jim Jamieson distributed copies of the Treasurers report on behalf of Doug MacEwan. i. Motion (D. MacEwan, J. Jamieson)- That Murray Hilton continue to act as auditor for 2007-08. Carried

Active Members; Present S. Barwinsky; G. Baureiss; D. Biehl; E. Bridges; L. Brockman; A. Brownell; V. Bruce; L. Campbell; N. Fetterman; H. Frank; A. Froese; J. Goldstein; I. Gusdal; J. Jamieson; M. Johnson; G. Lambert; H. Larimer; B. Mcdonald; J. Mundie; S. Onyshko; D. Punter; B. Renaud; H. Senyskiw; K. St; F. Stevens; S. Stothers; H. Thompson; V. Moroz; B. Watts; B. Webster; A. Wilson; Inactive Members; Present C. Goldstein; I. Hedlin; P. Newman; A. Onyshko; Guests I. Frank; M. Johnston; H. Wilson

2007-01-01T23:59:59.000Z

265

Time-Domain Electromagnetics At Kilauea East Rift Area (Thomas, 1986) |  

Open Energy Info (EERE)

Time-Domain Electromagnetics At Kilauea East Rift Time-Domain Electromagnetics At Kilauea East Rift Area (Thomas, 1986) Exploration Activity Details Location Kilauea East Rift Area Exploration Technique Time-Domain Electromagnetics Activity Date Usefulness useful DOE-funding Unknown Notes A series of time-domain electromagnetic (TDEM) soundings were also performed in the lower East Rift Zone as part of the HGP exploration program (Klein and Kauahikaua, 1975; Kauahikaua and Klein, 1977); this work was recently expanded to include additional TDEM and vertical electrical soundings, and the entire data set was reinterpreted (Kauahikaua, 1981b; Kauahikaua and Mattice, 1981). The resistivity model presented by Kauahikaua (1981b) suggests that moderate to high basement resistivities, corresponding to cold freshwater saturated basalts, are present north of

266

DRAFT  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

November 3-4, 2003 November 3-4, 2003 Crowne Plaza Hotel, Arlington, Virginia NERAC members present: John Ahearne, Vice Chairman Robert L. Long Thomas B. Cochran William F. Martin, Chairman Joseph R. Comfort Warren F. Miller Michael L. Corradini (Monday only) Sekazi K. Mtingwa Jose Luis M. Cortez Harold B. Ray Allen G. Croff Richard Reba Marvin S. Fertel Joy Lynn Rempe Beverly K. Hartline Michael B. Sellman Silvia S. Jurrison Allen L. Sessoms Andrew C. Klein Daniel C. Sullivan (Monday only) Dale E. Klein Neil E. Todreas NERAC members absent: Steve Fetter Jerry Paul Corbin McNeill Charles E. Till Richard A. Meserve Also participating: Arnold B. Baker, Chief Economist, Sandia National Laboratories

267

Results of Electric Survey in the Area of Hawaii Geothermal Test Well HGP-A  

Open Energy Info (EERE)

Electric Survey in the Area of Hawaii Geothermal Test Well HGP-A Electric Survey in the Area of Hawaii Geothermal Test Well HGP-A Jump to: navigation, search OpenEI Reference LibraryAdd to library Journal Article: Results of Electric Survey in the Area of Hawaii Geothermal Test Well HGP-A Abstract N/A Authors James Kauahikaua and Douglas Klein Published Journal Geothermal Resources Council, TRANSACTIONS, 1978 DOI Not Provided Check for DOI availability: http://crossref.org Online Internet link for Results of Electric Survey in the Area of Hawaii Geothermal Test Well HGP-A Citation James Kauahikaua,Douglas Klein. 1978. Results of Electric Survey in the Area of Hawaii Geothermal Test Well HGP-A. Geothermal Resources Council, TRANSACTIONS. 2:363-366. Retrieved from "http://en.openei.org/w/index.php?title=Results_of_Electric_Survey_in_the_Area_of_Hawaii_Geothermal_Test_Well_HGP-A&oldid=682499

268

Research Highlight  

NLE Websites -- All DOE Office Websites (Extended Search)

Evaluate the Diurnal Cycle in the Multiscale Modeling Framework Using Evaluate the Diurnal Cycle in the Multiscale Modeling Framework Using Satellite and ARM Data Download a printable PDF Submitter: Zhang, Y., Lawrence Livermore National Laboratory Klein, S., Lawrence Livermore National Laboratory Area of Research: General Circulation and Single Column Models/Parameterizations Working Group(s): Cloud Modeling Journal Reference: Zhang, Y, SA Klein, C Liu, B Tian, RT Marchand, JM Haynes, RB McCoy, Y Zhang, and TP Ackerman. 2008. "On the diurnal cycle of deep convection, high-level cloud, and upper troposphere water vapor in the Multiscale Modeling Framework." Journal of Geophysical Research 113, D16105, doi:10.1029/2008JD009905. Figure 1: Diurnal anomalies for tropical (left) ocean and (right) land: (top) the precipitation index (PI), high-level cloud (CLD) and upper

269

Nonrelativistic quantum dynamics on a cone with and without a constraining potential  

Science Conference Proceedings (OSTI)

In this paper we investigate the bound state problem of nonrelativistic quantum particles on a conical surface. This kind of surface appears as a topological defect in ordinary semiconductors as well as in graphene sheets. Specifically, we compare and discuss the results stemming from two different approaches. In the first one, it is assumed that the charge carriers are bound to the surface by a constraining potential, while the second one is based on the Klein-Gordon type equation on surfaces, without the constraining potential. The main difference between both theories is the presence/absence of a potential which contains the mean curvature of a given surface. This fact changes the dependence of the bound states on the angular momentum l. Moreover, there are bound states that are absent in the Klein-Gordon theory, which instead appear in the Schroedinger one.

Filgueiras, C. [Departamento de Fisica, Universidade Federal de Campina Grande, Caixa Postal 10071, 58109-970 Campina Grande-PB (Brazil); Silva, E. O. [Departamento de Fisica, Universidade Federal do Maranhao, Campus Universitario do Bacanga, 65085-580 Sao Luis-MA (Brazil); Andrade, F. M. [Departamento de Matematica e Estatistica, Universidade Estadual de Ponta Grossa, 84030-900 Ponta Grossa-PR (Brazil)

2012-12-15T23:59:59.000Z

270

Semilinear Hyperbolic Equations in Curved Spacetime  

E-Print Network (OSTI)

This is a survey of the author's recent work rather than a broad survey of the literature. The survey is concerned with the global in time solutions of the Cauchy problem for matter waves propagating in the curved spacetimes, which can be, in particular, modeled by cosmological models. We examine the global in time solutions of some class of semililear hyperbolic equations, such as the Klein-Gordon equation, which includes the Higgs boson equation in the Minkowski spacetime, de Sitter spacetime, and Einstein & de Sitter spacetime. The crucial tool for the obtaining those results is a new approach suggested by the author based on the integral transform with the kernel containing the hypergeometric function.\\\\ {\\bf Mathematics Subject Classification (2010):} Primary 35L71, 35L53; Secondary 81T20, 35C15.\\\\ {\\bf Keywords:} \\small {de Sitter spacetime; Klein-Gordon equation; Global solutions; Huygens' principle; Higuchi bound}

Karen Yagdjian

2013-05-19T23:59:59.000Z

271

Graphene Enabled Low-Control Quantum Gates between Static and Mobile Spins  

E-Print Network (OSTI)

We show that the feature of Klein tunneling makes graphene a unique interface for implementing low control quantum gates between static and mobile qubits. A ballistic electron spin is considered as the mobile qubit, while the static qubit is the electronic spin of a quantum dot fixed in a graphene nanoribbon. Scattering is the low control mechanism of the gate, which, in other systems, is really difficult to exploit because of both back-scattering and the momentum dependence of scattering. We find that Klein tunneling enables the implementation of quasi-deterministic quantum gates regardless of the momenta or the shape of the wave function of the incident electron. The Dirac equation is used to describe the system in the one particle approximation with the interaction between the static and the mobile spins modelled by a Heisenberg Hamiltonian. Furthermore, we discuss an application of this model to generate entanglement between two well separated static qubits.

G. Cordourier-Maruri; Y. Omar; R. de Coss; S. Bose

2013-06-30T23:59:59.000Z

272

Evaluating the MMF Using CloudSat  

NLE Websites -- All DOE Office Websites (Extended Search)

CloudSat, ARM, and the Multi CloudSat, ARM, and the Multi CloudSat, ARM, and the Multi - - scale scale Modeling Framework (MMF) in the Modeling Framework (MMF) in the Tropical Western Pacific Tropical Western Pacific Tom Ackerman Tom Ackerman University of Washington University of Washington Collaborators on the ARM Project Collaborators on the ARM Project Roger Marchand, U. Washington Roger Marchand, U. Washington Steve Klein, LLNL Steve Klein, LLNL Sally McFarlane, PNNL Sally McFarlane, PNNL Robert Pincus, U. Colorado (NY office) Robert Pincus, U. Colorado (NY office) Kuan Kuan - - Man Man Xu Xu , NASA Langley , NASA Langley Anning Anning Chen, Hampton University Chen, Hampton University Pete Henderson, U. Colorado Pete Henderson, U. Colorado Yunyan Zhang, LLNL Yunyan Zhang, LLNL

273

. -4 . ( 310-5  

E-Print Network (OSTI)

.0 1.5 2.0 2.5 3.0 0 1 2 3 4 5 6 dc/d,/10/c , dc/d / c 2. () (). . 2 , max. .. , .. , .. , .. , .. , .. , .. , .. , .. , .. , .. , .. , .. , .. , .. , .. , .. , .. , .. , .. , .. , .. , .. , .. , .. , .. . -4 // , 2010, 1, . 20­33. 2. R. Klein et al. Measurement of the BESSY II Electron Beam Energy Energy and Energy Spread Measurement by Compton Backscattering of Laser Radiation at the VEPP-4M Collider

274

Avoiding Negative Probabilities in Quantum Mechanics  

E-Print Network (OSTI)

As currently understood since its discovery, the bare Klein-Gordon theory consists of negative quantum probabilities which are considered to be physically meaningless if not outright obsolete. Despite this annoying setback, these negative probabilities are what led the great Paul Dirac in 1928 to the esoteric discovery of the Dirac Equation. The Dirac Equation led to one of the greatest advances in our understanding of the physical world. In this reading, we ask the seemingly senseless question, "Do negative probabilities exist in quantum mechanics?" In an effort to answer this question, we arrive at the conclusion that depending on the choice one makes of the quantum probability current, one will obtain negative probabilities. We thus propose a new quantum probability current of the Klein-Gordon theory. This quantum probability current leads directly to positive definite quantum probabilities. Because these negative probabilities are in the bare Klein-Gordon theory, intrinsically a result of negative energies, the fact that we here arrive at a theory with positive probabilities, means that negative energy particles are not to be considered problematic as is the case in the bare Klein-Gordon theory. From an abstract-objective stand-point; in comparison with positive energy particles, the corollary is that negative energy particles should have equal chances to exist. As to why these negative energy particles do not exist, this is analogous to asking why is it that Dirac's antimatter does not exist in equal proportions with matter. This problem of why negative energy particles do not exist in equal proportions with positive energy particles is a problem that needs to be solved by a future theory.

Golden Gadzirayi Nyambuya

2013-08-15T23:59:59.000Z

275

Thermodynamic potential for compactified bosonic strings  

E-Print Network (OSTI)

We discuss the inclusion of chemical potentials of the Kaluza-Klein charges in the partition function of the bosonic string with a compactified dimension on a circle. The construction of the thermodynamic potential is achieved by the path integral method at one-loop level. Duality symmetry in the dependence on compactification scale is examined. A modular-invariant expression for the thermodynamic potential is also presented.

Kiyoshi Shiraishi

2013-08-06T23:59:59.000Z

276

B{yields}{gamma}{gamma} in an Appelquist-Cheng-Dobrescu model  

Science Conference Proceedings (OSTI)

We present a full calculation of the amplitudes for B{sub d[s]}{yields}{gamma}{gamma} in a simple Appelquist-Cheng-Dobrescu model that extends an incomplete one in a previous paper. We find cancellations between the contributions from different Kaluza-Klein towers and a small decrease relative to the standard model predictions. It is conjectured that radiative QCD corrections might actually lead to an enhancement in the branching ratios and CP asymmetries, but no more than modest ones.

Bigi, I. I. [Department of Physics, University of Notre Dame du Lac, Notre Dame, Indiana 46556 (United States); Devidze, G. G.; Liparteliani, A. G. [Institute of High Energy Physics and Informatization, Tbilisi State University, 9 University Street, 0186 Tbilisi (Georgia); Meissner, U.-G. [Helmholtz-Institut fuer Strahlen- und Kernphysik (Theorie) and Bethe Center for Theoretical Physics, Universitaet Bonn, D-53115 Bonn (Germany); Forschungszentrum Juelich, Institut fuer Kernphysik (IKP-3) and Juelich Center for Hadron Physics, D-52425 Juelich (Germany)

2008-11-01T23:59:59.000Z

277

Dilatonic effects near naked singularities  

E-Print Network (OSTI)

Static spherically symmetric solutions of 4d Brans-Dicke theory include a set of naked singularity solutions. Dilatonic effects near the naked singularities result in either a shielding or an antishielding effect from intruding massive test particles. One result is that for a portion of the solution parameter space, no communication between the singularity and a distant observer is possible via massive particle exchanges. Kaluza-Klein gravity is considered as a special case.

J. R. Morris

2011-11-03T23:59:59.000Z

278

Hydrogen atom in phase space: The Wigner representation  

E-Print Network (OSTI)

We have found an effective method of calculating the Wigner function, being a quantum analogue of joint probability distribution of position and momentum, for bound states of nonrelativistic hydrogen atom. The formal similarity between the eigenfunctions of nonrelativistic hydrogen atom in the momentum representation and Klein-Gordon propagators has allowed the calculation of the Wigner function for an arbitrary bound state of the hydrogen atom. These Wigner functions for some low lying states are depicted and discussed.

L. Praxmeyer; J. Mostowski; K. Wodkiewicz

2005-04-06T23:59:59.000Z

279

AMIE (ACRF MJO Investigation Experiment)  

NLE Websites -- All DOE Office Websites (Extended Search)

AMIE AMIE (ACRF MJO Investigation Experiment) Planning Meeting AMIE Science Steering Committee Chuck Long, Tony DelGenio, Bill Gustafson, Bob Houze, Mike Jensen, Steve Klein, Ruby Leung, Xaihong Liu, Ed Luke, Peter May, Sally McFarlane, Pat Minnis, Courtney Schumacher, Andy Vogelmann, Yi Wang, Xiaoqing Wu, Shaohong Xie Agenda * Proposal due May 1 !!!!!! * Primary purpose of this meeting is discussions and planning in support of

280

Electroweak Precision Measurements and Collider Probes of the Standard Model with Large Extra Dimensions  

SciTech Connect

The elementary particles of the Standard Model may live in more than 3+1 dimensions. We study the consequences of large compactified dimensions on scattering and decay observables at high-energy colliders. Our analysis includes global fits to electroweak precision data, indirect tests at high-energy electron-positron colliders (LEP2 and NLC), and direct probes of the Kaluza-Klein resonances at hadron colliders (Tevatron and LHC). The present limits depend sensitively on the Higgs sector, both the mass of the Higgs boson and how many dimensions it feels. If the Higgs boson is trapped on a 3+1 dimensional wall with the fermions, large Higgs masses (up to 500 GeV) and relatively light Kaluza-Klein mass scales (less than 4 TeV) can provide a good fit to precision data. That is, a light Higgs boson is not necessary to fit the electroweak precision data, as it is in the Standard Model. If the Higgs boson propagates in higher dimensions, precision data prefer a light Higgs boson (less than 260 GeV), and a higher compactification scale (greater than 3.8 TeV). Future colliders can probe much larger scales. For example, a 1.5 TeV electron-positron linear collider can indirectly discover Kaluza-Klein excitations up to 31 TeV if 500 fb{sup {minus}1} integrated luminosity is obtained.

Rizzo, Thomas G.

1999-06-03T23:59:59.000Z

Note: This page contains sample records for the topic "maureen klein 202-586-8013" 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
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281

SSRL HEADLINES June 2011  

NLE Websites -- All DOE Office Websites (Extended Search)

2 June, 2011 2 June, 2011 __________________________________________________________________________ Contents of this Issue: From the Director of SSRL: Looking Ahead Science Highlight - Estimating Cr(VI) in Coal-Derived Fly-Ash Science Highlight - Staying One Step Ahead of Antibiotic Resistance Science Highlight - SSRL's Microfocus Macromolecular Crystallography Beam Line 12-2 First SSRL Pump-Probe Experiments Under Way SSRL X-rays Reveal Patterns in the Plumage of the First Birds Upcoming SSRL Events: Detectors, XRMS, 2011 Users' Conference Call for Nominations for Spicer and Klein Awards New SSRL Artwork Inspired by Science Talk User Administration Update Stig Hagström, Spectroscopy Pioneer, Dies at 78 In the News: Birds, Bacteria, SESAME __________________________________________________________________________

282

SSRL HEADLINES July 2010  

NLE Websites -- All DOE Office Websites (Extended Search)

1 July, 2010 1 July, 2010 ____________________________________________________________________________ Contents of this Issue: Science Highlight - Scientists Probe the Mechanism for Microbial Carbon Fixation Science Highlight - Chemical Analysis Shows an Ancient Ceramic Vessel was Broken and Burned in Cremation Burial First Results from the LCLS: Unpeeling Atoms and Molecules from the Inside Out From the Acting Director of SSRL: A Successful 2010 User Run 350 mA and Beyond... SLAC to Join New DOE Research Hub for Artificial Photosynthesis Annual SSRL/LCLS Users' Conference - Oct 17-21, 2010 Call for Nominations for Spicer, Klein and Lytle Awards User Administration Update New AT&T Cell Tower Online Peninsula Bridge Summer Program Student Tour ____________________________________________________________________________

283

Environmental Management Advisory Board - November 17, 2010, Public Teleconference Minutes  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

- November 17, 2010, Public Teleconference Minutes - November 17, 2010, Public Teleconference Minutes ENVIRONMENTAL MANAGEMENT ADVISORY BOARD PUBLIC TELECONFERENCE MINUTES November 17, 2010 Board members present: * Mr. James Ajello, Hawaiian Electric Industries, Inc. * Mr. A. James Barnes, Indiana University * Mr. Paul Dabbar, J.P. Morgan, Inc. * Mr. G. Brian Estes, Consultant * Dr. Dennis Ferrigno, CAF & Associates, LLC * Mr. Keith Klein, Consultant * Mr. John Owsley, Tennessee Department of Environment and Conservation * Mr. Willie Preacher, NCSL State and Tribal Government Working Group * Ms. Lessie Price, Aiken City Council * Mr. David Swindle, Federal Services/URS Corporation * Mr. Robert Thompson, Energy Communities Alliance Subcommittee members present: * Dr. Franklin Coffman, AECOM Government Services

284

SSRL HEADLINES July 2009  

NLE Websites -- All DOE Office Websites (Extended Search)

July, 2009 July, 2009 __________________________________________________________________________ Contents of this Issue: SSRL Initiates 200-mA Beam Line Operations Science Highlight - Molecular Mixing in Organic Solar Cells Science Highlight - Understanding Nature's Assembly of Molecules to Improve Tomorrow's Electronics New BL5 Branch Line Funded by DOE X-ray/VUV Beam Time Requests Due August 1 Register to Participate in the SSRL/LCLS Users' Conference - October 18-21, 2009 Submit Nominations for Spicer, Klein and Lytle Awards Call for User Science Posters and Outstanding Student Poster Competition SSRL Structural Molecular Biology Summer School - September 8-11, 2009 Vandalism at SSRL Provide Feedback Using User Portal __________________________________________________________________________

285

racette-99.PDF  

NLE Websites -- All DOE Office Websites (Extended Search)

Millimeter Wave Radiometric Arctic Millimeter Wave Radiometric Arctic Winter Experiment P. E. Racette and E. Kim National Aeronautics and Space Administration Goddard Space Flight Center Greenbelt, Maryland E. R. Westwater, Y. Han, and M. Klein CIRES, University of Colorado National Oceanic and Atmospheric Administration Environmental Technology Laboratory Boulder, Colorado A. Gasiewski National Oceanic and Atmospheric Administration Environmental Technology Laboratory Boulder, Colorado K. B. Widener Pacific Northwest National Laboratory Richland, Washington B. Zak Sandia National Laboratories Albuquerque, New Mexico Introduction The arctic is a highly variable and sensitive region in the global climate system. There is growing recognition that arctic climate conditions strongly influence the world climate. Furthermore, the arctic is

286

SSRL HEADLINES August 2008  

NLE Websites -- All DOE Office Websites (Extended Search)

2 August, 2008 2 August, 2008 __________________________________________________________________________ Contents of this Issue: Science Highlight - Lensless Nanoscale Imaging: Combining MAD Crystallography with X-Ray Holography Small, Fast, and Holographic Ajay Virkar to Receive 2008 Klein Professional Development Award How Plants Do It: Light, Oxygen, Action! Call for User Science Poster Abstracts for Joint SSRL/LCLS Users' Meeting and Workshops, October 15-18, 2008 Users Needed to Serve on the SSRL Users' Organization Executive Committee Accelerator Physics Update on 500-mA Operation Updates to the Microprobe at BL2-3 LCLS Experiment Proposal Deadline and Developments SSRL Celebrates Another Successful Run User Research Administration Update __________________________________________________________________________

287

Nuclear Energy Advisory Committee Facility Subcommittee visit to Oak Ridge  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Committee Facility Subcommittee visit to Committee Facility Subcommittee visit to Oak Ridge National Laboratory Nuclear Energy Advisory Committee Facility Subcommittee visit to Oak Ridge National Laboratory The NEAC Facilities Subcommittee made a site visit to Oak Ridge National Laboratory (ORNL) on August 26, 2010. Subcommittee members included John Ahearne (Vice Chairman of NEAC and Facilities Subcommittee Chairman), Dana Christensen (ORNL), Thomas B. Cochran (Natural Resources Defense Council), Michael Corradini, (University of Wisconsin-Madison), and Andrew Klein (Oregon State University). Tansel Selekler (Department of Energy Office of Nuclear Energy) accompanied the Subcommittee. NEAC_Facitlity_Subcom Visit_OakRidge.pdf More Documents & Publications Meeting Materials: December 9, 2010

288

SSRL HEADLINES Jun 2006  

NLE Websites -- All DOE Office Websites (Extended Search)

1 June, 2006 1 June, 2006 __________________________________________________________________________ Contents of this Issue: Science Highlight - Chemists Discover how Nature Makes Medicine Science Highlight - Protecting against DNA Invasion SPEAR3 Fast Orbit Feedback Milestone Achieved in June Register for SSRL Summer Workshops in the Structural Biology Sciences Call for Nominations for Klein, Spicer and Lytle Awards Stanford Board of Trustees Committee Visits SLAC Secretary of Energy Bodman Speaks to DOE Employees Summer Public Science Lectures at SLAC and Stanford University More SSRL News for a Wider Audience Macromolecular Crystallography Proposals due July 1 Photon Science Job Opportunities __________________________________________________________________________

289

The 2004 North Slope of Alaska Arctic Winter Radiometric Experiment  

NLE Websites -- All DOE Office Websites (Extended Search)

2004 North Slope of Alaska 2004 North Slope of Alaska Arctic Winter Radiometric Experiment E. R. Westwater, M. A. Klein, and V. Leuski Cooperative Institute for Research in Environmental Sciences University of Colorado National Oceanic and Atmospheric Administration Environmental Technology Laboratory Boulder, Colorado A. J. Gasiewski, T. Uttal, and D. A. Hazen National Oceanic and Atmospheric Administration Environmental Technology Laboratory Boulder, Colorado D. Cimini Remote Sensing Division, CETEMPS Universita' dell'Aquila L'Aquila, Italy V. Mattioli Dipartimento di Ingegneria Elettronica e dell'Informazione Perugia, Italy B. L. Weber and S. Dowlatshahi Science Technology Corporation Boulder, Colorado J. A. Shaw Department of Electrical and Computer Engineering

290

Generalized Relativistic Wave Equations with Intrinsic Maximum Momentum  

E-Print Network (OSTI)

We examine the nonperturbative effect of maximum momentum on the relativistic wave equations. In momentum representation, we obtain the exact eigen-energies and wavefunctions of one-dimensional Klein-Gordon and Dirac equation with linear confining potentials, and the Dirac oscillator. Bound state solutions are only possible when the strength of scalar potential are stronger than vector potential. The energy spectrum of the systems studied are bounded from above, whereby classical characteristics are observed in the uncertainties of position and momentum operators. Also, there is a truncation in the maximum number of bound states that is allowed. Some of these quantum-gravitational features may have future applications.

Chee Leong Ching; Wei Khim Ng

2013-11-15T23:59:59.000Z

291

Quantum field theory in static external potentials and Hadamard states  

E-Print Network (OSTI)

We prove that the ground state for the Dirac equation on Minkowski space in static, smooth external potentials satisfies the Hadamard condition. We show that it follows from a condition on the support of the Fourier transform of the corresponding positive frequency solution. Using a Krein space formalism, we establish an analogous result in the Klein-Gordon case for a wide class of smooth potentials. Finally, we investigate overcritical potentials, i.e. which admit no ground states. It turns out, that numerous Hadamard states can be constructed by mimicking the construction of ground states, but this leads to a naturally distinguished one only under more restrictive assumptions on the potentials.

Micha? Wrochna

2011-08-15T23:59:59.000Z

292

Conjugate Spinor Solution of the Dirac Equation for the Hydrogen Atom  

E-Print Network (OSTI)

It is shown the central field Dirac equation can be simplified through the use of real conjugate spinors to substitute for the upper and lower components of the bi-spinor eigensolutions. This substitution reduces the Dirac equation for the hydrogen atom to the problem of solving a single second order differential equation similar to a Klein-Gordon equation but containing additional terms to take account of the spin on the electron. The bi-spinor wave functions are readily constructed once the solution is known in terms of the conjugate spinors.

Robert J. Ducharme

2011-04-18T23:59:59.000Z

293

Hidden Photons in Extra Dimensions  

E-Print Network (OSTI)

Additional U(1) gauge symmetries and corresponding vector bosons, called hidden photons, interacting with the regular photon via kinetic mixing are well motivated in extensions of the Standard Model. Such extensions often exhibit extra spatial dimensions. In this note we investigate the effects of hidden photons living in extra dimensions. In four dimensions such a hidden photon is only detectable if it has a mass or if there exists additional matter charged under it. We note that in extra dimensions suitable masses for hidden photons are automatically present in form of the Kaluza-Klein tower.

Chris J. Wallace; Joerg Jaeckel; Sabyasachi Roy

2013-11-25T23:59:59.000Z

294

Fractional oscillator process with two indices  

E-Print Network (OSTI)

We introduce a new fractional oscillator process which can be obtained as solution of a stochastic differential equation with two fractional orders. Basic properties such as fractal dimension and short range dependence of the process are studied by considering the asymptotic properties of its covariance function. The fluctuation--dissipation relation of the process is investigated. The fractional oscillator process can be regarded as one-dimensional fractional Euclidean Klein-Gordon field, which can be obtained by applying the Parisi-Wu stochastic quantization method to a nonlocal Euclidean action. The Casimir energy associated with the fractional field at positive temperature is calculated by using the zeta function regularization technique.

S. C. Lim; L. P. Teo

2008-04-24T23:59:59.000Z

295

Gravity in Randall-Sundrum two D-brane model  

E-Print Network (OSTI)

We analyse Randall-Sundrum two D-brane model by linear perturbation and then consider the linearised gravity on the D-brane. The qualitative contribution from the Kaluza-Klein modes of gauge fields to the coupling to the gravity on the brane will be addressed. As a consequence, the gauge fields localised on the brane are shown not to contribute to the gravity on the brane at large distances. Although the coupling between gauge fields and gravity appears in the next order, the ordinary coupling cannot be realised.

Tetsuya Shiromizu; Keitaro Takahashi; Yoshiaki Himemoto; Shuto Yamamoto

2004-07-30T23:59:59.000Z

296

New Type of Soliton Equation Described Some Statistical Distributions and Nonlinear Equations Unified Quantum Statistics  

E-Print Network (OSTI)

We proposed a new type of soliton equation, whose solutions may describe some statistical distributions, for example, Cauchy distribution, normal distribution and student distribution, etc. The equation possesses two characters. Further, from an extension of this type of equation we may obtain the exponential distribution, and the Fermi-Dirac distribution in quantum statistics. Moreover, by using the method of the soliton-solution, the nonlinear Klein-Gordon equation and nonlinear Dirac equations may derive Bose-Einstein and Fermi-Dirac distributions, respectively, and both distributions may be unified by the nonlinear equation.

Yi-Fang Chang

2009-02-02T23:59:59.000Z

297

Chemistry of Chern-Simons Supergravity: reduction to a BPS kink, oxidation to M-theory and thermodynamical aspects  

E-Print Network (OSTI)

We construct a supersymmetric extension of the two dimensional Kaluza-Klein-reduced gravitational Chern-Simons term, and globally study its solutions, labelled by mass and U(1) charge c. The kink solution is BPS, and in an appropriate conformal frame all solutions asymptotically approach AdS. The thermodynamics of the Hawking effect yields interesting behavior for the specific heat and hints at a Hawking-Page-like transition at T_{critical} \\sim c^{3/2}. We address implications for higher dimensions ("oxidation"), in particular D=3,4 and 11, and comment briefly on AdS/CFT aspects of the kink.

L. Bergamin; D. Grumiller; A. Iorio; C. Nunez

2004-09-27T23:59:59.000Z

298

Transmission of electron through monolayer graphene laser barrier  

Science Conference Proceedings (OSTI)

The present theoretical model deals with the transmission property of the Dirac fermions in the Floquet sidebands for the laser radiated graphene nanostructure. The laser assisted structure behaves as a tunneling barrier that leads to asymmetric transmission around the normal to the interface and is capable to confine the massless Dirac particles in a monolayer graphene strip. The absence of the Klein tunneling and the presence of a large number of controlling parameters would make the time dependent vector potential barrier superior over the electrostatic and magnetic barriers towards the opto-electronic device fabrication.

Sinha, C. [Department of Theoretical Physics, Indian Association for the Cultivation of Science, Jadavpur, Kolkata 700032 (India); Biswas, R. [Department of Physics, P. K. College, Contai, Purba Medinipur, West Bengal 721401 (India)

2012-04-30T23:59:59.000Z

299

An origin of the universe: a model alternative to Big Bang  

E-Print Network (OSTI)

We propose a new approach to the model of an origin of the universe built by Oscar Klein and Hannes Alfv\\'{e}n. Some modifications of assumptions underlying the model result in a possible scenario of the universe creation consistent with observations. We explain the large scale structre of the universe and we estimate the Hubble constant value as well as the number of galaxies in the universe. The model does not require many assumptions made in the model based on the Big Bang idea.

Andrzej Mercik; Szymon Mercik

2006-04-04T23:59:59.000Z

300

Plasmon-graviton conversion in a magnetic field in TeV-scale gravity  

E-Print Network (OSTI)

Kaluza-Klein (KK) gravitons emission rates due to plasmon-graviton conversion in magnetic field are computed within the ADD model of TeV-scale gravity. Plasma is described in the kinetic approach as the system of charged particles and Maxwell field both confined on the brane. Interaction with multidimensional gravity living in the bulk with $n$ compact extra dimensions is introduced within the linearized theory. Plasma collective effects enter through the two-point correlation function of the fluctuations of the energy-momentum tensor. The estimate for magnetic stars is presented leading to the lower limit of the D-dimensional Plank mass.

Melkumova, E Yu

2011-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "maureen klein 202-586-8013" 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.


301

Dirac Equation and Quantum Relativistic Effects in a Single Trapped Ion  

Science Conference Proceedings (OSTI)

We present a method of simulating the Dirac equation in 3+1 dimensions for a free spin-1/2 particle in a single trapped ion. The Dirac bispinor is represented by four ionic internal states, and position and momentum of the Dirac particle are associated with the respective ionic variables. We show also how to simulate the simplified 1+1 case, requiring the manipulation of only two internal levels and one motional degree of freedom. Moreover, we study relevant quantum-relativistic effects, like the Zitterbewegung and Klein's paradox, the transition from massless to massive fermions, and the relativistic and nonrelativistic limits, via the tuning of controllable experimental parameters.

Lamata, L.; Leon, J. [Instituto de Matematicas y Fisica Fundamental, CSIC, Serrano 113-bis, 28006 Madrid (Spain); Schaetz, T. [Max-Planck-Institut fuer Quantenoptik, Hans-Kopfermann-Strasse 1, D-85748 Garching (Germany); Solano, E. [Physics Department, ASC, and CeNS, Ludwig-Maximilians-Universitaet, Theresienstrasse 37, 80333 Munich (Germany); Seccion Fisica, Departamento de Ciencias, Pontificia Universidad Catolica del Peru, Apartado Postal 1761, Lima (Peru)

2007-06-22T23:59:59.000Z

302

Integrating Solar Thermal and Photovoltaic Systems in Whole Building Energy Simulation  

E-Print Network (OSTI)

This paper introduces methodologies on how the renewable energy generated by the solar thermal and solar photovoltaic (PV) systems installed on site can be integrated in the whole building simulation analyses, which then can be available to analyze the energy impact of solar systems installed in commercial buildings. A large prototypical office building (124,000 ft2) was used in simulation modeling. The DOE-2.1e program was used for whole building simulation, F-Chart (Beckman et al., 1977) for solar thermal systems analysis, and PV F-Chart (Klein and Beckman, 1983) for solar PV systems analysis.

Cho, S.; Haberl, J.

2010-08-01T23:59:59.000Z

303

Solar X-rays as Signature for New Particles  

E-Print Network (OSTI)

Massive axions of the Kaluza-Klein type, created inside the solar core, can be gravitationally trapped by the Sun itself in orbits inside/outside the Sun, where they accumulate over cosmic times. Their radiative decay can give rise to various solar phenomena, like the celebrated solar coronal heating, which lacks a conventional explanation since its first observation in 1939. Such and other recent observations favour the existence of a halo of exotic particles near the Sun. X-ray telescopes can provide novel and important information. The underlying solar axion scenario is presented in details in ref.'s [4,15

K. Zioutas

2004-06-08T23:59:59.000Z

304

Countintg Extra Dimensions: Magnetic Cherenkov Radiation from High Energy Neutrinos  

E-Print Network (OSTI)

In theories which require a space of dimension d>4, there is a natural mechanism of suppressing neutrino masses: while Standard Model fields are confined to a 3-brane, right handed neutrinos live in the bulk. Due to Kaluza-Klein excitations, the effective magnetic moments of neutrinos are enhanced. The effective magnetic moment is a monotonically growing function of the energy of the neutrino: consequently, high energy neutrinos can emit observable amounts of magnetic Cherenkov radiation. By observing the energy dependence of the magnetic Cherenkov radiation, one may be able to determine the number of compactified dimensions.

G. Domokos; Andrea Erdas; S. Kovesi-Domokos

2002-12-30T23:59:59.000Z

305

Duality Invariance: From M-theory to Double Field Theory  

E-Print Network (OSTI)

We show how the duality invariant approach to M-theory formulated by Berman and Perry relates to the double field theory proposed by Hull and Zwiebach. In doing so we provide suggestions as to how Ramond fields can be incorporated into the double field theory. We find that the standard dimensional reduction procedure has a duality invariant (doubled) analogue in which the gauge fields of the doubled Kaluza-Klein ansatz encode the Ramond potentials. We identify the internal gauge index of these gauge fields with a spinorial index of O(d,d).

Daniel C. Thompson

2011-06-20T23:59:59.000Z

306

Scalar Quantum Field Theory in Disordered Media  

E-Print Network (OSTI)

A free massive scalar field in inhomogeneous random media is investigated. The coefficients of the Klein-Gordon equation are taken to be random functions of the spatial coordinates. The case of an annealed-like disordered medium, modeled by centered stationary and Gaussian processes, is analyzed. After performing the averages over the random functions, we obtain the two-point causal Green's function of the model up to one-loop. The disordered scalar quantum field theory becomes qualitatively similar to a $\\lambda\\phi^{4}$ self-interacting theory with a frequency-dependent coupling.

Arias, E; Krein, G; Menezes, G; Svaiter, N F

2011-01-01T23:59:59.000Z

307

Radion clouds around evaporating black holes  

E-Print Network (OSTI)

A Kaluza-Klein model, with a matter source associated with Hawking radiation from an evaporating black hole, is used to obtain a simple form for the radion effective potential. The environmental effect generally causes a matter-induced shift of the radion vacuum, resulting in the formation of a radion cloud around the hole. There is an albedo due to the radion cloud, with an energy dependent reflection coefficient that depends upon the size of the extra dimensions and the temperature of the hole.

J. R. Morris

2009-09-03T23:59:59.000Z

308

Marginally outer trapped surfaces in higher dimensions  

E-Print Network (OSTI)

We review the basic setup of Kaluza-Klein theory, namely a 5-dimensional vacuum with a cyclic isometry, which corresponds to Einstein-Maxwell-dilaton theory in 4-dimensional spacetime. We first recall the behaviour of Killing horizons and its generators under bundle lift and projection. We then show that the property of compact surfaces of being (stably) marginally trapped is preserved under lift and projection provided the appropriate ("Pauli-") conformal scaling is used for the spacetime metric. We also discuss and compare recently proven area inequalities for stable axially symmetric 2-dimensional and 3-dimensional marginally outer trapped surfaces.

Tim-Torben Paetz; Walter Simon

2013-02-13T23:59:59.000Z

309

Supersymmetric 4D Rotating Black Holes from 5D Black Rings  

E-Print Network (OSTI)

We present supersymmetric solutions describing black holes with non-vanishing angular momentum in four dimensional asymptotically flat space. The solutions are obtained by Kaluza-Klein reduction of five-dimensional supersymmetric black rings wrapped on the fiber of a Taub-NUT space. We show that in the four-dimensional description the singularity of the nut can be hidden behind a regular black hole event horizon and thereby obtain an explicit example of a non-static multi-black hole solution in asymptotically flat four dimensions.

Henriette Elvang; Roberto Emparan; David Mateos; Harvey S. Reall

2005-04-13T23:59:59.000Z

310

Green Functions of Relativistic Field Equations  

E-Print Network (OSTI)

In this paper, we restudy the Green function expressions of field equations. We derive the explicit form of the Green functions for the Klein-Gordon equation and Dirac equation, and then estimate the decay rate of the solution to the linear equations. The main motivation of this paper is to show that: (1). The formal solutions of field equations expressed by Green function can be elevated as a postulate for unified field theory. (2). The inescapable decay of the solution of linear equations implies that the whole theory of the matter world should include nonlinear interaction.

Ying-Qiu Gu

2006-12-20T23:59:59.000Z

311

Nonlinear relativistic quantum theory of Cherenkov emission of longitudinal Langmuir waves in a plasma  

Science Conference Proceedings (OSTI)

A nonlinear relativistic quantum theory of stimulated Cherenkov emission of longitudinal waves by a relativistic monoenergetic electron beam in a cold isotropic plasma is presented. The theory makes use of a quantum model based on the Klein-Gordon equation. The instability growth rates are obtained in the linear approximation and are shown to go over to the familiar growth rates in the classical limit. The mechanisms for the nonlinear saturation of relativistic Cherenkov beam instabilities are described with allowance for quantum effects, and the corresponding analytic solutions are derived.

Bobylev, Yu. V.; Kuzelev, M. V. [Moscow State University (Russian Federation)

2011-10-15T23:59:59.000Z

312

On the evolution equations for a self-gravitating charged scalar field  

E-Print Network (OSTI)

We consider a complex scalar field minimally coupled to gravity and to a U(1) gauge symmetry and we construct of a first order symmetric hyperbolic evolution system for the Einstein-Maxwell-Klein-Gordon system. Our analysis is based on a 1+3 tetrad formalism which makes use of the components of the Weyl tensor as one of the unknowns. In order to ensure the symmetric hyperbolicity of the evolution equations, implied by the Bianchi identity, we introduce a tensor of rank 3 corresponding to the covariant derivative of the Faraday tensor, and two tensors of rank 2 for the covariant derivative of the vector potential and the scalar field.

Daniela Pugliese; Juan A. Valiente Kroon

2013-01-03T23:59:59.000Z

313

Search for Universal Extra Dimensions with the D0 Experiment  

E-Print Network (OSTI)

A search for signs of universal extra dimensions (UED) has been performed with the D0 experiment, using events with two same-sign muons. The considered minimal UED model includes one extra dimension, and has a stable lightest Kaluza-Klein particle (LKP) which is a dark matter candidate. In the search, 7.3 fb^{-1} of D0 data, collected in p\\bar{p} collisions at the Fermilab Tevatron collider at \\surd\\bar{s} = 1.96 TeV, have been used.

Mansour, Jason D

2011-01-01T23:59:59.000Z

314

Search for Universal Extra Dimensions with the D0 Experiment  

SciTech Connect

A search for signs of universal extra dimensions (UED) has been performed with the D0 experiment, using events with two same-sign muons. The considered minimal UED model includes one extra dimension, and has a stable lightest Kaluza-Klein particle (LKP) which is a dark matter candidate. In the search, 7.3 fb{sup -1} of D0 data, collected in p{bar p} collisions at the Fermilab Tevatron collider at {radical}s = 1.96 TeV, have been used.

Mansour, Jason D.

2011-10-01T23:59:59.000Z

315

Search for universal extra dimensions in ppbar collisions  

Science Conference Proceedings (OSTI)

We present a search for Kaluza-Klein (KK) particles predicted by models with universal extra dimensions (UED) using a data set corresponding to an integrated luminosity of 7.3 fb{sup -1}, collected by the D0 detector at a p{bar p} center of mass energy of 1.96 TeV. The decay chain of KK particles can lead to a final state with two muons of the same charge. This signature is used to set a lower limit on the compactification scale of R{sup -1} > 260 GeV in a minimal UED model.

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.; Aoki, Masato; /Fermilab; Askew, Andrew Warren; /Florida State U. /Stockholm U.

2011-12-01T23:59:59.000Z

316

Search for Universal Extra Dimensions in p(p)over-bar Collisions  

Science Conference Proceedings (OSTI)

We present a search for Kaluza-Klein (KK) particles predicted by models with universal extra dimensions (UED) using a data set corresponding to an integrated luminosity of 7.3 fb{sup -1}, collected by the D0 detector at a p{bar p} center-of-mass energy of 1.96 TeV. The decay chain of KK particles can lead to a final state with two muons of the same charge. This signature is used to set a lower limit on the compactification scale of R{sup -1} > 260 GeV in a minimal UED model.

Abazov V. M.; Abbott B.; Acharya B. S.; Adams M.; Adams T.; Alexeev G. D.; Alkhazov G.; Alton A.; Alverson G.; Aoki M.; Askew A.; Asman B.; Atkins S.; Atramentov O.; Augsten K.; Avila C.; BackusMayes J.; Badaud F.; Bagby L.; Baldin B.; Bandurin D. V.; Banerjee S.; Barberis E.; Baringer P.; Barreto J.; Bartlett J. F.; Bassler U.; Bazterra V.; Bean A.; Begalli M.; Belanger-Champagne C.; Bellantoni L.; Beri S. B.; Bernardi G.; Bernhard R.; Bertram I.; Besancon M.; Beuselinck R.; Bezzubov V. A.; Bhat P. C.; Bhatia S.; Bhatnagar V.; Blazey G.; Blessing S.; Bloom K.; Boehnlein A.; Boline D.; Boos E. E.; Borissov G.; Bose T.; Brandt A.; Brandt O.; Brock R.; Brooijmans G.; Bross A.; Brown D.; Brown J.; Bu X. B.; Buehler M.; Buescher V.; Bunichev V.; Burdin S.; Burnett T. H.; Buszello C. P.; Calpas B.; Camacho-Perez E.; Carrasco-Lizarraga M. A.; Casey B. C. K.; Castilla-Valdez H.; Chakrabarti S.; Chakraborty D.; Chan K. M.; Chandra A.; Chapon E.; Chen G.; Chevalier-Thery S.; Cho D. K.; Cho S. W.; Choi S.; Choudhary B.; Cihangir S.; Claes D.; Clutter J.; Cooke M.; Cooper W. E.; Corcoran M.; Couderc F.; Cousinou M-C; Croc A.; Cutts D.; Das A.; Davies G.; de Jong S. J.; De La Cruz-Burelo E.; Deliot F.; Demina R.; Denisov D.; Denisov S. P.; Desai S.; Deterre C.; DeVaughan K.; Diehl H. T.; Diesburg M.; Ding P. F.; Dominguez A.; Dorland T.; Dubey A.; Dudko L. V.; Duggan D.; Duperrin A.; Dutt S.; Dyshkant A.; Eads M.; Edmunds D.; Ellison J.; Elvira V. D.; Enari Y.; Evans H.; Evdokimov A.; Evdokimov V. N.; Facini G.; Ferbel T.; Fiedler F.; Filthaut F.; Fisher W.; Fisk H. E.; Fortner M.; Fox H.; Fuess S.; Garcia-Bellido A.; Garcia-Guerra G. A.; Gavrilov V.; Gay P.; Geng W.; Gerbaudo D.; Gerber C. E.; Gershtein Y.; Ginther G.; Golovanov G.; Goryachev V. N.; Goussiou A.; Grannis P. D.; Greder S.; Greenlee H.; Greenwood Z. D.; Gregores E. M.; Grenier G.; Gris Ph; Grivaz J-F; Grohsjean A.; Gruenendahl S.; Gruenewald M. W.; Guillemin T.; Gutierrez G.; Gutierrez P.; Haas A.; Hagopian S.; Haley J.; Han L.; Harder K.; Harel A.; Hauptman J. M.; Hays J.; Head T.; Hebbeker T.; Hedin D.; Hegab H.; Heinson A. P.; Heintz U.; Hensel C.; Heredia-De La Cruz I.; Herner K.; Hesketh G.; Hildreth M. D.; Hirosky R.; Hoang T.; Hobbs J. D.; Hoeneisen B.; Hohlfeld M.; Hubacek Z.; Hynek V.; Iashvili I.; Ilchenko Y.; Illingworth R.; Ito A. S.; Jabeen S.; Jaffre M.; Jamin D.; Jayasinghe A.; Jesik R.; Johns K.; Johnson M.; Jonckheere A.; Jonsson P.; Joshi J.; Jung A. W.; Juste A.; Kaadze K.; Kajfasz E.; Karmanov D.; Kasper P. A.; Katsanos I.; Kehoe R.; Kermiche S.; Khalatyan N.; Khanov A.; Kharchilava A.; Kharzheev Y. N.; Kohli J. M.; Kozelov A. V.; Kraus J.; Kulikov S.; Kumar A.; Kupco A.; Kurca T.; Kuzmin V. A.; Lammers S.; Landsberg G.; Lebrun P.; Lee H. S.; Lee S. W.; Lee W. M.; Lellouch J.; Li H.; Li L.; Li Q. Z.; Lietti S. M.; Lim J. K.; Lincoln D.; Linnemann J.; Lipaev V. V.; Lipton R.; Liu Y.; Lobodenko A.; Lokajicek M.; de Sa R. Lopes; Lubatti H. J.; Luna-Garcia R.; Lyon A. L.; Maciel A. K. A.; Mackin D.; Madar R.; Magana-Villalba R.; Malik S.; Malyshev V. L.; Mansour J.; Maravin Y.; Martinez-Ortega J.; McCarthy R.; McGivern C. L.; Meijer M. M.; Melnitchouk A.; Menezes D.; Mercadante P. G.; Merkin M.; Meyer A.; Meyer J.; et al.

2012-03-30T23:59:59.000Z

317

INVISIBLE HIGGS IN LARGE EXTRA DIMENSION MODELS  

E-Print Network (OSTI)

In large extra dimension models the presence of an interaction between the Ricci scalar curvature and the Higgs doublet of the Standard Model can give rise to an invisible decay of the Higgs to Kaluza Klein graviscalars. The corresponding invisible width can cause a suppression of the LHC rates of a light Higgs in the visible channels below 5? in some regions of the parameter space of the model. However in such regions the Higgs can be discovered through its invisible decay. The combination of the measurements done at the LHC and the LC can determine to some accuracy the parameters of the model. 1

Daniele Dominici

2004-01-01T23:59:59.000Z

318

The Particle Problem in Classical Gravity: A historical note on 1941  

E-Print Network (OSTI)

This historical note is mainly based on a relatively unknown paper published by Albert Einstein in Revista de la Universidad Nacional de Tucuman in 1941. Taking the ideas of this work as a leitmotiv, we review the discussions about the particle problem in the theory of gravitation within the historical context by means of the study of seminal works on the subject. The revision shows how the digressions regarding the structure of matter and the concise problem of finding regular solutions of the pure field equations turned out to be intrinsically unified in the beginning of the programme towards a final theory of fields. The mentioned paper (Einstein, 1941a) represents the basis of the one written by the same author in collaboration with Wolfgang Pauli in 1943, in which, by following analogous lines, the proof of the non-existence of regular particle-type solutions was generalized to the case of cilyndrical geometries in Kaluza-Klein theory (Einstein & Pauli, 1943). Besides, other generalizations were subsequently presented. The (non)-existence of such solutions in classical unified field theory was undoubtedly an important criterion leading Einstein's investigations. This aspect was gathered with expertness by Jeroen van Dongen in a recent work, though restricting the scope to the particular case of investigations on Kaluza-Klein theory (van Dongen, 2002). Here, we discuss the particle problem within a more general context, presenting in this way a complement to previous reviews.

Mariano Galvagno; Gaston Giribet

2004-11-04T23:59:59.000Z

319

Fermionic and Bosonic Stabilizing Effects for Type I and Type II Dimension Bubbles  

E-Print Network (OSTI)

We consider two types of "dimension bubbles", which are viewed as 4d nontopological solitons that emerge from a 5d theory with a compact extra dimension. The size of the extra dimension varies rapidly within the domain wall of the soliton. We consider the cases of type I (II) bubbles where the size of the extra dimension inside the bubble is much larger (smaller) than outside. Type I bubbles with thin domain walls can be stabilized by the entrapment of various particle modes whose masses become much smaller inside than outside the bubble. This is demonstrated here for the cases of scalar bosons, fermions, and massive vector bosons, including both Kaluza-Klein zero modes and Kaluza-Klein excitation modes. Type II bubbles expel massive particle modes but both types can be stabilized by photons. Plasma filled bubbles containing a variety of massless or nearly massless radiation modes may exist as long-lived metastable states. Furthermore, in contrast to the case with a "gravitational bag", the metric for a fluid-filled dimension bubble does not exhibit a naked singularity at the bubble's center.

J. R. Morris

2004-05-21T23:59:59.000Z

320

Brookhaven Lecture Series | Committee  

NLE Websites -- All DOE Office Websites (Extended Search)

Committee Committee Allen Orville Committee Chair Biology Department Term Ends: September 2013 amorv@bnl.gov Stephen Musolino Committee Vice Chair Nonproliferation & National Security Department musolino@bnl.gov Mei Bai Collider-Accelerator Department Term Ends: September 2014 mbai@bnl.gov Marsha Belford Community Relations Office ex-officio belford@bnl.gov Nicholas Camillone III Chemistry Department Term Ends: September 2014 nicholas@bnl.gov Paul Sorensen Physics Department Term Ends: September 2014 psoren@bnl.gov Christopher Homes Materials Science Department Term Ends: September 2015 homes@bnl.gov Nelly Klein Medical Department Term Ends: September 2014 nellyklein@bnl.gov Can Erdonmez Sustainable Energy Technologies Department Term Ends: September 2015 cerdonmez@bnl.gov Joe Muratore

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321

rome.ppt  

NLE Websites -- All DOE Office Websites (Extended Search)

Integral Differences: Integral Differences: Kinetic Energy Savings or a Cut-off Effect? Mike Norman! ! Materials Science Division! Argonne National Laboratory Rome - July 2, 2007 Norman and Chubukov, Phys Rev B 73, 140501 (2006) ∫dω Re σ(ω) = ω pl 2 /8 Sum all bands -> proportional to n/m (f sum rule) Single band only -> proportional to E K E K = Σ k (∂ 2 ε k /∂k 2 ) n k E kinetic = Σ k ε k n k Optical Integrals In general, E K is not a conserved quantity, though it is for a parabolic dispersion - k 2 /2m* Sum Rule - Klein and Blumberg, Science 283, 42 (1999) Molegraaf & van der Marel Science 295, 2239 (2002) An increase is observed in the optical weight below T c relative to the extrapolated behavior from above T c A similar effect has been seen in Bi2212 by the ESPCI group

322

ARM - Publications: Science Team Meeting Documents: Linking subgrid-scale  

NLE Websites -- All DOE Office Websites (Extended Search)

Linking subgrid-scale variability in temperature and humidty to convection Linking subgrid-scale variability in temperature and humidty to convection Pincus, Robert NOAA-CIRES Climate Diagnostics Center Neale, Richard NOAA-CIRES Climate Diagnostics Center Batstone, Crispian NOAA-CIRES Climate Diagnostics Center Klein, Stephen Lawrence Livermore National Laboratory Convection parameterizations in large-scale models (e.g. Relaxed Arakawa-Schubert) compute the domain-averaged mass flux as the sum across a spectrum of plumes ascending and entraining in a constant environment. It is known, however, that the temperature and humidity (and so the buoyancy of rising plumes) can vary tremendously within domains as large as those encompassed in climate or weather model grid cells. This variability can feed back on itself over time, so that plumes rising in regions where

323

s071.dvi  

NLE Websites -- All DOE Office Websites (Extended Search)

Extra Extra Dimensions For explanation of terms used and discussion of significant model dependence of following limits, see the "Extra Dimensions" review. Footnotes describe originally quoted limit. δ indicates the number of extra dimensions. Limits not encoded here are summarized in the "Extra Dimensions" review, where the latest unpublished results are also described. A REVIEW GOES HERE - Check our WWW List of Reviews CONTENTS: CONTENTS: CONTENTS: CONTENTS: Limits on R from Deviations in Gravitational Force Law Limits on R from On-Shell Production of Gravitons: δ = 2 Mass Limits on M TT Limits on 1/R = M c Limits on Kaluza-Klein Gravitons in Warped Extra Dimensions Limits on R from Deviations in Gravitational Force Law Limits on R from Deviations in Gravitational Force Law Limits on R from Deviations in Gravitational Force Law Limits on R from Deviations in Gravitational

324

Geoelectric Studies on the East Rift, Kilauea Volcano, Hawaii Island | Open  

Open Energy Info (EERE)

Geoelectric Studies on the East Rift, Kilauea Volcano, Hawaii Island Geoelectric Studies on the East Rift, Kilauea Volcano, Hawaii Island Jump to: navigation, search OpenEI Reference LibraryAdd to library Journal Article: Geoelectric Studies on the East Rift, Kilauea Volcano, Hawaii Island Abstract Three geophysical research organizations, working together under the auspices of the Hawaii Geothermal Project, have used several electrical and electromagnetic exploration techniques on Kilauea volcano, Hawaii to assess its geothermal resources. This volume contains four papers detailing their methods and conclusions. Keller et al. of the Colorado School of Mines used the dipole mapping and time-domain EM sounding techniques to define low resistivity areas around the summit and flanks of Kilauea. Kauahikaua and Klein of the Hawaii Institute of Geophysics then detailed the East Rift

325

Time-Domain Electromagnetics At Kilauea Southwest Rift And South Flank Area  

Open Energy Info (EERE)

And South Flank Area And South Flank Area (Thomas, 1986) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Time-Domain Electromagnetics At Kilauea Southwest Rift And South Flank Area (Thomas, 1986) Exploration Activity Details Location Kilauea Southwest Rift And South Flank Area Exploration Technique Time-Domain Electromagnetics Activity Date Usefulness useful DOE-funding Unknown Notes The assessment effort consisted of a reexamination of existing Schlumberger sounding (Hussong and Cox, 1967; Adams et al., 1970) and time-domain electromagnetic (Klein and Kauahikaua, 1975) data for the rift area (Kauahikaua and Mattice, 1981) The electrical resistivity data acquired on the southwest rift delineated two distinct basement resistivity structures northwest of the rift zone: a high-resistivity basement at approximately 60

326

ARM - Publications: Science Team Meeting Documents  

NLE Websites -- All DOE Office Websites (Extended Search)

Resolving Models as Scaffolding for Cloud Parameterizations in Resolving Models as Scaffolding for Cloud Parameterizations in Large-Scale Models Pincus, R.(a), Klein, S.A.(b), Hannay, C.(a), and Xu, K.-M.(c), NOAA-CIRES Climate Diagnostics Center (a), NOAA Geophysical Fluid Dynamics Laboratory (b), NASA Langley Research Center (c) Twelfth Atmospheric Radiation Measurement (ARM) Science Team Meeting The treatment of clouds in large scale models has evolved from fixed to diagnostics to predictive as the importance of cloud feedbacks has become clear. In development now are schemes which account for the resolution-dependent sub-grid scale variability in condensate, which is thought to be a significant factor driving ad hoc model tuning. Parameterizations have their roots in theory, experiment, and observational data. It's very hard, though, to observe the four-dimensional structure of

327

Recovered File 1  

NLE Websites -- All DOE Office Websites (Extended Search)

Broadband Heating Rate Profile Broadband Heating Rate Profile (BBHRP) Project Howard Barker Meteorological Service of Canada Matthew Shupe, Robert Pincus NOAA - CIRES Jim Liljegren Argonne National Laboratory Joe Michalsky NOAA ARL Mandy Khaiyer, David Rutan, Rich Ferrare, Dave Doelling, Pat Minnis NASA - LaRC Robert Ellingson Florida State University Ric Cederwall, Shaocheng Xie, John Yio, Steve Klein Lawrence Livermore National Laboratory Dave Turner, Patrick Heck University of Wisconsin-Madison Tim Shippert, Chuck Long, Connor Flynn, Chitra Sivaraman Battelle PNNL Minghua Zhang SUNY - Stony Brook Mark Miller, Karen Johnson, David Troyan, Mike Jensen Brookhaven National Laboratory Eli Mlawer, Jennifer Delamere, Tony Clough, Mike Iacono Atmospheric and Environmental Research, Inc. Objectives of the Broadband Heating Rate Profile VAP

328

Office of Indian Energy Newsletter: Summer/Fall 2013 | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Summer/Fall 2013 Summer/Fall 2013 Office of Indian Energy Newsletter: Summer/Fall 2013 Indian Energy Beat: News on Actions to Accelerate Energy Development in Indian Country Summer/Fall 2013 Issue Educational Curriculum Supports Tribal Energy Develolpment Efforts Message from the Director Building Bridges: Seven New Indian Country Energy and Infrastructure Working Group Members Announced Sharing Knowledge: Military Installations Offer Economic Development Opportunity for Tribes Opening Doors: 10 Tribe Selected for 2013 Start Program Winning the Future: Fuel From Waste Helps Power Two Tribes Leading the Charge: Christine Klein On the Horizon: Upcoming Events Office of Indian Energy Summer/Fall 2013 Newsletter More Documents & Publications Office of Indian Energy Newsletter: Summer 2012

329

Using Cloud-Resolving Model Simulations of Deep Convection to Inform Cloud Parmaterizations in Large-Scale Models  

NLE Websites -- All DOE Office Websites (Extended Search)

Using Cloud-Resolving Model Simulations Using Cloud-Resolving Model Simulations of Deep Convection to Inform Cloud Parameterizations in Large-Scale Models S. A. Klein National Oceanic and Atmospheric Administration Geophysical Fluid Dynamics Laboratory Princeton, New Jersey R. Pincus National Oceanic and Atmospheric Administration Cooperative Institute for Research in Environmental Science Climate Diagnostics Center Boulder, Colorado K. -M. Xu National Aeronautics and Space Administration Langley Research Center Hampton, Virginia Abstract Cloud parameterizations in large-scale models struggle to address the significant non-linear effects of radiation and precipitation that arise from horizontal inhomogeneity in cloud properties at scales smaller than the grid box size of the large-scale models. Statistical cloud schemes provide an attractive

330

ARM - Publications: Science Team Meeting Documents  

NLE Websites -- All DOE Office Websites (Extended Search)

Towards Parameterization of Frontal Mesoscale Circulations and Cloudiness Towards Parameterization of Frontal Mesoscale Circulations and Cloudiness in GCMs Based on ARM Observations Norris, J.R.(a), Weaver, C.P.(b), Gordon, N.D.(c), and Klein, S.A.(d), Scripps Institution of Oceanography (a), Rutgers University (b), Scripps Institution of Oceanography (c), GFDL/NOAA (d) Twelfth Atmospheric Radiation Measurement (ARM) Science Team Meeting Cloudiness associated with extratropical cyclones is currently poorly represented in GCMs due to incorrect and insufficient representation of subgrid-scale processes. Since this can lead to erroneous cloud-climate feedbacks it is necessary to develop an understanding of the relationship between mesoscale cloud variability and large-scale synoptic forcing that will result in improved parameterization. Observations from the ARM

331

Secretary Bodman Visits Alberta, Canada | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Secretary Bodman Visits Alberta, Canada Secretary Bodman Visits Alberta, Canada Secretary Bodman Visits Alberta, Canada July 14, 2006 - 3:09pm Addthis Tour of Oil Sands and Bilateral Meetings Highlight Importance of Strong Relationship between U.S. and Canada CALGARY, ALBERTA - U.S. Secretary of Energy Samuel W. Bodman concluded his two-day visit to Canada today by participating in bilateral and private industry energy discussions in Alberta, Canada. Yesterday, Secretary Bodman toured the oil sands in Fort McMurray, Alberta, Canada with Canadian Natural Resources Minister Gary Lunn, Alberta Premier Ralph Klein, and Alberta Energy Minister Greg Melchin. During his visit to Alberta, Secretary Bodman encouraged the development of oil sands and other unconventional oil resources, supported increasing

332

SCM Working Group  

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cloud microphysical parameterizations cloud microphysical parameterizations with SCM, CAPT and M-PACE observations X. Liu (PNNL) S. Xie, J. Boyle, S. Klein (LLNL) S. J. Ghan (PNNL) H. Morrison, A. Gettelman (NCAR) Goal: Improve Climate Model Parameterizations Tools: single column models (SCM) and DOE CCPP-ARM Parameterization Testbed (CAPT) (LLNL CAPT team) ARM measurements provide unique data for model evaluation and guidance for parameterization improvement Motivations Cloud microphysics in mixed-phase clouds has a significant impact on cloud radiative forcing, precipitation formation, etc. The treatment of mixed-phase clouds in most current climate models is often oversimplified Liquid/ice partitioning according to a temperature dependent function; Neglect ice nucleation and Bergeron-Findeisen

333

MEMORANDUM FOR DISTRIBUTION FROM: JAMES A. RISPOLI ASSISTANT SECRE  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

JAMES A. RISPOLI JAMES A. RISPOLI ASSISTANT SECRE ENVIRONMENT ANAGEMENT PAUL BOSC DIRECTOR CONSTRUCTION MANAGEMENT SUBJECT: Protocol for Environmental Management Cleanup Projects The attached Protocol will govern the review and validation of Environmental Management (EM) cleanup projects and is provided for your use and implementation. If you have any further questions, please call me at (202) 586-7709 or Mr. J. E. Surash, Deputy Assistant Secretary for Acquisition & Project Management, at (202) 586-3867 or Ms. Catherine Santana, Office of Engineering and Construction Management, at (202) 586-5627. Attachments 6 3 Printed with soy ink on recycled paper Distribution Keith A. Klein, Manager, Richland Operations Office Shirley Olinger, Acting Manager, Office of River Protection

334

extradim_s071-web.dvi  

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November November 2011 by John Parsons (Columbia Univer- sity) and Alex Pomarol (Universitat Aut` onoma de Barcelona) I Introduction Proposals for a spacetime with more than three spatial dimensions date back to the 1920s, mainly through the work of Kaluza and Klein, in an attempt to unify the forces of nature [1]. Although their initial idea failed, the formalism that they and others developed is still useful nowadays. Around 1980, string theory proposed again to enlarge the number of space dimensions, this time as a requirement for describing a consistent theory of quantum gravity. The extra dimensions were supposed to be compactified at a scale close to the Planck scale, and thus not testable experimentally in the near future. A different approach was given by Arkani-Hamed, Dimopou- los and Dvali (ADD) in their seminal paper in 1998 [2]. They showed that the weakness of gravity could be explained

335

1  

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Application of a Maximum-Random Cloud Overlap Method Application of a Maximum-Random Cloud Overlap Method for RRTM to General Circulation Models M. J. Iacono, E. J. Mlawer, and S. A. Clough Atmospheric and Environmental Research, Inc. Cambridge, Massachusetts Introduction An important consideration in the calculation of longwave radiation through multiple cloudy layers is the spatial relationship, or cloud overlap, among the cloud fractions in each layer. Many general circulation models (GCMs) apply random cloud overlap in which clouds in adjacent layers are assumed to be unrelated. However, this approximation is not appropriate for situations in which clouds are vertically correlated (e.g., deep convection), and recent studies have demonstrated the importance of cloud overlap treatment to GCM simulations (e.g., Jakob and Klein 1999). For this reason, a maximum-

336

R. Boers KNMI  

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Boers Boers KNMI April 2004 Recent results from the Cabauw Experimental Site for Atmospheric Research ARM-science meeting NM April 2004 Collaboration between institutions ARM-science meeting NM April 2004 KNMI: Arnout Feijt, Henk Klein Baltink, Wouter Knap, Erik v Meijgaard, Fred Bosveld, Piet Stammes, Pier Siebesma, Rob Roebeling, Gert-Jan Zadelhoff University Delft: Herman Russchenberg, Hans v Marel Environmental Protection Agency Netherlands(RIVM): Arnoud Apituley, Daan Swart Netherlands Technical Research Organisation: Gerrit de Leeuw University Bonn: Susanne Crewell, Clemens Simmer, Uli Loenert University of Leipzig Manfred Wendich MeteoFrance Jean-Louis Brenguier University of Berlin J. Fischer GKSS Contributions by ARM-science meeting NM April 2004

337

ARM - Publications: Science Team Meeting Documents  

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Links Between Mesoscale Dynamics and Cloud Water in High-Resolution March Links Between Mesoscale Dynamics and Cloud Water in High-Resolution March 2000 RAMS Simulations Weaver, C.P.(a), Gordon, N.D.(b), Norris, J.R.(b), and Klein, S.A.(d), Rutgers University (a), Scripps Institution of Oceanography (b), NOAA/GFDL (c) Fourteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting The Regional Atmospheric Modeling System (RAMS) is applied as a tool for improving our understanding of sub-GCM-grid-scale cloudiness. Specifically, we use high-resolution simulations of March 2000 IOP days to identify the important mesoscale dynamic and thermodynamic controls on cloud water distributions. The resolution dependence of the simulated results is also investigated as a way to identify potential deficiencies in coarser-resolution models, such as GCMs. The main finding from the

338

Research Highlight  

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Out with the Old, in with the New: McICA to Replace Traditional Cloud Out with the Old, in with the New: McICA to Replace Traditional Cloud Overlap Assumptions Submitter: Pincus, R., NOAA - CIRES Climate Diagnostics Center Area of Research: Atmospheric Thermodynamics and Vertical Structures Working Group(s): Cloud Modeling Journal Reference: Pincus, R., R. Hemler, and S.A. Klein, 2006: Using Stochastically Generated Subcolumns to Represent Cloud Structure in a Large-Scale Model. Mon. Wea. Rev., 134, 3644-3656. As shown by the difference between the two panels, the standard way (AM2, top panel) of mixing solar reflection and transmission differs systematically from the Independent Column Approximation approach. Because cloud-radiation interactions depend critically on the vertical amount of clouds, different assumptions about how this alignment occurs

339

Nuclear Energy Advisory Committee Facility Subcommittee visit to Oak Ridge National  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Facility Subcommittee visit to Oak Ridge National Facility Subcommittee visit to Oak Ridge National Laboratory 26 August 2010 The NEAC Facilities Subcommittee made a site visit to Oak Ridge National Laboratory (ORNL) on August 26, 2010. Subcommittee members included John Ahearne (Vice Chairman of NEAC and Facilities Subcommittee Chairman), Dana Christensen (ORNL), Thomas B. Cochran (Natural Resources Defense Council), Michael Corradini, (University of Wisconsin-Madison), and Andrew Klein (Oregon State University). Tansel Selekler (Department of Energy Office of Nuclear Energy) accompanied the Subcommittee. The visit was well-coordinated by Sherrell Greene, who insured that briefings were on time and that Cochran, Corridini, and Ahearne could get to the airport on time to catch departing flights.

340

ARM - Publications: Science Team Meeting Documents  

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Implementing Flexible Cloud Vertical Structure in GFDL's AM-2 Large-Scale Implementing Flexible Cloud Vertical Structure in GFDL's AM-2 Large-Scale Model Using Stochastic Clouds Pincus, R.(a), Klein, S.A.(b), and Hemmler, R.(b), NOAA-CIRES Climate DiagnosticsCenter (a), Geophysical Fluid Dynamics Laboratory (b) Fourteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting Cloud vertical structure has a significant impact on radiation and precipitation fluxes, which can then feed back to the general circulation. In large-scale models with partial cloudiness in each grid cell, this structure is usually imposed in the form of "overlap assumptions," which are typically implemented separately in the radiation and precipitation codes. To date, GFDL's global atmospheric model AM-2 has used the random overlap assumption, which is easy to implement but known to be unrealistic

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341

Testing Statistical Cloud Scheme Ideas in the GFDL Climate Model  

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Testing Statistical Cloud Scheme Ideas in the GFDL Climate Model Testing Statistical Cloud Scheme Ideas in the GFDL Climate Model Klein, Stephen Lawrence Livermore National Laboratory Pincus, Robert NOAA-CIRES Climate Diagnostics Center Category: Modeling Statistical cloud schemes (or assumed probability distribution function cloud schemes) are attractive because they provide a way to implement horizontal sub-grid scale cloud heterogeneity in a self-consistent way between physical parameterizations of the a climate model, such as radiation and cloud microphysics. In this work, we will present results dealing with two aspects of our ongoing work towards the implementation of statistical cloud scheme ideas in the climate model of Geophysical Fluid Dynamics Laboratory. First, we will address the representation of cloud

342

Nuclear Energy Advisory Committee, Facility Subcommittee visit to Idaho National Laboratory May 19-20, 2010  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Committee, Facility Subcommittee visit to Idaho National Committee, Facility Subcommittee visit to Idaho National Laboratory May 19-20, 2010 The Nuclear Energy Advisory Committee, Facility Subcommittee visited the Idaho National Laboratory on 19-20 May 2010 to tour the nuclear infrastructure and to discuss the INL plans for facility modernization as a dimension of the DOE Office of Nuclear Energy's (NE) mission. Team Members: Dr. John Ahearne, Sigma Xi, Research Triangle Park, NC Dr. Dana Christensen, Oak Ridge National Laboratory Dr. Thomas Cochran, Natural Resource Defense Council, Washington DC Dr. Andrew Klein, Oregon State University (second day only) Mr. Paul Murray, AREVA Federal Services Dr. John I. Sackett, Idaho National Laboratory, Retired, Support: Andrew Griffith, DOE/NE

343

Energy-Efficient Networks  

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Architecting and Operating Architecting and Operating Energy-Efficient Networks Inder Monga (ESnet) With input from Dan Kilper, Thierry Klein (Bell Labs) Vijay Sivaraman (UNSW, Australia) Jaafar Elmirghani (University of Leeds, UK) § Global research consortium representing industry, government and academic organizations § Launched in May 2010 § Focus on sustainability and growth § Holistic and ambitious: Goal of 1000x § 57 member organizations § 300+ leading scientists § Recognized by the World Economic Forum as an industry-led best practice toward sustainability DELIVER ARCHITECTURE, SPECIFICATIONS AND SOLUTIONS AND DEMONSTRATE KEY TECHNOLOGIES TO INCREASE NETWORK ENERGY EFFICIENCY BY A FACTOR 1000 COMPARED TO 2010 GREENTOUCH(tm) (www.greentouch.org)

344

Research Highlight  

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Critical Evaluation of the ICARUS Portion of the ISCCP Simulator Using ARM Critical Evaluation of the ICARUS Portion of the ISCCP Simulator Using ARM Data Download a printable PDF Submitter: Mace, G., Utah State University Area of Research: General Circulation and Single Column Models/Parameterizations Working Group(s): Cloud Life Cycle Journal Reference: Mace GG, S Houser, S Benson, SA Klein, and QL Min. 2011. "Critical evaluation of the ISCCP simulator using ground-based remote sensing data." Journal of Climate, 24(6), doi:10.1175/2010JCLI3517.1. Figure 1. Comparison of actual cloud top pressure from ARM remote sensors compared to ISCCP (top) and after the ICARUS algorithm has been used to convert the measured cloud top pressures to ISCCP-like quantities (bottom). Figure 2. Comparison of various measures of optical depth. Top left shows

345

December 4, 2003, Board Public Meeting - Board Opening Remarks  

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r r ' PUBLIC MEETING + + + + + THURSDAY DECEMBER 4, 2003 + + + + + The Board met in the DNFSB Hearing Room at 625 Indiana Avenue, N.W., Suite 300, Washington, D.C., at 9:00 a.m., John T. Conway, Chairman, presiding. PRESENT JOHN T. CONWAY A.J. EGGENBERGER JOHN E. MANSFIELD R. BRUCE MATTHEWS STAFF PRESENT RICHARD A. AZZARO J. KENT FORTENBERRY JAMES J . McCONNELL KENNETH M. PUSATERI ALSO PRESENT JESSIE ROBERSON JEFFERY M. ALLISON KEITH A. KLEIN FRAZER R. LOCKHART Chairman Vice Chairman Board Member Board Member General Counsel Technical Director Deputy Technical Director General Manager Asst. Secretary, Environmental Management, DOE Manager, DOE, Savannah River Operations Office Manager, DOE, Richland Operations Office Manager, DOE, Rocky Flats Field Off ice

346

Presentation to the EAC - Smart Grid Customer Acceptance Paper Outline - Wanda Reder  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Customer Acceptance Customer Acceptance Paper Outline Electricity Advisory Committee October 16,2012 ∗ Wanda Reder ∗ Susan Kelly ∗ Bob Curry ∗ Phyllis Reha ∗ Elliot Roseman ∗ Paula Klein Thanks To ∗ In Smart Grid Committee, Conclusion That Issues & Challenges Associated With Consumer Acceptance Required More Detailed Discussion ∗ Reaching This Conclusion Close To October EAC Meeting Resulted In A Detailed Outline Of A Paper Being Achievable Why Separate Paper On Consumer Acceptance & Why An Outline? ∗ Brief Discussion Of Detailed Outline & Draft Recommendations To Guide Developing A Full Paper For EAC Review ∗ Comments Can Be Submitted Over The Next Two Weeks ∗ Develop An Approach & Schedule To Develop Full Paper For EAC Review

347

AMIE (ARM MJO Investigation Experiment):  

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7 7 AMIE (ARM MJO Investigation Experiment): Observations of the Madden-Julian Oscillation for Modeling Studies Science Plan ARM Climate Research Facility Tropical Western Pacific Manus Site October 2011-March 2012 C Long Principal Investigator A DelGenio P May W Gustafson S McFarlane R Houze P Minnis C Jakob C Schumacher M Jensen A Vogelmann S Klein Y Wang L Ruby Leung X Wu X Liu S Xie E Luke March 2010 DISCLAIMER This report was prepared as an account of work sponsored by the U.S Government Neither the United States nor any agency thereof, nor any of their employees, makes any warranty, express or implied, or assumes any legal liability or responsibility for the accuracy, completeness, or usefulness of any information, apparatus, product, or process disclosed,

348

Reducing Foreign Lithium Dependence through Co-Production of Lithium from Geothermal Brine  

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Foreign Lithium Dependence through Co-Production of Lithium from Foreign Lithium Dependence through Co-Production of Lithium from Geothermal Brine Kerry Klein 1 , Linda Gaines 2 1 New West Technologies LLC, Washington, DC, USA 2 Center for Transportation Research, Argonne National Laboratory, Argonne, IL, USA KEYWORDS Mineral extraction, zinc, silica, strategic metals, Imperial Valley, lithium ion batteries, electric- drive vehicles, battery recycling ABSTRACT Following a 2009 investment of $32.9 billion in renewable energy and energy efficiency research through the American Recovery and Reinvestment Act, President Obama in his January 2011 State of the Union address promised deployment of one million electric vehicles by 2015 and 80% clean energy by 2035. The United States seems poised to usher in its bright energy future,

349

Research Highlight  

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ARM M-PACE Data Used to Evaluate and Improve Arctic Mixed-Phase Clouds ARM M-PACE Data Used to Evaluate and Improve Arctic Mixed-Phase Clouds Simulated in Climate Models Download a printable PDF Submitter: Xie, S., Lawrence Livermore National Laboratory Area of Research: General Circulation and Single Column Models/Parameterizations Working Group(s): Cloud Modeling Journal Reference: Xie, S, J Boyle, SA Klein, X Liu, and S Ghan. 2008. "Simulations of Arctic mixed-phase clouds in forecasts with CAM3 and AM2 for M-PACE." Journal of Geophysical Research 113, D04211, doi:10.1029/2007JD009225. Time-height cross sections of active remote sensing cloud layer (ARSCL) cloud frequency (a) and modeled cloud fraction (b) CAM3, (c) AM2, and (d) CAM3LIU at Barrow during M-PACE. The unit is %. Liquid fraction as a function of cloud height. (a) UND citation data, (b)

350

Research Highlight  

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Weather Forecasting in the Tropics with Climate Models Is Feasible Weather Forecasting in the Tropics with Climate Models Is Feasible Submitter: Boyle, J., Lawrence Livermore National Laboratory Area of Research: General Circulation and Single Column Models/Parameterizations Working Group(s): Cloud Modeling Journal Reference: Climate Model Forecast Experiments for TOGA-COARE. J. Boyle,S. Klein,G. Zhang,S. Xie,X. Wei. Accepted by Monthly Weather Review Figure 1. Profiles of the apparent heat source (Q1) at the TOGA-COARE central site for the observations and day-two forecasts of the CAM, CAM with Zhang modification (ZMO), and AM2 averaged over the entire TOGA-COARE period are shown. Units are degrees Kelvin day. The CAM with the Zhang modified deep convection produced the best fit to the observations. Proper simulation of both the magnitude and level of maximum heating were shown to

351

ARM Science Plan  

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ER-ARM-0402 ER-ARM-0402 Atmospheric Radiation Measurement Program Science Plan Current Status and Future Directions of the ARM Science Program Thomas P. Ackerman, Lead Author Anthony D. Del Genio Gregory M. McFarquhar Robert G. Ellingson Peter J. Lamb Richard A. Ferrare Charles N. Long Steve A. Klein Johannes Verlinde October 2004 United States Department of Energy Office of Science, Office of Biological and Environmental Research Executive Summary The Atmospheric Radiation Measurement (ARM) Program has matured into one of the key programs in the U.S. Climate Change Science Program. The ARM Program has achieved considerable scientific success in a broad range of activities, including site and instrument development, atmospheric radiative

352

Memorandum: Direction and Guidance for Implementing Direct DOE Relationship  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Direction and Guidance for Implementing Direct DOE Direction and Guidance for Implementing Direct DOE Relationship & Funding for the EMSSAB Memorandum: Direction and Guidance for Implementing Direct DOE Relationship & Funding for the EMSSAB From: Designated Federal Officer, Sandra L. Waisley (EM-11) To: SSAB Members (G. Stegner, J. Reising, G. Bowman, T. Taylor, C. Gertz, B. Murphie, S. McCracken, M. Marvin, J. Rampe, A. Doswell, C. Anderson, B. Wethington, S. Brennan, K. Kozeliski, D. Dollins, P. Halsey, Y. Sherman, L. Bratcher, R. Warther, K. Klein, R. Schepens, F. Lockhart, J. Allison, R. Erickson, E. Sellers, K. Carlson, G. Boyd, R. Butler) The memorandum informs of Assistant Secrectary Roberson's direction and guidance for implementing a DOE direct relationship and funding approach for EM's Site-Specific Advisory Board (EMSSAB).

353

CONF-871190-1  

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M- ni M- ni CONF-871190-1 0^^ DE88 002672 THE MORPHOLOGY OF EMULSION POLYMERIZED LATEX PARTICLES* G. D. Wignall^ and V. R. Ramakiislman^ National Center for Small-Aiigle Scattering Researdi Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831 M. A. Linne^, A. Klein, and L. H. Sperling Polymer Science and En^eering Program Lehigh Univera^ \ ,i Bethlehem, Pennsylvama 18015 M. P. Wai, R. A. Gehnan, M. G* Iktica^^and^lUH. Hoerl Hercules Researdi*Centeri;%^Ml!^j ~ W i h n i n g t o n , - D E i 9 ^ # % | 5 ' L. W. Fisher§, S. M. Melpolder+, and J. M. 0'Rally+ ^Analytical Technology Division and '*'Corporate Research Laboratories, Eastman Kodak Compai^ Rochester, New York 14650 c ABSTRACT Under monomer starved feed conditions, emulsion, polymerization of perdeuterated

354

Small Modular Fast Reactor Design Description Joint Effort  

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July 1, 2005 ANL-SMFR-1 July 1, 2005 ANL-SMFR-1 Small Modular Fast Reactor Design Description Joint Effort by Argonne National Laboratory (ANL) Commissariat a l'Energie Atomique (CEA) and Japan Nuclear Cycle Development Institute (JNC) Project Leaders Y. I. Chang and C. Grandy, ANL P. Lo Pinto, CEA M. Konomura, JNC Technical Contributors ANL: J. Cahalan, F. Dunn, M. Farmer, S. Kamal, L. Krajtl, A. Moisseytsev, Y. Momozaki, J. Sienicki, Y. Park, Y. Tang, C. Reed, C. Tzanos, S. Wiedmeyer, and W. Yang CEA: P. Allegre, J. Astegiano, F. Baque, L. Cachon, M. S. Chenaud, J-L Courouau, Ph. Dufour, J. C. Klein, C. Latge, C. Thevenot, and F. Varaine JNC: M. Ando, Y. Chikazawa, M. Nagamura, Y. Okano, Y. Sakamoto,

355

SSRL HEADLINES June 2008  

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2 June, 2008 2 June, 2008 __________________________________________________________________________ Contents of this Issue: Science Highlight - Keeping Electronics in Line with the Law Science Highlight - Electronics go Organic Safety Reminder Beam Line Updates Register for 2008 SSRL/LCLS Users' Meeting & Workshops, October 15-18, 2008 Call for Nominations for Spicer, Klein and Lytle Awards Sign Up for the Synchrotron Summer School, August 17-22, 2008 SSRL User Receives First Polymer International-IUPAC Award Stanford/SSRL Researchers Receive $25 Million Grant for Solar Research Kornberg Advises Support for Basic Science to Solve Medical Challenges Dr. Harriet Kung becomes Associate Director of the Office of Science for the Office of Basic Energy Sciences User Research Administration Update

356

Patent Application for sweeping GPR tool  

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Low-Cost GPR Gas Pipe & Leak Detector Low-Cost GPR Gas Pipe & Leak Detector DE-FC26-01NT41317 Final Report Reporting period Start Date: 30 October 2001 Reporting period End Date: 30 November 2004 Date report issued 30 March 2005 Principal Authors; David Cist, Alan Schutz DOE award number DE-FC26-01NT41317 Submitted By: Geophysical Survey Systems, Inc. 13 Klein Drive N. Salem, NH 03073 Submitted To: Rick Baker (304) 285 4717 US Dept. of Energy NETL This report was prepared as an account of work sponsored by an agency of the United States Government. Neither the United States Government nor any agency thereof, nor any of their employees, makes any warranty, express or implied, or assumes any legal liability or responsibility for the accuracy, completeness, or usefulness of any information, apparatus, product, or process disclosed, or represents

357

Gammasphere Past, Present and Future: M.P. Carpenter Argonne National Laboratory ICW2006  

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8 8 3 Super Conducting Linac Development at Argonne Super Conducting Linac Development at Argonne 1960 1965 1970 1975 1980 1985 1990 1995 2000 2005 2010 EN/FN Tandem Rm. Temp. Helix Superconducting Helix SC Booster Linac ATLAS Project Positive Ion Injector / ECR / Uranium-Upgrade ATLAS Energy Upgrade ANL RIA-SRF Development ANL SC Linac Operation The HELIX Age The HELIX Age * 1969 H. Klein et al (Frankfurt University) propose a heavy-ion linac using normal-conducting helical accelerating structures (HELAC) * HELAC loses out against C. Schmelzer's (Heidelberg University) UNILAC as the choice for the GSI heavy-ion facility * Subsequently several laboratories start pursueing superconducting helical structures (Karlsruhe, Orsay, Argonne CHM) * Good fields are achieved but

358

DOE/SC-ARM-TR-099 ARM Cloud Retrieval Ensemble Data Set  

NLE Websites -- All DOE Office Websites (Extended Search)

099 099 ARM Cloud Retrieval Ensemble Data Set (ACRED) C Zhao MP Jensen S Xie GG Mace SA Klein SA McFarlane R McCoy EJ O'Connor JM Comstock A Protat J Delanoë MD Shupe M Deng D Turner M Dunn Z Wang RJ Hogan September 2011 DISCLAIMER This report was prepared as an account of work sponsored by the U.S. Government. Neither the United States nor any agency thereof, nor any of their employees, makes any warranty, express or implied, or assumes any legal liability or responsibility for the accuracy, 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, process, or service by trade name, trademark, manufacturer, or otherwise, does not

359

ARM - Publications: Science Team Meeting Documents: Evaluation of GFDL SCM  

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Evaluation of GFDL SCM Cloud Fractions and Surface Radiation Fields with Evaluation of GFDL SCM Cloud Fractions and Surface Radiation Fields with Those from the Ground-based Remote Sensing at SGP Kim, Byung-Gon Princeton University Klein, Stephen Lawrence Livermore National Laboratory Mace, Gerald University of Utah Benson, Sally University of Utah The various kinds of approaches to obtain cloud fraction in the model still have the limitations, which accordingly result in the consequent errors in the model radiative fluxes. Because of the different schemes to estimate the cloud fraction by the model and also observation artifacts, the prudent comparisons should be made in order to reach the right answer. This study demonstrates the more revised approaches of comparisons to improve the evaluation of cloud fraction. To do this, a relatively inexpensive and

360

TO J. A. QuigUy, M.D. NATIONALLPADCW~  

Office of Legacy Management (LM)

J. A. QuigUy, M.D. J. A. QuigUy, M.D. NATIONALLPADCW~ OF oliI0 Cincbnati 39, Ohio September 23, 1960 TRIP RBPCRT TO PIONRBR DIVISION, BENDIX AVI4TIONC~ ION, DAVBNPQRT, SOWA,oNSEPTEMBR6-9,196O F. J. Klein CENTRAL FILE The purpose of this trip was tot (1) determine if a Bendix ronic energy cleaning system can clean uranium-contaminated drums to the extent of rcduciug the @ha ccmtazuinatiou level belav that required for sale as %oa-contaminatecl** by AEC Manual Chapter 5182-0s UOOO a dMlOO& average and at peak not more than 25,OOO a d~lOOcm2, and (2) observe . the health and safety aspects of the wotk and insure the adequate decontauimtiou of the machinery, tools, equi~t, aud teat area. This waa a wet operation Md the tauk waa not ventilated; hawever, should

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361

December 4, 2003, Board Public Meeting Transcript  

NLE Websites -- All DOE Office Websites (Extended Search)

1 1 MR. KLEIN: No, sir. CHAIRMAN CONWAY: Okay. Thank you. Anyone else have anything? We turn to Mr. Gallagher, Mr. Ronald Gallagher. We welcome you here. This is your first meeting, I think, with the Board - - MR. GALLAGHER: That's correct. CHAIRMAN CONWAY: interface with the _ _ Board in any way. We welcome you. MR. GALLAGHER : I appreciate it, Mr . Chairman, members of the Board, I appreciate the opportunity to present. I am President and Chief Executive Officer of Fluor Hanford. I assumed those duties the first week of December of this year, so I ' m relatively new at the job. I did bring along with me my Chief Operating Officer, someone I appointed only this last week into that position, George Jackson. CHAIRMAN CONWAY: Please, you ' re welcome

362

Slide 1  

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Diurnal Cycle of Deep Convection Diurnal Cycle of Deep Convection Yunyan Zhang, Stephen A. Klein and Renata Mccoy PCMDI, Lawrence Livermore National Laboratory Multi-scale Modeling Framework (MMF) is a new approach in which the conventional cloud parameterization in global climate models (GCM) is substituted by the cloud resolving models (CRM), thus cloud related dynamics, physics and chemical processes could be represented on their native scales. In this study, we aim to develop an evaluation strategy for MMF, especially on the diurnal cycle of deep convections. 3-hourly global data for July, 1999 are collected from MMF simulations. Two analyses are shown. In tropics, we compare deep convection precipitation (PI), high cloud (CLD) and upper troposphere humidity (UTH) with the satellite observations. PI, CLD and UTH are retrieved from brightness

363

Research Highlight  

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Evaluation of a New Mixed-Phase Cloud Microphysics Parameterization with Evaluation of a New Mixed-Phase Cloud Microphysics Parameterization with SCAM, CAPT Forecasts and M-PACE Observations Download a printable PDF Submitter: Liu, X., University of Wyoming Area of Research: General Circulation and Single Column Models/Parameterizations Working Group(s): Cloud Modeling Journal Reference: Liu, X, S Xie, and SJ Ghan. 2007. "Evaluation of a new mixed-Phase cloud microphysics parameterization with the NCAR single column climate model (SCAM) and ARM M-PACE observations." Geophysical Research Letters 34, L23712, doi:10.1029/2007GL031446. Xie, S, J Boyle, SA Klein, X Liu and S Ghan. 2008. "Simulations of arctic mixed-phase clouds in forecasts with CAM3 and AM2 for M-PACE." Journal of Geophysical Research, in press.

364

Induced fermionic current in toroidally compactified spacetimes with applications to cylindrical and toroidal nanotubes  

Science Conference Proceedings (OSTI)

The vacuum expectation value of fermionic current is evaluated for a massive spinor field in spacetimes with an arbitrary number of toroidally compactified spatial dimensions in the presence of a constant gauge field. By using the Abel-Plana type summation formula and the zeta-function technique we present the fermionic current in two different forms. Nontrivial topology of the background spacetime leads to the Aharonov-Bohm effect for the fermionic current induced by the gauge field. The current is a periodic function of the magnetic flux with the period equal to the flux quantum. In the absence of gauge field it vanishes for special cases of untwisted and twisted fields. Applications of general formulas to Kaluza-Klein type models and to cylindrical and toroidal carbon nanotubes are given. In the absence of magnetic flux the total fermionic current in carbon nanotubes vanishes, due to the cancellation of contributions from two different sublattices of the hexagonal lattice of graphene.

Bellucci, S. [INFN, Laboratori Nazionali di Frascati, Via Enrico Fermi 40, 00044 Frascati (Italy); Saharian, A. A.; Bardeghyan, V. M. [Department of Physics, Yerevan State University, 1 Alex Manoogian Street, 0025 Yerevan (Armenia)

2010-09-15T23:59:59.000Z

365

Mudrov Twist-related geometries on q-Minkowski space  

E-Print Network (OSTI)

The role of the quantum universal enveloping algebras of symmetries in constructing non-commutative geometry of the space-time including vector bundles, measure, equations of motion and their solutions is discussed. In the framework of the twist theory the Klein-Gordon-Fock and Dirac equations on the quantum Minkowski space are studied from this point of view for the simplest quantum deformation of the Lorentz algebra induced by its Cartan subalgebra twist. 1 The problem of building non-commutative models of the space-time arose in connection with attempts to formulate quantum field theory on this new basis, that could be free from difficulties inherent to the classical differential geometry description. Numerous publications on that matter address it in various aspects, using deformation of the

P. P. Kulish; A. I. Mudrov

1999-01-01T23:59:59.000Z

366

Power-law distributions and fluctuation-dissipation relation in the stochastic dynamics of two-variable Langevin equations  

E-Print Network (OSTI)

We show that the general two-variable Langevin equations with inhomogeneous noise and friction can generate many different forms of power-law distributions. By solving the corresponding stationary Fokker-Planck equation, we can obtain a condition under which these power-law distributions are accurately created in a system away from equilibrium. This condition is an energy-dependent relation between the diffusion coefficient and the friction coefficient and thus it provides a fluctuation-dissipation relation for nonequilibrium systems with power-law distributions. Further, we study the specific forms of the Fokker-Planck equation that correctly leads to such power-law distributions, and then present a possible generalization of Klein-Kramers equation and Smoluchowski equation to a complex system, whose stationary-state solutions are exactly a Tsallis distribution.

Jiulin, Du

2012-01-01T23:59:59.000Z

367

On Spin-Statistics and Bogoliubov Transformations in Flat Spacetime With Acceleration Conditions  

E-Print Network (OSTI)

A single real scalar field of spin zero obeying the Klein-Gordon equation in flat space-time under external conditions is considered in the context of the spin-statistics connection. An imposed accelerated boundary on the field is made to become, in the far future, (1) asymptotically inertial and (2) asymptotically non-inertial (with an infinite acceleration). The constant acceleration Unruh effect is also considered. The systems involving non-trivial Bogoliubov transformations contain dynamics which point to commutation relations. Particles described by in-modes obey the same statistics as particles described by out-modes. It is found in the non-trivial systems that the spin-statistics connection can be manifest from the acceleration. The equation of motion for the boundary which forever emits thermal radiation is revealed.

Michael R. R. Good

2012-05-04T23:59:59.000Z

368

Unified phantom cosmologies  

E-Print Network (OSTI)

We present a general algorithm based on the concept of form-invariance which can be used for generating phantom cosmologies. It involves linear transformations between the kinetic energy and the potential of the scalar field, and transforms solutions of the Einstein-Klein-Gordon equations which preserve the weak energy condition into others which violate it, while keeping the energy density of the field positive. All known solutions representing phantom cosmologies are unified by this procedure. Using the general algorithm we obtain those solutions and show the relations between them. In addition, the scale factors of the product and seed solutions are related by a generalization of the well-known $a\\to a^{-1}$ duality.

Luis P. Chimento; Ruth Lazkoz

2004-05-26T23:59:59.000Z

369

The Little Randall-Sundrum Model at the Large Hadron Collider  

E-Print Network (OSTI)

We present a predictive warped model of flavor that is cut off at an ultraviolet scale O(10^3) TeV. This "Little Randall-Sundrum (LRS)" model is a volume-truncation, by a factor $y \\approx 6$, of the RS scenario and is holographically dual to dynamics with number of colors larger by $y$. The LRS couplings between Kaluza-Klein states and the Standard Model fields, including the proton constituents, are explicitly calculable without ad hoc assumptions. Assuming separate gauge and flavor dynamics, a number of unwanted contributions to precision electroweak, $Z b\\bar b$ and flavor observables are suppressed in the LRS framework, compared with the corresponding RS case. An important consequence of the LRS truncation, independent of precise details, is a significant enhancement of the clean (golden) di-lepton LHC signals, by O(y^3), due to a larger "$\\rho$-photon" mixing and a smaller inter-composite coupling.

Hooman Davoudiasl; Gilad Perez; Amarjit Soni

2008-02-04T23:59:59.000Z

370

Quantum mechanics needs no interpretation  

E-Print Network (OSTI)

Probabilistic description of results of measurements and its consequences for understanding quantum mechanics are discussed. It is shown that the basic mathematical structure of quantum mechanics like the probability amplitude, Born rule, probability density current, commutation relations, momentum operator, uncertainty relations, rules for including the scalar and vector potentials and existence of antiparticles can be derived from the definition of the mean values of the space coordinates and time. Equations of motion of quantum mechanics, the Klein-Gordon equation, Schroedinger equation and Dirac equation are obtained from requirement of the relativistic invariance of the theory. Limit case of localized probability densities leads to the Hamilton-Jacobi equation of classical mechanics. Many particle systems are also discussed.

L. Skala; V. Kapsa

2004-12-22T23:59:59.000Z

371

Mass gap for gravity localized on thick branes  

Science Conference Proceedings (OSTI)

We present a scalar thick brane configuration arising in a theory of 5D gravity coupled to a selfinteracting scalar field. We start from a classical solution of the field equations and study the physics of linear fluctuations around this background which obey a Schrdingerlike equation. We further focus our attention on a special case in which it is possible to solve this equation analytically for any massive mode. This fact allows us to make a closed analysis of the massive spectrum of KaluzaKlein (KK) excitations and to compute the corrections to Newtons law in the thin brane limit. There exist two bound states: the massless 4D graviton

N. BarbosaCendejas; A. HerreraAguilar; U. Nucamendi; I. Quiros; M. A. Reyes Santos; C. Schubert

2008-01-01T23:59:59.000Z

372

Flavor mixing in gauge-Higgs unification  

SciTech Connect

Gauge-Higgs unification is the fascinating scenario solving the hierarchy problem without supersymmetry. In this scenario, the Standard Model (SM) Higgs doublet is identified with extra component of the gauge field in higher dimensions and its mass becomes finite and stable under quantum corrections due to the higher dimensional gauge symmetry. On the other hand, Yukawa coupling is provided by the gauge coupling, which seems to mean that the flavor mixing and CP violation do not arise at it stands. In this talk, we discuss that the flavor mixing is originated from simultaneously non-diagonalizable bulk and brane mass matrices. Then, this mechanism is applied to various flavor changing neutral current (FCNC) processes via Kaluza-Klein (KK) gauge boson exchange at tree level and constraints for compactification scale are obtained.

Adachi, Y.; Kurahashi, N.; Lim, C. S.; Maru, N.; Tanabe, K. [Department of Sciences, Matsue College of Technology, Matsue 690-8518 (Japan); Department of Physics, Kobe University, Kobe 657-8501 (Japan); Department of Physics, and Research and Education Center for Natural Sciences, Keio University, Yokohama 223-8521 (Japan); Department of Physics, Kobe University, Kobe 657-8501 (Japan)

2012-07-27T23:59:59.000Z

373

The Higgs Sector on a Two-Sheeted Space Time  

E-Print Network (OSTI)

We present a general formalism based on the framework of non-commutative geometry, suitable to the study the standard model of electroweak interactions, as well as that of more general gauge theories. Left- and right-handed chiral fields are assigned to two different sheets of space-time (a discretized version of Kaluza-Klein theory). Scalar Higgs fields find themselves treated on the same footing as the gauge fields, resulting in spontaneous symmetry breaking in a natural and predictable way. We first apply the formalism to the Standard Model, where one can predict the Higgs mass and the top Yukawa coupling. We then study the left-right symmetric model, where we show that this framework imposes constraints on the type and coefficients of terms appearing in the Higgs potential.

Cosmin Macesanu; Kameshwar C. Wali

2005-03-15T23:59:59.000Z

374

Indirect signatures for axion(-like) particles  

E-Print Network (OSTI)

Magnetic field dependent transient solar observations are suggestive for axion-photon oscillations with light axion(-like) particle involvement. Novel dark-moon measurements with the SMART X-ray detectors can be conclusive for radiatively decaying massive exotica like the generic solar Kaluza-Klein (KK) axions. Furthermore, the predicted intrinsic strong solar magnetic fields could be the reason of enhanced low energy axion production. Such an axion component could be the as yet unknown origin of the strong quiet Sun X-ray luminosity at energies below ? 1 keV. Solar axion telescopes should lower their threshold, aiming to copy processes that might occur near the solar surface, be it due to spontaneous or magnetically induced radiative decay of axion(-like) particles. This is motivated also by the recent claim of an axion-like particle detection by the laser experiment PVLAS. 2 1

K. Zioutas; K. Dennerl; M. Gr; D. H. H. Hoffmann; J. Huovelin; B. Laki?; S. Orl; A. Ortiz; Th. Papaevangelou; Y. Semertzidis

2006-01-01T23:59:59.000Z

375

Search for heavy narrow dilepton resonances in pp collisions at $\\sqrt{s}$ = 7 TeV and $\\sqrt{s}$ = 8 TeV  

E-Print Network (OSTI)

An updated search for heavy narrow resonances decaying to muon or electron pairs using the CMS detector is presented. Data samples from pp collisions at $\\sqrt{s}$ = 7 TeV and 8 TeV at the LHC, with integrated luminosities of up to 5.3 and 4.1 inverse femtobarns, respectively, are combined. No evidence for a heavy narrow resonance is observed. The analysis of the combined data sets excludes, at 95% confidence level, a Sequential Standard Model Z'$_{SSM}$ resonance lighter than 2590 GeV, a superstring-inspired Z'$_{\\psi}$ lighter than 2260 GeV, and Kaluza-Klein gravitons lighter than 2390 (2030) GeV, assuming that the coupling parameter $k/\\bar{M}_{Pl}$ is 0.10 (0.05). These are the most stringent limits to date.

Chatrchyan, Serguei; Sirunyan, Albert M; Tumasyan, Armen; Adam, Wolfgang; Aguilo, Ernest; Bergauer, Thomas; Dragicevic, Marko; Er, Janos; Fabjan, Christian; Friedl, Markus; Fruehwirth, Rudolf; Ghete, Vasile Mihai; Hrmann, Natascha; Hrubec, Josef; Jeitler, Manfred; Kiesenhofer, Wolfgang; Knnz, Valentin; Krammer, Manfred; Krtschmer, Ilse; Liko, Dietrich; Mikulec, Ivan; Pernicka, Manfred; Rabady, Dinyar; Rahbaran, Babak; Rohringer, Christine; Rohringer, Herbert; Schfbeck, Robert; Strauss, Josef; Taurok, Anton; Waltenberger, Wolfgang; Wulz, Claudia-Elisabeth; Mossolov, Vladimir; Shumeiko, Nikolai; Suarez Gonzalez, Juan; Bansal, Monika; Bansal, Sunil; Cornelis, Tom; De Wolf, Eddi A; Janssen, Xavier; Luyckx, Sten; Mucibello, Luca; Ochesanu, Silvia; Roland, Benoit; Rougny, Romain; Selvaggi, Michele; Van Haevermaet, Hans; Van Mechelen, Pierre; Van Remortel, Nick; Van Spilbeeck, Alex; Blekman, Freya; Blyweert, Stijn; D'Hondt, Jorgen; Gonzalez Suarez, Rebeca; Kalogeropoulos, Alexis; Maes, Michael; Olbrechts, Annik; Tavernier, Stefaan; Van Doninck, Walter; Van Mulders, Petra; Van Onsem, Gerrit Patrick; Villella, Ilaria; Clerbaux, Barbara; De Lentdecker, Gilles; Dero, Vincent; Gay, Arnaud; Hreus, Tomas; Lonard, Alexandre; Marage, Pierre Edouard; Mohammadi, Abdollah; Reis, Thomas; Thomas, Laurent; Vander Velde, Catherine; Vanlaer, Pascal; Wang, Jian; Adler, Volker; Beernaert, Kelly; Cimmino, Anna; Costantini, Silvia; Garcia, Guillaume; Grunewald, Martin; Klein, Benjamin; Lellouch, Jrmie; Marinov, Andrey; Mccartin, Joseph; Ocampo Rios, Alberto Andres; Ryckbosch, Dirk; Sigamani, Michael; Strobbe, Nadja; Thyssen, Filip; Tytgat, Michael; Walsh, Sinead; Yazgan, Efe; Zaganidis, Nicolas; Basegmez, Suzan; Bruno, Giacomo; Castello, Roberto; Ceard, Ludivine; Delaere, Christophe; Du Pree, Tristan; Favart, Denis; Forthomme, Laurent; Giammanco, Andrea; Hollar, Jonathan; Lemaitre, Vincent; Liao, Junhui; Militaru, Otilia; Nuttens, Claude; Pagano, Davide; Pin, Arnaud; Piotrzkowski, Krzysztof; Vizan Garcia, Jesus Manuel; Beliy, Nikita; Caebergs, Thierry; Daubie, Evelyne; Hammad, Gregory Habib; Alves, Gilvan; Correa Martins Junior, Marcos; Martins, Thiago; Pol, Maria Elena; Henrique Gomes E Souza, Moacyr; Ald Jnior, Walter Luiz; Carvalho, Wagner; Custdio, Analu; Da Costa, Eliza Melo; De Jesus Damiao, Dilson; De Oliveira Martins, Carley; Fonseca De Souza, Sandro; Malbouisson, Helena; Malek, Magdalena; Matos Figueiredo, Diego; Mundim, Luiz; Nogima, Helio; Prado Da Silva, Wanda Lucia; Santoro, Alberto; Soares Jorge, Luana; Sznajder, Andre; Vilela Pereira, Antonio; Souza Dos Anjos, Tiago; Bernardes, Cesar Augusto; De Almeida Dias, Flavia; Tomei, Thiago; De Moraes Gregores, Eduardo; Lagana, Caio; Da Cunha Marinho, Franciole; Mercadante, Pedro G; Novaes, Sergio F; Padula, Sandra; Genchev, Vladimir; Iaydjiev, Plamen; Piperov, Stefan; Rodozov, Mircho; Stoykova, Stefka; Sultanov, Georgi; Tcholakov, Vanio; Trayanov, Rumen; Vutova, Mariana; Dimitrov, Anton; Hadjiiska, Roumyana; Kozhuharov, Venelin; Litov, Leander; Pavlov, Borislav; Petkov, Peicho; Bian, Jian-Guo; Chen, Guo-Ming; Chen, He-Sheng; Jiang, Chun-Hua; Liang, Dong; Liang, Song; Meng, Xiangwei; Tao, Junquan; Wang, Jian; Wang, Xianyou; Wang, Zheng; Xiao, Hong; Xu, Ming; Zang, Jingjing; Zhang, Zhen; Asawatangtrakuldee, Chayanit; Ban, Yong; Guo, Yifei; Li, Wenbo; Liu, Shuai; Mao, Yajun; Qian, Si-Jin; Teng, Haiyun; Wang, Dayong; Zhang, Linlin; Zou, Wei; Avila, Carlos; Carrillo Montoya, Camilo Andres; Gomez, Juan Pablo; Gomez Moreno, Bernardo; Osorio Oliveros, Andres Felipe; Sanabria, Juan Carlos; Godinovic, Nikola; Lelas, Damir; Plestina, Roko; Polic, Dunja; Puljak, Ivica; Antunovic, Zeljko; Kovac, Marko; Brigljevic, Vuko; Duric, Senka; Kadija, Kreso; Luetic, Jelena; Mekterovic, Darko; Morovic, Srecko; Tikvica, Lucija; Attikis, Alexandros; Galanti, Mario; Mavromanolakis, Georgios; Mousa, Jehad; Nicolaou, Charalambos; Ptochos, Fotios; Razis, Panos A; Finger, Miroslav; Finger Jr, Michael; Assran, Yasser; Elgammal, Sherif; Ellithi Kamel, Ali; Kuotb Awad, Alaa Metwaly; Mahmoud, Mohammed; Radi, Amr; Kadastik, Mario; Mntel, Mait; Murumaa, Marion; Raidal, Martti; Rebane, Liis; Tiko, Andres; Eerola, Paula; Fedi, Giacomo; Voutilainen, Mikko; Hrknen, Jaakko; Heikkinen, Mika Aatos; Karimki, Veikko; Kinnunen, Ritva; Kortelainen, Matti J; Lampn, Tapio; Lassila-Perini, Kati; Lehti, Sami; Lindn, Tomas; Luukka, Panja-Riina; Menp, Teppo; Peltola, Timo; Tuominen, Eija; Tuominiemi, Jorma; Tuovinen, Esa; Ungaro, Donatella; Wendland, Lauri; Korpela, Arja; Tuuva, Tuure

2013-01-01T23:59:59.000Z

376

Search for heavy narrow dilepton resonances in pp collisions at sqrt(s) = 7 TeV and sqrt(s) = 8 TeV  

E-Print Network (OSTI)

An updated search for heavy narrow resonances decaying to muon or electron pairs using the CMS detector is presented. Data samples from pp collisions at sqrt(s) = 7 TeV and 8 TeV at the LHC, with integrated luminosities of up to 5.3 and 4.1 inverse femtobarns, respectively, are combined. No evidence for a heavy narrow resonance is observed. The analysis of the combined data sets excludes, at 95% confidence level, a Sequential Standard Model Z'[SSM] resonance lighter than 2590 GeV, a superstring-inspired Z'[psi] lighter than 2260 GeV, and Kaluza-Klein gravitons lighter than 2390 (2030) GeV, assuming that the coupling parameter k/M-bar[Pl] is 0.10 (0.05). These are the most stringent limits to date.

CMS Collaboration

2012-12-26T23:59:59.000Z

377

Unitarity and singular backgrounds  

E-Print Network (OSTI)

We compute the graviton Kaluza-Klein spectrum on a gravity-dilaton background with a naked singularity for all possible boundary conditions at the singularity which are consistent with unitary evolution. We apply methods from non-relativistic quantum mechanics with singular Schr\\"{o}dinger potentials. In general the spectrum contains a tachyon, a sign of instability. Only for a particular boundary condition at the singularity is the spectrum free of tachyons. In this case the lowest-lying graviton mode is massless. We argue that this result will also hold for other backgrounds with similar geometry near the curvature singularity. We complete our study with a brief discussion on radion perturbations and the Higgs mechanism on this singular background.

Nikos Brouzakis; Mariano Quiros

2013-09-13T23:59:59.000Z

378

Radion Physics, Stability and Cosmological issues  

Science Conference Proceedings (OSTI)

Moduli fields are a known ingredient of models that involve extra compact dimensions, as the Kaluza-Klein theories, String theory, and models with compact extra dimensions. They are scalar fields that emerge when the configuration of the compact space is perturbed. The radion is a particular example of this type of fields, which is associated to the variations of the total volume of compact space. Radions usually couple to all other fields, affecting the definition of coupling constants and gravity strength. They also modify gravitational potentials in a way that may be tested in table top experiments. Usually, these fields are run away modes which manifest the difficulties to stabilize the shape of the compact manifold of extra space. This is feature that can be a threat for cosmology on the early Universe. Here we provide a brief discussion of these general aspects of the radion physics.

Perez-Lorenzana, Abdel [Departamento de Fisica, Centro de Investigacion y de Estudios Avanzados del I.P.N. Apdo. Post. 14-740, 07000, Mexico, D.F. (Mexico); Santos, Eli [Centro de Estudios en Fisica y Matematicas Basicas y Aplicadas, UNACH, 4a Oriente Norte 1428, C.P. 29000 Tuxtla Gutierrez, Chiapas (Mexico); Instituto de Fisica y Matematicas, Universidad Michoacana de San Nicolas de Hidalgo Edificio C-3, Ciudad Universitaria, CP. 58040 Morelia, Michoacan (Mexico)

2010-07-12T23:59:59.000Z

379

Revisiting pinors, spinors and orientability  

E-Print Network (OSTI)

We study the relations between pin structures on a non-orientable even-dimensional manifold, with or without boundary, and pin structures on its orientable double cover, requiring the latter to be invariant under sheet-exchange. We show that there is not a simple bijection, but that the natural map induced by pull-back is neither injective nor surjective: we thus find the conditions to recover a full correspondence. We also show how to describe such a correspondence using spinors instead of pinors on the double cover: this is in a certain sense possible, but in a way that contains anyhow an explicit reference to pinors. We then consider the example of surfaces, with detailed computations for the real projective plane, the Klein bottle and the Moebius strip.

Loriano Bonora; Fabio Ferrari Ruffino; Raffaele Savelli

2009-07-24T23:59:59.000Z

380

Unified gauge theory for electromagnetism and gravitation based on twistor bundles  

SciTech Connect

A unified gauge theory of the combined gravitational and electromagnetic fields is obtained by two different procedures using twistors as a starting point for the construction of the appropriate bundles. One of these formalisms is obtained by relaxing the conditions on the structure of a twistor bundle theory previously developed by the authors for the Poincare group as the structure group. The other formalism is based on a tensor product bundle and can be readily extended to include structure groups involving direct products of nonabelian groups with the Poincare group. The results of the theory are compared with those obtained in projective theories of the generalized Jordan--Kaluza--Klein type, and some of the essential differences are pointed out.

Luehr, C.P.; Rosenbaum, M.

1984-02-01T23:59:59.000Z

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381

Plasma graviton production in TeV-scale gravity  

E-Print Network (OSTI)

We develop the theory of interaction of classical plasma with Kaluza-Klein (KK) gravitons in the ADD model of TeV-scale gravity. Plasma is described within the kinetic approach as the system of charged particles and Maxwell field both confined on the brane. Interaction with multidimensional gravity living in the bulk with $n$ compact extra dimensions is introduced within the linearized theory. The KK gravitons emission rates are computed taking into account plasma collective effects through the two-point correlation functions of the fluctuations of the plasma energy-momentum tensor. Apart from known mechanisms (such as bremsstrahlung and gravi-Primakoff effect) we find essentially collective channels such as the coalescence of plasma waves into gravitons which may be manifest in turbulent plasmas. Our results indicate that commonly used rates of the KK gravitons production in stars and supernovae may be underestimated.

E. Yu. Melkumova

2010-12-14T23:59:59.000Z

382

B-Spline Finite Elements and their Efficiency in Solving Relativistic Mean Field Equations  

E-Print Network (OSTI)

A finite element method using B-splines is presented and compared with a conventional finite element method of Lagrangian type. The efficiency of both methods has been investigated at the example of a coupled non-linear system of Dirac eigenvalue equations and inhomogeneous Klein-Gordon equations which describe a nuclear system in the framework of relativistic mean field theory. Although, FEM has been applied with great success in nuclear RMF recently, a well known problem is the appearance of spurious solutions in the spectra of the Dirac equation. The question, whether B-splines lead to a reduction of spurious solutions is analyzed. Numerical expenses, precision and behavior of convergence are compared for both methods in view of their use in large scale computation on FEM grids with more dimensions. A B-spline version of the object oriented C++ code for spherical nuclei has been used for this investigation.

W. Poeschl

1998-08-26T23:59:59.000Z

383

B-Spline Finite Elements and their Efficiency in Solving Relativistic Mean Field Equations  

E-Print Network (OSTI)

A finite element method using B-splines is presented and compared with a conventional finite element method of Lagrangian type. The efficiency of both methods has been investigated at the example of a coupled non-linear system of Dirac eigenvalue equations and inhomogeneous Klein-Gordon equations which describe a nuclear system in the framework of relativistic mean field theory. Although, FEM has been applied with great success in nuclear RMF recently, a well known problem is the appearance of spurious solutions in the spectra of the Dirac equation. The question, whether B-splines lead to a reduction of spurious solutions is analyzed. Numerical expenses, precision and behavior of convergence are compared for both methods in view of their use in large scale computation on FEM grids with more dimensions. A B-spline version of the object oriented C++ code for spherical nuclei has been used for this investigation.

Pschl, W

1997-01-01T23:59:59.000Z

384

Distinguishing Supersymmetry From Universal Extra Dimensions or Little Higgs Models With Dark Matter Experiments  

SciTech Connect

There are compelling reasons to think that new physics will appear at or below the TeV-scale. It is not known what form this new physics will take, however. Although The Large Hadron collider is very likely to discover new particles associated with the TeV-scale, it may be difficult for it to determine the nature of those particles, whether superpartners, Kaluza-Klein modes or other states. In this article, we consider how direct and indirect dark matter detection experiments may provide information complementary to hadron colliders, which can be used to discriminate between supersymmetry, models with universal extra dimensions, and Little Higgs theories. We find that, in many scenarios, dark matter experiments can be effectively used to distinguish between these possibilities.

Hooper, Dan; Zaharijas, Gabrijela; /Fermilab

2006-12-01T23:59:59.000Z

385

Warped General Gauge Mediation  

E-Print Network (OSTI)

We develop the formalism of "General gauge mediation" for five dimensional theories in a slice of AdS space. A set of current correlators encodes the effect of a supersymmetry breaking hidden sector localised on the IR brane. These current correlators provide a tree-level gaugino mass and loop-level sfermion masses on the UV brane. We also use this formalism to calculate the Casimir energy and masses for bulk hyperscalars. To illustrate this general construction we consider a perturbative hidden sector of generalised messengers coupled to a spurion. For models with large warping, we find that when the AdS warp factor $k$ is less than the characteristc mass scale $M$ of the hidden sector, the whole Kaluza-Klein tower of vector superfields propagate supersymmetry breaking effects to the UV brane. When $M$ is less than $k$, the zero modes dominate.

Moritz McGarrie; Daniel C. Thompson

2010-09-23T23:59:59.000Z

386

Domain-wall branes in Lifshitz theories  

E-Print Network (OSTI)

We analyze whether or not Lifshitz field theories in 4 + 1 dimensions may provide ultraviolet-complete domain-wall brane models. We first show that Lifshitz scalar field theory can admit topologically stable domain wall solutions. A Lifshitz fermion field is then added to the toy model, and we demonstrate that 3+1- dimensional Kaluza-Klein zero mode solutions do not exist when the four spatial dimensions are treated isotropically. To recover 3 + 1-dimensional chiral fermions dynamically localized to the domain wall, we must postulate the breaking of full 4-dimensional rotational symmetry down to the subgroup of rotations which mix the usual 3-dimensional spatial directions and fix the extra-dimensional axis in addition to the anisotropy between space and time.

Jayne E. Thompson; Raymond R. Volkas

2010-08-12T23:59:59.000Z

387

Photon-radion conversion cross-sections in external electromagnetic field  

E-Print Network (OSTI)

An attempt is made to present some experimental predictions of the Randall-Sundrum model, where compactification radius of the extra dimension is stabilized by the radion, which is a scalar field lighter than the graviton Kaluza-Klein states. We calculate the conversion cross-sections of the photons into the radions in the external electromagnetic fields, namely, in the static fields and in a periodic field of the wave guide. Numerical evaluations of the total cross-sections are also given. Our result shows that the conversion cross-section in the static electric field is quite small. But, in the static magnetic and periodic fields, the radion productions are much enhanced.

P. V. Dong; H. N. Long; D. V. Soa; N. H. Thao

2011-10-11T23:59:59.000Z

388

Effects of Extra Dimensions on Unitarity and Higgs Boson Mass  

E-Print Network (OSTI)

We study the unitarity constraint on the two body Higgs boson elastic scattering in the presence of extra dimensions. The contributions from exchange of spin-2 and spin-0 Kaluza-Klein states can have large effect on the partial wave amplitude. Unitarity condition restrict the maximal allowed value for the ratio r of the center of mass energy to the gravity scale to be less than one. Although the constraint on the standard Higgs boson mass for r of order one is considerably relaxed, for small r the constraint is similar to that in the Standard Model. The resulting bound on the Higgs boson mass is not dramatically altered if perturbative calculations are required to be valid up to the maximal allowed value for r.

Xiao-gang He

1999-01-01T23:59:59.000Z

389

A search for resonant Z pair production  

SciTech Connect

I describe a search for anomalous production of Z pairs through a new massive resonance X in 2.5-2.9 fb{sup -1} of p{bar p} collisions at {radical}s = 1.96 TeV using the CDFII Detector at the Fermilab Tevatron. I reconstruct Z pairs through their decays to electrons, muons, and quarks. To achieve perhaps the most efficient lepton reconstruction ever used at CDF, I apply a thorough understanding of the detector and new reconstruction software heavily revised for this purpose. In particular, I have designed and employ new general-purpose algorithms for tracking at large {eta} in order to increase muon acceptance. Upon analyzing the unblinded signal samples, I observe no X {yields} ZZ candidates and set upper limits on the production cross section using a Kaluza-Klein graviton-like acceptance.

Boveia, Antonio; /UC, Santa Barbara

2008-12-01T23:59:59.000Z

390

Linear collider signals of an invisible Higgs boson in theories of large extra dimensions  

SciTech Connect

We discuss the possibility of detecting a Higgs boson in electron-positron collider experiments if large extra dimensions are realized in nature. In such a case, the Higgs boson can decay invisibly by oscillating into a graviscalar Kaluza-Klein tower. We show that the search for such a Higgs boson at an e{sup +}e{sup -} linear collider entails more complications than are usually thought of in relation to an invisibly decaying Higgs boson. The main sources of such complications are due to the simultaneous presence of a continuum graviton production and the broadening of the Higgs peak. We discuss possible ways of overcoming such difficulties and conclude that the detection of such a Higgs boson might still be a problem beyond the mass range of 250-300 GeV.

Datta, Anindya [INFN, Sezione di Roma, Universita La Sapienza, P. le A. Moro 2, Rome I-00185 (Italy); Huitu, Katri [Helsinki Institute of Physics, P.O. Box 64, FIN-00014 University of Helsinki (Finland); High Energy Physics Division, Department of Physical Sciences, P.O. Box 64, FIN-00014 University of Helsinki (Finland); Laamanen, Jari [Helsinki Institute of Physics, P.O. Box 64, FIN-00014 University of Helsinki (Finland); Mukhopadhyaya, Biswarup [Harish Chandra Research Institute, Chhatnag Road, Jhusi, Allahabad - 211 019 (India)

2004-10-01T23:59:59.000Z

391

Large Extra Dimensions, Sterile Neutrinos and Solar Neutrino Data  

Science Conference Proceedings (OSTI)

Solar, atmospheric, and LSND neutrino oscillation results require a light sterile neutrino, {nu}{sub B} , which can exist in the bulk of extra dimensions. Solar {nu}{sub e} , confined to the brane, can oscillate in the vacuum to the zero mode of {nu}{sub B} and via successive Mikheyev-Smirnov-Wolfenstein transitions to Kaluza-Klein states of {nu}{sub B} . This new way to fit solar data is provided by both low and intermediate string scale models. From average rates seen in the three types of solar experiments, the Super-Kamiokande spectrum is predicted with 73% probability, but dips characteristic of the 0.06 mm extra dimension should be seen in the SNO spectrum.

Caldwell, D. O.; Mohapatra, R. N.; Yellin, S. J.

2001-07-23T23:59:59.000Z

392

Real Scalar Fields on Manifolds  

E-Print Network (OSTI)

A generic theory of a single real scalar field is considered, and a simple method is presented for obtaining a class of solutions to the equation of motion. These solutions are obtained from a simpler equation of motion that is generated by replacing a set of the original coordinates by a set of generalized coordinates, which are harmonic functions in the spacetime. These ansatz solutions solve the original equation of motion on manifolds that are defined by simple constraints. These manifolds, and their dynamics, are independent of the form of the scalar potential. Some scalar field solutions, and manifolds upon which they exist, are presented for Klein-Gordon and quartic potentials as examples. Solutions existing on leaves of a foliated space may allow inferences of the characteristics expected of exact bulk solutions.

J. R. Morris

2008-10-03T23:59:59.000Z

393

Spinless particles in the field of unequal Scalar-Vector Yukawa potentials  

E-Print Network (OSTI)

We present analytical bound state solutions of the spin-zero Klein-Gordon (KG) particles in the field of unequal mixture of scalar and vector Yukawa potentials within the framework of the approximation scheme to the centrifugal potential term for any arbitrary -state. The approximate energy eigenvalues and unnormalized wave functions are obtained in closed forms using a simple shortcut of the Nikiforov-Uvarov (NU) method. Further, we solve the KG-Yukawa problem for its exact numerical energy eigenvalues via amplitude phase (AP) method to test the accuracy of the present solutions found by using the NU method. Our numerical tests using energy calculations demonstrate the existence of inter-dimensional degeneracy amongst energy states of the KG-Yukawa problem. The dependence of the energy on the dimension is numerically discussed for spatial dimensions

Majid Hamzavi; Sameer M. Ikhdair; Karl-Erik Thylwe

2013-07-31T23:59:59.000Z

394

Deconstructing KK Monopoles  

E-Print Network (OSTI)

We describe a procedure for finding Kaluza-Klein monopole solutions in deconstructed four and five dimensional supersymmetric gauge theories. In the deconstruction of a four dimensional theory, the KK monopoles are finite-action solutions of the Euclidean equations of motion of the finite lattice spacing theory. The "lattice" KK monopoles can be viewed as constituents of continuum-limit four dimensional instantons. In the five dimensional case, the KK monopoles are static finite-energy stringlike configurations, wrapped and twisted around the compact direction, and can similarly be interpreted as constituents of five dimensional finite-energy gauge solitons. We discuss the quantum numbers and zero modes of the towers of deconstructed KK monopoles and their significance for understanding anomalies and nonperturbative effects in deconstruction.

Erich Poppitz

2003-06-20T23:59:59.000Z

395

GAMMA-RAY BLAZARS NEAR EQUIPARTITION AND THE ORIGIN OF THE GeV SPECTRAL BREAK IN 3C 454.3  

SciTech Connect

Observations performed with the Fermi-LAT telescope have revealed the presence of a spectral break in the GeV spectrum of flat-spectrum radio quasars (FSRQs) and other low- and intermediate-synchrotron peaked blazars. We propose that this feature can be explained by Compton scattering of broad-line region photons by a non-thermal population of electrons described by a log-parabolic function. We consider in particular a scenario in which the energy densities of particles, magnetic field, and soft photons in the emitting region are close to equipartition. We show that this model can satisfactorily account for the overall spectral energy distribution of the FSRQ 3C 454.3, reproducing the GeV spectral cutoff due to Klein-Nishina effects and a curving electron distribution.

Cerruti, Matteo [Harvard-Smithsonian Center for Astrophysics, 60 Garden Street, 02138 Cambridge, MA (United States); Dermer, Charles D. [Space Science Division, Code 7653, U.S. Naval Research Laboratory, Washington, DC 20375 (United States); Lott, Benoit [CENBG, Universite de Bordeaux, CNRS/IN2P3, UMR 7595, Gradignan F-33175 (France); Boisson, Catherine; Zech, Andreas, E-mail: matteo.cerruti@cfa.harvard.edu, E-mail: charles.dermer@nrl.navy.mil [LUTH, Observatoire de Paris, CNRS, Universite Paris Diderot, 5 Place Janssen, F-92190 Meudon (France)

2013-07-01T23:59:59.000Z

396

Laser assisted Compton scattering of X-ray photons  

E-Print Network (OSTI)

The Compton scattering of X-ray photons, assisted by a short intense optical laser pulse is discussed. The differential scattering cross section reveals the interesting feature that the main Klein-Nishina line is accompanied by a series of side-lines forming a broad plateau where up to ${\\cal O} (10^3)$ laser photons participate simultaneously in a single scattering event. Due to the non-linear mixing of X-ray and laser photons a frequency dependent rotation of the polarization of the final state photons relative to the scattering plane emerges. A consistent description of the scattering process with short laser pulses requires to work with X-ray pulses. An experimental investigation can be accomplished, e.g., at LCLS or the European XFEL in the near future.

D. Seipt; B. Kampfer

2013-09-09T23:59:59.000Z

397

Solar X-rays as Signature for New Particles  

E-Print Network (OSTI)

Massive axions of the Kaluza-Klein type, created inside the solar core, can be gravitationally trapped by the Sun itself in orbits inside/outside the Sun, where they accumulate over cosmic times. Their spontaneous or induced radiative decay can give rise to various solar phenomena, like the celebrated solar coronal heating, which lacks a conventional explanation since its first observation in 1939. Such and other recent observations favour the existence of a halo of exotic particles near the Sun. X-ray (solar) telescopes can provide novel and important informations for astroparticle physics and cosmology. The underlying solar axion scenario is presented in details in ref.s [4, 15], which can be consulted for further reading. 1

K. Zioutas

2004-01-01T23:59:59.000Z

398

Spinless Quantum Field Theory and Interpretation  

E-Print Network (OSTI)

Quantum field theory is mostly known as the most advanced and well-developed theory in physics, which combines quantum mechanics and special relativity consistently. In this work, we study the spinless quantum field theory, namely the Klein-Gordon equation, and we find that there exists a Dirac form of this equation which predicts the existence of spinless fermion. For its understanding, we start from the interpretation of quantum field based on the concept of quantum scope, we also extract new meanings of wave-particle duality and quantum statistics. The existence of spinless fermion is consistent with spin-statistics theorem and also supersymmetry, and it leads to several new kinds of interactions among elementary particles. Our work contributes to the study of spinless quantum field theory and could have implications for the case of higher spin.

Dong-Sheng Wang

2013-03-07T23:59:59.000Z

399

Reflection and transmission at dimensional boundaries  

E-Print Network (OSTI)

An inhomogeneous Kaluza-Klein compactification of a higher dimensional spacetime may give rise to an effective 4d spacetime with distinct domains having different sizes of the extra dimensions. The domains are separated by domain walls generated by the extra dimensional scale factor. The scattering of electromagnetic and massive particle waves at such boundaries is examined here for models without warping or branes. We consider the limits corresponding to thin (thick) domain walls, i.e., limits where wavelengths are large (small) in comparison to wall thickness. We also obtain numerical solutions for a wall of arbitrary thickness and extract the reflection and transmission coefficients as functions of frequency. Results are obtained which qualitatively resemble those for electroweak domain walls and other "ordinary" domain walls for 4d theories.

Nelson De Leon; John Morris

2006-08-16T23:59:59.000Z

400

Photon-radion conversion cross-sections in external electromagnetic field  

E-Print Network (OSTI)

An attempt is made to present some experimental predictions of the Randall-Sundrum model, where compactification radius of the extra dimension is stabilized by the radion, which is a scalar field lighter than the graviton Kaluza-Klein states. We calculate the conversion cross-sections of the photons into the radions in the external electromagnetic fields, namely, in the static fields and in a periodic field of the wave guide. Numerical evaluations of the total cross-sections are also given. Our result shows that the conversion cross-section in the static electric field is quite small. But, in the static magnetic and periodic fields, the radion productions are much enhanced.

Dong, P V; Soa, D V; Thao, N H; 10.1007/JHEP10(2011)018

2011-01-01T23:59:59.000Z

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401

Lepton Mixing Predictions from Delta(6n^2) Family Symmetry  

E-Print Network (OSTI)

We obtain predictions of lepton mixing parameters for direct models based on Delta(6n^2) family symmetry groups for arbitrarily large n in which the full Klein symmetry is identified as a subgroup of the family symmetry. After reviewing and developing the group theory associated with Delta(6n^2), we find many new candidates for large n able to yield reactor angle predictions within 3 sigma of recent global fits. We show that such Delta(6n^2) models with Majorana neutrinos predict trimaximal mixing with reactor angle theta_{13} fixed up to a discrete choice, an oscillation phase of either zero or pi and the atmospheric angle sum rules theta_{23}=45 degrees -/+ theta_{13}/sqrt{2}, respectively, which are consistent with recent global fits and will be tested in the near future.

King, Stephen F; Stuart, Alexander J

2013-01-01T23:59:59.000Z

402

Lepton Mixing Predictions from Delta(6n^2) Family Symmetry  

E-Print Network (OSTI)

We obtain predictions of lepton mixing parameters for direct models based on Delta(6n^2) family symmetry groups for arbitrarily large n in which the full Klein symmetry is identified as a subgroup of the family symmetry. After reviewing and developing the group theory associated with Delta(6n^2), we find many new candidates for large n able to yield reactor angle predictions within 3 sigma of recent global fits. We show that such Delta(6n^2) models with Majorana neutrinos predict trimaximal mixing with reactor angle theta_{13} fixed up to a discrete choice, an oscillation phase of either zero or pi and the atmospheric angle sum rules theta_{23}=45 degrees -/+ theta_{13}/sqrt{2}, respectively, which are consistent with recent global fits and will be tested in the near future.

Stephen F. King; Thomas Neder; Alexander J. Stuart

2013-05-14T23:59:59.000Z

403

Attoheat transport phenomena  

E-Print Network (OSTI)

Fascinating developments in optical pulse engineering over the last 20 years lead to the generation of laser pulses as short as few femtosecond, providing a unique tool for high resolution time domain spectroscopy. However, a number of the processes in nature evolve with characteristic times of the order of 1 fs or even shorter. Time domain studies of such processes require at first place sub-fs resolution, offered by pulse depicting attosecond localization. The generation, characterization and proof of principle applications of such pulses is the target of the attoscience. In the paper the thermal processes on the attosecond scale are described. The Klein-Gordon and Proca equations are developed. The relativistic effects in the heat transport on nanoscale are discussed. It is shown that the standard Fourier equation can not be valid for the transport phenomena induced by attosecond laser pulses. The heat transport in nanoparticles and nanotubules is investigated.

J. Marciak-Kozlowska; M. Pelc; M. A. Kozlowski

2009-06-09T23:59:59.000Z

404

DOE - Office of Legacy Management -- Gleason Works - NY 55  

Office of Legacy Management (LM)

Gleason Works - NY 55 Gleason Works - NY 55 FUSRAP Considered Sites Site: GLEASON WORKS (NY.55 ) Eliminated from consideration under FUSRAP Designated Name: Not Designated Alternate Name: None Location: Rochester , New York NY.55-1 Evaluation Year: 1994 NY.55-2 Site Operations: Metal fabrication operations - Rolled uranium metal. NY.55-1 Site Disposition: Eliminated - Potential for contamination considered remote NY.55-2 Radioactive Materials Handled: Yes Primary Radioactive Materials Handled: Uranium NY.55-1 Radiological Survey(s): Health and Safety Monitoring NY.55-1 NY.55-3 Site Status: Eliminated from consideration under FUSRAP Also see Documents Related to GLEASON WORKS NY.55-1 - NLO Report; Klein to Quigley; Trip Report to the Gleason Works, Rochester, New York on October 30 Thru November 10, 1961; December

405

s056.dvi  

NLE Websites -- All DOE Office Websites (Extended Search)

Bosons Bosons Other Than Higgs Bosons, Searches for We list here various limits on charged and neutral heavy vector bosons (other than W 's and Z 's), heavy scalar bosons (other than Higgs bosons), vector or scalar leptoquarks, and axigluons. The latest unpublished results are described in "W ' Searches" and "Z ' Searches" reviews. CONTENTS: CONTENTS: CONTENTS: CONTENTS: Mass Limits for W ' (Heavy Charged Vector Boson Other Than W ) in Hadron Collider Experiments W R (Right-Handed W Boson) Mass Limits Limit on W L -W R Mixing Angle ζ Mass Limits for Z ' (Heavy Neutral Vector Boson Other Than Z ) - Limits for Z ' SM - Limits for Z LR - Limits for Z χ - Limits for Z ψ - Limits for Z η - Limits for other Z ' Indirect Constraints on Kaluza-Klein Gauge Bosons Mass Limits for Leptoquarks from Pair Production Mass Limits for Leptoquarks from Single Production Indirect Limits for Leptoquarks

406

Bench-Scale Cross Flow Filtration of  

NLE Websites -- All DOE Office Websites (Extended Search)

2 2 Evaluation of A New Mixed-Phase Cloud Microphysics Parameterization with the NCAR Climate Atmospheric Model (CAM3) and ARM Observations Fourth Quarter 2007 ARM Metric Report September 2007 Xiaohong Liu and Steven J. Ghan Pacific Northwest National Laboratory Richland, Washington Shaocheng Xie, James Boyle, and Stephen A. Klein Lawrence Livermore National Laboratory Livermore, California Work supported by the U.S. Department of Energy, Office of Science, Office of Biological and Environmental Research X. Liu et al., September 2007, DOE/SC-ARM/P-07-012 Summary Mixed-phase clouds are composed of a mixture of cloud droplets and ice crystals. The cloud microphysics in mixed-phase clouds can significantly impact cloud optical depth, cloud radiative forcing,

407

ARM - Publications: Science Team Meeting Documents: The Potential for  

NLE Websites -- All DOE Office Websites (Extended Search)

The Potential for Retrieving Integrated Cloud Ice Water Content using The Potential for Retrieving Integrated Cloud Ice Water Content using Ground-Based Submillimeter-Wave Radiometry Gasiewski, Albin NOAA Environmental Technology Laboratory Dowlatshahi, Sally NOAA-ETL Klein, Marian CIRES University of Colorado/NOAA Leuskiy, Vladimir University of Colorado/CIRES Westwater, Ed University of Colorado/CIRES Cimini, Domenico CETEMPS, University of L'Aquila, Italy Uttal, Taneil NOAA/Environmental Technology Laboratory Radiometric brightness temperatures observed near the 22.235 GHz water vapor line and near the transmission window at 31 GHz have been used for several years to operationally retrieve integrated water vapor and cloud liquid water path. Such data have been invaluable in understanding the role of moisture and clouds in climate feedback, particularly in the polar

408

ARM - Publications: Science Team Meeting Documents  

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Variability of Continental Liquid-Water Cloud and Its Parameterization Variability of Continental Liquid-Water Cloud and Its Parameterization Using ARM Data Kim, B.-G.(a), Klein, S.A.(b), and Norris, J.R.(c), Princeton University (a), GFDL (b), Scripps Institute of Oceanography (c) Cloud radiative properties are important in the determination of cloud-climate interactions. Additionally, the boundary layer cloud inhomogeneity has a primary influence in reducing the albedo relative to that computed using plane-parallel approximation. Variability in cloud properties at scales smaller than those resolved by large-scale motions may cause significant biases and therefore must parameterized. An attractive solution is to introduce the cloud statistical scheme that uses a probability distribution function (PDF) to represent its subgrid-scale

409

Slide 1  

NLE Websites -- All DOE Office Websites (Extended Search)

Illinois, Champaign, IL Illinois, Champaign, IL October 14-16, 2008 ARM AVP Workshop The Profiling Radiometer for Atmospheric and Cloud Observation PRACO Marian Klein, Vladimir Irisov, Vladimir Leuski University of Illinois, Champaign, IL October 14-16, 2008 ARM AVP Workshop BEST * Established in 2006 * Passive microwave remote sensing * Long experience with airborne, ship-borne, ground based microwave radiometers University of Illinois, Champaign, IL October 14-16, 2008 ARM AVP Workshop 60 GHz Boundary Layer Temperature Profiler Retrieved Boundary Layer Profile (ºK) ~ 2 days Successful operation in several extreme environments: Ship, Aircraft, Ice- breaker, Arctic ground site, and Dirigible University of Illinois, Champaign, IL October 14-16, 2008 ARM AVP Workshop Coastal Ocean Probing

410

National Nuclear Security Administration Pantex Site Office  

NLE Websites -- All DOE Office Websites (Extended Search)

JAN 22 2010 MEMORANDUM FOR: J. Brian Bidwell, Prime Contract Manager, Babcock & Wilcox Technical Services Pantex, LLC / / / FROM: Seb M. Klein, Contracting Officer, Pantex Site Offic ~ SUBJECT: Contract No. DE-AC04-00AL66620, Contract Modification No. M193 to B& W Pantex Contract Enclosed for your retention is an executed copy of the subject modification. This modification revises Part II, Section I - Contract Clauses, Part III Section J, Appendix A - Definitions, Part I - Compensation System, Part II - Benefits Program, Part IV Miscellaneous Human Resources Programs, incorporates Reimbursement Authorizations Thirty (30) Thirty One (31 ) Thirty Two (32), previously approved by a Contracting Officer, replace Appendix E - "List of Applicable Directives," with as of

411

SSRL HEADLINES August 2007  

NLE Websites -- All DOE Office Websites (Extended Search)

2 August, 2007 2 August, 2007 __________________________________________________________________________ Contents of this Issue: Science Highlight - The Chemical Form of Mercury in the Fish We Eat Science Highlight - How Stents Take the Strain 2007 Spicer Young Investigator Award to be Presented to Hugh Harris Jessica Vey to Receive 2007 Klein Award Register for 2007 SSRL/LCLS Users' Meeting and Workshops, September 28-October 3 Learn About SR Techniques or Brush Up Your Skills at September 30 Workshop Several Concurrent Workshops Offered on October 3 Calling Interested Users to Serve on the SSRLUO Executive Committee SSRL Advisory Committees Convene in August Photon Science Job Opportunities __________________________________________________________________________ 1. Science Highlight - The Chemical Form of Mercury in the Fish We Eat

412

December 4, 2003, Board Public Meeting Transcript  

NLE Websites -- All DOE Office Websites (Extended Search)

5 98 confidence, the little bit of confidence, that we've regained, with the regulators and the public. That translates, for us it translates to places like Oak Ridge, Savannah River, and Pantex, the operation of which are critical to national security, so the linkage may not be obvious, but a problem at Hanford can stop our nuclear weapons program. CHAIRMAN CONWAY: Keith, did you want to say one more thing? MR. KLEIN: Yeah. I just, in thinking about how you would characterize our oversight per the Savannah River and said we're increasing whereas Savannah River is decreasing, I guess, I didn't mean to confirm that Savannah River was decreasing. I ' m really not sure that's what Jeff said actually, but I just want to make that clear. CHAIRMAN CONWAY: Thank you. Thank you

413

Are black holes a serious threat to scalar field dark matter models?  

Science Conference Proceedings (OSTI)

Classical scalar fields have been proposed as possible candidates for the dark matter component of the universe. Given the fact that supermassive black holes seem to exist at the center of most galaxies, in order to be a viable candidate for the dark matter halo a scalar field configuration should be stable in the presence of a central black hole, or at least be able to survive for cosmological time scales. In the present work we consider a scalar field as a test field on a Schwarzschild background, and study under which conditions one can obtain long-lived configurations. We present a detailed study of the Klein-Gordon equation in the Schwarzschild space-time, both from an analytical and numerical point of view, and show that indeed there exist quasistationary solutions that can remain surrounding a black hole for large time scales.

Barranco, Juan; Degollado, Juan Carlos [Instituto de Astronomia, Universidad Nacional Autonoma de Mexico, Circuito Exterior C.U., A.P. 70-264, Mexico D.F. 04510 (Mexico); Bernal, Argelia; Diez-Tejedor, Alberto; Megevand, Miguel; Alcubierre, Miguel; Nunez, Dario [Instituto de Ciencias Nucleares, Universidad Nacional Autonoma de Mexico, Circuito Exterior C.U., A.P. 70-543, Mexico D.F. 04510 (Mexico); Sarbach, Olivier [Instituto de Fisica y Matematicas, Universidad Michoacana de San Nicolas de Hidalgo, Edificio C-3, Ciudad Universitaria, 58040 Morelia, Michoacan (Mexico)

2011-10-15T23:59:59.000Z

414

Microsoft Word - Pincus-R.doc  

NLE Websites -- All DOE Office Websites (Extended Search)

Using High-Resolution Cloud Simulations to Explore Using High-Resolution Cloud Simulations to Explore Variability Unresolved in Large-Scale Models R. Pincus National Oceanic and Atmospheric Administration Cooperative Institute for Research in Environmental Science Climate Diagnostics Center Boulder, Colorado S. A. Klein National Oceanic and Atmospheric Administration Geophysical Fluid Dynamics Lab Princeton, New Jersey K.-M. Xu National Aeronautics and Space Administration Langley Research Center Hampton, Virginia Fundamentals Large-scale models represent the atmospheric state as a time-evolving set of values at discrete points, each of which represents the mean within the grid-cell domain, typically 10s to 100s of km. The value at each point changes with time as various dynamic, thermodynamic, and microphysical processes act;

415

ARM - Publications: Science Team Meeting Documents: Update on the ARM  

NLE Websites -- All DOE Office Websites (Extended Search)

Update on the ARM SCM/CRM multi-year continuous forcing datasets at SGP Update on the ARM SCM/CRM multi-year continuous forcing datasets at SGP Xie, Shaocheng Lawrence Livermore National Laboratory Yio, John DOE/Lawrence Livermore National Laboratory Klein, Stephen Lawrence Livermore National Laboratory Cederwall, Richard Lawrence Livermore National Laboratory Statistical study of SCM/CRM simulations requires a long-term (preferably, multiyear) large-scale forcing data. The current approach to develop such multiyear datasets at SGP is to use the NOAA mesoscale model RUC (Rapid Update Cycle) analyses constrained with the ARM surface and TOA measurements by using a variational analysis approach. Using this method, the LLNL ARM data infrastructure team developed a 2-year continuous forcing dataset for 1999-2000 two years ago. Since then, several ARM surface and

416

Sound relativistic quantum mechanics for a strictly solitary nonzero-mass particle, and its quantum-field reverberations  

E-Print Network (OSTI)

It is generally acknowledged that neither the Klein-Gordon equation nor the Dirac Hamiltonian can produce sound solitary-particle relativistic quantum mechanics due to the ill effects of their negative-energy solutions; instead their field-quantized wavefunctions are reinterpreted as dealing with particle and antiparticle simultaneously--despite the clear physical distinguishability of antiparticle from particle and the empirically known slight breaking of the underlying CP invariance. The natural square-root Hamiltonian of the free relativistic solitary particle is iterated to obtain the Klein-Gordon equation and linearized to obtain the Dirac Hamiltonian, steps that have calculational but not physical motivation, and which generate the above-mentioned problematic negative-energy solutions as extraneous artifacts. Since the natural square root Hamiltonian for the free relativistic solitary particle contrariwise produces physically unexceptionable quantum mechanics, this article focuses on extending that Hamiltonian to describe a solitary particle (of either spin 0 or spin one-half) in relativistic interaction with an external electromagnetic field. That is achieved by use of Lorentz-covariant solitary-particle four momentum techniques together with the assumption that well-known nonrelativistic dynamics applies in the particle's rest frame. Lorentz-invariant solitary particle actions, whose formal Hamiltonization is an equivalent alternative approach, are as well explicitly displayed. It is proposed that two separate solitary-particle wavefunctions, one for a particle and the other for its antiparticle, be independently quantized in lieu of "reinterpreting" negative energy solutions--which indeed don't even afflict proper solitary particles.

Steven Kenneth Kauffmann

2009-09-22T23:59:59.000Z

417

Non-thermal high-energy emission from colliding winds of massive stars  

E-Print Network (OSTI)

Colliding winds of massive star binary systems are considered as potential sites of non-thermal high-energy photon production. This is motivated merely by the detection of synchrotron radio emission from the expected colliding wind location. Here we investigate the properties of high-energy photon production in colliding winds of long-period WR+OB-systems. We found that in the dominating leptonic radiation process anisotropy and Klein-Nishina effects may yield spectral and variability signatures in the gamma-ray domain at or above the sensitivity of current or upcoming gamma-ray telescopes. Analytical formulae for the steady-state particle spectra are derived assuming diffusive particle acceleration out of a pool of thermal wind particles, and taking into account adiabatic and all relevant radiative losses. For the first time we include their advection/convection in the wind collision zone, and distinguish two regions within this extended region: the acceleration region where spatial diffusion is superior to convective/advective motion, and the convection region defined by the convection time shorter than the diffusion time scale. The calculation of the Inverse Compton radiation uses the full Klein-Nishina cross section, and takes into account the anisotropic nature of the scattering process. This leads to orbital flux variations by up to several orders of magnitude which may, however, be blurred by the geometry of the system. The calculations are applied to the typical WR+OB-systems WR 140 and WR 147 to yield predictions of their expected spectral and temporal characteristica and to evaluate chances to detect high-energy emission with the current and upcoming gamma-ray experiments. (abridged)

A. Reimer; M. Pohl; O. Reimer

2005-10-25T23:59:59.000Z

418

Essays on horizontal merger simulation: the curse of dimensionality, retail price discrimination, and supply channel stage-games  

E-Print Network (OSTI)

In the words of Joel I. Klein, former Assistant Attorney General of the United States, â??[a]ntitrust enforcement in the merger area has never been as time-consuming, complex, or as central to the functioning of our economy as it is todayâ? (Klein, 1998). As such, the development of transparent, efficient, and accurate merger analysis tools is an endeavor whose value continues to increase in the eyes of regulators and industry participants alike. Arguably, the most visible result of such endeavors is the emergence and advancement of a practice known as merger simulation. The first goal of this dissertation is to evaluate the merits of the Distance Metric (DM) demand model and its usefulness in merger simulations. Revered by its creators as easy-to-use, flexible, and able to handle large numbers of products, the DM approach has not received the â??road-testingâ? necessary for establishing its practical usefulness. The DM model is used to estimate demand elasticities for 45 bottled-juice products. Elasticities are then used to simulate numerous hypothetical mergers. While adding validity to the alleged strengths of the DM approach, an additional contribution is made by demonstrating the robustness of merger simulation results across 22 DM specifications. Despite the oft-recognized reality of zone pricing by food retailers, this form of price discrimination has received little attention within the context of upstream merger analysis. Thus, the second objective of this dissertation is to relax the conventional merger simulation assumption of uniform pricing by retailers, allowing us to explore the impacts of zone pricing on post-merger price effects. Using the ready-to-eat cereals industry as a backdrop, it is shown that ignoring retail price discrimination veils a potentially diverse set of price effects that are otherwise lost in uniform pricing analyses. The goal of the final essay is to explore the implementation of more realistic supply channel interactions in merger simulations. In particular, a two-stage pricing game is used to conduct merger simulations in the refrigerated orange juice category. The overriding finding is that comparisons with conventionally used models will not be practical until the relationship between demand specification and two-stage game modeling is better understood.

Pofahl, Geoffrey Michael

2006-12-01T23:59:59.000Z

419

File:Ferc wsr-act.pdf | Open Energy Information  

Open Energy Info (EERE)

Ferc wsr-act.pdf Ferc wsr-act.pdf Jump to: navigation, search File File history File usage File:Ferc wsr-act.pdf Size of this preview: 463 × 599 pixels. Other resolution: 464 × 600 pixels. Go to page 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 Go! next page → next page → Full resolution ‎(1,275 × 1,650 pixels, file size: 105 KB, MIME type: application/pdf, 17 pages) File history Click on a date/time to view the file as it appeared at that time. Date/Time Thumbnail Dimensions User Comment current 19:02, 20 October 2012 Thumbnail for version as of 19:02, 20 October 2012 1,275 × 1,650, 17 pages (105 KB) Klein2012 (Talk | contribs) You cannot overwrite this file. Edit this file using an external application (See the setup instructions for more information) File usage There are no pages that link to this file.

420

United States Government  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

2/04 THU 14:52 FAX 423 241 3897 OIG -**- HQ l015 2/04 THU 14:52 FAX 423 241 3897 OIG -**- HQ l015 ol: Fi 13 5.8 (8-09) £1*G (in'mi^)) United States Government Department of Energy Memorandum DATE: April. 22, 2004 REPLY TO ATTN OF: T -36 (A04RL018) Audit Report No.: OAS-L-04-15 SUBJECT: Audit of Disposition of Excess Facilities at the Hanford Site TO: Keith A. Klein, Manager, Richland Operations Office INTRODUCTION AND OBJECTIVE The Hanford Site (Hanford) is the largest of the three original defense production sites founded during World War II. Between 1943 and 1963, nine plutonium production reactors were built along the Columbia River and five processing facilities were built on the site's Central Plateau, with about 1,000 support facilities. Currently, Hanford has a total of 1,500 facilities of which an estimated 1,000 are excess to current and future mission

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421

passage.dvi  

NLE Websites -- All DOE Office Websites (Extended Search)

Passage Passage of particles through matter 1 1. PASSAGE OF PARTICLES THROUGH MATTER Revised January 2012 by H. Bichsel (University of Washington), D.E. Groom (LBNL), and S.R. Klein (LBNL). 1.1. Notation Table 1.1: Summary of variables used in this section. The kinematic variables β and γ have their usual meanings. Symbol Definition Units or Value α Fine structure constant 1/137.035 999 11(46) (e 2 /4πǫ 0 c) M Incident particle mass MeV/c 2 E Incident part. energy γM c 2 MeV T Kinetic energy MeV m e c 2 Electron mass × c 2 0.510 998 918(44) MeV r e Classical electron radius 2.817 940 325(28) fm e 2 /4πǫ 0 m e c 2 N A Avogadro's number 6.022 1415(10) × 10 23 mol -1 ze Charge of incident particle Z Atomic number of absorber A Atomic mass of absorber g mol -1 K/A 4πN A r 2 e m e c 2 /A 0.307 075 MeV g -1 cm 2 for A = 1 g mol -1 I Mean excitation energy eV (Nota bene! ) δ(βγ) Density effect correction to ionization energy

422

Electron Ion Collider: The Next QCD Frontier  

NLE Websites -- All DOE Office Websites (Extended Search)

Ion Collider: Ion Collider: The Next QCD Frontier Understanding the glue that binds us all Electron Ion Collider: The Next QCD Frontier Understanding the glue that binds us all BNL-98815-2012-JA JLAB-PHY-12-1652 arXiv:1212.1701 Authors A. Accardi 14,28 , J. L. Albacete 16 , M. Anselmino 29 , N. Armesto 36 , E. C. Aschenauer 3,† , A. Bacchetta 35 , D. Boer 33 , W. Brooks 37,† , T. Burton 3 , N.-B. Chang 23 , W.-T. Deng 13,23 , A. Deshpande 25,∗,† , M. Diehl 11,† , A. Dumitru 2 , R. Dupr´ e 7 , R. Ent 28,‡ , S. Fazio 3 , H. Gao 12,† , V. Guzey 28 , H. Hakobyan 37 , Y. Hao 3 , D. Hasch 15 , R. Holt 1,† , T. Horn 5,† , M. Huang 23 , A. Hutton 28,† , C. Hyde 20 , J. Jalilian-Marian 2 , S. Klein 17 , B. Kopeliovich 37 , Y. Kovchegov 19,† , K. Kumar 24,† , K. Kumeriˇ cki 40 , M. A. C. Lamont 3 , T. Lappi 34 , J.-H. Lee 3 , Y. Lee 3 , E. M. Levin 26,37 , F.-L. Lin 28 , V. Litvinenko 3 , T. W. Ludlam 3,‡ , C. Marquet

423

Passage  

NLE Websites -- All DOE Office Websites (Extended Search)

Passage Passage of particles through matter 1 27. PASSAGE OF PARTICLES THROUGH MATTER Revised April 2006 by H. Bichsel (University of Washington), D.E. Groom (LBNL), and S.R. Klein (LBNL). 27.1. Notation Table 27.1: Summary of variables used in this section. The kinematic variables β and γ have their usual meanings. Symbol Definition Units or Value α Fine structure constant 1/137.035 999 11(46) (e 2 /4π 0 c) M Incident particle mass MeV/c 2 E Incident particle energy γM c 2 MeV T Kinetic energy MeV m e c 2 Electron mass × c 2 0.510 998 918(44) MeV r e Classical electron radius 2.817 940 325(28) fm e 2 /4π 0 m e c 2 N A Avogadro's number 6.022 1415(10) × 10 23 mol -1 ze Charge of incident particle Z Atomic number of absorber A Atomic mass of absorber g mol -1 K/A 4πN A r 2 e m e c 2 /A 0.307 075 MeV g -1 cm 2 for A = 1 g mol -1 I Mean excitation energy eV (Nota bene! ) δ(βγ) Density effect correction to ionization

424

Generation of coherent structures after cosmic inflation  

Science Conference Proceedings (OSTI)

We investigate the nonlinear dynamics of hybrid inflation models, which are characterized by two real scalar fields interacting quadratically. We start by solving numerically the coupled Klein-Gordon equations in static Minkowski spacetime, searching for possible coherent structures. We find long-lived, localized configurations, which we identify as a new kind of oscillon. We demonstrate that these two-field oscillons allow for ''excited'' states with much longer lifetimes than those found in previous studies of single-field oscillons. We then solve the coupled field equations in an expanding Friedmann-Robertson-Walker spacetime, finding that as the field responsible for inflating the Universe rolls down to oscillate about its minimum, it triggers the formation of long-lived two-field oscillons, which can contribute up to 20% of the total energy density of the Universe. We show that these oscillons emerge for a wide range of parameters consistent with WMAP 7-year data. These objects contain total energy of about 25x10{sup 20} GeV, localized in a region of approximate radius 6x10{sup -26} cm. We argue that these structures could have played a key role during the reheating of the Universe.

Gleiser, Marcelo; Stamatopoulos, Nikitas [Department of Physics and Astronomy, Dartmouth College, Hanover, New Hampshire 03755 (United States); Graham, Noah [Department of Physics, Middlebury College, Middlebury, Vermont 05753 (United States)

2011-05-01T23:59:59.000Z

425

Double wells, scalar fields and quantum phase transitions in ions traps  

E-Print Network (OSTI)

Since Hund's work on the ammonia molecule, the double well potential has formed a key paradigm in physics. Its importance is further underlined by the central role it plays in the Landau theory of phase transitions. Recently, the study of entanglement properties of many-body systems has added a new angle to the study of quantum phase transitions of discrete and continuous degrees of freedom, i.e., spin and harmonic chains. Here we show that control of the radial degree of freedom of trapped ion chains allows for the simulation of linear and non-linear Klein-Gordon fields on a lattice, in which the parameters of the lattice, the non-linearity and mass can be controlled at will. The system may be driven through a phase transition creating a double well potential between different configurations of the ion crystal. The dynamics of the system are controllable, local properties are measurable and tunnelling in the double well potential would be observable.

A. Retzker; R. Thompson; D. Segal; M. B. Plenio

2008-01-04T23:59:59.000Z

426

Induced fermionic current in toroidally compactified spacetimes with applications to cylindrical and toroidal nanotubes  

E-Print Network (OSTI)

The vacuum expectation value of the fermionic current is evaluated for a massive spinor field in spacetimes with an arbitrary number of toroidally compactified spatial dimensions in presence of a constant gauge field. By using the Abel-Plana type summation formula and the zeta function technique we present the fermionic current in two different forms. Non-trivial topology of the background spacetime leads to the Aharonov-Bohm effect on the fermionic current induced by the gauge field. The current is a periodic function of the magnetic flux with the period equal to the flux quantum. In the absence of the gauge field it vanishes for special cases of untwisted and twisted fields. Applications of the general formulae to Kaluz-Klein type models and to cylindrical and toroidal carbon nanotubes are given. In the absence of magnetic flux the total fermionic current in carbon nanotubes vanishes, due to the cancellation of contributions from two different sublattices of the graphene hexagonal lattice.

S. Bellucci; A. A. Saharian; V. M. Bardeghyan

2010-02-08T23:59:59.000Z

427

Kinetics of spin relaxation in quantum wires and channels: Boundary spin echo and formation of a persistent spin helix  

SciTech Connect

In this paper we use a spin kinetic equation to study spin-polarization dynamics in one-dimensional (1D) wires and 2D channels. The spin kinetic equation is valid in both diffusive and ballistic spin transport regimes and therefore is more general than the usual spin drift-diffusion equations. In particular, we demonstrate that in infinite 1D wires with Rashba spin-orbit interaction the exponential spin-relaxation decay can be modulated by an oscillating function. In the case of spin relaxation in finite length 1D wires, it is shown that an initially homogeneous spin polarization spontaneously transforms into a persistent spin helix. We find that a propagating spin-polarization profile reflects from a system boundary and returns back to its initial position similarly to the reflectance of sound waves from an obstacle. The Green's function of the spin kinetic equation is derived for both finite and infinite 1D systems. Moreover, we demonstrate explicitly that the spin relaxation in specifically oriented 2D channels with Rashba and Dresselhaus spin-orbit interactions of equal strength occurs similarly to that in 1D wires of finite length. Finally, a simple transformation mapping 1D spin kinetic equation into the Klein-Gordon equation with an imaginary mass is found thus establishing an interesting connection between semiconductor spintronics and relativistic quantum mechanics.

Slipko, Valeriy A. [Department of Physics and Astronomy and USC Nanocenter, University of South Carolina, Columbia, South Carolina 29208 (United States); Department of Physics and Technology, V. N. Karazin Kharkov National University, Kharkov 61077 (Ukraine); Pershin, Yuriy V. [Department of Physics and Astronomy and USC Nanocenter, University of South Carolina, Columbia, South Carolina 29208 (United States)

2011-10-15T23:59:59.000Z

428

Quasinormal Quantization in deSitter Spacetime  

E-Print Network (OSTI)

A scalar field in four-dimensional deSitter spacetime (dS_4) has quasinormal modes which are singular on the past horizon of the south pole and decay exponentially towards the future. These are found to lie in two complex highest-weight representations of the dS_4 isometry group SO(4,1). The Klein-Gordon norm cannot be used for quantization of these modes because it diverges. However a modified `R-norm', which involves reflection across the equator of a spatial S^3 slice, is nonsingular. The quasinormal modes are shown to provide a complete orthogonal basis with respect to the R-norm. Adopting the associated R-adjoint effectively transforms SO(4,1) to the symmetry group SO(3,2) of a 2+1-dimensional CFT. It is further shown that the conventional Euclidean vacuum may be defined as the state annihilated by half of the quasinormal modes, and the Euclidean Green function obtained from a simple mode sum. Quasinormal quantization contrasts with some conventional approaches in that it maintains manifest dS-invariance throughout. The results are expected to generalize to other dimensions and spins.

Daniel L. Jafferis; Alexandru Lupsasca; Vyacheslav Lysov; Gim Seng Ng; Andrew Strominger

2013-05-23T23:59:59.000Z

429

On a wave-particle in closed and open isotropic universes  

SciTech Connect

The Klein-Gordon equation satisfied by the wave function in general relativity is solved for the metric of the closed and open universe corresponding to Einstein-De Sitter-Friedmann isotropic cosmological model. The angular dependences are specified by spherical harmonics for the longitude and latitude, and for the hyperlatitude by modified spherical harmonics having as variable circular functions for the closed universe and hyperbolic functions for the open universes. The time dependence of the probabilistic wave function is similar for the closed and open universes and is obtained in the following three cases: (I) constant Hubble parameter, (II) constant decceleration parameter, and (III) uniform matter and energy distribution, which corresponds to the Hubble parameter a linear function of time. Thus six solutions are obtained, namely, the three cases I-III each for closed and open isotropic universes. For each of these six solutions is considered: (i) the existence of singularities in space-time including asymptotic time in the future or past, (ii) the square integrability of the wave function over the full extent of the four-dimensional space-time, and (iii) the existence or otherwise of a positive probability density associated with the wave function.

Campos, L. M. B. C. [Centro de Ciencias e Tecnologias Aeronauticas e Espaciais (CCTAE), and Area Cientifica de Mecanica Aplicada e Aeroespacial (ACMAA), Instituto Superior Tecnico, 1049-001 Lisboa (Portugal)

2011-01-15T23:59:59.000Z

430

A METHOD FOR LOCALIZING ENERGY DISSIPATION IN BLAZARS USING FERMI VARIABILITY  

SciTech Connect

The distance of a Fermi-detected blazar {gamma}-ray emission site from a supermassive black hole is a matter of active debate. Here we present a method for testing if the GeV emission of powerful blazars is produced within the subparsec-scale broad-line region (BLR) or farther out in the parsec-scale molecular torus (MT) environment. If the GeV emission takes place within the BLR, the inverse Compton (IC) scattering of the BLR ultraviolet (UV) seed photons that produces the {gamma}-rays takes place at the onset of the Klein-Nishina regime. This causes the electron cooling time to become practically energy-independent and the variation of the {gamma}-ray emission to be almost achromatic. If, on the other hand, the {gamma}-ray emission is produced farther out in the parsec-scale MT, the IC scattering of the infrared (IR) MT seed photons that produces the {gamma}-rays takes place in the Thomson regime, resulting in energy-dependent electron cooling times, manifested as faster cooling times for higher Fermi energies. We demonstrate these characteristics and discuss the applicability and limitations of our method.

Dotson, Amanda; Georganopoulos, Markos [Department of Physics, University of Maryland Baltimore County, 1000 Hilltop Circle, Baltimore, MD 21250 (United States); Kazanas, Demosthenes [NASA Goddard Space Flight Center, Code 660, Greenbelt, MD 20771 (United States); Perlman, Eric S., E-mail: adot1@umbc.edu [Department of Physics and Space Sciences, Florida Institute of Technology, 150 West University Boulevard, Melbourne, FL 32901 (United States)

2012-10-10T23:59:59.000Z

431

Topological charges in SL(2,R) covariant massive 11-dimensional and type IIB supergravity  

Science Conference Proceedings (OSTI)

In this paper we construct closed expressions that correspond to the topological charges of the various 1/2-BPS states of the maximal 10- and 11-dimensional supergravity theories. These expressions are related to the structure of the supersymmetry algebras in curved spacetimes. We mainly focus on IIB supergravity and 11-dimensional supergravity in a double M9-brane background, with an emphasis on the SL(2,R) multiplet structure of the charges and how these map between theories. This includes the charges corresponding to the multiplets of 7- and 9-branes in IIB. We find that examining the possible multiplet structures of the charges provides another tool for exploring the spectrum of BPS states that appear in these theories. As a prerequisite to constructing the charges we determine the field equations and multiplet structure of the 11-dimensional gauge potentials, extending previous results on the subject. The massive gauge transformations of the fields are also discussed. We also demonstrate how these massive gauge transformations are compatible with the construction of an SL(2,R) covariant kinetic term in the 11-dimensional Kaluza-Klein monopole worldvolume action.

Callister, Andrew K.; Smith, Douglas J. [Department of Mathematical Sciences, University of Durham Science Laboratories, South Road, Durham DH1 3LE (United Kingdom)

2009-12-15T23:59:59.000Z

432

TeV blazar gamma-ray emission produced by a cooling pile-up particle energy distribution function  

E-Print Network (OSTI)

We propose a time-dependent one-zone model based on a quasi-Maxwellian `pile-up' distribution in order to explain the time-averaged high energy emission of TeV blazars. The instantaneous spectra are the result of the synchrotron and synchrotron self-Compton emission (SSC) of ultra-relativistic leptons. The particle energy distribution function (EDF) is computed in a self-consistent way, taking into account an injection term of fresh particles, a possible pair creation term, and the particles radiative cooling. The source term is not a usual power-law but rather a `pile-up' distribution, which can result from the combination of a stochastic heating via second order Fermi process and radiative cooling. To validate this approach, we have performed time-averaged fits of the well-known TeV emitter Mrk 501 during the 1997 flaring activity period taking into account the attenuation of the high energy component by cosmic diffuse infrared background (DIrB) and intrinsic absorption via the pair creation process. The model can reproduce very satisfactorily the observed spectral energy distribution (SED). A high Lorentz factor is required to avoid strong pair production; in the case of smaller Lorentz factor, an intense flare in the GeV range is predicted due to the sudden increase of soft photons density below the Klein-Nishina threshold. The possible relevance of such a scenario is discussed.

Ludovic Sauge; Gilles Henri

2004-08-12T23:59:59.000Z

433

Time dependent modelisation of TeV blazars by a stratified jet model  

E-Print Network (OSTI)

We present a new time-dependent inhomogeneous jet model of non-thermal blazar emission. Ultra-relativistic leptons are injected at the base of a jet and propagate along it. We assume continuous reacceleration and cooling, producing a relativistic quasi-maxwellian (or "pile-up") particle energy distribution. The synchrotron and Synchrotron-Self Compton jet emissivity are computed at each altitude. Klein-Nishina effects as well as intrinsic gamma-gamma absorption are included in the computation. Due to the pair production optical depth, considerable particle density enhancement can occur, particularly during flaring states.Time-dependent jet emission can be computed by varying the particle injection, but due to the sensitivity of pair production process, only small variations of the injected density are required during the flares. The stratification of the jet emission, together with a pile-up distribution, allows significantly lower bulk Lorentz factors, compared to one-zone models. Applying this model to the case of PKS 2155-304 and its big TeV flare observed in 2006, we can reproduce simultaneously the average broad band spectrum of this source from radio to TeV, as well as TeV light curve of the flare with bulk Lorentz factor lower than 15.

Timoth Boutelier; Gilles Henri; Pierre-Olivier Petrucci

2008-10-01T23:59:59.000Z

434

An inhomogeneous jet model for the rapid variability of TeV blazars  

E-Print Network (OSTI)

We present a new time-dependent inhomogeneous jet model of non-thermal blazar emission, which reproduces the entire spectral energy distribution together with the rapid gamma-ray variability. Ultra-relativistic leptons are injected at the base of a jet and propagate along the jet structure. We assume continuous reacceleration and cooling, producing a relativistic quasi-maxwellian (or "pile-up") particle energy distribution. The synchrotron and Synchrotron-Self Compton jet emissivity are computed at each altitude. Klein-Nishina effects as well as intrinsic gamma-gamma absorption are included in the computation. Due to the pair production optical depth, considerable particle density enhancement can occur, particularly during flaring states. Time-dependent jet emission can be computed by varying the particle injection, but due to the sensitivity of pair production process, only small variations of the injected density are required during the flares. The stratification of the jet emission, together with a pile-up distribution, allows significantly lower bulk Lorentz factors, compared to one-zone models. Applying this model to the case of PKS2155-304 and its big TeV flare observed in 2006, we can reproduce simultaneously the average broad band spectrum of this source as well as the TeV spectra and TeV light curve of the flare with bulk Lorentz factor lower than 15.

Timoth Boutelier; Gilles Henri; Pierre-Olivier Petrucci

2008-07-31T23:59:59.000Z

435

Warped Unification, Proton Stability and Dark Matter  

E-Print Network (OSTI)

Many extensions of the Standard Model have to face the problem of new unsuppressed baryon-number violating interactions. In supersymmetry, the simplest way to solve this problem is to assume R-parity conservation. As a result, the lightest supersymmetric particle becomes stable and a well-motivated dark matter candidate. In this paper, we show that solving the problem of baryon number violation in non supersymmetric grand unified theories (GUT's) in warped higher-dimensional spacetime can lead to a stable Kaluza-Klein particle. This exotic particle has gauge quantum numbers of a right-handed neutrino, but carries fractional baryon-number and is related to the top quark within the higher-dimensional GUT. A combination of baryon-number and SU(3) color ensures its stability. Its relic density can easily be of the right value for masses in the 10 GeV--few TeV range. An exciting aspect of these models is that the entire parameter space will be tested at near future dark matter direct detection experiments. Other exotic GUT partners of the top quark are also light and can be produced at high energy colliders with distinctive signatures.

Kaustubh Agashe; Geraldine Servant

2004-03-15T23:59:59.000Z

436

Relaxing the Upper Bound on the Mass of the Lightest Supersymmetric Higgs Boson  

E-Print Network (OSTI)

We present a class of supersymmetric models in which the lightest Higgs-boson mass can be as large as a few hundred GeV (200 - 300 GeV) while the successful MSSM prediction for gauge coupling unification is preserved. The theories are formulated on a 5D warped space truncated by two branes, and a part of the Higgs sector is localized on the infrared brane. The structure of the Higgs sector in the four dimensional effective theory below the Kaluza-Klein mass scale is essentially that of the next-to-minimal supersymmetric standard model (NMSSM), or related theories. However, large values of the NMSSM couplings at the weak scale are now possible as these couplings are required to be perturbative only up to the infrared cutoff scale, which can in general be much lower than the unification scale. This allows the possibility of generating a large quartic coupling in the Higgs potential, and thereby significantly raising the Higgs-boson mass bound. We present two particularly simple models. In the first model, the quark and lepton fields are localized on the ultraviolet brane, where the grand unified symmetry is broken. In the second model, the quark and lepton fields are localized on the infrared brane, and the unified symmetry is broken both on the ultraviolet and infrared branes. Our theories potentially allow the possibility of a significant reduction in the fine-tuning needed for correct electroweak symmetry breaking, although this is somewhat model dependent.

Andreas Birkedal; Z. Chacko; Yasunori Nomura

2004-08-30T23:59:59.000Z

437

Higgs Boson Mass and Electroweak-Gravity Hierarchy from Dynamical Gauge-Higgs Unification in the Warped Spacetime  

E-Print Network (OSTI)

Dynamical electroweak symmetry breaking by the Hosotani mechanism in the Randall-Sundrum warped spacetime is examined, relations among the W-boson mass (m_W), the Kaluza-Klein mass scale (M_{KK}), and the Higgs boson mass (m_H) being derived. It is shown that M_{KK}/m_W = (2 pi kR)^{1/2} (pi/theta_W) and m_H /m_W = 0.058 kR (pi/theta_W), where k^2, R, and theta_W are the curvature and size of the extra-dimensional space and the Wilson line phase determined dynamically. For typical values kR = 12 and theta_W = (0.2 to 0.4) pi, one finds that M_{KK} = (1.7 to 3.5) TeV, k = (1.3 to 2.6) x 10^{19} GeV, and m_H = (140 to 280) GeV.

Yutaka Hosotani; Mitsuru Mabe

2005-03-02T23:59:59.000Z

438

$WW?/Z$ production in the Randall-Sundrum model at LHC and CLIC  

E-Print Network (OSTI)

We study the $W^+W^-\\gamma(Z)$ productions at both the CERN Large Hadron Collider (LHC) and the Compact Linear Collider (CLIC) in the framework of the Randall-Sundrum (RS) model. The impacts of the virtual RS Kaluza-Klein (KK) graviton on these processes are studied and compared with the standard model (SM) background. We present the integrated and differential cross sections in both the RS model and the SM. The results show that the relative RS discrepancies at the CLIC differ from those at the LHC, particularly in the transverse momentum and rapidity distributions. We also find that the RS signature performance, as a result of the resonance character of the RS KK-graviton spectrum, is distinctively unlike that in the large extra dimensions model. We conclude that the CLIC with unprecedented precision and high center-of-mass energy has a potential advantage over the LHC in exploring the effects of the RS KK graviton on the $W^+W^-\\gamma(Z)$ production processes.

Li Xiao-Zhou; Ma Wen-Gan; Zhang Ren-You; Guo Lei

2013-03-10T23:59:59.000Z

439

Price for Environmental Neutrino-Superluminality  

E-Print Network (OSTI)

We ask whether the recent OPERA results on neutrino superluminality could be an environmental effect characteristic of the local neighborhood of our planet, without the need of violation of the Poincar\\'e-invariance at a fundamental level. This explanation requires the existence of a new spin-2 field of a planetary Compton wave-length that is coupled to neutrinos and the rest of the matter asymmetrically, both in the magnitude and in the sign. Sourced by the earth this field creates an effective metric on which neutrinos propagate superluminally, whereas other species are much less sensitive to the background. Such a setup, at an effective field theory level, passes all immediate phenomenological tests and its natural prediction is an inevitable appearance of a testable long-range gravity-type fifth force. We then prove that under the assumption of the weakly-coupled Poincar\\'e-invariant physics, the asymmetrically-coupled second massive graviton is the only possible environmental explanation. Despite phenomenological viability, the sign asymmetry of the coupling we identify as the main potential obstacle for a consistent UV-completion. We also discuss the possible identification of this field with a Kaluza-Klein state of an extra dimension in which neutrino can propagate.

Gia Dvali; Alexander Vikman

2011-09-26T23:59:59.000Z

440

Quantum theory of rotational isomerism and Hill equation  

SciTech Connect

The process of rotational isomerism of linear triatomic molecules is described by the potential with two different-depth minima and one barrier between them. The corresponding quantum-mechanical equation is represented in the form that is a special case of the Hill equation. It is shown that the Hill-Schroedinger equation has a Klein's quadratic group symmetry which, in its turn, contains three invariant subgroups. The presence of these subgroups makes it possible to create a picture of energy spectrum which depends on a parameter and has many merging and branch points. The parameter-dependent energy spectrum of the Hill-Schroedinger equation, like Mathieu-characteristics, contains branch points from the left and from the right of the demarcation line. However, compared to the Mathieu-characteristics, in the Hill-Schroedinger equation spectrum the 'right' points are moved away even further for some distance that is the bigger, the bigger is the less deep well. The asymptotic wave functions of the Hill-Schroedinger equation for the energy values near the potential minimum contain two isolated sharp peaks indicating a possibility of the presence of two stable isomers. At high energy values near the potential maximum, the height of two peaks decreases, and between them there appear chaotic oscillations. This form of the wave functions corresponds to the process of isomerization.

Ugulava, A.; Toklikishvili, Z.; Chkhaidze, S.; Abramishvili, R. [I. Javakhishvili Tbilisi State University, 3, I. Chavchavadze Avenue, 0179 Tbilisi (Georgia); Chotorlishvili, L. [Institut fuer Physik, Martin-Luther Universitat Halle-Wittenberg, Heinrich-Damerow-Str. 4, 06120 Halle (Germany)

2012-06-15T23:59:59.000Z

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441

ANTI-TUMOUR CYTOTOXICITY OF POLY(A)-CONTAINING MESSENGER RNA ISOLATED FROM TUMOUR- SPECIFIC IMMUNOGENIC RNA  

E-Print Network (OSTI)

Summary.-The transfer of tumour-specific cytotoxicity against a murine fibrosarcoma has been demonstrated in vitro using xenogeneic RNA extracted from tumourcell-immune animals. Poly(A)-tailed messenger RNA from immunogenic RNA was isolated by passage through an oligo(dT)-cellulose column, and evaluated to determine whether the same tumour-specific cytotoxicity could be transferred. Aliquots of normal C3H mouse lymphocytes were treated with poly(A)-containing immune RNA, whole-cell immune RNA lacking poly(A) and total cellular immune RNA. Treated cells were tested in vitro using an adaptation of the Takasugi and Klein microcytotoxicity assay. Percent cytotoxicity was calculated using cells treated with fractions of normal RNA as control. An increase in tumour cytotoxicity was found with poly(A)-containing immune RNA. The optimum dose of poly(A)-tailed immune RNA was estimated as 6*5,ug of RNA per 4 x 106 lymphocytes. Populations of lymphocytes were separated using glass and nylon wool. T- and B-enriched populations were treated with various RNA components. The adherent cell population showed no significant cytotoxicity, whilst treatment of the nonadherent population with poly(A)-tailed immune RNA produced high levels of cytotoxicity. RIBONUCLEIC ACID (RNA) extracted from sensitized lymphoid cells has been shown to transfer immunological responsiveness. This immunogenic RNA (IRNA) free of detectable antigen has been shown to induce humoral antibody production

C. J. Creenup; D. A. Vallera; K. J. Pennline; B. J. Kolodziej; Mn; C. Dodd

1978-01-01T23:59:59.000Z

442

Quantum corrections to static solutions of Nahm equation and Sin-Gordon models via generalized zeta-function  

E-Print Network (OSTI)

One-dimensional Yang-Mills Equations are considered from a point of view of a class of nonlinear Klein-Gordon-Fock models. The case of self-dual Nahm equations and non-self-dual models are discussed. A quasiclassical quantization of the models is performed by means of generalized zeta-function and its representation in terms of a Green function diagonal for a heat equation with the correspondent potential. It is used to evaluate the functional integral and quantum corrections to mass in the quasiclassical approximation. Quantum corrections to a few periodic (and kink) solutions of the Nahm as a particular case of the Ginzburg-Landau (phi-in-quadro) and and Sin-Gordon models are evaluated in arbitrary dimensions. The Green function diagonal for heat equation with a finite-gap potential is constructed by universal description via solutions of Hermit equation. An alternative approach based on Baker-Akhiezer functions for KP equation is proposed . The generalized zeta-function and its derivative at zero point as ...

Leble, Sergey

2008-01-01T23:59:59.000Z

443

Vacuum Polarization Effects in the Global Monopole Spacetime in the Presence of Wu-Yang Magnetic Monopole  

E-Print Network (OSTI)

In this paper we consider the presence of the Wu-Yang magnetic monopole in the global monopole spacetime and their influence on the vacuum polarization effects around these two monopoles placed together. According to Wu-Yang [Nucl. Phys. {\\bf B107}, 365 (1976)] the solution of the Klein-Gordon equation in such an external field will not be an ordinary function but, instead, {\\it section}. Because of the peculiar radial symmetry of the global monopole spacetime, it is possible to cover its space section by two overlapping regions, needed to define the singularity free vector potential, and to study the quantum effects due to a charged scalar field in this system. In order to develop this analysis we construct the explicit Euclidean scalar Green {\\it section} associated with a charged massless field in a global monopole spacetime in the presence of the Abelian Wu-Yang magnetic monopole. Having this Green section it is possible to study the vacuum polarization effects. We explicitly calculate the renormalized vacuum expectation value $Phi(x)^*\\Phi(x) >_{Ren.}$, associated with a charged scalar field operator and the respective energy-momentum tensor, $_{Ren.}$, which are expressed in terms of the parameter which codify the presence of the global and magnetic monopoles.

E. R. Bezerra de Mello

2002-07-05T23:59:59.000Z

444

On the stability of the Kerr metric  

E-Print Network (OSTI)

The reduced (in the angular coordinate $\\phi$) wave equation and Klein-Gordon equation are considered on a Kerr background and in the framework of $C^{0}$-semigroup theory. Each equation is shown to have a well-posed initial value problem,i.e., to have a unique solution depending continuously on the data. Further, it is shown that the spectrum of the semigroup's generator coincides with the spectrum of an operator polynomial whose coefficients can be read off from the equation. In this way the problem of deciding stability is reduced to a spectral problem and a mathematical basis is provided for mode considerations. For the wave equation it is shown that the resolvent of the semigroup's generator and the corresponding Green's functions can be computed using spheroidal functions. It is to be expected that, analogous to the case of a Schwarzschild background, the quasinormal frequencies of the Kerr black hole appear as {\\it resonances}, i.e., poles of the analytic continuation of this resolvent. Finally, stability of the background with respect to reduced massive perturbations is proven for large enough masses.

Horst R. Beyer

2000-08-16T23:59:59.000Z

445

Search for Large Extra Dimensions Based on Observations of Neutron Stars with the Fermi-LAT  

SciTech Connect

Large extra dimensions (LED) have been proposed to account for the apparent weakness of gravitation. These theories also indicate that the postulated massive Kaluza-Klein (KK) gravitons may be produced by nucleon-nucleon bremsstrahlung in the course of core collapse of supernovae. Hannestad and Raffelt have predicted energy spectra of gamma ray emission from the decay of KK gravitons trapped by the gravity of the remnant neutron stars (NS). These and other authors have used EGRET data on NS to obtain stringent limits on LED. Fermi-LAT is observing radio pulsar positions obtained from radio and x-ray catalogs. NS with certain characteristics are unlikely emitter of gamma rays, and emit in radio and perhaps x-rays. This talk will focus on the blind analysis we plan to perform, which has been developed using the 1st 2 months of all sky data and Monte Carlo simulations, to obtain limits on LED based on about 1 year of Fermi-LAT data. Preliminary limits from this analysis using these first 2 months of data will be also be discussed.

Berenji, Bijan; /Stanford U., Appl. Phys. Dept. /SLAC

2012-09-19T23:59:59.000Z

446

Black Strings, Black Rings and State-space Manifold  

E-Print Network (OSTI)

State-space geometry is considered, for diverse three and four parameter non-spherical horizon rotating black brane configurations, in string theory and $M$-theory. We have explicitly examined the case of unit Kaluza-Klein momentum $D_1D_5P$ black strings, circular strings, small black rings and black supertubes. An investigation of the state-space pair correlation functions shows that there exist two classes of brane statistical configurations, {\\it viz.}, the first category divulges a degenerate intrinsic equilibrium basis, while the second yields a non-degenerate, curved, intrinsic Riemannian geometry. Specifically, the solutions with finitely many branes expose that the two charged rotating $D_1D_5$ black strings and three charged rotating small black rings consort real degenerate state-space manifolds. Interestingly, arbitrary valued $M_5$-dipole charged rotating circular strings and Maldacena Strominger Witten black rings exhibit non-degenerate, positively curved, comprehensively regular state-space configurations. Furthermore, the state-space geometry of single bubbled rings admits a well-defined, positive definite, everywhere regular and curved intrinsic Riemannian manifold; except for the two finite values of conserved electric charge. We also discuss the implication and potential significance of this work for the physics of black holes in string theory.

Stefano Bellucci; Bhupendra Nath Tiwari

2010-10-19T23:59:59.000Z

447

White dwarf cooling and large extra dimensions  

E-Print Network (OSTI)

Theories of fundamental interactions with large extra dimensions have recently become very popular. Astrophysical bounds from the Sun, red-giants and SN1987a have already been derived by other authors for the theory proposed by Arkani-Hamed, Dimopoulos and Dvali. In this paper we consider G117-B15A pulsating white dwarf (ZZ Ceti star) for which the secular rate at which the period of its fundamental mode increases has been accurately measured and claimed that this mode of G117-B15A is perhaps the most stable oscillation ever recorded in the optical band. Because an additional channel of energy loss (Kaluza-Klein gravitons) would speed up the cooling rate, one is able to use the aforementioned stability to derive a bound on theories with large extra dimensions. Within the framework of the theory with large extra dimensions proposed by Arkani-Hamed, Dimopoulos and Dvali we find the lower bound on string comapctification scale which is more stringent than solar or red-giant bounds.

Marek Biesiada; Beata Malec

2001-09-28T23:59:59.000Z

448

Enhancement of Loop induced 125GeV Higgs pair production through Large-Extra-Dimensions model at the LHC  

E-Print Network (OSTI)

Based on the analysis of 5 fb^-1 of data at the LHC, the ATLAS and CMS collaborations have presented evidence for a Higgs boson with a mass in the 125 GeV range. We consider the 125 GeV neutral Higgs pair production process in the context of large-extra-dimensions(LED) model including the Kaluza-Klein(KK) excited gravitons at the LHC. We take into account the LED effects coming from gluon-gluon fusion and quark-antiquark collision channels as well as their corresponding next-to-leading order(NLO) QCD loop induced corrections. We analyse their impacts on both the total cross section and some key distributions. Indeed,pp -> HH has the clear advantage of a lower standard model(SM) background compare to process like pp -> jj, though its SM prediction is very small, it is shown that the LED model raises the cross section of Higgs pair production compare to its SM prediction and enhance the transverse momentum(pHT) and invariant mass(MHH) Distributions especially at high scales of pH T and MHH. By including the NLO QCD loop corrections, the scale dependence of total cross section can be reduced obviously. Choose suitable decay modes like HH -> bbrr or HH -> bbmumu and some simple cuts, we can strongly reduce the SM background but keep most of the LED effects, leading Higgs pair production a promising channel to search LED effects.

Hao Sun; Ya-Jin Zhou

2012-11-27T23:59:59.000Z

449

Constraints on large-extra-dimensions model through 125 GeV Higgs pair production at the LHC  

E-Print Network (OSTI)

Based on the analysis of 5 fb^-1 of data at the LHC, the ATLAS and CMS collaborations have presented evidence for a Higgs boson with a mass in the 125 GeV range. We consider the 125 GeV neutral Higgs pair production process in the context of large-extra-dimensions (LED) model including the Kaluza-Klein (KK)excited gravitons at the LHC. We consider the standard model(SM) Higgs pair production in gluon-gluon fusion channel and pure LED effects through graviton exchange as well as their interferences. It is shown that such interferences should be included; the LED model raises the transverse momentum (Pt)and invariant mass (M_HH) distributions at high scales of Pt and M_HH of the Higgs pair production. By using the Higgs pair production we could set the discovery limit on the cutoff scale M_S up to 6 TeV for delta = 2 and 4.5 TeV for delta = 6.

Hao Sun; Ya-Jin Zhou; He Chen

2012-11-22T23:59:59.000Z

450

Triple $Z^0$-boson production in large extra dimensions model at ILC  

E-Print Network (OSTI)

We investigate the effects induced by the interactions of the Kaluza-Klein (KK) graviton with the standard model (SM) particles on the triple $Z^0$-boson production process at the ILC in the framework of the large extra dimension (LED) model. We present the dependence of the integrated cross sections on the electron-positron colliding energy $\\sqrt{s}$, and various kinematic distributions of final $Z^0$ bosons and their subsequential decay products in both the SM and the LED model. We also provide the relationship between the integrated cross section and the fundamental scale $M_S$ by taking the number of the extra dimensions ($d$) as 3, 4, 5, and 6, respectively. The numerical results show that the LED effect can induce a observable relative discrepancy for the integrated cross section ($\\delta_{LED}$), which can reach the value of $13.11% (9.27%)$ when $M_S = 3.5 (3.8) TeV$ and the colliding energy $\\sqrt{s} = 1 TeV$. We find the relative discrepancy of LED effect can even reach few dozen percent in the high transverse momentum area or the central rapidity region of the final $Z^0$-bosons and muons.

Jiang Ruo-Cheng; Li Xiao-Zhou; Ma Wen-Gan; Guo Lei; Zhang Ren-You

2012-11-29T23:59:59.000Z

451

Diversity of universes created by pure gravity  

E-Print Network (OSTI)

We show that a number of problems of modern cosmology may be solved in the framework of multidimensional gravity with high-order curvature invariants, without invoking other fields. We use a method employing a slow-change approximation, able to work with rather a general form of the gravitational action, and consider Kaluza-Klein type space-times with one or several extra factor spaces. A vast choice of effective theories suggested by the present framework may be stressed: even if the initial Lagrangian is entirely fixed, one obtains quite different models for different numbers, dimensions and topologies of the extra factor spaces. As examples of problems addressed we consider (i) explanation of the present accelerated expansion of the Universe, with a reasonably small cosmological constant, and the problem of its fine tuning is considered from a new point of view; (ii) the mechanism of closed wall production in the early Universe; such walls are necessary for massive primordial black hole formation which is an important stage in some scenarios of cosmic structure formation; (iii) sufficient particle production rate at the end of inflation; (iv) it is shown that our Universe may contain spatial domains with a macroscopic size of extra dimensions. We also discuss chaotic attractors appearing at possible nodes of the kinetic term of the effective scalar field Lagrangian.

K. A. Bronnikov; R. V. Konoplich; S. G. Rubin

2006-10-01T23:59:59.000Z

452

Proceedings to the 12th Workshop 'What Comes Beyond the Standard Models', Bled, July 14. - 24., 2009, Slovenia  

E-Print Network (OSTI)

Contents: 1. Likelihood Analysis of the Next-to-minimal Supergravity Motivated Model (C. Balazs and D. Carter) 2. The Multiple Point Principle: Characterization of the Possible Phases for the SMG (D.L. Bennett) 3. Does Dark Matter Consist of Baryons of New Stable Family Quarks? (G. Bregar and N.S. Mankoc Borstnik) 4. P, C and T for Truly Neutral Particles (V.V. Dvoeglazov) 5. Relativistic Equations for Spin Particles: What Can We Learn From Noncommutativity? (V.V. Dvoeglazov) 6. Radiative Charged Fermion Masses and Quark Mixing (VCKM)4x4 in a SU(3) Gauged Flavor Symmetry Model (A. Hernandez-Galeana) 7. Low Energy Binding of Composite Dark Matter with Nuclei as a Solution for the Puzzles of Dark Matter Searches (M.Yu. Khlopov, A.G. Mayorov and E.Yu. Soldatov) 8. On the Possibilities and Impossibilities of Random Dynamics (A. Kleppe) 9. Spin Connection Makes Massless Spinor Chirally Coupled to Kaluza-Klein Gauge Field After Compactification of $M^{1+5}$ to $M^{1+3}$ x Infinite Disc Curved on $S^2$ (D. Lukman, N.S. Mankoc Borstnik and H.B. Nielsen) 10. Offering the Mechanism for Generating Families - the Approach Unifying Spins and Charges Predicts New Families (N.S. Mankoc Borstnik) 11. Confusions That are so Unnecessary (R. Mirman) 12. - 17. Discussion Sections 18. Presentation of VIA and Bled 2009 Workshop Videoconferences (M.Yu. Khlopov)

C. Balazs; D. L. Bennett; G. Bregar; D. Carter; V. V. Dvoeglazov; A. Hernandez-Galeana; M. Yu. Khlopov; A. Kleppe; D. Lukman; N. S. Mankoc Borstnik; A. G. Mayorov; R. Mirman; H. B. Nielsen; E. Yu. Soldatov

2009-12-22T23:59:59.000Z

453

Quiet Sun X-rays as Signature for New Particles  

E-Print Network (OSTI)

We have studied published data from the Yohkoh solar X-ray mission, with the purpose of searching for signals from radiative decays of new, as yet undiscovered massive neutral particles. This search is based on the prediction that solar axions of the Kaluza-Klein type should result in the emission of X-rays from the Sun direction beyond the limb with a characteristic radial distribution. These X-rays should be observed more easily during periods of quiet Sun. An additional signature is the observed emission of hard X-rays by SMM, NEAR and RHESSI. The recent observation made by RHESSI of a continuous emission from the non-flaring Sun of X-rays in the 3 to ~15 keV range fits the generic axion scenario. This work also suggests new analyses of existing data, in order to exclude instrumental effects; it provides the rationale for targeted observations with present and upcoming (solar) X-ray telescopes, which can provide the final answer on the nature of the signals considered here. Such measurements become more promising during the forthcoming solar cycle minimum with an increased number of quiet Sun periods.

K. Zioutas; K. Dennerl; L. DiLella; D. H. H. Hoffmann; J. Jacoby; Th. Papaevangelou

2004-03-08T23:59:59.000Z

454

Transverse Beam Polarizationas an Alternate View into New Physics at CLIC  

SciTech Connect

In e{sup +}e{sup -} collisions, transverse beam polarization can be a useful tool in studying the properties of particles associated with new physics beyond the Standard Model(SM). However, unlike in the case of measurements associated with longitudinal polarization, the formation of azimuthal asymmetries used to probe this physics in the case of transverse polarization requires both e{sup {+-}} beams to be simultaneously polarized. In this paper we discuss the further use of transverse polarization as a probe of new physics models at a high energy, {radical}s = 3 TeV version of CLIC. In particular, we show (i) how measurements of the sign of these asymmetries is sufficient to discriminate the production of spin-0 supersymmetric states from the spin-1/2 Kaluza-Klein excitations of Universal Extra Dimensions. Simultaneously, the contribution to this asymmetry arising from the potentially large SM W{sup +}W{sup -} background can be made negligibly small. We then show (ii) how measurements of such asymmetries and their associated angular distributions on the peak of a new resonant Z{prime}-like state can be used to extract precision information on the Z{prime} couplings to the SM fermions.

Rizzo, Thomas G.; /SLAC

2011-08-12T23:59:59.000Z

455

LHC signals for coset electroweak gauge bosons in warped/composite pseudo-Goldstone boson Higgs models  

SciTech Connect

The framework of a warped extra dimension with the standard model (SM) fields propagating in it is a very well-motivated extension of the SM since it can address both the Planck-weak and flavor hierarchy problems of the SM. Within this framework, solution to the little hierarchy problem motivates extending the SM electroweak (EW) 5D gauge symmetry in such a way that its breakdown to the SM delivers the SM Higgs boson. We study signals at the large hadron collider (LHC) for the extra EW (called coset) gauge bosons, a fundamental ingredient of this framework. The coset gauge bosons, due to their unique EW gauge quantum numbers [doublets of SU(2){sub L}], do not couple at leading order to two SM particles. We find that, using the associated production of the charged coset gauge bosons via their coupling to bottom quark and a (light) Kaluza-Klein excitation of the top quark, the LHC can have a 3{sigma} reach of {approx}2(2.6) TeV for the coset gauge boson masses with {approx}100(1000) fb{sup -1} luminosity. Since current theoretical framework(s) suggest an indirect lower limit on coset gauge boson masses of > or approx. 3 TeV, luminosity or energy upgrade of LHC is likely to be crucial in observing these states.

Agashe, Kaustubh; Azatov, Aleksandr; Zhu Lijun [Maryland Center for Fundamental Physics, Department of Physics, University of Maryland, College Park, Maryland 20742 (United States); Han Tao; Li Yingchuan [Department of Physics, University of Wisconsin, Madison, Wisconsin 53706 (United States); Si Zongguo [Department of Physics, Shandong University, Jinan Shandong 250100 (China)

2010-05-01T23:59:59.000Z

456

Generalizing the ADM Computation to Quantum Field Theory  

E-Print Network (OSTI)

The absence of recognizable, low energy quantum gravitational effects requires that some asymptotic series expansion be wonderfully accurate, but the correct expansion might involve logarithms or fractional powers of Newton's constant. That would explain why conventional perturbation theory shows uncontrollable ultraviolet divergences. We explore this possibility in the context of the mass of a charged, gravitating scalar. The classical limit of this system was solved exactly in 1960 by Arnowitt, Deser and Misner, and their solution does exhibit nonanalytic dependence on Newton's constant. We derive an exact functional integral representation for the mass of the quantum field theoretic system, and then develop an alternate expansion for it based on a correct implementation of the method of stationary phase. The new expansion entails adding an infinite class of new diagrams to each order and subtracting them from higher orders. The zeroth order term of the new expansion has the physical interpretation of a first quantized Klein-Gordon scalar which forms a bound state in the gravitational and electromagnetic potentials sourced by its own probability current. We show that such bound states exist and we obtain numerical results for their masses.

P. J. Mora; N. C. Tsamis; R. P. Woodard

2011-08-22T23:59:59.000Z

457

Constraints on extra-dimensions and variable constants from cosmological gamma ray bursts  

E-Print Network (OSTI)

The observation of the time delay between the soft emission and the high-energy radiation from cosmological gamma ray bursts can be used as an important observational test of multi-dimensional physical theories. The main source of the time delay is the variation of the electromagnetic coupling, due to dimensional reduction, which induces an energy dependence of the speed of light. For photons with energies around 1 TeV, the time delay could range from a few seconds in the case of Kaluza-Klein models to a few days for models with large extra-dimensions. Based on these results we suggest that the detection of the 18-GeV photon $ \\sim $4500 s after the keV/MeV burst in GRB 940217 provides a strong evidence for the existence of extra-dimensions. The time delay of photons, if observed by the next generation of high energy detectors, like, for example, the SWIFT and GLAST satellite based detectors, or the VERITAS ground-based TeV gamma-ray instrument, could differentiate between the different models with extra-dimensions.

T. Harko; K. S. Cheng

2004-07-20T23:59:59.000Z

458

Probing Brane-World Scenarios with Vacuum Refraction of Light Using Gamma-Ray Bursts  

E-Print Network (OSTI)

We argue that in fat brane-world scenarios the light propagating in vacuum will, because of massive ``Kaluza-Klein'' (KK) excitations, experience a refraction. The motion of a photon inside a fat brane can be decomposed in the longitudinal and transverse directions with respect to the surface of the brane. Since the light observable propagation is related only with the longitudinal motion, the observed speed of light depends on the value of the momentum transverse fraction contributing as the massive KK excitations. This is directly connected with the energy of the particles emitting the light, and hence with the frequency of the light itself. Using recent results on the arrival times of radiation of different energies from the measurements of gamma-ray bursters with known redshifts, we establish the limit M>620 TeV on the inverse thickness of the brane, and thus on the masses of the KK excitations. This limit exceeds by at least one order of magnitude the typical energy scale currently in use to characterize brane phenomena in the realm of future colliders.

Merab Gogberashvili; Alexander S. Sakharov; Edward K. G. Sarkisyan

2006-05-30T23:59:59.000Z

459

Brane-World Multigravity  

E-Print Network (OSTI)

In this thesis, we discuss the idea of multigravity, namely the possibility that a significant component of gravity that we feel at intermediate distances (1 mm gravity at cosmological scales emerge as a consequence. Firstly, we consider five dimensional multigravity models with flat branes. We see how the existence of freely moving negative tension branes gives rise to ultralight graviton Kaluza-Klein states. Secondly, we study the moduli corresponding to the position of the branes and the size of the extra dimension, the radions and the dilaton respectively. We show that the radions corresponding to negative tension branes have wrong sign kinetic term. We also derive a stabilization condition for the dilaton in a brane model with general bulk scalar field dynamics. Thirdly, we show how we can reproduce the five dimensional multigravity models with Anti-de Sitter branes of positive tension only. Moreover, we demonstrate how the van Dam-Veltman-Zakharov discontinuity can be circumvented at tree level in Anti-de Sitter space. Finally, we discuss how the above multigravity models can be replicated in six dimensions with flat positive tension branes. This last possibility is the first theoretically and phenomenologically viable realization of the multigravity scenario.

Antonios Papazoglou

2001-12-11T23:59:59.000Z

460

radioCherenkov.dvi  

NLE Websites -- All DOE Office Websites (Extended Search)

. . Coherent radio Cherenkov radiation detectors: Revised February 2013 by S.R. Klein (LBNL/UC Berkeley) 100 10 10 -4 10 -3 10 -5 1.0 0.1 0.01 E 2 I(E ν ) [GeV m -2 s -1 sr -1 ] E ν [GeV] ν NuMoon 10 9 10 10 10 11 10 12 10 13 10 14 10 15 ATCA (no SSR) ATCA (SSR incl.) RICE ANITA Central GZK ν flux predictions Central GZK ν flux predictions Figure 1: Representative ν flux limits from radio-detection experiments, illustrating the energy ranges for different techniques. Shown are limits from the Rice, ANITA, NuMoon and Lunaska (ATCA) collaborations. NuMoon and Lunaska are low and high frequency lunar scans respectively, showing the strengths of the two different frequency bands. The two limits for ATCA are for different models of the lunar regolith; their separation is a measure of the resultant uncertainty. Also shown, for comparison is the mid-range of flux predictions

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461

Broken symmetry as a stabilizing remnant  

Science Conference Proceedings (OSTI)

The Goldberger-Wise mechanism enables one to stabilize the length of the warped extra dimension employed in Randall-Sundrum models. In this work we generalize this mechanism to models with multiple warped throats sharing a common ultraviolet brane. For independent throats this generalization is straightforward. If the throats possess a discrete interchange symmetry like Z{sub n}, the stabilizing dynamics may respect the symmetry, resulting in equal throat lengths, or they may break it. In the latter case the ground state of an initially symmetric configuration is a stabilized asymmetric configuration in which the throat lengths differ. We focus on two- (three-) throat setups with a Z{sub 2} (Z{sub 3}) interchange symmetry and present stabilization dynamics suitable for either breaking or maintaining the symmetry. Though admitting more general application, our results are relevant for existing models in the literature, including the two-throat model with Kaluza-Klein parity, and the three-throat model of flavor with a broken Z{sub 3} symmetry.

Law, Sandy S. C. [Department of Physics, Chung Yuan Christian University, Chung-Li, Taiwan 320 (China); McDonald, Kristian L. [TRIUMF, 4004 Wesbrook Mall, Vancouver, British Columbia, V6T 2A3 (Canada); Max-Planck-Institut fuer Kernphysik, Postfach 10 39 80, 69029 Heidelberg (Germany)

2010-11-15T23:59:59.000Z

462

Particle Data Group - Authors  

NLE Websites -- All DOE Office Websites (Extended Search)

Particle Data Group Associates and Advisors Particle Data Group Associates and Advisors Aguilar-Benitez, Amsler, Antonelli, Arguin, Armstrong, Artuso, Asner, Babu, Baer, Band, Barberio, Barnett, Battaglia, Bauer, Beringer, Bernardi, Bertl, Besson, Bichsel, Biebel, Bloch, Blucher, Blusk, Bunakov, Burchat, Cahn, Carena, Carone, Casas Serradilla, Casper, Cattai, Ceccucci, Chakraborty, Chen, Chivukula, Copic, Cousins, Cowan, Crawford, Dahl, Dalitz, D'Ambrosio, DeGouvea, DeGrand, Damour, Desler, Dissertori, Dobbs, Dobrescu, Donahue, Doser, Drees, Edwards,A, Edwards, Eidelman, Elvira, Erler, Ezhela, Fasso', Feng, Fetscher, Fields, Filimonov, Foster, Freedman, Froidevaux, Fukugita, Gaisser, Garren, Geer, Gerber, Gerbier, Gherghetta, Gibbons, Gilman, Giudice, Goldhaber, Goodman, Grab, Gritsan, Grivaz, Groom, Grünewald, Gurtu, Gutsche, Haber, Hagiwara, Hagmann, Hanhart, Harper , Hayes, Heltsley, Hernàndez-Rey, Hewett, Hikasa, Hinchliffe, Holder, Höcker, Hogan, Höhler, Holtkamp, Honscheid , Huston , Igo-Kemenes, Jackson, James, Jawahery, Johnson, Junk, Karlen, Kayser, Kirkby, Klein, Kleinknecht, Klempt, Knowles, Kolb, Kolda, Kowalewski, Kreitz, Kreps, Krusche, Kuyanov, Kwon, Lahav, Landua, Langacker , Lepage, Liddle, Ligeti, Lin, Liss, Littenberg, Liu, LoSecco, Lugovsky,K, Lugovsky,S, Lugovsky,V, Lynch, Lys, Mahlke, Mangano, Mankov, Manley, Mannel, Manohar, March-Russell, Marciano, Martin, Masoni, Matthews, Milstead, Miquel, Mönig, Mohr, Morrison, Murayama, Nakada, Nakamura, Narain, Nason, Navas, Nevski, Nicholson, Nir, Olive, Oyanagi, Pape, Patrignani, Peacock, Piepke, Porter, Prell, Punzi, Quadt, Quinn, Raby, Raffelt, Ratcliff, Razuvaev, Renk, Richardson, Roesler, Rolandi, Rolli, Romaniouk , Roos, Rosenberg, Rosner, Sachrajda, Sakai, Salam, Sanda, Sarkar, Sauli, Schaffner, Schindler, Schmitt, Schneider, Scott, Seligman, Shaevitz, Shrock, Silari, Skands, Smith, Sjöstrand, Smoot, Sokolosky, Spanier, Spieler, Spooner, Srednicki, Stahl, Stanev, Stone, Stone,S, Streitmatter, Sumiyoshi, Suzuki, Syphers, Tanabashi, Taylor, Terning, Titov, Tkachenko, Törnqvist, Tovey, Trilling, Trippe, Turner, Valencia, van Bibber, Vincter, Venanzoni, Vogel, Voss, Ward, Watari, Webber, Weiglein, Wells, Whalley, Wheeler, Wohl, Wolfenstein, Womersley, Woody, Workman, Yamamoto, Yao, Youssef, Zenin, Zhang, Zhu, Zyla

463

Flavor Physics in the Randall-Sundrum Model: I. Theoretical Setup and Electroweak Precision Tests  

E-Print Network (OSTI)

A complete discussion of tree-level flavor-changing effects in the Randall-Sundrum (RS) model with brane-localized Higgs sector and bulk gauge and matter fields is presented. The bulk equations of motion for the gauge and fermion fields, supplemented by boundary conditions taking into account the couplings to the Higgs sector, are solved exactly. For gauge fields the Kaluza-Klein (KK) decomposition is performed in a covariant R_xi gauge. For fermions the mixing between different generations is included in a completely general way. The hierarchies observed in the fermion spectrum and the quark mixing matrix are explained naturally in terms of anarchic five-dimensional Yukawa matrices and wave-function overlap integrals. Detailed studies of the flavor-changing couplings of the Higgs boson and of gauge bosons and their KK excitations are performed, including in particular the couplings of the standard W and Z bosons. A careful analysis of electroweak precision observables including the S and T parameters and the Zbb couplings shows that the simplest RS model containing only Standard Model particles and their KK excitations is consistent with all experimental bounds for a KK scale as low as a few TeV, if one allows for a heavy Higgs boson and/or for an ultra-violet cutoff below the Planck scale. The study of flavor-changing effects includes analyses of the non-unitarity of the quark mixing matrix, anomalous right-handed couplings of the W bosons, tree-level flavor-changing neutral current couplings of the Z and Higgs bosons, the rare decays t-->c(u)+Z and t-->c(u)+h, and the flavor mixing among KK fermions. The results obtained in this work form the basis for general calculations of flavor-changing processes in the RS model and its extensions.

S. Casagrande; F. Goertz; U. Haisch; M. Neubert; T. Pfoh

2008-07-31T23:59:59.000Z

464

Wave Mechanics without Probability  

E-Print Network (OSTI)

The behavior of monochromatic electromagnetic waves in stationary media is shown to be ruled by a frequency dependent function, which we call Wave Potential, encoded in the structure of the Helmholtz equation. Contrary to the common belief that the very concept of "ray trajectory" is reserved to the eikonal approximation, a general and exact ray-based Hamiltonian treatment, reducing to the eikonal approximation in the absence of Wave Potential, shows that its presence induces a mutual, perpendicular ray-coupling, which is the one and only cause of any typically wave-like phenomenon, such as diffraction and interference. Recalling, then, that the time-independent Schroedinger and Klein-Gordon equations (associating stationary "matter waves" to mono-energetic particles) are themselves Helmholtz-like equations, the exact, ray-based treatment developed for classical electromagnetic waves is extended - without resorting to statistical concepts - to the exact, trajectory-based Hamiltonian dynamics of mono-energetic point-like particles, both in the non-relativistic and in the relativistic case. The trajectories turn out to be perpendicularly coupled, once more, by an exact, stationary, energy-dependent Wave Potential, coinciding in the form, but not in the physical meaning, with the statistical, time-varying, energy-independent "Quantum Potential" of Bohm's theory, which views particles, just like the standard Copenhagen interpretation, as traveling wave-packets. These results, together with the connection which is shown to exist between Wave Potential and Uncertainty Principle, suggest a novel, non-probabilistic interpretation of Wave Mechanics.

Adriano Orefice; Raffaele Giovanelli; Domenico Ditto

2013-02-18T23:59:59.000Z

465

From Baking a Cake to Solving the Schrodinger Equation  

E-Print Network (OSTI)

The primary emphasis of this study has been to explain how modifying a cake recipe by changing either the dimensions of the cake or the amount of cake batter alters the baking time. Restricting our consideration to the genoise, one of the basic cakes of classic French cuisine, we have obtained a semi-empirical formula for its baking time as a function of oven temperature, initial temperature of the cake batter, and dimensions of the unbaked cake. The formula, which is based on the Diffusion equation, has three adjustable parameters whose values are estimated from data obtained by baking genoises in cylindrical pans of various diameters. The resulting formula for the baking time exhibits the scaling behavior typical of diffusion processes, i.e. the baking time is proportional to the (characteristic length scale)^2 of the cake. It also takes account of evaporation of moisture at the top surface of the cake, which appears to be a dominant factor affecting the baking time of a cake. In solving this problem we have obtained solutions of the Diffusion equation which are interpreted naturally and straightforwardly in the context of heat transfer; however, when interpreted in the context of the Schrodinger equation, they are somewhat peculiar. The solutions describe a system whose mass assumes different values in two different regions of space. Furthermore, the solutions exhibit characteristics similar to the evanescent modes associated with light waves propagating in a wave guide. When we consider the Schrodinger equation as a non-relativistic limit of the Klein-Gordon equation so that it includes a mass term, these are no longer solutions.

Edward A. Olszewski

2005-03-28T23:59:59.000Z

466

Comments on Hanford 2012 Accelerating Clean Up and Shrinking the Site  

SciTech Connect

In the late summer of 2000, the Department of Energy Richland Operations Office (RL) Manager, Keith Klein, announced his approach to cleanup of the Hanford Site in a document called ''Done in a Decade.'' He asked for comments and suggestions to improve the plan from employees and stakeholders. We received over 300 individual comments. Several of the comments and the Hanford Advisory Board objected to the title of the plan, leading us to change it to ''Hanford 2012 Accelerating Cleanup and Shrinking the Site.'' We addressed virtually all substantive comments, i.e. those that recommended a change in the text, better understanding of an Issue, or consideration of a new Mea, and incorporated editorial comments where appropriate. We thank all those who took time to comment. The new plan, ''Hanford 2012'', is a much better document because you did so. You will notice some things about the table: Comments are not quoted verbatim--most were paraphrased to conserve space; Comments were separated into one of four sections: general, the River, the Plateau, the Future; Commenters are not identified by name or organization; Comments are generally listed in the order in which they were received, several comments were repetitive, but differed slightly so we made an effort to respond to each one, despite apparent repetition; There are many acronyms used at the Hanford Site, most of which can be found on the Web at http:/Ewww.hanford.gov/acronyml. We have attempted to spell out each acronym the first time it's used in a comment/response with the following exceptions: DOE--Department of Energy; RL--Department of Energy, Richland Operations Office; and ORP--Department of Energy, Office of River Protection.

SHERMAN, Y.T.

2001-01-01T23:59:59.000Z

467

Extended quintessence with an exponential coupling  

E-Print Network (OSTI)

We study a class of extended quintessence cosmologies where the scalar field playing the role of the dark energy is exponentially coupled to the Ricci scalar. We find that the dynamics induced by the effective gravitational potential in the Klein-Gordon equation dominates the motion of the field in the early universe. The resulting "R-boost" trajectory is characterized by a kinetic dark energy density, given by [3\\rhomnr0(1+z)]^2 [ 32 rhor0 omegaJBD0]^(-1), where omegaJBD0, rhor0 and rhomnr0 are calculated at present, and represent the Jordan Brans Dicke parameter, the density of relativistic matter and of those species which are non-relativistic at redshift z, respectively. We show that such a trajectory represents an attractor, equivalent to a tracking solution with equation of state w=-1/3, providing a large basin of attraction for the initial dark energy density regardless of the properties of the potential energy yielding acceleration today. We derive the up to date constraints from Big Bang Nucleosynthesis (BBN) on the present scenario, and we show that they are largely satisfied for interesting trajectories of the dark energy scalar field in the early universe. We compute the cosmological perturbation spectra in these cosmologies. For a fixed value of omegaJBD0, the projection and Integrated Sachs-Wolfe effects on the cosmic microwave background anisotropy are considerably larger in the exponential case with respect to a quadratic non-minimal coupling, reflecting the fact that the effective gravitational constant depends exponentially on the dynamics of the field.

Valeria Pettorino; Carlo Baccigalupi; Gianpiero Mangano

2004-12-14T23:59:59.000Z

468

Search for Randall-Sundrum Gravitons in Dielectron and Diphoton Final States with 5.4fb-1 of D0 Data  

SciTech Connect

A search for the lightest Kaluza-Klein mode of the graviton in the Randall-Sundrum model with a warped extra dimension is performed in the dielectron and diphoton channels. The data set used for the search corresponds to 5.4 fb{sup -1} of data from p{bar p} collisions at a center-of-mass energy of 1.96 TeV, collected with the D0 detector at the Fermilab Tevatron between July 2002 and Summer 2009. We search for resonances in the invariant mass spectrum of two electromagnetic showers from the decay of the graviton to either electron-positron pairs or photon pairs. To optimize the sensitivity, the dielectron and diphoton channels are analyzed separately, then the results are combined together in the end. We also investigate whether, due to the unique spin-2 nature of the graviton, the angular distribution of the final state particles can be used to significantly enhance the sensitivity of the search. We set 95% confidence level upper limits on the graviton production cross section times branching fraction into electron-positron pairs of between {approx} 7 fb and {approx} 0.5 fb for a range of graviton masses from 220 GeV and 1050 GeV, respectively. Compared with Randall-Sundrum model predictions, these results correspond to lower limits on the lightest graviton mass between 440 GeV and 1040 GeV, for the dimensionless graviton coupling to the Standard Model fields k/{bar M}{sub Pl} in the range from 0.01 to 0.1. In addition, for coupling k/{bar M}{sub Pl} of 0.01, gravitons with masses between 460 GeV and 560 GeV are also excluded at 95% confidence level. These results represent the most sensitive limits to date.

Zhou, Ning; /Columbia U.

2010-03-01T23:59:59.000Z

469

Source-free electromagnetism's canonical fields reveal the free-photon Schroedinger equation  

E-Print Network (OSTI)

Classical equations of motion that are first-order in time and conserve energy can only be quantized after their variables have been transformed to canonical ones, i.e., variables in which the energy is the system's Hamiltonian. The source-free version of Maxwell's equations is purely dynamical, first-order in time and has a well-defined nonnegative conserved field energy, but is decidedly noncanonical, an issue that has attracted little attention. The opposite parities of the electric and magnetic fields and consequent curl operations that typify Maxwell's equations are especially at odds with their being canonical fields. Transformation of the magnetic field into the transverse part of the vector potential helps but is not sufficient; further simple nonnegative symmetric integral transforms, which commute with all differential operators, are needed for both fields; such transforms also supplant the curls in the equations of motion. The canonical replacements of the source-free electromagnetic fields remain transverse-vector fields, but are more diffuse than their predecessors. Combined as the real and imaginary parts of a complex field, the canonical fields prove to be the transverse-vector wave function of a time-dependent Schroedinger equation whose Hamiltonian operator is the quantization of the free photon's square-root relativistic energy. Thus proper quantization of the source-free Maxwell equations is identical to second quantization of free photons that have normal square-root energy. There is no physical reason why first and second quantization of any relativistic free particle ought not to proceed in precise parallel, utilizing the square-root Hamiltonian operator. This natural procedure leaves no role for the completely artificial Klein-Gordon and Dirac equations, as accords with their grossly unphysical properties.

Steven Kenneth Kauffmann

2010-11-29T23:59:59.000Z

470

Limits on Large Extra Dimensions Based on Observations of Neutron Stars with the Fermi-LAT  

Science Conference Proceedings (OSTI)

We present limits for the compactification scale in the theory of Large Extra Dimensions (LED) proposed by Arkani-Hamed, Dimopoulos, and Dvali. We use 11 months of data from the Fermi Large Area Telescope (Fermi-LAT) to set gamma ray flux limits for 6 gamma-ray faint neutron stars (NS). To set limits on LED we use the model of Hannestad and Raffelt (HR) that calculates the Kaluza-Klein (KK) graviton production in supernova cores and the large fraction subsequently gravitationally bound around the resulting NS. The predicted decay of the bound KK gravitons to {gamma}{gamma} should contribute to the flux from NSs. Considering 2 to 7 extra dimensions of the same size in the context of the HR model, we use Monte Carlo techniques to calculate the expected differential flux of gamma-rays arising from these KK gravitons, including the effects of the age of the NS, graviton orbit, and absorption of gamma-rays in the magnetosphere of the NS. We compare our Monte Carlo-based differential flux to the experimental differential flux using maximum likelihood techniques to obtain our limits on LED. Our limits are more restrictive than past EGRET-based optimistic limits that do not include these important corrections. Additionally, our limits are more stringent than LHC based limits for 3 or fewer LED, and comparable for 4 LED. We conclude that if the effective Planck scale is around a TeV, then for 2 or 3 LED the compactification topology must be more complicated than a torus.

Ajello, M.; /SLAC /KIPAC, Menlo Park; Baldini, L.; /INFN, Pisa; Barbiellini, G.; /INFN, Trieste /Trieste U.; Bastieri, D.; /INFN, Padua /Padua U.; Bechtol, K.; /SLAC /KIPAC, Menlo Park; Bellazzini, R.; /INFN, Pisa; Berenji, B.; /SLAC /KIPAC, Menlo Park; Bloom, E.D.; /SLAC /KIPAC, Menlo Park; Bonamente, E.; /INFN, Perugia /Perugia U.; Borgland, A.W.; /SLAC /KIPAC, Menlo Park; Bregeon, J.; /INFN, Pisa; Brigida, M.; /Bari Polytechnic /INFN, Bari; Bruel, P.; /Ecole Polytechnique; Buehler, R.; /SLAC /KIPAC, Menlo Park; Buson, S.; /INFN, Padua /Padua U.; Caliandro, G.A.; /CSIC, Catalunya; Cameron, R.A.; /SLAC /KIPAC, Menlo Park; Caraveo, P.A.; /Brera Observ.; Casandjian, J.M.; /AIM, Saclay; Cecchi, C.; /INFN, Perugia /Perugia U.; Charles, E.; /SLAC /KIPAC, Menlo Park /Naval Research Lab, Wash., D.C. /SLAC /KIPAC, Menlo Park /ASDC, Frascati /Perugia U. /SLAC /KIPAC, Menlo Park /Montpellier U. /Stockholm U. /Stockholm U., OKC /Royal Swedish Acad. Sci. /ASDC, Frascati /Udine U. /INFN, Trieste /Bari Polytechnic /INFN, Bari /Naval Research Lab, Wash., D.C. /SLAC /KIPAC, Menlo Park /SLAC /KIPAC, Menlo Park /SLAC /KIPAC, Menlo Park /SLAC /KIPAC, Menlo Park /Bari Polytechnic /INFN, Bari /Ecole Polytechnique /NASA, Goddard /Hiroshima U. /Bari Polytechnic /INFN, Bari /INFN, Bari /ASDC, Frascati /INFN, Perugia /Perugia U. /Bari Polytechnic /INFN, Bari /Bari Polytechnic /INFN, Bari /Bologna Observ. /SLAC /KIPAC, Menlo Park /SLAC /KIPAC, Menlo Park /SLAC /KIPAC, Menlo Park /AIM, Saclay /Alabama U., Huntsville /INFN, Padua; /more authors..

2012-08-17T23:59:59.000Z

471

Log-parabolic spectra and particle acceleration in blazars. III: SSC emission in the TeV band from Mkn 501  

E-Print Network (OSTI)

Curved broad-band spectral distributions of non-thermal sources like blazars are described well by a log-parabolic (LP) law where the second degree term measures the curvature. LP energy spectra can be obtained for relativistic electrons by means of a statistical acceleration mechanism whose probability of acceleration depends on energy. In this paper we compute the spectra radiated by an electron population via synchrotron (S) and Synchro-Self Compton(SSC) processes to derive the relations between the LP parameters. These spectra were obtained by means of an accurate numerical code. We found that the ratio between the curvature parameters of the S spectrum to that of the electrons is equal to about 0.2 instead of 0.25, the value foreseen in the delta approximation. Inverse Compton spectra are also intrinsically curved and can be approximated by a log-parabola only in limited ranges. The curvature parameter, estimated around the SED peak, may vary from a lower value than that of the S spectrum up to that of emitting electrons depending on whether the scattering is in the Thomson or in the Klein-Nishina regime. We applied this analysis to computing the SSC emission from the BL Lac object Mkn 501 during the large flare of April 1997. We fit simultaneous BeppoSAX and CAT data and reproduced intensities and spectral curvatures of both components with good accuracy. The large curvature observed in the TeV range was found to be mainly intrinsic, and therefore did not require a large pair production absorption against the extragalactic background. We regard this finding as an indication that the Universe is more transparent at these energies than previously assumed by several models found in the literature. This conclusion is supported by recent detection of two relatively high redshift blazars with H.E.S.S.

E. Massaro; A. Tramacere; M. Perri; P. Giommi; G. Tosti

2005-11-23T23:59:59.000Z

472

Group-invariant soliton equations and bi-Hamiltonian geometric curve flows in Riemannian symmetric spaces  

E-Print Network (OSTI)

Universal bi-Hamiltonian hierarchies of group-invariant (multicomponent) soliton equations are derived from non-stretching geometric curve flows $\\map(t,x)$ in Riemannian symmetric spaces $M=G/H$, including compact semisimple Lie groups $M=K$ for $G=K\\times K$, $H={\\rm diag} G$. The derivation of these soliton hierarchies utilizes a moving parallel frame and connection 1-form along the curve flows, related to the Klein geometry of the Lie group $G\\supset H$ where $H$ is the local frame structure group. The soliton equations arise in explicit form from the induced flow on the frame components of the principal normal vector $N=\\covder{x}\\mapder{x}$ along each curve, and display invariance under the equivalence subgroup in $H$ that preserves the unit tangent vector $T=\\mapder{x}$ in the framing at any point $x$ on a curve. Their bi-Hamiltonian integrability structure is shown to be geometrically encoded in the Cartan structure equations for torsion and curvature of the parallel frame and its connection 1-form in the tangent space $T_\\map M$ of the curve flow. The hierarchies include group-invariant versions of sine-Gordon (SG) and modified Korteweg-de Vries (mKdV) soliton equations that are found to be universally given by curve flows describing non-stretching wave maps and mKdV analogs of non-stretching Schrodinger maps on $G/H$. These results provide a geometric interpretation and explicit bi-Hamiltonian formulation for many known multicomponent soliton equations. Moreover, all examples of group-invariant (multicomponent) soliton equations given by the present geometric framework can be constructed in an explicit fashion based on Cartan's classification of symmetric spaces.

Stephen C. Anco

2007-03-21T23:59:59.000Z

473

Faculty, Staff, and Student Cooperators About Our Cover Spigelia marilandica, Indian Pink, is an  

E-Print Network (OSTI)

in southern Kentucky (Wharton and Barbour 1971), it is found as a roadside plant on a variety of soil types. Over its rangeFlorida into east Texas, southeast Oklahoma, southwest Indiana, northwest Georgia, and east South Carolinait is common (Duncan and Duncan 1999). The red tubular flowers with five folded lobes showing the yellow interior color are stunning; they stop people dead in their tracks (Armitage 1997). An average of 13 (8-17 on 68 stems on a five-yearold division) of the 2-inch (5-cm) upright flowers are found on a one-sided cyme. The glossy ovate, opposite, sessile leaves add to the attractive appearance of the plant. West Kentucky plants grow 18-24 inches (46-61 cm) tall in sun or shade landscape environments. The bloom period starts in late May and continues through June; occasionally scattered blooms will occur in the fall. Rick Darke (2002) says they will re-bloom heavily if cut back after June flowering. Individual plants in the University of Kentucky Research and Education Center Botanical Garden, Princeton, KY are now seven years old and show signs of indefinite longevity. Spigelia marilandica is known to attract hummingbirds (Cullina 2000; Glick 2002). This characteristic, added to the beauty of the flowers, the size of the plant, its environmental and pest tolerances, and longevity in the landscape, indicate Spigelia marilandica is an plant that should be more widely used in landscapesin particular, Kentucky landscapes. A quick search of catalogs and nursery contacts indicate that the plant is much more available than in the past thanks to tissue culture propagation. Spigelia marilandica won Kentuckys 2010 Theodore Klein Plant Award (go to

unknown authors

2010-01-01T23:59:59.000Z

474

Inflaton perturbations in brane-world cosmology with induced gravity  

E-Print Network (OSTI)

We study cosmological perturbations in the brane models with an induced Einstein-Hilbert term on a brane. We consider an inflaton confined to a de Sitter brane in a five-dimensional Minkowski spacetime. Inflaton fluctuations excite Kaluza-Klein modes of bulk metric perturbations with mass $m^2 = -2(2\\ell-1) (\\ell +1) H^2$ and $m^2 = -2\\ell(2\\ell+3) H^2$ where $\\ell$ is an integer. There are two branches ($\\pm$ branches) of solutions for the background spacetime. In the $+$ branch, which includes the self-accelerating universe, a resonance appears for a mode with $m^2 = 2 H^2$ due to a spin-0 perturbation with $m^2 = 2H^2$. The self-accelerating universe has a distinct feature because there is also a helicity-0 mode of spin-2 perturbations with $m^2 = 2H^2$. In the $-$ branch, which can be thought as the Randall-Sundrum type brane-world with the high energy quantum corrections, there is no resonance. At high energies, we analytically confirm that four-dimensional Einstein gravity is recovered, which is related to the disappearance of van Dam-Veltman-Zakharov discontinuity in de Sitter spacetime. On sufficiently small scales, we confirm that the lineariaed gravity on the brane is well described by the Brans-Dicke theory with $\\omega=3Hr_c$ in $-$ branch and $\\omega = -3H r_c$ in $+$ branch, respectively, which confirms the existence of the ghost in $+$ branch. We also study large scale perturbations. In $+$ branch, the resonance induces a non-trivial anisotropic stress on the brane via the projection of Weyl tensor in the bulk, but no instability is shown to exist on the brane.

Kazuya Koyama; Shuntaro Mizuno

2006-06-13T23:59:59.000Z

475

DELAYED ONSET OF HIGH-ENERGY EMISSIONS IN LEPTONIC AND HADRONIC MODELS OF GAMMA-RAY BURSTS  

SciTech Connect

The temporal-spectral evolution of the prompt emission of gamma-ray bursts is simulated numerically for both leptonic and hadronic models. For weak enough magnetic fields, leptonic models can reproduce the few seconds delay of the onset of GeV photon emission observed by Fermi-LAT, due to the slow growth of the target photon field for inverse Compton scattering. For stronger magnetic fields, the GeV delay can be explained with hadronic models, due to the long acceleration timescale of protons and the continuous photopion production after the end of the particle injection. While the FWHMs of the MeV and GeV light curves are almost the same in one-zone leptonic models, the FWHMs of the 1-30 GeV light curves in hadronic models are significantly wider than those of the 0.1-1 MeV light curves. The amount of the GeV delay depends on the importance of the Klein-Nishina effect in both the leptonic and hadronic models. In our examples of hadronic models the energies of the escaped neutrons are comparable to the gamma-ray energy, although their contribution to the ultra high-energy cosmic rays is still subdominant. The resulting neutrino spectra are hard enough to avoid the flux limit constraint from IceCube. The delay of the neutrino emission onset is up to several times longer than the corresponding delay of the GeV photon emission onset. The quantitative differences in the light curves for various models may be further tested with future atmospheric Cerenkov telescopes whose effective area is larger than that of Fermi-LAT, such as CTA.

Asano, Katsuaki [Interactive Research Center of Science, Tokyo Institute of Technology, 2-12-1 Ookayama, Meguro-ku, Tokyo 152-8550 (Japan); Meszaros, Peter, E-mail: asano@phys.titech.ac.jp, E-mail: nnp@astro.psu.edu [Department of Astronomy and Astrophysics, Department of Physics, Center for Particle and Gravitational Astrophysics, Pennsylvania State University, University Park, PA 16802 (United States)

2012-10-01T23:59:59.000Z

476

Twistor superstring in two-time physics  

SciTech Connect

By utilizing the gauge symmetries of two-time physics (2T physics), a superstring with linearly realized global SU(2,2|4) supersymmetry in 4+2 dimensions (plus internal degrees of freedom) is constructed. It is shown that the dynamics of the Witten-Berkovits twistor superstring in 3+1 dimensions emerges as one of the many one-time (1T) holographic pictures of the 4+2 dimensional string obtained via gauge fixing of the 2T gauge symmetries. In 2T physics the twistor language can be transformed to usual spacetime language and vice versa, off shell, as different gauge fixings of the same 2T string theory. Further holographic string pictures in 3+1 dimensions that are dual theories also can be derived. The 2T superstring is further generalized in the SU(4)=SO(6) sector of SU(2,2|4) by the addition of six bosonic dimensions, for a total of 10+2 dimensions. Excitations of the extra bosons produce a SU(2,2|4) current algebra spectrum that matches the classification of the high-spin currents of N=4, d=4 super Yang-Mills theory which are conserved in the weak coupling limit. This spectrum is interpreted as the extension of the SU(2,2|4) classification of the Kaluza-Klein towers of typeII-B supergravity compactified on AdS{sub 5}xS{sup 5}, into the full string theory, and is speculated to have a covariant 10+2 origin in F-theory or S-theory. Further generalizations of the superstring theory to 3+2, 5+2, and 6+2 dimensions based on the supergroups OSp(8|4), F(4), OSp(8{sup *}|4), respectively, and other cases, are discussed also. The OSp(8{sup *}|4) case in 6+2 dimensions can be gauge fixed to 5+1 dimensions to provide a formulation of the special superconformal theory in six dimensions either in terms of ordinary spacetime or in terms of twistors.

Bars, Itzhak [Department of Physics and Astronomy, University of Southern California, Los Angeles, California 90089-2535 (United States)

2004-11-15T23:59:59.000Z

477

Particle Data Group - 2009 Authors  

NLE Websites -- All DOE Office Websites (Extended Search)

08 Edition and 2009 Web Update 08 Edition and 2009 Web Update (Click on Author Name to get Email address, phone numbers, etc.) New authors of 2009 Web Update D. de Florian, 109 G. Dissertori, 31 D. Edwards, 27 S. Golwala, 108 M. Heffner, 45 B. Heltsley, 62 J. Holder, 34 A. Karle, 7 J. Lys, 8 G. Salam, 112 K. Scholberg, 111 M. Syphers, 15 A. Vogt, 110 W. Walkowiak, 113 C. Walter, 111 E. Weinberg, 90 L. Wiencke, 114 Authors of the 2008 Review of Particle Physics C. Amsler et al. (Particle Data Group), Physics Letters B667, 1 (2008) (Also see: PDF format) AUTHORS: (Click on Author Name to get Email address, phone numbers, etc.) C. Amsler, 1 M. Doser, 2 M. Antonelli, 3 D. Asner, 4 K.S. Babu, 5 H. Baer, 6 H.R. Band, 7 R.M. Barnett, 8 J. Beringer, 8 E. Bergren, G. Bernardi, 9 W. Bertl, 10 H. Bichsel, 11 O. Biebel, 12 P. Bloch, 2 E. Blucher, 13 S. Blusk, 14 R.N. Cahn, 8 M. Carena, 15,13,16 C. Caso, 17,* A. Ceccucci, 2 D. Chakraborty, 18 M.-C. Chen, 19 R.S. Chivukula, 20 G. Cowan, 21 O. Dahl, 8 G. D'Ambrosio, 22 T. Damour, 23 A. de Gouvea, 24 T. DeGrand, 25 B. Dobrescu, 15 M. Drees, 26 A. Edwards, 27 S. Eidelman, 28 V.D. Elvira, 15 J. Erler, 29 V.V. Ezhela, 30 J.L. Feng, 19 W. Fetscher, 31 B.D. Fields, 32 B. Foster, 33 T.K. Gaisser, 34 L. Garren, 15 H.-J. Gerber, 31 G. Gerbier, 35 T. Gherghetta, 36 G.F. Giudice, 2 M. Goodman, 37 C. Grab, 31 A.V. Gritsan, 38 J.-F. Grivaz, 39 D.E. Groom, 8 M. Grünewald, 40 A. Gurtu, 41,2 T. Gutsche, 42 H.E. Haber, 43 K. Hagiwara, 44 C. Hagmann, 45 K.G. Hayes, 46 J.J. Hernández-Rey, 47,¶ K. Hikasa, 48 I. Hinchliffe, 8 A. Höcker, 2 J. Huston, 20 P. Igo-Kemenes, 49 J.D. Jackson, 8 K.F. Johnson, 6 T. Junk, 15 D. Karlen, 50 B. Kayser, 15 D. Kirkby, 19 S.R. Klein, 51 I.G. Knowles, 52 C. Kolda, 53 R.V. Kowalewski, 50 P. Kreitz, 54 B. Krusche, 55 Yu.V. Kuyanov, 30 Y. Kwon, 56 O. Lahav, 57 P. Langacker, 58 A. Liddle, 59 Z. Ligeti, 8 C.-J. Lin, 8 T.M. Liss, 60 L. Littenberg, 61 J.C. Liu, 54 K.S. Lugovsky, 30 S.B. Lugovsky, 30 H. Mahlke, 62 M.L. Mangano, 2 T. Mannel, 63 A.V. Manohar, 64 W.J. Marciano, 61 A.D. Martin, 65 A. Masoni, 66 D. Milstead, 67 R. Miquel, 68 K. Mönig, 69 H. Murayama, 70,71,8 K. Nakamura, 44 M. Narain, 72 P. Nason, 73 S. Navas, 74,¶ P. Nevski, 61 Y. Nir, 75 K.A. Olive, 76 L. Pape, 31 C. Patrignani, 17 J.A. Peacock, 52 A. Piepke, 77 G. Punzi, 78 A. Quadt, 79, S. Raby, 80 G. Raffelt, 81 B.N. Ratcliff, 54 B. Renk, 82 P. Richardson, 65 S. Roesler, 2 S. Rolli, 83 A. Romaniouk, 84 L.J. Rosenberg, 11 J.L. Rosner, 13 C.T. Sachrajda, 85 Y. Sakai, 44 S. Sarkar, 86 F. Sauli, 2 O. Schneider, 87 D. Scott, 88 B. Seligman, 89 M. Shaevitz, 90 T. Sjöstrand, 91 J.G. Smith, 25 G.F. Smoot, 8 S. Spanier, 54 H. Spieler, 8 A. Stahl, 92 T. Stanev, 34 S.L. Stone, 14 T. Sumiyoshi, 93 M. Tanabashi, 94 J. Terning, 95 M. Titov, 96 N.P. Tkachenko, 30 N.A. Törnqvist, 97 D. Tovey, 98 G.H. Trilling, 8 T.G. Trippe, 8 G. Valencia, 99 K. van Bibber, 45 M.G. Vincter, 4 P. Vogel, 100 D.R. Ward, 101 T. Watari, 102 B.R. Webber, 101 G. Weiglein, 65 J.D. Wells, 103 M. Whalley, 65 A. Wheeler, 54 C.G. Wohl, 8 L. Wolfenstein, 104 J. Womersley, 105 C.L. Woody, 61 R.L. Workman, 106 A. Yamamoto, 44 W. -M. Yao, 8 O.V. Zenin, 30 J. Zhang, 107 R.-Y. Zhu 108 P.A. Zyla 8

478

Particle Data Group - Authors  

NLE Websites -- All DOE Office Websites (Extended Search)

8 Edition 8 Edition C. Amsler et al. (Particle Data Group), Physics Letters B667, 1 (2008) Also see: PDF format. AUTHORS: (Click on Author Name to get Email address, phone numbers, etc.) RPP authors C. Amsler, 1 M. Doser, 2 M. Antonelli, 3 D. Asner, 4 K.S. Babu, 5 H. Baer, 6 H.R. Band, 7 R.M. Barnett, 8 J. Beringer, 8 E. Bergren, G. Bernardi, 9 W. Bertl, 10 H. Bichsel, 11 O. Biebel, 12 P. Bloch, 2 E. Blucher, 13 S. Blusk, 14 R.N. Cahn, 8 M. Carena, 15,13,16 C. Caso, 17,* A. Ceccucci, 2 D. Chakraborty, 18 M.-C. Chen, 19 R.S. Chivukula, 20 G. Cowan, 21 O. Dahl, 8 G. D'Ambrosio, 22 T. Damour, 23 A. de Gouvea, 24 T. DeGrand, 25 B. Dobrescu, 15 M. Drees, 26 A. Edwards, 27 S. Eidelman, 28 V.D. Elvira, 15 J. Erler, 29 V.V. Ezhela, 30 J.L. Feng, 19 W. Fetscher, 31 B.D. Fields, 32 B. Foster, 33 T.K. Gaisser, 34 L. Garren, 15 H.-J. Gerber, 31 G. Gerbier, 35 T. Gherghetta, 36 G.F. Giudice, 2 M. Goodman, 37 C. Grab, 31 A.V. Gritsan, 38 J.-F. Grivaz, 39 D.E. Groom, 8 M. Grünewald, 40 A. Gurtu, 41,2 T. Gutsche, 42 H.E. Haber, 43 K. Hagiwara, 44 C. Hagmann, 45 K.G. Hayes, 46 J.J. Hernández-Rey, 47,¶ K. Hikasa, 48 I. Hinchliffe, 8 A. Höcker, 2 J. Huston, 20 P. Igo-Kemenes, 49 J.D. Jackson, 8 K.F. Johnson, 6 T. Junk, 15 D. Karlen, 50 B. Kayser, 15 D. Kirkby, 19 S.R. Klein, 51 I.G. Knowles, 52 C. Kolda, 53 R.V. Kowalewski, 50 P. Kreitz, 54 B. Krusche, 55 Yu.V. Kuyanov, 30 Y. Kwon, 56 O. Lahav, 57 P. Langacker, 58 A. Liddle, 59 Z. Ligeti, 8 C.-J. Lin, 8 T.M. Liss, 60 L. Littenberg, 61 J.C. Liu, 54 K.S. Lugovsky, 30 S.B. Lugovsky, 30 H. Mahlke, 62 M.L. Mangano, 2 T. Mannel, 63 A.V. Manohar, 64 W.J. Marciano, 61 A.D. Martin, 65 A. Masoni, 66 D. Milstead, 67 R. Miquel, 68 K. Mönig, 69 H. Murayama, 70,71,8 K. Nakamura, 44 M. Narain, 72 P. Nason, 73 S. Navas, 74,¶ P. Nevski, 61 Y. Nir, 75 K.A. Olive, 76 L. Pape, 31 C. Patrignani, 17 J.A. Peacock, 52 A. Piepke, 77 G. Punzi, 78 A. Quadt, 79, S. Raby, 80 G. Raffelt, 81 B.N. Ratcliff, 54 B. Renk, 82 P. Richardson, 65 S. Roesler, 2 S. Rolli, 83 A. Romaniouk, 84 L.J. Rosenberg, 11 J.L. Rosner, 13 C.T. Sachrajda, 85 Y. Sakai, 44 S. Sarkar, 86 F. Sauli, 2 O. Schneider, 87 D. Scott, 88 B. Seligman, 89 M. Shaevitz, 90 T. Sjöstrand, 91 J.G. Smith, 25 G.F. Smoot, 8 S. Spanier, 54 H. Spieler, 8 A. Stahl, 92 T. Stanev, 34 S.L. Stone, 14 T. Sumiyoshi, 93 M. Tanabashi, 94 J. Terning, 95 M. Titov, 96 N.P. Tkachenko, 30 N.A. Törnqvist, 97 D. Tovey, 98 G.H. Trilling, 8 T.G. Trippe, 8 G. Valencia, 99 K. van Bibber, 45 M.G. Vincter, 4 P. Vogel, 100 D.R. Ward, 101 T. Watari, 102 B.R. Webber, 101 G. Weiglein, 65 J.D. Wells, 103 M. Whalley, 65 A. Wheeler, 54 C.G. Wohl, 8 L. Wolfenstein, 104 J. Womersley, 105 C.L. Woody, 61 R.L. Workman, 106 A. Yamamoto, 44 W. -M. Yao, 8 O.V. Zenin, 30 J. Zhang, 107 R.-Y. Zhu 108 P.A. Zyla 8

479

Hot electron dynamics in graphene  

Science Conference Proceedings (OSTI)

Graphene, a two-dimensional (2D) honeycomb structure allotrope of carbon atoms, has a long history since the invention of the pencil [Petroski (1989)] and the linear dispersion band structure proposed by Wallace [Wal]; however, only after Novoselov et al. successively isolated graphene from graphite [Novoselov et al. (2004)], it has been studied intensively during the recent years. It draws so much attentions not only because of its potential application in future electronic devices but also because of its fundamental properties: its quasiparticles are governed by the two-dimensional Dirac equation, and exhibit a variety of phenomena such as the anomalous integer quantum Hall effect (IQHE) [Novoselov et al. (2005)] measured experimentally, a minimal conductivity at vanishing carrier concentration [Neto et al. (2009)], Kondo effect with magnetic element doping [Hentschel and Guinea (2007)], Klein tunneling in p-n junctions [Cheianov and Falko (2006), Beenakker (2008)], Zitterbewegung [Katsnelson (2006)], and Schwinger pair production [Schwinger (1951); Dora and Moessner (2010)]. Although both electron-phonon coupling and photoconductivity in graphene also draws great attention [Yan et al. (2007); Satou et al. (2008); Hwang and Sarma (2008); Vasko and Ryzhii (2008); Mishchenko (2009)], the nonequilibrium behavior based on the combination of electronphonon coupling and Schwinger pair production is an intrinsic graphene property that has not been investigated. Our motivation for studying clean graphene at low temperature is based on the following effect: for a fixed electric field, below a sufficiently low temperature linear eletric transport breaks down and nonlinear transport dominates. The criteria of the strength of this field [Fritz et al. (2008)] is eE = T2/~vF (1.1) For T >?eE~vF the system is in linear transport regime while for T

Ling, Meng-Cheieh

2011-10-20T23:59:59.000Z

480

In Situ X-ray Diffraction Studies of Cathode Materials in Lithium Batteries  

SciTech Connect

There is an increasing interest in lithiated transition metal oxides because of their use as cathodes in lithium batteries. LiCoO{sub 2}, LiNiO{sub 2} and LiMn{sub 2}O{sub 4} are the three most widely used and studied materials, At present, although it is relative expensive and toxic, LiCoO{sub 2} is the material of choice in commercial lithium ion batteries because of its ease of manufacture, better thermal stability and cycle life. However, the potential use of lithium ion batteries with larger capacity for power tools and electric vehicles in the future will demand new cathode materials with higher energy density, lower cost and better thermal stability. LiNiO{sub 2} is isostructural with LiCoO{sub 2}. It offers lower cost and high energy density than LiCoO{sub 2}. However, it has much poorer thermal stability than LiCoO{sub 2}, in the charged (delithiated) state. Co, Al, and other elements have been used to partially replace Ni in LiNiO{sub 2} system in order to increase the thermal stability. LiMn{sub 2}O{sub 4} has the highest thermal stability and lowest cost and toxicity. However, the low energy density and poor cycle life at elevated temperature are the major obstacles for this material. In order to develop safer, cheaper, and better performance cathode materials, the in-depth understanding of the relationships between the thermal stability and structure, performance and structure are very important. The performance here includes energy density and cycle life of the cathode materials. X-ray diffraction (XRD) is one of the most powerful tools to study these relationships. The pioneer ex situ XRD work on cathode materials for lithium batteries was done by Ohzuku. His XRD studies on LiMn{sub 2}O{sub 4}, LiCoO{sub 2}, LiNiO{sub 2}, LiNi{sub 0.5}Co{sub 0.5}O{sub 2}, and LiAl{sub x}Ni{sub 1-x}O{sub 2} cathodes at different states of charge have provided important guidelines for the development of these new materials. However, the kinetic nature of the battery system definitely requires an in situ XRD technique to study the detail structural changes of the system during charge and discharge. The in situ XRD technique was used by Reimers, Li,and Dahn to study the LiCoO{sub 2}, LiNiO{sub 2}, and LiMn{sub 2}O{sub 4} systems. Their results of these studies have demonstrated that in situ XRD can provide more detailed information about the cathode material structural changes during charge-discharge. Conventional x-ray sources were used in these studies and the beryllium windows were used in the in situ cells. Provisions were made to prevent corrosion of the beryllium windows during charge-discharge. For this reason, the in situ cells were often designed quite differently than a real battery. More seriously, the problem of beryllium corrosion restricted the voltage range of the cell below 4.5 V. This limited the use of this technique to study the effects of overcharge which is very important to the thermal stability of the cathodes. Using the plastic lithium battery technology, Amatucci, Tarascon, and Klein constructed an in situ XRD cell, which allows structural investigations at voltages greater than 5 V without any beryllium window corrosion. However, all of these in situ XRD studies using conventional x-ray sources probe the cell in reflection geometry. Therefore, the observed structural changes are predominantly from the top few microns of the electrode coating, which might not be representative for the whole coating during charge-discharge especially when the rate is high.

Yang, X. Q.; Sun, X.; McBreen, J.; Mukerjee, S.; Gao, Yuan; Yakovleva, M. V.; Xing, X. K.; Daroux, M. L.

1998-11-01T23:59:59.000Z