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Sample records for ackerman gg mace

  1. ackerman | The Ames Laboratory

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

    ackerman Ames Laboratory Profile David Ackerman Associate Chemical & Biological Sciences 2025 Black Engineering Phone Number: 515-294-1638 Email Address: ackerman...

  2. Jennifer Ackerman | Department of Energy

    Office of Environmental Management (EM)

    Ackerman Jennifer Ackerman Phone (202) 586-3860; E-mail jennifer.ackerman@hq.doe.gov Last Name Ackerman First Name Jennifer Title Director, Human Capital Policy

  3. 1

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

    ... References Clothiaux, EE, TP Ackerman, GG Mace, KP Moran, RT Marchand, MA Miller, and ... Turner, KP Moran, BE Martner, TP Ackerman, GG Mace, RT Marchand, KB Widener, DJ ...

  4. Bench-Scale Cross Flow Filtration of

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

    ...TR-082 59 Clothiaux, EE, TP Ackerman, GG Mace, KP Moran, RT Marchand, MA Miller, and ... Turner, KP Moran, BE Martner, TP Ackerman, GG Mace, RT Marchand, KB Widener, DJ ...

  5. Microsoft Word - taylor.doc

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

    ... MASA Technical Translation, NASA TT-F-790, 173-181. Clothiaux, EE, TP Ackerman, GG Mace, ... Turner, KP Moran, BE Martner, TP Ackerman, GG Mace, RT Marchand, KB Widener, DJ ...

  6. mace-98.pdf

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

    7 Cirrus Cloud Properties Derived from the First Year of Millimeter Wave Cloud Radar Data G. G. Mace Department of Meteorology University of Utah Salt Lake City, Utah E. E. Clothiaux Department of Meteorology The Pennsylvania State University University Park, Pennsylvania Introduction The representation of cirrus clouds in large-scale models continues to be a problem of considerable contemporary importance. These cloud systems occur over vast areas of the earth's surface, tend to occur in all

  7. Kate Petersen Mace

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    Kate Petersen Mace About ESnet Our Mission The Network ESnet History Governance & Policies Career Opportunities ESnet Staff & Org Chart Administration Advanced Network Technologies Cybersecurity Infrastructure, Identity & Collaboration Network Engineering Office of the CTO Operations and Deployment Science Engagement Tools Team Contact Us Contact Us Technical Assistance: 1 800-33-ESnet (Inside US) 1 800-333-7638 (Inside US) 1 510-486-7600 (Globally) 1 510-486-7607 (Globally) Report

  8. 1

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

    ... EE, RC Perez, DD Turner, TP Ackerman, GG Mace, KP Moran, RT Marchand, MA Miller, and ... B Lin, Y Yi, MM Khaiyer, RF Arduini, and GG Mace. 2005. "Advanced retrievals of ...

  9. 1

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

    ... 27 - 31, 2006 Clothiaux, EE, TP Ackerman, GG Mace, KP Moran, RT Marchand, MA Miller, and ... Journal of Applied Meteorology 39:645-665. Dong, X, P Minnis, GG Mace, WL Smith Jr., M ...

  10. ARM - Value-Added Product (VAP) Reports

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

    M Deng, M Dunn, RJ Hogan, MP Jensen, GG Mace, SA McFarlane, EJ O'Connor, A Protat, ... Turner, KP Moran, BE Martner, TP Ackerman, GG Mace, RT Marchand, KB Widener, DJ ...

  11. Bench-Scale Cross Flow Filtration of

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

    ...BF00052831. Clothiaux, EE, TP Ackerman, GG Mace, KP Moran, RT Marchand, M Miller, and ... Nature 440, doi:10.1038 nature04636. Garrett, TJ, Zhao, C, Dong, X, Mace, GG, & Hobbs, ...

  12. DOE/SC-ARM/TR-095 The Microbase Value-Added Product: A Baseline...

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

    ... 11.0 References Clothiaux, EE, TP Ackerman, GG Mace, KP Moran, RT Marchand, MA Miller, and ... EJ Mlawer, and GG Mace. 2003. "ARM value- added cloud products: Description and status." ...

  13. 1

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

    ... Journal of Atmospheric Science, in press. Clothiaux, EE, TP Ackerman, GG Mace, KP Moran, RT Marchand, M Miller, and BE Martner. 2000. "Objective determination of cloud heights and ...

  14. ARM - VAP Product - mergesonde2mace

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

    Productsmergesondemergesonde2mace Documentation Data Management Facility Plots (Quick Looks) Citation DOI: 10.5439/1095335 [ What is this? ] Generate Citation ARM Data Discovery Browse Data Comments? We would love to hear from you! Send us a note below or call us at 1-888-ARM-DATA. Send VAP Output : MERGESONDE2MACE Merged Sounding profiles derived with second Mace algorithm Active Dates 2005.04.20 - 2007.01.07 Originating VAP Process Merged Sounding : MERGESONDE Measurements The measurements

  15. ARM - VAP Product - mergesonde1mace

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

    Productsmergesondemergesonde1mace Documentation Data Management Facility Plots (Quick Looks) Citation DOI: 10.54391034922 What is this? Generate Citation ARM Data Discovery...

  16. Microsoft Word - TP Ackerman Whilte Paper.doc

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

    67 The Role of Global Observations for Climate and Other Applications May 2005 T.P. Ackerman Pacific Northwest National Laboratory Work supported by the U.S. Department of Energy, Office of Science, Office of Biological and Environmental Research Disclaimer This report was prepared as an account of work sponsored by the U.S. Government. Neither the United States nor an agency thereof, nor any of their employees, makes any warranty, express or implied, or assumes any legal liability or

  17. ARM TR-047

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

    ... Clothiaux, EE., MA Miller, RC Perez, DD Turner, KP Moran, BE Martner, TP Ackerman, GG Mace, RT Marchand, KB Widener, DJ Rodriguez, T Uttal, JH Mather, CJ Flynn, KL Gaustad, ...

  18. Bench-Scale Cross Flow Filtration of

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

    ... et al., April 2009, DOESC-ARMP-09-012 3 3. References Clothiaux, EE, P Ackerman, GG Mace, KP Moran, RT Marchand, MA Miller, BE Martner. 2000. "Objective determination of ...

  19. Microsoft Word - MC3E_Science_Plan_v5_FINAL.doc

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

    ... Journal of Climate 18(16): 3189-3203. Clothiaux, EE, TP Ackerman, GG Mace, KP Moran, RT Marchand, MA Miller, and BE Martner. 2000. "Objective determination of cloud heights and ...

  20. DOE/SC-ARM/TR-139

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

    ... Clothiaux, EE, MA Miller, RC Perez, DD Turner, KP Moran, BE Martner, TP Ackerman, GG Mace, RT Marchand, KB Widener, DJ Rodriguez, T Uttal, JH Mather, CJ Flynn, KL Gaustad, ...

  1. ARM TR-008

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

    ... International Journal of Infrared and Millimeter Waves 10(6):631-650. Mace, GG, DO'C. Starr, TP Ackerman, and P Minnis. 1995. "Examination of coupling between an upper-tropospheric ...

  2. Research Highlight

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

    Journal Reference: Long CN, SA McFarlane, A Del Genio, P Minnis, TP Ackerman, J Mather, J Comstock, GG Mace, M Jensen, and C Jakob. 2013. "ARM research in the equatorial western ...

  3. ARM - 2001 ARM Science Team Meeting

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

    ... Profiles of Fair - Weather Cumulus Clouds at the TWP ARM Site 2:45 p.m. Comstock JM, TP Ackerman, and GG Mace: Cirrus Radiative Properties in the Tropical Western Pacific 3:00 p.m. ...

  4. ARM TR-008

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

    ... Journal of Geophysical Research, 110(D15S15) doi:10.10292004JD005042. Clothiaux, EE, TP Ackerman, GG Mace, KP Moran, RT Marchand, MA Miller, and BE Martner. 2000. "Objective ...

  5. Bench-Scale Cross Flow Filtration of

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

    ... M. Jensen et al., March 2008, DOESC-ARMP-08-006 4 2.2 References Clothiaux, EE, TP Ackerman, GG Mace, KP Moran, RT Marchand, MA Miller, and BE Martner. 2000. "Objective ...

  6. Microsoft Word - Group3Cloud Properties(RS).docx

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

    ... for (a) column clouds and (b) circle clouds. 2.0 References Clothiaux, EE, TP Ackerman, GG Mace, KP Moran, RT Marchand, MA Miller, and BE Martner. 2000. "Objective determination ...

  7. ARM XDC Datastreams

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

    ... Bulletin of the American Meteorological Society 81: 797-808. Spangenberg, DA, GG Mace, TP Ackerman, NL Seaman, and BJ Soden. 1997. "Evaluation of Model Simulated Upper-Tropospheric ...

  8. ARM - 1998 ARM Science Team Meeting

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

    Profiles of Fair - Weather Cumulus Clouds at the TWP ARM Site 2:45 p.m. Comstock JM, TP Ackerman, and GG Mace: Cirrus Radiative Properties in the Tropical Western Pacific 3:00 p.m. ...

  9. DOE/SC-ARM/TR-098 Micropulse Lidar Cloud Mask Value-Added Product...

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

    ... Journal of Atmospheric and Oceanic Technology 19: 431-442. Clothiaux, EE, GG Mace, TP Ackerman, TJ Kane, JD Spinhirne, and VS Scott. 1998. "An Automated Algorithm for Detection of ...

  10. Microsoft Word - ARM Value-Added Product_tech_rpt_v2.doc

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

    ... Journal of Atmospheric and Oceanic Technology, 18:1658-1673. Comstock, JM, TP Ackerman, and GG Mace. 2002. "Ground-based lidar and radar remote sensing of tropical cirrus clouds at ...

  11. Four-Dimensional Data Assimilation D. Westphal, B. Toon, E. Jensen, S. Kinne, A. Ackerman,

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

    D. Westphal, B. Toon, E. Jensen, S. Kinne, A. Ackerman, R. Bergstrom, and A. Walker National Aeronautics and Space Administration Ames Research Center Moffett Field, CA 94035 Introduction Atmospheric Radiation Measurement (ARM) Program research at NASA Ames Research Center (ARC) includes radiative transfer modeling, cirrus cloud microphysics, and stratus cloud modeling. These efforts are designed to provide the basis for improving cloud and radiation parameterizations in our main effort:

  12. Four-Dimensional Data Assimilation O. B. Toon, A. Ackerman, and E. Jensen

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

    O. B. Toon, A. Ackerman, and E. Jensen National Aeronautics and Space Administration Ames Research Center Moffett Field, CA 94035 Center for Atmospheric Research (NCAR) mesoscale dynamical model and used to simulated cirrus clouds during the First ISCCpCa) Regional Experiment (FIRE) project. One of our goals in performing one-dimensional studies is to develop the microphysics for these three-dimensional simulations. However, since the microphysics itself is computationally very demanding, the

  13. Lactobacillus rhamnosus GG-supplemented formula expands butyrate...

    Office of Scientific and Technical Information (OSTI)

    rhamnosus GG-supplemented formula expands butyrate-producing bacterial strains in food allergic infants Prev Next Title: Lactobacillus rhamnosus GG-supplemented formula...

  14. Microsoft PowerPoint - Mace_Poster_ARM-ATrain_Comparison [Compatibility Mode]

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

    Representativeness of ARM Cloud Measurements: The Representativeness of ARM Cloud Measurements: The Representativeness of ARM Cloud Measurements: p I iti l C i f ARM Cl d St ti ti With Cl d t d CALIPSO St ti ti Initial Comparison of ARM Cloud Statistics With Cloudsat and CALIPSO Statistics Initial Comparison of ARM Cloud Statistics With Cloudsat and CALIPSO Statistics p Jay Mace Sally Benson Jay Mace, Sally Benson y , y Contributions from: Roger Marchand (Cloudsat mask) Mark Vaughn (CALIPSO

  15. Resolved multifrequency radio observations of GG Tau

    SciTech Connect (OSTI)

    Andrews, Sean M.; Birnstiel, T.; Rosenfeld, K. A.; Wilner, D. J.; Chandler, Claire J.; Pérez, L. M.; Isella, Andrea; Ricci, L.; Carpenter, J. M.; Calvet, N.; Corder, S. A.; Deller, A. T.; Dullemond, C. P.; Greaves, J. S.; Harris, R. J.; Henning, Th.; Linz, H.; Kwon, W.; Lazio, J.; Mundy, L. G.; and others

    2014-06-01

    We present subarcsecond resolution observations of continuum emission associated with the GG Tau quadruple star system at wavelengths of 1.3, 2.8, 7.3, and 50 mm. These data confirm that the GG Tau A binary is encircled by a circumbinary ring at a radius of 235 AU with a FWHM width of ∼60 AU. We find no clear evidence for a radial gradient in the spectral shape of the ring, suggesting that the particle size distribution is spatially homogeneous on angular scales ≳0.''1. A central point source, likely associated with the primary component (GG Tau Aa), exhibits a composite spectrum from dust and free-free emission. Faint emission at 7.3 mm is observed toward the low-mass star GG Tau Ba, although its origin remains uncertain. Using these measurements of the resolved, multifrequency emission structure of the GG Tau A system, models of the far-infrared to radio spectrum are developed to place constraints on the grain size distribution and dust mass in the circumbinary ring. The non-negligible curvature present in the ring spectrum implies a maximum particle size of 1-10 mm, although we are unable to place strong constraints on the distribution shape. The corresponding dust mass is 30-300 M {sub ⊕}, at a temperature of 20-30 K. We discuss how this significant concentration of relatively large particles in a narrow ring at a large radius might be produced in a local region of higher gas pressures (i.e., a particle 'trap') located near the inner edge of the circumbinary disk.

  16. Decays Z{yields}gg{gamma} and Z{sup '}{yields}gg{gamma} in the minimal 331 model

    SciTech Connect (OSTI)

    Flores-Tlalpa, A.; Montano, J.; Ramirez-Zavaleta, F.; Toscano, J. J.

    2009-10-01

    The one-loop induced Z{yields}gg{gamma} and Z{sup '}{yields}gg{gamma} decays are studied within the context of the minimal 331 model, which predicts the existence of new gauge bosons and three exotic quarks. It is found that the Z{yields}gg{gamma} decay is insensitive to the presence of the exotic quarks, as it is essentially governed by the first two families of known quarks. As to the Z{sup '}{yields}gg{gamma} decay, it is found that the exotic quark contribution dominates and that for a heavy Z{sup '} boson it leads to a {gamma}(Z{sup '}{yields}gg{gamma}) that is more than 1 order of magnitude larger than that associated with {gamma}(Z{sup '}{yields}ggg). This result may be used to distinguish a new neutral Z{sup '} boson from those models that do not introduce exotic quarks.

  17. ackerman_radar.pdf

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

  18. ackerman-99.PDF

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

    that we decide on as measures for our study. Unfortunately, non- availability of continuous TOA flux data prevents its implementation for comparison purposes and we are solely...

  19. ackerman-98.pdf

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

    developed by our research group. These basic cloud statistics should prove useful for comparing with both single-column model (SCM) and general circulation model (GCM)...

  20. ARM - Publications: Science Team Meeting Documents

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

    Cirrus Cloud Statistics from a Cloud-Resolving Model Simulation Compared to Cloud Radar Observations Krueger, S.K. (a), Luo, Y. (a), Mace, G.G. (a), and Xu, K.-M. (b), University of Utah (a), NASA Langley Research Center (b) Eleventh Atmospheric Radiation Measurement (ARM) Science Team Meeting Mace, Clothiaux, and Ackerman (2000; MCA) determined the properties of cirrus clouds derived from one year (December 1996 to November 1997) of MMCR data collected at the SGP ARM site in Oklahoma. They also

  1. PowerPoint Presentation

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

    ... Hour Hour Height (km) Comparison of Microbase, Mace and Marchand Products References: Mace, GG, et al. 2006. "Cloud radiative forcing at the ARM Climate Research Facility: Part 1. ...

  2. CIRCUMBINARY GAS ACCRETION ONTO A CENTRAL BINARY: INFRARED MOLECULAR HYDROGEN EMISSION FROM GG Tau A

    SciTech Connect (OSTI)

    Beck, Tracy L.; Lubow, S. H.; Bary, Jeffrey S.; Dutrey, Anne; Guilloteau, Stephane; Pietu, Vincent; Simon, M. E-mail: lubow@stsci.edu E-mail: Anne.Dutrey@obs.u-bordeaux1.fr E-mail: pietu@iram.fr

    2012-07-20

    We present high spatial resolution maps of ro-vibrational molecular hydrogen emission from the environment of the GG Tau A binary component in the GG Tau quadruple system. The H{sub 2} v = 1-0 S(1) emission is spatially resolved and encompasses the inner binary, with emission detected at locations that should be dynamically cleared on several hundred year timescales. Extensions of H{sub 2} gas emission are seen to {approx}100 AU distances from the central stars. The v = 2-1 S(1) emission at 2.24 {mu}m is also detected at {approx}30 AU from the central stars, with a line ratio of 0.05 {+-} 0.01 with respect to the v = 1-0 S(1) emission. Assuming gas in LTE, this ratio corresponds to an emission environment at {approx}1700 K. We estimate that this temperature is too high for quiescent gas heated by X-ray or UV emission from the central stars. Surprisingly, we find that the brightest region of H{sub 2} emission arises from a spatial location that is exactly coincident with a recently revealed dust 'streamer' which seems to be transferring material from the outer circumbinary ring around GG Tau A into the inner region. As a result, we identify a new excitation mechanism for ro-vibrational H{sub 2} stimulation in the environment of young stars. The H{sub 2} in the GG Tau A system appears to be stimulated by mass accretion infall as material in the circumbinary ring accretes onto the system to replenish the inner circumstellar disks. We postulate that H{sub 2} stimulated by accretion infall could be present in other systems, particularly binaries and 'transition disk' systems which have dust-cleared gaps in their circumstellar environments.

  3. New class of supersymmetric signatures in the processes gg{yields}HH', VH

    SciTech Connect (OSTI)

    Gounaris, G. J.; Layssac, J.; Renard, F. M.

    2009-07-01

    Within the minimal supersymmetric model (MSSM) and standard model (SM) frameworks, we analyze the 1loop electroweak predictions for the helicity amplitudes describing the 17 processes gg{yields}HH', and the 9 processes gg{yields}VH; where H, H{sup '} denote Higgs or Goldstone bosons, while V=Z, W{sup {+-}}. Concentrating on MSSM, we then investigate how the asymptotic helicity conservation (HCns) property of supersymmetry (SUSY) affects the amplitudes at the LHC energy range and what is the corresponding situation in the SM, where no HCns theorem exists. HCns is subsequently used to construct many relations among the cross sections of the above MSSM processes, depending only on the standard MSSM angles {alpha} and {beta} characterizing the two Higgs doublets. These relations should be asymptotically exact but as the energy decreases toward the LHC range, mass-depending deviations should start appearing. Provided the SUSY scale is not too high, these relations may remain roughly correct, even at the LHC energy range.

  4. DOE/SC-ARM-XXXX DOE/SC-ARM-0706 DOE/SC-ARM-0805

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

    ... Dong, X, B Wielicki, B Xi, Y Hu, GG Mace, S Benson, F Rose, S Kato, T Charlock, and P ... May, PT, JH Mather, G Vaughan, C Jakob, GM McFarquhar, KN Bower, and GG Mace. 2008. "The ...

  5. 1

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

    ... Nebraska. Liljegren, JC, EE Clothiaux, GG Mace, S Kato, and X Dong. 2001. "A new ... EJ Mlawer, and GG Mace. 2003. "ARM value- added cloud products: Description and status." ...

  6. Macquarie Island Cloud and Radiation Experiment (MICRE) Science...

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

    ... doi:10.10292009JD013121. Dong, X and GG Mace. 2003. "Profiles of low-level stratus ... Geophysical Research Letters 34(22): L22710, doi:10.10292007GL031383. Mace, GG. 2010. ...

  7. ARM - 2012 AGU Presentations Featuring ARM Data

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

    ... Measurements Collected by the ARM Program GG Mace, S Cooper, DJ Posselt 3:10 pm, M-West ... G Bland, CN Flagg, SA Klein, P Kollias, GG Mace, M Reynolds, SE Schwartz, P Siebesma, ...

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

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

    Data Set (ACRED) C Zhao MP Jensen S Xie GG Mace SA Klein SA McFarlane R McCoy EJ ... MP Jensen, Brookhaven National Laboratory GG Mace, University of Utah SA McFarlane, ...

  9. DOE/SC-ARM-10-021 STORMVEX: The Storm Peak Lab Cloud Property...

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

    ... 463, doi:10.1175JTECH1975.1. Dong, X, and GG Mace. 2003. "Profiles of low-level stratus ... Journal of Geophysical Research 107(D18): 4345, doi:10.10292001JD002046. Mace, GG, S ...

  10. First Measurement of sigma(gg -> ttbar)/sigma(ppbar -> ttbar)

    SciTech Connect (OSTI)

    Pashapour Alamdari, Shabnaz; /Toronto U.

    2008-06-01

    The work presented here is the first measurement of the fraction of top quark pair production through gluon-gluon fusion. We use an integrated luminosity of 0.96 {+-} 0.06 fb{sup -1} of p{bar p} collisions at {radical}s of 1.96 TeV collected by the CDF II detector. We select t{bar t} candidates by identifying a high-p{sub T} lepton candidate, a large missing E{sub T} as evidence for a neutrino candidate and at least four high E{sub T} jets, one of which has to be identified as originating from a b quark. The challenge is to discriminate between the two production processes with the identical final state, gg {yields} t{bar t} and q{bar q} {yields} t{bar t}. We take advantage of the fact that compared to a quark, a gluon is more likely to radiate a low momentum gluon and therefore, one expects a larger number of charged particles with low p{sub T} in a process involving more gluons. Given the large uncertainties associated with the modeling of the low p{sub T} charged particle multiplicity, a data-driven technique was employed. Using calibration data samples, we show there exists a clear correlation between the observed average number of low p{sub T} charged particles and the average number of gluons involved in the production process predicted by Monte Carlo calculations. Given the correlation, one can identify low p{sub T} charged particle multiplicity distributions associated with specific average number of gluons. The W + 0 jet sample and dijets sample with leading jet E{sub T} in the range of 80-100 GeV are used to find no-gluon and gluon-rich low p{sub T} charged particle multiplicity distributions, respectively. Using these no-gluon and gluon-rich distributions in a likelihood fit, we find the fraction of gluon-rich events in t{bar t} candidates. This fraction has contributions from the signal and background events. Taking into account these contributions and the gg {yields} t{bar t} and q{bar q} {yields} t{bar t} production channel acceptances, we find {sigma}(gg {yields} t{bar t})/{sigma}(p{bar p} {yields} t{bar t}) = 0.07 {+-} 0.14(stat) {+-} 0.07(syst) in agreement with the theoretical predictions of 0.15 {+-} 0.05. This measurement is a stepping stone towards a better understanding of the production mechanism of top quark pairs and implies that at least 67% of the t{bar t} events are consistent with q{bar q} production at 95% C.L, leaving little room for non SM processes which are not similar to the q{bar q} {yields} t{bar t} in their gluon radiation. The result confirms our current understanding of the SM high p{sub T} production mechanism and the relative gluon PDFs at relatively high Q{sup 2} and x.

  11. Explicit CP violation in the MSSM through gg{yields}H{sub 1{yields}{gamma}{gamma}}

    SciTech Connect (OSTI)

    Hesselbach, S.; Moretti, S.; Munir, S.; Poulose, P.

    2010-10-01

    We prove the strong sensitivity of the gg{yields}H{sub 1{yields}{gamma}{gamma}} cross section at the Large Hadron Collider on the explicitly CP-violating phases of the minimal supersymmetric standard model, where H{sub 1} is the lightest supersymmetric Higgs boson.

  12. Lactobacillus rhamnosus GG-supplemented formula expands butyrate-producing bacterial strains in food allergic infants

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

    Berni Canani, Roberto; Sangwan, Naseer; Stefka, Andrew T.; Nocerino, Rita; Paparo, Lorella; Aitoro, Rosita; Calignano, Antonio; Khan, Aly A.; Gilbert, Jack A.; Nagler, Cathryn R.

    2015-09-22

    Dietary intervention with extensively hydrolyzed casein formula supplemented with Lactobacillus rhamnosus GG (EHCF+LGG) accelerates tolerance acquisition in infants with cow’s milk allergy (CMA). We examined whether this effect is attributable, at least in part, to an influence on the gut microbiota. Fecal samples from healthy controls (n=20) and from CMA infants (n=19) before and after treatment with EHCF with (n=12) and without (n=7) supplementation with LGG were compared by 16S rRNA-based operational taxonomic unit clustering and oligotyping. Differential feature selection and generalized linear model fitting revealed that the CMA infants have a diverse gut microbial community structure dominated by Lachnospiraceaemore » (20.5±9.7%) and Ruminococcaceae (16.2±9.1%). Blautia, Roseburia and Coprococcus were significantly enriched following treatment with EHCF and LGG, but only one genus, Oscillospira, was significantly different between infants that became tolerant and those that remained allergic. However, most tolerant infants showed a significant increase in fecal butyrate levels, and those taxa that were significantly enriched in these samples, Blautia and Roseburia, exhibited specific strain-level demarcations between tolerant and allergic infants. As a result, our data suggest that EHCF+LGG promotes tolerance in infants with CMA, in part, by influencing the strain-level bacterial community structure of the infant gut.« less

  13. Process gg{yields}h{sub 0}{yields}{gamma}{gamma} in the Lee-Wick standard model

    SciTech Connect (OSTI)

    Krauss, F.; Underwood, T. E. J.; Zwicky, R.

    2008-01-01

    The process gg{yields}h{sub 0}{yields}{gamma}{gamma} is studied in the Lee-Wick extension of the standard model (LWSM) proposed by Grinstein, O'Connell, and Wise. In this model, negative norm partners for each SM field are introduced with the aim to cancel quadratic divergences in the Higgs mass. All sectors of the model relevant to gg{yields}h{sub 0}{yields}{gamma}{gamma} are diagonalized and results are commented on from the perspective of both the Lee-Wick and higher-derivative formalisms. Deviations from the SM rate for gg{yields}h{sub 0} are found to be of the order of 15%-5% for Lee-Wick masses in the range 500-1000 GeV. Effects on the rate for h{sub 0}{yields}{gamma}{gamma} are smaller, of the order of 5%-1% for Lee-Wick masses in the same range. These comparatively small changes may well provide a means of distinguishing the LWSM from other models such as universal extra dimensions where same-spin partners to standard model fields also appear. Corrections to determinations of Cabibbo-Kobayashi-Maskawa (CKM) elements |V{sub t(b,s,d)}| are also considered and are shown to be positive, allowing the possibility of measuring a CKM element larger than unity, a characteristic signature of the ghostlike nature of the Lee-Wick fields.

  14. QCD Corrections to e{sup +}e{sup -}{yields}J/{psi}+gg at B Factories

    SciTech Connect (OSTI)

    Ma Yanqing; Zhang Yujie; Chao Kuangta

    2009-04-24

    In heavy quarkonium production, the measured ratio R{sub cc}={sigma}[J/{psi}+cc+X]/{sigma}[J/{psi}+X] at B factories is much larger than existing theoretical predictions. To clarify this discrepancy, in nonrelativistic QCD we find the next-to-leading-order (NLO) QCD correction to e{sup +}e{sup -}{yields}J/{psi}+gg can enhance the cross section by about 20%. Together with the calculated NLO result for e{sup +}e{sup -}{yields}J/{psi}+cc, we show that the NLO corrections can significantly improve the fit to the ratio R{sub cc}. The effects of leading logarithm resummation near the end point on the J/{psi} momentum distribution and total cross section are also considered. Comparison of the calculated cross section for e{sup +}e{sup -}{yields}J/{psi}+gg with the observed cross section for e{sup +}e{sup -}{yields}J/{psi}+non-(cc) is expected to provide unique information on the issue of color-octet contributions.

  15. Research Highlight

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

    Area of Research: Cloud DistributionsCharacterizations Working Group(s): Cloud Life Cycle Journal Reference: Zhao Y, GG Mace, and JM Comstock. 2011. "The occurrence of particle ...

  16. Lactobacillus rhamnosus GG-supplemented formula expands butyrate-producing bacterial strains in food allergic infants

    SciTech Connect (OSTI)

    Berni Canani, Roberto; Sangwan, Naseer; Stefka, Andrew T.; Nocerino, Rita; Paparo, Lorella; Aitoro, Rosita; Calignano, Antonio; Khan, Aly A.; Gilbert, Jack A.; Nagler, Cathryn R.

    2015-09-22

    Dietary intervention with extensively hydrolyzed casein formula supplemented with Lactobacillus rhamnosus GG (EHCF+LGG) accelerates tolerance acquisition in infants with cow’s milk allergy (CMA). We examined whether this effect is attributable, at least in part, to an influence on the gut microbiota. Fecal samples from healthy controls (n=20) and from CMA infants (n=19) before and after treatment with EHCF with (n=12) and without (n=7) supplementation with LGG were compared by 16S rRNA-based operational taxonomic unit clustering and oligotyping. Differential feature selection and generalized linear model fitting revealed that the CMA infants have a diverse gut microbial community structure dominated by Lachnospiraceae (20.5±9.7%) and Ruminococcaceae (16.2±9.1%). Blautia, Roseburia and Coprococcus were significantly enriched following treatment with EHCF and LGG, but only one genus, Oscillospira, was significantly different between infants that became tolerant and those that remained allergic. However, most tolerant infants showed a significant increase in fecal butyrate levels, and those taxa that were significantly enriched in these samples, Blautia and Roseburia, exhibited specific strain-level demarcations between tolerant and allergic infants. As a result, our data suggest that EHCF+LGG promotes tolerance in infants with CMA, in part, by influencing the strain-level bacterial community structure of the infant gut.

  17. Technical Sessions T. Ackerman, B. Albrecht, D. Lamb, N. Seaman...

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

    A large part of our activities in this first year have focused on this particular component. The second focuses on physically-based process models desilned to simulate cloud...

  18. Tropical Western Pacific T. Ackerman Pennsylvania Sate University

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

    ... design for ocean-based instrumentation will take considerable time and effort. Given the high cost of operating in a remote environment and the current funding situation, ...

  19. ARM - 2011 AGU Presentations Featuring ARM Data

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    ... DH Lowenthal, IB Mccubbin, LM Avallone, GG Mace, J French, LD Oolman 11:20 am, M-West ... Deng, M Dunn, R Hogan, D Huang, MP Jensen, GG Mace, SA McFarlane, E O'Connor, A Protat, M ...

  20. Combined Tevatron upper limit on gg -> H -> W^+W^- and constraints on the Higgs boson mass in fourth-generation fermion models

    SciTech Connect (OSTI)

    Aaltonen, T.; Abazov, V.M.; Abbott, B.; Abolins, M.; Acharya, B.S.; Adams, M.; Adams, T.; Adelman, J.; Aguilo, E.; Alexeev, G.D.; Alkhazov, G.

    2010-05-01

    We combine results from searches by the CDF and D0 collaborations for a standard model Higgs boson (H) in the process gg {yields} H {yields} W{sup +}W{sup -} in p{bar p} collisions at the Fermilab Tevatron Collider at {radical}s = 1.o6 TeV. With 4.8 fb{sup -1} of itnegrated luminosity analyzed at CDF and 5.4 fb{sup -1} at D0, the 95% Confidence Level upper limit on {sigma}(gg {yields} H) x {Beta}(H {yields} W{sup +}W{sup -}) is 1.75 pb at m{sub H} = 120 GeV, 0.38 pb at m{sub H} = 165 GeV, and 0.83 pb at m{sub H} = 200 GeV. Assuming the presence of a fourth sequential generation of fermions with large masses, they exclude at the 95% Confidence Level a standard-model-like Higgs boson with a mass between 131 and 204 Gev.

  1. Relativistic correction to e{sup +}e{sup -{yields}}J/{psi}+gg at B factories and constraint on color-octet matrix elements

    SciTech Connect (OSTI)

    He Zhiguo; Fan Ying; Chao Kuangta

    2010-03-01

    We calculate the relativistic correction to J/{psi} production in the color-singlet process e{sup +}e{sup -{yields}}J/{psi}+gg at B factories. We employ the nonrelativistic QCD factorization approach, where the short-distance coefficients are calculated perturbatively and the long-distance matrix elements are extracted from the decays of J/{psi} into e{sup +}e{sup -} and light hadrons. We find that the O(v{sup 2}) relativistic correction can enhance the cross section by a factor of 20-30%, comparable to the enhancement due to the O({alpha}{sub s}) radiative correction obtained earlier. Combining the relativistic correction with the QCD radiative correction, we find that the color-singlet contribution to e{sup +}e{sup -{yields}}J/{psi}+gg can saturate the latest observed cross section {sigma}(e{sup +}e{sup -{yields}}J/{psi}+X{sub non-cc})=0.43{+-}0.09{+-}0.09 pb by Belle, thus leaving little room to the color-octet contributions. This gives a very stringent constraint on the color-octet contribution, and may imply that the values of color-octet matrix elements are much smaller than expected earlier by using the naive velocity scaling rules or extracted from fitting experimental data with the leading-order calculations.

  2. Combined Tevatron upper limit on gg{yields}H{yields}W{sup +}W{sup -} and constraints on the Higgs boson mass in fourth-generation fermion models

    SciTech Connect (OSTI)

    Aaltonen, T.; Mehtala, P.; Orava, R.; Osterberg, K.; Saarikko, H.; Remortel, N. van; Abazov, V. M.; Alexeev, G. D.; Artikov, A.; Budagov, J.; Chokheli, D.; Glagolev, V.; Golovanov, G.; Kharzheev, Y. N.; Malyshev, V. L.; Poukhov, O.; Prokoshin, F.; Semenov, A.; Simonenko, A.; Sisakyan, A.

    2010-07-01

    We combine results from searches by the CDF and D0 collaborations for a standard model Higgs boson (H) in the process gg{yields}H{yields}W{sup +}W{sup -} in pp collisions at the Fermilab Tevatron Collider at {radical}(s)=1.96 TeV. With 4.8 fb{sup -1} of integrated luminosity analyzed at CDF and 5.4 fb{sup -1} at D0, the 95% confidence level upper limit on {sigma}(gg{yields}H)xB(H{yields}W{sup +}W{sup -}) is 1.75 pb at m{sub H}=120 GeV, 0.38 pb at m{sub H}=165 GeV, and 0.83 pb at m{sub H}=200 GeV. Assuming the presence of a fourth sequential generation of fermions with large masses, we exclude at the 95% confidence level a standard-model-like Higgs boson with a mass between 131 and 204 GeV.

  3. Next-to-Leading-Order QCD Corrections to e{sup +}e{sup -}{yields}J/{psi}gg at the B Factories

    SciTech Connect (OSTI)

    Gong Bin; Wang Jianxiong

    2009-04-24

    We calculate the next-to-leading-order (NLO) QCD corrections to e{sup +}e{sup -}{yields}J/{psi}gg via color singlet J/{psi}({sup 3}S{sub 1}) at the B factories. The result shows that the cross section is enhanced to 0.373 pb by a K factor (NLO/LO) of about 1.21. By considering its dependence on the charm quark mass and renormalization scale, the NLO cross section can range from 0.294 to 0.409 pb. Further including the {psi}{sup '} feed-down, {sigma}[e{sup +}e{sup -}{yields}J/{psi}X(non-cc)] is enhanced by another factor of about 1.29 and reach 0.482 pb. In addition, the momentum distributions of J/{psi} production and polarization are presented. Recent measurements from Belle agree well with our prediction for the cross section and momentum distribution. It is expected that this process can serve as a very good channel to clarify the J/{psi} polarization puzzle by performing further experimental measurements.

  4. Combined CDF and D0 upper limits on $gg\\to H\\to W^+W^-$ and constraints on the Higgs boson mass in fourth-generation fermion models with up to 8.2 fb$^{-1}$ of data

    SciTech Connect (OSTI)

    Benjamin, Doug; /Tufts U.

    2011-08-01

    We combine results from searches by the CDF and D0 Collaborations for a standard model Higgs boson (H) in the processes gg {yields} H {yields} W{sup +}W{sup -} and gg {yields} H {yields} ZZ in p{bar p} collisions at the Fermilab Tevatron Collider at {radical}s = 1.96 TeV. With 8.2 fb{sup -1} of integrated luminosity analyzed at CDF and 8.1 fb{sup -1} at D0, the 95% C.L. upper limit on {sigma}(gg {yields} H) x {Beta}(H {yields} W{sup +}W{sup -}) is 1.01 pb at m{sub H} = 120 GeV, 0.40 pb at m{sub H} = 165 GeV, and 0.47 pb at m{sub H} = 200 GeV. Assuming the presence of a fourth sequential generation of fermions with large masses, we exclude at the 95% Confidence Level a standard-model-like Higgs boson with a mass between 124 and 286 GeV.

  5. ARM - Publications: Science Team Meeting Documents

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

    A WWW-Staged Prototype ARM Database Utility Mace, G.G. and Hudach, D., University of Utah Thirteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting Counting from when...

  6. ARM - Publications: Science Team Meeting Documents

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

    Evaluation of Cirrus Cloud Simulations Using ARM Data - Development of a Case Study Data Set Starr, D. (a), Demoz, B.D. (b), Lare, A. (c), Mace, G.G. (d), Sassen, K. (e),...

  7. Research Highlight

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

    Area of Research: Cloud DistributionsCharacterizations Working Group(s): Cloud Modeling Journal Reference: Naud, C, A Del Genio, GG Mace, S Benson, EE Clothiaux, and P Kollias. ...

  8. Bench-Scale Cross Flow Filtration of

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

    ... GCM study." Journal of Climate 1635-1645, doi: 10.11751520-0442(1996)009. Mace, GG, R Marchand, Q Zhang, and G Stephens. 2007. "Global hydrometeor occurrence as observed ...

  9. 1

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

    ... Quarterly Journal of the Royal Meteorological Society 126:2903-2909. Mace, GG, and S Benson-Troth. 2002. "Cloud-layer overlap characteristics derived from long-term cloud radar ...

  10. Microsoft Word - wang_z.doc

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

    ... JC, EE Clothiaux, GG Mace, S Kato, and X Dong. 2001. "A new retrieval for cloud liquid water path using a ground-based microwave radiometer and measurements of cloud temperature." ...

  11. Research Highlight

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

    Working Group(s): Radiative Processes Journal Reference: Dong, X, BA Wielicki, B Xi, Y Hu, GG Mace, S Benson, F Rose, S Kato, T Charlock, and P Minnis. 2008. "Using observations of ...

  12. Microsoft Word - Group4CloudtoPrecip(RS).docx

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

    ... Journal of Geophysical Research: Atmospheres 114: D11, doi:10.10292008JD011387. Kato, S, GG Mace, EE Clothiaux, JC Liljegren, and RT Austin. 2001. "Doppler cloud radar derived ...

  13. 1

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

    ... March 14-18, 2005 Mlawer, EJ, TR Shippert, CN Long, MA Miller, KL Johnson, DT Troyan, GG Mace, SA Clough, MH Zhang, SC Xie, RT Cederwall, JJ Yio, DR Doelling, DA Rutan, DD ...

  14. ARM - Events Article

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

    at the ARM Sites Wednesday, December 5, 2:55 pm, M-West 3004 Invited Speakers: GG Mace, S Cooper, DJ Posselt A33Q-07. Resolving Processes that Modulate the Properties of ...

  15. Research Highlight

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

    Area of Research: Cloud DistributionsCharacterizations Working Group(s): Cloud Properties Journal Reference: Wang X, KN Liou, SS Ou, GG Mace, and M Deng. 2009. "Remote sensing of ...

  16. Research Highlight

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

    Area of Research: General Circulation and Single Column ModelsParameterizations Working Group(s): Cloud Life Cycle Journal Reference: Mace GG, S Houser, S Benson, SA Klein, and QL ...

  17. 1

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

    ... Journal of Geophysical Research 107 (D23), 10.10292000JD000240. Dong, X, P Minnis, GG Mace, WL Smith, Jr., M Poellot, RT Marchand, and AD Rapp. 2002. Comparison of stratus cloud ...

  18. 1

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

    ... 20-24, CD-ROM, P2.4. Huang, J, Y Yi, MM Khaiyer, P Minnis, B Lin, RF Arduini, and GG Mace. 2003. "Multilayered cloud retrieval over the ARM SGP." In Proceedings of the ...

  19. Bench-Scale Cross Flow Filtration of

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

    ... Boundary-Layer Meteorology 89: 75-107. Dong, X, and GG Mace. 2003. "Arctic stratus cloud properties and radiative forcing derived from ground-based data collected near Point ...

  20. ARM - Publications: Science Team Meeting Documents

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

    Mining the ARM Data Set: A WWW-Staged Prototype Relational Database of ARM Data Mace, G.G. and Hudach, D.P., University of Utah Twelfth Atmospheric Radiation Measurement (ARM)...

  1. X:\ARM_19~1\P155-184.WPD

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

    3 Examination of Objective Analysis Precision Using Wind Profiler and Radiosonde Network Data G. G. Mace and T. P. Ackerman Penn State University, Department of Meteorology University Park, Pennsylvania Introduction One of the principal research strategies that has emerged from the science team of the Atmospheric Radiation Measurement (ARM) Program is the use of a single column model (SCM). The basic assumption behind the SCM approach is that a cloud and radiation parameterization embedded in a

  2. X:\ARM_19~1\P185-192.WPD

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

    Micropulse lidar cloud base frequency. A One-Year Cloud Climatology Using Data from the Southern Great Plains (SGP) Site Micropulse Lidar G. G. Mace and T. P. Ackerman Penn State University, Department of Meteorology University Park, Pennsylvania J. Spinhirne and S. Scott NASA Goddard Space Flight Center Greenbelt, Maryland Data Acquisition and Analysis The micropulse lidar (MPL) has been operational at the Southern Great Plains site of the Atmospheric Radiation Measurement Program for the past

  3. Section 45

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

    The Relationship Between Composite Cirrus Morphology and Large-Scale Meteorology Derived from 94-GHz Cloud Radar Data G. G. Mace and T. P. Ackerman Department of Meteorology The Pennsylvania State University University Park, Pennsylvania Introduction While it is generally recognized that clouds play an important role in the climate system, many fundamental cloud properties have not been extensively observed. Clouds can be described on multiple spatial and temporal scales. At the largest scales,

  4. Section 68

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

    An Evaluation of Cirrus Parameterizations Using Southern Great Plains Data D. A. Sovchik, G. C. Mace, and T. P. Ackerman Department of Meteorology The Pennsylvania State University University Park, Pennsylvania Parameterization of cirrus in large-scale models is a challeng- considerably. A detailed analysis of the resulting distributions ing problem for a number of reasons. Among the most has not yet been carried out, but will be used to identify important of these has been the lack of

  5. Microsoft Word - SPARTICUS_Science_Plan_DOE-SC-ARM-1001.doc

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

    3 SPARTICUS: Small Particles in Cirrus Science and Operations Plan J Mace Principal Investigator E Jensen D Mitchell G McFarquhar X Liu J Comstock T Garrett T Ackerman October 2009 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

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

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

    YC Sud, DD Turner, DE Veron, K von Salzen, GK Walker, Z Wang, AB Wolf, S Xie, KM Xu, F Yang, and G Zhang. 2009. "Intercomparison of model simulations of mixed- phase clouds...

  7. ARM - Publications: Science Team Meeting Documents

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

    CRYSTAL FACE: An Intensive Field Campaign for the Study of Tropical Cirrus Mather, J.H.(a), Mace, G.G.(b), Ackerman, T.P.(a), Comstock, J.M.(a), Flynn, C.J.(a), Widener, K.B.(a), and Marchand, R.T.(a), Pacific Northwest National Laboratory (a), University of Utah (b) Twelfth Atmospheric Radiation Measurement (ARM) Science Team Meeting In July of 2002, ARM will take part in CRYSTAL (Cirrus Regional Study of Tropical Anvils and Cirrus Layers), a joint experiment with NASA for the purpose of

  8. ARM - Publications

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

    ... 29(3), doi: 10.1175jcli-d-15-0349.1. ARM Deng M, GG Mace, Z Wang, and E Berry. 2016. "CloudSat 2C-ICE product update with a new Z(e) parameterization in lidar-only region." ...

  9. Lactobacillus rhamnosus GG-supplemented formula expands butyrate...

    Office of Scientific and Technical Information (OSTI)

    provided as a public service. Visit OSTI to utilize additional information resources in energy science and technology. Dietary intervention with extensively hydrolyzed casein...

  10. ARM - Publications: Science Team Meeting Documents

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

    Comparison of Cloud Information from the MMCR of ARM Sites with that from the Aqua MODIS Cloud Mask Mace, G.G. and Zhang, Q., University of Utah Fourteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting CloudSat is an experimental satellite which will use Cloud Profiling Radar (CPR) to measure the vertical structure of clouds from space. It will fly in orbital formation as part of a constellation of satellites including Aqua, CALIPSO, PARASOL and Aura. We develop an algorithm that

  11. ARM - Publications: Science Team Meeting Documents

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

    26 September 1997 CART Case Study of a Cirrus Cloud Producing a Spectacular Optical Display Sassen, K., and Mace, G.G., Department of Meteorology, University of Utah; Arnott, W.P., and Hallett, J., Desert Research Institute; Liou, K.N., and Takano, Y., Dept. Atmospheric Sciences, University of California at Los Angeles; Poellot, M.R., Atmospheric Sciences Department, University of North Dakota Eighth Atmospheric Radiation Measurement (ARM) Science Team Meeting During the September 1997 Intensive

  12. ARM - Publications: Science Team Meeting Documents

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

    NSDL Community Development for Learners Utilizing ARM Data Andrew, K. (a), Klaus, C. (b), Mace, G.G. (c), McCollum, T. (d), and Gobble, T. (e), Eastern Illinois University (a), Argonne National Laboratory (b), University of Utah (c), Charleston Middle School (d), Carl Sanburg High School (e) Eleventh Atmospheric Radiation Measurement (ARM) Science Team Meeting As part of the NSF National Science Digital Library (NSDL) project in Science, Mathematics, Engineering, and Technology Education (SMETE)

  13. ARM - Publications: Science Team Meeting Documents

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

    Terra Validation Opportunities with ARM Data: A Summary of Overpasses and Ground-Based Validation Products Mace, G.G., Benson, S., Vernon, E.N., and Zhang, Y., Department of Meteorology, Univeristy of Utah Eleventh Atmospheric Radiation Measurement (ARM) Science Team Meeting The flagship spacecraft of the EOS program, Terra, was launched into polar orbit in December 1999. Terra has been generating science quality data since about February 2000. Instruments on Terra include the mid and high

  14. ARM - Publications: Science Team Meeting Documents

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

    The Bulk Properties of Mid Latitude Cirrus Events: Sensitivity to Large Scale Controlling Factors Vernon, E.N. and Mace, G.G., Department of Meteorology, Unviversity of Utah Eleventh Atmospheric Radiation Measurement (ARM) Science Team Meeting The extensive cirrus record recored in the ARM data is being used to investigate the sensitivity of certain cirrus properties to the large scale meteorology. Using millimeter cloud radar (MMCR) data from the Southern Great Plains site, a statistical

  15. ARM - Publications: Science Team Meeting Documents

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

    An Integrated Algorithm for Retrieving Low-Level Stratus Cloud Microphysical Properties Using Millimeter Radar and Microwave Radiometer Data Dong, X. and Mace, G.G., University of Utah Twelfth Atmospheric Radiation Measurement (ARM) Science Team Meeting Two methods have been developed for inferring the vertical profiles of cloud microphysics in liquid phase stratocumulus clouds. The first method uses cloud liquid water path derived from microwave radiometer observations and a profile of radar

  16. ARM - Publications: Science Team Meeting Documents

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

    Arctic Stratus Cloud Properties and Radiaitve Forcing Derived From Ground-Based Data Collected at ARM NSA Site and SHEBA Ship Dong, X. and Mace, G.G., University of Utah Twelfth Atmospheric Radiation Measurement (ARM) Science Team Meeting A record of single-layer and overcast low-level Arctic stratus cloud properties has been generated using data collected at the Atmospheric Radiation Measurement site near Barrow, Alaska from May to September 2000. The record includes liquid-phase and liquid

  17. ARM - Publications: Science Team Meeting Documents

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

    Evaluation of MODIS Cloud Mask Products (MOD35) with MMCR Data Zhang, Q. and Mace, G.G., University of Utah Thirteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting The Moderate-Resolution Imaging Spectroradiometer (MODIS) provides global observations of Earth's land, oceans, and atmosphere. The MODIS cloud mask product provides significant information on the occurrence and horizontal distribution of clouds. In this research, we develop an algorithm to identify the atmospheric

  18. ARM - Publications: Science Team Meeting Documents

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

    Relationships Between Cirrus and Large-Scale Meteorology Benson, S., Mace, G.G., and Vernon, E.N., University of Utah Cirrus cloud properties are influenced by the large-scale meteorology in which they form and evolve. Studying the large-scale meteorology that exists during cirrus events, and the relationships between the large-scale meteorology and cirrus cloud properties, will improve our understanding of cirrus clouds. The NCEP/NCAR reanalysis product is used to examine the average

  19. ARM - Publications: Science Team Meeting Documents

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

    A Self-Consistent Hierarchy of Cirrus Cloud Property Retrieval Algorithms Mace, G.G. and Zhang, Y., University of Utah Fourteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting The problem of deriving cloud properties from remotely sensed data remains fundamentally important to many problems relevant to ARM. We have been working to derive a suite of cloud property retrieval algorithms that increase logically in complexity. Using an extensive set of aircraft data to constrain the

  20. Study of charmonium resonances in the gg -> K0SK pi- and gg -> K K-pi pi-pi0 processes

    SciTech Connect (OSTI)

    Biassoni, Pietro; /U. Milan, Dept. Phys.

    2012-02-22

    This thesis reports the analysis of the e{sup +}e{sup -} {yields} e{sup +}e{sup -}K{sub S}{sup 0}K{sup {+-}}{pi}{sup {-+}} and e{sup +}e{sup -} {yields} e{sup +}e{sup -}K{sup +}K{sup -}{pi}{sup +}{pi}{sup -}{pi}{sup 0} processes using the final dataset of the BABAR experiment located at the SLAC National Accelerator Laboratory. From previous measurements, the K{sub S}{sup 0}K{sup {+-}}{pi}{sup {-+}} final state is known to show a clear signal from the {eta}{sub c}(2S) particle. This c{bar c} state escaped detection for almost twenty years and its properties are still not well established on the experimental ground, while accurate predictions exist on the theoretical side. The e{sup +}e{sup -} {yields} e{sup +}e{sup -}K{sup +}K{sup -}{pi}{sup +}{pi}{sup -}{pi}{sup 0} process is first studied in this thesis. An accurate determination of the {eta}{sub c}(2S) properties is obtained in the K{sub S}{sup 0}K{sup {+-}}{pi}{sup {-+}} decay mode. We also report the first observation of {eta}{sub c}(2S) and other charmonium states to the K{sup +}K{sup -}{pi}{sup +}{pi}{sup -}{pi}{sup 0} final state. The results of this thesis have been published in Physical Review D, and will be useful to test theoretical models describing the charmonium system. The thesis is organized in four chapters. The first one gives a brief introduction of the theoretical models used to describe the charmonium system. The second one discuss the current status of conventional and exotic charmonium spectroscopy, reporting recent experimental results and their interpretation. The third Chapter is devoted to describe the BABAR experiment. The analysis technique and results are described in Chapter 4. Finally, conclusions from this analysis are drawn.

  1. POLICY GUIDANCE MEMORANDUM #35 Procedures for Compliance with...

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  2. POLICY GUIDANCE MEMORANDUM #10 Category Rating | Department of...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    PDF icon POLICY GUIDANCE MEMORANDUM 10 Category Rating Responsible Contacts Jennifer Ackerman Director, Human Capital Policy E-mail jennifer.ackerman@hq.doe.gov Phone (202) ...

  3. POLICY GUIDANCE MEMORANDUM #08 DOE Fair Labor Standards Act ...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    Status Determination Responsible Contacts Jennifer Ackerman Director, Human Capital Policy E-mail jennifer.ackerman@hq.doe.gov Phone (202) 586-3860; More Documents & ...

  4. Search for: All records | DOE PAGES

    Office of Scientific and Technical Information (OSTI)

    Zhou, Miao (2) Zhou, Wu (2) Zou, Xiaolong (2) Ackerman, Thomas (1) Ajayan, Pullikel M (1) ... IN CRM Liu, Zheng ; Muhlbauer, Andreas ; Ackerman, Thomas November 2015 , Wiley Blackwell ...

  5. POLICY GUIDANCE MEMORANDUM #02 Using Schedule A Hiring Authority...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    ARRA Positions (Expired) Responsible Contacts Jennifer Ackerman Director, Human Capital Policy E-mail jennifer.ackerman@hq.doe.gov Phone (202) 586-3860; More Documents & ...

  6. POLICY GUIDANCE MEMORANDUM #03 Addressing Missclassified Positions...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    PDF icon POLICY GUIDANCE MEMORANDUM 3A Addressing Missclassified Positions Responsible Contacts Jennifer Ackerman Director, Human Capital Policy E-mail jennifer.ackerman@hq.doe.go...

  7. ARM ARM Atmospheric Radiation Measurement Atmospheric Radiation...

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

    Tom Ackerman Chief Scientist Tom Ackerman Chief Scientist ARM ARM Atmospheric Radiation Measurement Atmospheric Radiation Measurement Pacific Northwest National Laboratory Pacific ...

  8. ARM 2000

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

    Tom Ackerman Chief Scientist Tom Ackerman Chief Scientist ARM ARM Atmospheric Radiation Measurement Atmospheric Radiation Measurement 2 Outline Outline * Last year's goals * ...

  9. Atmospheric Radiation Measurement Program

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

    Tom Ackerman Chief Scientist Tom Ackerman Chief Scientist ARM ARM Atmospheric Radiation Measurement Atmospheric Radiation Measurement WARNING WARNING Today is April 1 But that ...

  10. SU-GG-T-49: Real Time Dose Verification for Novel Shielded Balloon Brachytherapy

    SciTech Connect (OSTI)

    Govindarajan, Nandakarthik; Nazaryan, Vahagn; Gueye, Paul; Keppel, Cynthia

    2010-06-01

    Purpose: The validation of a novel approach for reducing skindoses to an acceptable level during Accelerated Partial Breast Irradiation (APBI) when the balloon-to-skin distance is inadequate (less than 7 mm) is reported. The study uses a real time dose verification method for a metallic shielded balloon applicator using scintillation fiber technology. Method and Materials: Partial shielding of the radiationdose to the skin using iron or other ferrous powder could enable the extension of APBI to some patients. With small external and pre-determined magnetic fields (

  11. ARM - Publications: Science Team Meeting Documents

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

    Remote Sensing of Three-Dimensional Inhomogeneous Cirrus Clouds: Application to Climate Research Liou, K.N. (a), Ou, S.C. (a), Rolland, P. (a), Gu, Y. (a), Mace, G.G. (b), and Sassen, K. (b), University of California, Los Angeles (a), University of Utah, Salt Lake City (b) Eleventh Atmospheric Radiation Measurement (ARM) Science Team Meeting We have innovated a remote sensing methodology involving the construction of three-dimensional (3D) fields of the ice water content (IWC) and ice crystal

  12. ARM - Publications: Science Team Meeting Documents

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

    Shortwave and Longwave Flux and Cooling Rate Profiles for the ARM Central Facility Clough, S.A. (a), Delamere, J.S. (a), Mlawer, E.J. (a), Cederwall, R.T. (b), Revercomb, H. (c), Tobin, D. (c), Turner, D.D. (c), Knuteson, R.O. (c), Michalsky, J.J. (d), Kiedron, P.W. (d), Ellingson, R.G. (e), Krueger, S.K. (f), Mace, G.G. (f), Shippert, T. (g), and Zhang, M.H.(h), Atmospheric and Environmental Research, Inc. (a), Lawrence Livermore National Laboratory (b), University of Wisconsin-Madison (c),

  13. POLICY GUIDANCE MEMORANDUM #27 Certification Program on Prohibited...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    Responsible Contacts Jennifer Ackerman Director, Human Capital Policy E-mail jennifer.ackerman@hq.doe.gov Phone (202) 586-3860; More Documents & Publications DOE Plan for 2302(c) ...

  14. POLICY GUIDANCE MEMORANDUM #05 Accretion-of-Duties | Department...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    PDF icon POLICY GUIDANCE MEMORANDUM 5 Accretion-of-Duties Responsible Contacts Jennifer Ackerman Director, Human Capital Policy E-mail jennifer.ackerman@hq.doe.gov Phone (202) ...

  15. Bounding the Higgs width at the LHC using full analytic results for $$gg → e^- e^+ \\mu^- \\mu^+$$

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

    Campbell, John M.; Ellis, R. Keith; Williams, Ciaran

    2014-04-09

    We revisit the hadronic production of the four-lepton final state, e– e+ μ– μ+, through the fusion of initial state gluons. This process is mediated by loops of quarks and we provide first full analytic results for helicity amplitudes that account for both the effects of the quark mass in the loop and off-shell vector bosons. The analytic results have been implemented in the Monte Carlo program MCFM and are both fast, and numerically stable in the region of low Z transverse momentum. We use our results to study the interference between Higgs-mediated and continuum production of four-lepton final states,more » which is necessary in order to obtain accurate theoretical predictions outside the Higgs resonance region. We have confirmed and extended a recent analysis of Caola and Melnikov that proposes to use a measurement of the off-shell region to constrain the total width of the Higgs boson. Using a simple cut-and-count method, existing LHC data should bound the width at the level of 25-45 times the Standard Model expectation. We investigate the power of using a matrix element method to construct a kinematic discriminant to sharpen the constraint. Furthermore, in our analysis the bound on the Higgs width is improved by a factor of about 1.6 using a simple cut on the MEM discriminant, compared to an invariant mass cut μ4l > 300 GeV.« less

  16. Two-Loop QCD Amplitude for gg{yields}h, H in the Minimal Supersymmetric Standard Model

    SciTech Connect (OSTI)

    Anastasiou, Charalampos; Beerli, Stefan; Daleo, Alejandro

    2008-06-20

    We present the two-loop QCD amplitude for the interaction of two gluons and a CP-even Higgs boson in the minimal supersymmetric standard model (MSSM). We apply a novel numerical method for the evaluation of Feynman diagrams with infrared, ultraviolet, and threshold singularities. We discuss subtleties in the ultraviolet renormalization of the amplitude with conventional dimensional regularization, dimensional reduction, and the four dimensional helicity scheme. Finally, we show numerical results for scenarios of supersymmetry breaking with a rather challenging phenomenology in which the Higgs signal in the MSSM is suppressed in comparison to the standard model.

  17. Bounding the Higgs width at the LHC using full analytic results for $gg → e^- e^+ \\mu^- \\mu^+$

    SciTech Connect (OSTI)

    Campbell, John M.; Ellis, R. Keith; Williams, Ciaran

    2014-04-09

    We revisit the hadronic production of the four-lepton final state, e e+ μ μ+, through the fusion of initial state gluons. This process is mediated by loops of quarks and we provide first full analytic results for helicity amplitudes that account for both the effects of the quark mass in the loop and off-shell vector bosons. The analytic results have been implemented in the Monte Carlo program MCFM and are both fast, and numerically stable in the region of low Z transverse momentum. We use our results to study the interference between Higgs-mediated and continuum production of four-lepton final states, which is necessary in order to obtain accurate theoretical predictions outside the Higgs resonance region. We have confirmed and extended a recent analysis of Caola and Melnikov that proposes to use a measurement of the off-shell region to constrain the total width of the Higgs boson. Using a simple cut-and-count method, existing LHC data should bound the width at the level of 25-45 times the Standard Model expectation. We investigate the power of using a matrix element method to construct a kinematic discriminant to sharpen the constraint. Furthermore, in our analysis the bound on the Higgs width is improved by a factor of about 1.6 using a simple cut on the MEM discriminant, compared to an invariant mass cut μ4l > 300 GeV.

  18. FY 2009 Annual Report of Joule Software Metric SC GG 3.1/2.5.2, Improve Computational Science Capabilities

    SciTech Connect (OSTI)

    Kothe, Douglas B; Roche, Kenneth J; Kendall, Ricky A

    2010-01-01

    The Joule Software Metric for Computational Effectiveness is established by Public Authorizations PL 95-91, Department of Energy Organization Act, and PL 103-62, Government Performance and Results Act. The U.S. Office of Management and Budget (OMB) oversees the preparation and administration of the President s budget; evaluates the effectiveness of agency programs, policies, and procedures; assesses competing funding demands across agencies; and sets the funding priorities for the federal government. The OMB has the power of audit and exercises this right annually for each federal agency. According to the Government Performance and Results Act of 1993 (GPRA), federal agencies are required to develop three planning and performance documents: 1.Strategic Plan: a broad, 3 year outlook; 2.Annual Performance Plan: a focused, 1 year outlook of annual goals and objectives that is reflected in the annual budget request (What results can the agency deliver as part of its public funding?); and 3.Performance and Accountability Report: an annual report that details the previous fiscal year performance (What results did the agency produce in return for its public funding?). OMB uses its Performance Assessment Rating Tool (PART) to perform evaluations. PART has seven worksheets for seven types of agency functions. The function of Research and Development (R&D) programs is included. R&D programs are assessed on the following criteria: Does the R&D program perform a clear role? Has the program set valid long term and annual goals? Is the program well managed? Is the program achieving the results set forth in its GPRA documents? In Fiscal Year (FY) 2003, the Department of Energy Office of Science (DOE SC-1) worked directly with OMB to come to a consensus on an appropriate set of performance measures consistent with PART requirements. The scientific performance expectations of these requirements reach the scope of work conducted at the DOE national laboratories. The Joule system emerged from this interaction. Joule enables the chief financial officer and senior DOE management to track annual performance on a quarterly basis. Joule scores are reported as success, goal met (green light in PART), mixed results, goal partially met (yellow light in PART), and unsatisfactory, goal not met (red light in PART). Joule links the DOE strategic plan to the underlying base program targets.

  19. PowerPoint Presentation

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

    Remote Sensing The Atmospheric Radiation Measurement (ARM) Program: Observing the ... Tom Ackerman Chief Scientist ARM ARM Atmospheric Radiation Measurement Atmospheric ...

  20. 1

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

    the Estimation of Clear-Sky Upwelling Shortwave and Longwave C.N. Long Pacific Northwest National Laboratory Richland, Washington Introduction Previous work (Long and Ackerman...

  1. Choctaw County, Mississippi: Energy Resources | Open Energy Informatio...

    Open Energy Info (EERE)

    3 Climate Zone Subtype A. Places in Choctaw County, Mississippi Ackerman, Mississippi French Camp, Mississippi Mathiston, Mississippi Weir, Mississippi Retrieved from "http:...

  2. boehm-99.PDF

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

    On the Maintenance of High Tropical Cirrus M. T. Boehm, J. Verlinde, and T. P. Ackerman The Pennsylvania State University, University Park, Pennsylvania Introduction Thin tropical...

  3. QER Public Meeting Santa Fe, NM Electricity Infrastructure Transmissio...

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

    QER Public Meeting Santa Fe, NM Electricity Infrastructure Transmission, Storage, and Distribution - Jurisdictional issues and priorities Remarks of Susan Ackerman, Chair, Oregon...

  4. A Simple Radionuclide-Driven Single-Ion Source (Journal Article...

    Office of Scientific and Technical Information (OSTI)

    Dept. ; Ackerman, N. ; SLAC ; Aharmin, B. ; Laurentian U. more ; Auger, M. ; Bern U., LHEP ; Benitez-Medina, C. ; Colorado State U. ; Breidenbach, M. ; SLAC ; Burenkov, A. ; ...

  5. Search for: All records | SciTech Connect

    Office of Scientific and Technical Information (OSTI)

    ... Evaluation of high-level clouds in cloud resolving model simulations with ARM and KWAJEX observations: HIGH CLOUD IN CRM Liu, Zheng ; Muhlbauer, Andreas ; Ackerman, Thomas November ...

  6. 2013 Distributed Wind Market Report

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    ... Kate Shanks and Kenya Stump (Kentucky Cabinet for Economic Development); Rachel Ackerman, Peter McPhee, Charlotte Wiman (Massachusetts Clean Energy Center); Lise Trudeau, ...

  7. 1

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

    Research Letters 31, L22301 Kato, S, TP Ackerman, EG Dutton, N Laulainen, and N Larson. 1999. "A comparison of modeled and measured surface shortwave irradiance for a...

  8. An Analysis of Cloud Absorption During

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

    Analysis of Cloud Absorption During ARESE II (Spring 2000) D. M. Powell, R. T. Marchand, and T. P. Ackerman Pacific Northwest National Laboratory Richland, Washington Introduction...

  9. Research Highlight

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

    Quantifying the Magnitude of Anomalous Solar Absorption Submitter: Ackerman, T. P., University of Washington Area of Research: General Circulation and Single Column Models...

  10. Research Highlight

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

    Fridlind, and AS Ackerman. 2015. "Properties of a mesoscale convective system in the context of an isentropic analysis." Journal of the Atmospheric Sciences, , doi:10.1175...

  11. wiscombe-98.pdf

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

    figure, please see http:www.arm.gov docsdocumentstechnicalconf9803wiscombe-98. pdf.) Session Papers 821 Following Ackerman and Cox (1981), we assume that interactions...

  12. Research Highlight

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

    Progress in Understanding Water Vapor's Role in Models Submitter: Ackerman, T. P., University of Washington Area of Research: General Circulation and Single Column Models...

  13. ARM - Publications: Science Team Meeting Documents

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

    Cover image Proceedings of the Seventh Atmospheric Radiation Measurement (ARM) Science ... Ackerman, S.A. Atmospheric Radiation Measurement Science Applications of Atmospheric ...

  14. Ground-Based Radar

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

    The Atmospheric Radiation Measurement (ARM) Program A Laboratory for the Study of Clouds ... Tom Ackerman Chief Scientist ARM ARM Atmospheric Radiation Measurement Atmospheric ...

  15. ARM - Publications: Science Team Meeting Documents

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

    Proceedings of the Second Atmospheric Radiation Measurement (ARM) Science Team Meeting ... in Support of the Atmospheric Radiation Measurement Program T. Ackerman, B. ...

  16. Radiative Importance of ThinŽ Liquid Water Clouds

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

    underpinning of the Atmospheric Radiation Measurement (ARM) Program is largely ... Ackerman, T. P., and G. M. Stokes (2003): The Atmospheric Radiation Measurement Program. ...

  17. arm_KI_TPA_2007.cdr

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

    Attempt to Distinguish Dynamical and Microphysical Contributions to the Radiative Properties of Cirrus Clouds at the ARM SGP site K. Ivanova¹ and T. Ackerman² ¹Pennsylvania State University ²University of Washington => * * * - * * * * ?

  18. Progress on a TWP-ICE Monsoon Case Study

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

    Outline Introduction 25-mb large-scale forcing 10-mb large-scale forcing Tracers Future work Progress on a TWP-ICE Monsoon Case Study Ann Fridlind and Andrew Ackerman * NASA GISS...

  19. Research Highlight

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

    Journal Reference: Turner, D.D., S.A. Ackerman, B.A. Baum, H.E. Revercomb, and P. Yang, 2003: "Cloud Phase Determination Using Ground-Based AERI Observations at SHEBA,"...

  20. Observation of Two-Neutrino Double-Beta Decay in Xe-136 with...

    Office of Scientific and Technical Information (OSTI)

    Authors: Ackerman, N. ; SLAC ; Aharmim, B. ; Laurentian U. ; Auger, M. ; Bern U. ; Auty, D.J. ; Alabama U. ; Barbeau, P.S. ; Barry, K. ; Bartoszek, L. ; Stanford U., Phys. ...

  1. ARM - Publications: Science Team Meeting Documents

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

    Relative Importance of Size Distribution and Liquid Water Path to Solar Radiation in the Presence of Continental Stratus Sengupta, M.(a), Ackerman, T.P.(a), and Clothiaux, E.E.(b),...

  2. 1

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

    for Science Support (JOSS) webpage. Corresponding Author Dave Turner, dturner@ssec.wisc.edu. References Baum, B. A., P. F. Soulen, K. I. Strabala, M. D. King, S. A. Ackerman,...

  3. 1

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

    Astrophys., 93:70-83. Kato, S., T. P. Ackerman, E. G. Dutton, N. S. Laulainen, and N. Larson. "A Comparison of Modeled and Measured Irradiances for a Molecular Atmosphere."...

  4. Barnard-JC.PDF

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

    Res., 102, 25,881-25,898. Kato, S., T. P. Ackerman, E. G. Dutton, N. Laulainen, and N. Larson, 1999: A comparison of modeled and measured surface shortwave irradiance for a...

  5. Sensitivity of Clear-Sky Diffuse Radiation to In Situ Aerosol...

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

    93, 70-83. Kato, S., T. P. Ackerman, E. G. Dutton, N. S. Laulainen, and N. Larson, 1997: A comparison of modeled and measured irradiances for a molecular atmosphere....

  6. Microsoft Word - Haeffelin-MP.doc

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

    Res., 102, 25,881-25,898. Kato S., T. P. Ackerman, E. G. Dutton, N. Laulainen, and N. Larson, 1999: A comparison of modeled and measured surface shortwave irradiance for a...

  7. Progress on an ARM/GCSS/SPARC TWP-ICE Monsoon Case Study

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

    Progress on an ARMGCSSSPARC TWP-ICE Monsoon Case Study Ann Fridlind and Andrew Ackerman ann.fridlind@nasa.gov * www.giss.nasa.govfridlind Introduction Source: Lori Chappel,...

  8. ARM - 2003 Science Team Meeting Pictures

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

    and Janet Inrieri discuss Dave and Tom's poster. ARM Chief Scientist Tom Ackerman, Dave Turner, and Janet Inrieri discuss Dave and Tom's poster. K.N. Liou and Andy Lacis discuss...

  9. Section 46

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

    Effects of Water Vapor Continuum Absorption on Tropical Atmosphere Destabilization J.H. Mather, T.P. Ackerman, and G.S. Young Department of Meteorology, The Pennsylvania State...

  10. Posters Atmospheric Emitted Radiance Interferometer Data Analysis...

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

    Analysis Methods R. O. Knuteson, W. L. Smith, S. A. Ackerman, H. E. Revercomb, H. ... project under the direction of William L. Smith of the University of Wisconsin-Madison. ...

  11. UCRL-MI-224010 ARM-06-012 ARM's Support for GCM Improvement:...

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

    DOE should invest in the "super-parameterization" modeling approach. Tom Ackerman, Bill Collins, Steve Ghan, Jean-Jacques Morcrette, and Hualu Pan are thanked for their input. 7...

  12. ARM - Publications: Science Team Meeting Documents

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

    Shortwave Cloud Radiative Forcing Using Ground-Based Broadband Radiometric Time-Series Cole, J.N.S.(a), Long, C.N.(b), and Ackerman, T.P.(b), The Pennsylvania State University...

  13. Research Highlight

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

    Understanding Ice Formation in Arctic Mixed-Phase Boundary-Layer Clouds During ISDAC Download a printable PDF Submitter: Ackerman, A., NASA - Goddard Institute for Space Studies Fridlind, A. M., NASA - Goddard Institute for Space Studies Area of Research: Cloud Distributions/Characterizations Working Group(s): Cloud-Aerosol-Precipitation Interactions Journal Reference: Avramov A, AS Ackerman, AM Fridlind, B van Diedenhoven, G Botta, K Aydin, J Verlinde, KV Alexei, W Strapp, GM McFarquhar, R

  14. Research Highlight

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

    Tropical Rain Clouds Still a Challenge to Cloud-Resolving Models Download a printable PDF Submitter: Fridlind, A. M., NASA - Goddard Institute for Space Studies Ackerman, A., NASA - Goddard Institute for Space Studies Area of Research: Cloud Distributions/Characterizations Working Group(s): Cloud Life Cycle, Cloud-Aerosol-Precipitation Interactions Journal Reference: Fridlind AM, AS Ackerman, J Chaboureau, J Fan, WW Grabowski, AA Hill, TR Jones, MM Khaiyer, G Liu, P Minnis, H Morrison, L Nguyen,

  15. Microsoft PowerPoint - ARM2008_norfolk.ppt

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

    Properties from CloudSat and ARM Observations at Manus Island Zheng Zheng Liu, Roger Liu, Roger Marchand Marchand , and Thomas Ackerman , and Thomas Ackerman University of Washington Sally McFarlane Sally McFarlane Pacific Northwest National Laboratory 2 Motivation * Radiative heating is important * Cloud vertical differential heating affects local convective dynamics * Horizontal differential heating helps to maintain large scale tropical dynamics * Challenge and solution * Radiative heating

  16. ARM - ARM Science Team Meetings

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

    govScienceARM Science Team Meetings Science Team Meetings 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 ARM Science Team Meetings Poster sessions were key components of the ARM Science Team Meetings through the years. Former ARM Chief Scientist Tom Ackerman (center, dark pants) spent many hours participating in these sessions. Poster sessions were key components of the ARM Science Team Meetings through the years. Former ARM Chief Scientist Tom Ackerman

  17. dong(2)-99.PDF

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

    X. Dong Analytical Services and Materials, Inc. Hampton, Virginia P. Minnis National Aeronautics and Space Administration Langley Research Center Hampton, Virginia G. G. Mace...

  18. Tax Credits, Rebates & Savings | Department of Energy

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

    Mountain Association for Community Economic Development- Energy Efficient Enterprise Loan Program The Mountain Association for Community Economic Development (MACED) offers loans...

  19. Mountain Association for Community Economic Development- Solar Water Heater Loan Program

    Office of Energy Efficiency and Renewable Energy (EERE)

    The Kentucky Solar Partnership (KSP) and the Mountain Association for Community Economic Development (MACED) partner to offer low interest loans for the installation of solar water heaters. Loans...

  20. Tax Credits, Rebates & Savings | Department of Energy

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

    Development (MACED) offers loans to small and mid-sized businesses, non-profits, schools and municipalities to improve energy efficiency through its... Eligibility:...

  1. Section 30

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

    every three hour soundings (Mace 1994). Surface observations were used for the ground level pressure, temperature, and water vapor concentration. The aerosol optical...

  2. ARM - Publications: Science Team Meeting Documents: The Merged...

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

    VAP: Current Status and Future Direction Troyan, David Brookhaven National Laboratory Miller, Mark Brookhaven National Laboratory Mace, Gerald University of Utah The...

  3. Tax Credits, Rebates & Savings | Department of Energy

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

    Financing Energy Efficiency Program Four rural utility cooperatives in Eastern Kentucky (Big Sandy RECC, Fleming-Mason RECC, Grayson RECC, and Jackson Energy) work with MACED to...

  4. Tax Credits, Rebates & Savings | Department of Energy

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

    in Eastern Kentucky (Big Sandy RECC, Fleming-Mason RECC, Grayson RECC, and Jackson Energy) work with MACED to provide energy retrofits as part of utility service......

  5. Mountain Association for Community Economic Development - How...

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

    in Eastern Kentucky (Big Sandy RECC, Fleming-Mason RECC, Grayson RECC, and Jackson Energy) work with MACED to provide energy retrofits as part of utility service under...

  6. Tax Credits, Rebates & Savings | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    Energy Efficient Enterprise Loan Program The Mountain Association for Community Economic Development (MACED) offers loans to small and mid-sized businesses, non-profits, schools...

  7. Slide 1

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

    System Strategy and Implementation: Custom Project Policies Matt Tidwell and Allie Mace March 25, 2014 Agenda Background and process for overhauling the custom project policies...

  8. Tax Credits, Rebates & Savings | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    (MACED) offers loans to small and mid-sized businesses, non-profits, schools and municipalities to improve energy efficiency through its... Eligibility: Commercial, Industrial,...

  9. Tax Credits, Rebates & Savings | Department of Energy

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

    (MACED) offers loans to small and mid-sized businesses, non-profits, schools and municipalities to improve energy efficiency through its... Eligibility: Commercial,...

  10. ARM - Science Questions

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

    Gerald Mace, Lead Scientist Science Questions Scatter plot of ice crystal number concentration from two different probes used during TWP-ICE. The differences are significant...

  11. Evaluation of cirrus statistics produced by general circulation...

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

    cirrus statistics produced by general circulation models using ARM data Hartsock, Daniel University of Utah Mace, Gerald University of Utah Benson, Sally University of Utah...

  12. Facility Disposition Safety Strategy RM

    Office of Environmental Management (EM)

    ... Transition Team TT General Guidance GG Hazard Characterization HC Turnover ... (TT-4.4) General RequirementsGuidance GG-0 Have an inventory of available documents ...

  13. User Group 2010 Business Meeting

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

    ... Suggestions for workshopssymposia gg p y p Suggestions for instruments... Workshop suggestions are a little more diverse - no recurring themes and all p gg g seem ...

  14. Simplified P N Equations Steven P. Hamilton, Thomas M. Evans

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

    ... + g (x) g (x, ) N g g 1 4 gg s (x, * ) g (x, ) d ... cross section for group g in cm -1 , gg s (x, * ) scattering cross ...

  15. Microsoft PowerPoint - UP 1_rrb pres_final.ppt [Read-Only] [Compatibil...

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

    ... and concentrated nitrate plume areas y gg PT for technetium-99, uranium, carbon tetrachloride, chromium (total) and concentrated g y gg technetium-99, uranium, carbon ...

  16. 2006 R&D Booklet 3

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    ... DR, Steinkraus, LD, Pasha, MS, Hardin, GG, Carr, PW. "Fast Gradient Elution Liquid ... DR, Steinkraus, LD, Pasha, MS, Hardin, GG "Fast Gradient Elution Reversed-Phase HPLC ...

  17. Research Highlight

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    K-Distribution Method for a SW Radiative Transfer Model Submitter: Ackerman, T. P., University of Washington Area of Research: General Circulation and Single Column Models/Parameterizations Working Group(s): Cloud Modeling Journal Reference: Kato, S., Ackerman, T.P., Mather, J.H., and Clothiaux, E.E., 1999: "The K-distribution Method and Correlated-k Approximation for a Shortwave Radiative Transfer Model," Journal of Quantitative Spectroscopy & Radiative Transfer, 62(1):109-121.

  18. Microsoft PowerPoint - 03_McFarlane_AWG.ppt [Compatibility Mode]

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    D t A l t Ni Ni Dust Aerosol at Niamey, Niger S. McFarlane, E. Kassianov, C. S. McFarlane, E. Kassianov, C. Flynn, D. Turner, T. Ackerman Flynn, D. Turner, T. Ackerman y y With contributions from J. Mather and J. Barnard With contributions from J. Mather and J. Barnard March 26, 2007 Aerosol Working Group AMF Deployment in Niamey Vertical distribution of radiative heating within atmosphere an important driver of atmospheric circulations ARM Mobile Facility (AMF) deployment in Niger, Niamey as

  19. Mountain Association for Community Economic Development- How$martKY On-Bill Financing Energy Efficiency Program

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    Four rural utility cooperatives in Eastern Kentucky (Big Sandy RECC, Fleming-Mason RECC, Grayson RECC, and Jackson Energy) work with MACED to provide energy retrofits as part of utility service...

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    The Mountain Association for Community Economic Development (MACED) offers loans to small and mid-sized businesses, non-profits, schools and municipalities to improve energy efficiency through its...

  1. Elliot Mainzer - A

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    - TC Aircraft Services Tina Ko, ACTING - TG Transmission Internal Operations E N E R G Y E F F I C I E N C Y Richard Gnec - PE Vice President Allison Mace, ACTING - PEH...

  2. ARM - Publications: Science Team Meeting Documents

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    Retrieval (MICROBASE): Status of SGP Version 1.2 and Prototype TWP Version Miller, M.A.(a), Johnson, K.L.(a), Jensen, M.P.(b), Mace, G.G.(c), Dong, X.(d), and...

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    The MERGEDSOUNDING VAP: A Status Report and Description Miller, M.A.(a), Troyan, D.T.(a), and Mace, G.G.(b), Brookhaven National Laboratory (a), University of Utah (b) The...

  4. ARM - Publications: Science Team Meeting Documents

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    Lagrangian Evolution of Cirrus Clouds Over the ARMCART Sites Soden, B.J.(a) and Mace, G.G.(b), NOAAGFDL (a), University of Utah (b) Thirteenth Atmospheric Radiation Measurement...

  5. ARM - Publications: Science Team Meeting Documents

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    The March 2000 Cloud Intensive Observing Period; The Evolution of the Synoptic-Scale Atmosphere and the Associated Cloud Radiative Forcing Mace, G.G.(a), Sonntag, K.L.(b), Kato,...

  6. The following are considered prohibited articles and are prohibited...

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    less of pepper or mace sprays carried for personal use are not prohibited at the SRS.) * stun guns (small device that generates an electric shock) * other items prohibited by law...

  7. ARM - Publications: Science Team Meeting Documents

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    March 9, 2000, Cirrus Cloud System: A 4D Illustration of Jet Stream Cirrus Observed by Scanning and Airborne Cloud Radar Mace, G.G.(a), Sonntag, K.(a), Benson-Troth, S.(a),...

  8. Energy Conservation Agreement

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    about the energy efficiency federal sector or to ask a question, please contact Allie Robbins Mace, Federal Sector Programs Lead at arrobbins@bpa.gov, or contact your Energy...

  9. A TWP-ICE High-Level Cloud Case Study

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    A TWP-ICE High-Level Cloud Case Study Mace, Gerald University of Utah Category: Field Campaigns The Tropical Warm Pool International Cloud Experiment (TWP ICE) was conducted near...

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    Sent: Thursday, September 09, 2010 3:46 PM To: 'David Streetman'; Peveler, Mace'; 'Gerald Turner Cc: Cupp,Todd A (BPA) - TELM-TPP-3; Dorman,John C - TELS-TPP-3; Flansburg,Jeffrey T...

  11. 1

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    for Partially Cloud-Filled Pixels L. Nguyen, P. Minnis, D. V. Young, and W. L. Smith Jr. ... Meteorol., 39, 645-665. Dong, X., P. Minnis, G. G. Mace, W. L. Smith Jr, M. Poellot, and ...

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    ... except the bare Coulomb interaction is replaced by the screened Coulomb interac- tion: W GG ' (q ; ) -1 GG ' (q ; )v(q + G ' ) where v is the bare Coulomb interaction. ...

  13. Microsoft Word - 2015-03-17_FINALRev0_SRNL-RP-2014-01198c

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    ... of material 1-m thick was considered which was divided into 40 radial segments gg . ... Figure D-41. Geometry of an axial segment in transient conduction model. gg A transient ...

  14. Unclassified Controlled Nuclear Information General Guideline...

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    ... accounts for standby mode and off mode energy consumption (42 U.S.C. 6295(gg)(2)(A)(B)). ... mode energy consumption. (42 U.S.C. 6295(gg)(2)(A)) This activity is on schedule for ...

  16. February 2009 Implementation Report: Energy Conservation Standards...

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    ... mode and off mode energy consumption by March 31, 2009 (42 U.S.C. 6295(gg)(2)(A)(B)). ... which includes standby mode and off mode energy consumption. (42 U.S.C. 6295(gg)(2)(A)). ...

  17. 2013 > Publications > Research > The Energy Materials Center...

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    Cations (Li+ and Mg2+) K Hernndez-Burgos, GG Rodrguez-Calero, W Zhou, SE Burkhardt, ... energy storage technologies S Conte, GG Rodrguez-Calero, SE Burkhardt, MA Lowe ...

  18. L)HM+H)/&D)$&'()$#&*+,%-./%&

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    "OFJJ"KI""L >??ZEZ???&L%& I.H+-&LI;Q'& &J.,+GG%++2%&C%,"-,&. ... I@"X@YK,+Z(B9".@"..L I.H+-&LI;Q'& &J.,+GG%++2%&C%,"-,&.& ...

  19. Computation supporting biodefense

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    ...t.ga.ta.gg.actgggtttta.a aacctgtgatggc.tc.aagaccct.gaggc.ATCCTCTCCTTTGCACGC CGTGGGACCAT.caggagaagttga..tccgtggcaggactcgc.gtcca ctc.ggacc.ga.ga.taccggcg.ctctttgagcc.tt.ca.gg.ctctt.g...

  20. Basis for UCNI | Department of Energy

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    UCNI General Guideline, GG-5, is a record of decisions made by the Director, OC, as to what general subject areas are UCNI. Note: GG-5 may only be used by the Director, OC, to make ...

  1. 2012-2013 CSTEC Seminars.pptx

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    Thursdays, 4:00 pm September 20 Dr. Wladek Walukiewicz (Location: GG Brown 2233) Lawrence ... January 24 Dr. Joshua M. O. Zide (Location: 1504 GG Brown Lab) University of Delaware ...

  2. L2:VRI.P2.02 John Turner ORNL

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    ... G g 0 4 d gg s (x, * ) g (x, ) + 1 k g 4 G g 0 4 ... total cross section for group g (cm -1 ) gg s scattering from group g to g through ...

  3. Carlsbad Field Office

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    ... Yes (CONTINUE TO ON-SITE PROCESS SYSTEM 1) gg No (SKIP TO SEC. 3) ON-SITE PROCESS SYSTEM ... 2013 for treatment, disposal, or recycling? gg Yes (CONTINUE TO ITEM B) 0 No (FORM IS ...

  4. Appendix SCR: Feature, Event, and Process Screening for PA

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    ... For example, the EPA stated in their Response to Comments, Section 8 , Issue GG (EPA ... Summary Memorandum of Record for GG-8 and RNT-26. 16 May 1996. SWCF-A 1.2.07.3: PA: QA: ...

  5. Basis for Section 3116 Determination for the Idaho Nuclear Technology...

    Office of Environmental Management (EM)

    ... Table 3 presents a conservative residual inventory at closure for the sandpads gg based on ... in 2012 (DOE-ID 2003b; Portage 2005a, 2005b, 2005c, 2005d, 2005e, 2005f, 2006a). gg. ...

  6. Hmelo, Bin Hu, Alamgir Karim, Martyn McLachlan, and Ron Jones...

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    ... Interactions with "nontraditional" users Interactions with "nontraditional" users Next-generation capabilities Suggestions for workshopssymposia gg p y p ...

  7. L3: RTM.MCH.P6.02 Technical Note RNSD-00-

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    ... @x + g (x) g (x, ) G X g 0 0 Z 4 gg 0 s (x, * 0 ) g 0 (x, 0 ) ... X g 0 ( g gg 0 gg 0 sn ) g 0 n q g n0 , n 0, 2, 4, . . . , N , (70) @ @x i h n 2n + 1 ...

  8. chang-98.pdf

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    7 Relationship Between TOA Albedo and Cloud Optical Depth as Deduced from Models and Collocated AVHRR and ERBE Satellite Observations F.-L. Chang and Z. Li Canada Centre for Remote Sensing Ottawa, Ontario, Canada S. A. Ackerman Department of Atmospheric and Oceanic Sciences University of Wisconsin-Madison Introduction It has long been recognized that clouds have a large influence on the earth's radiation budget and climate. Current cloud and radiation research programs, such as the Clouds and

  9. Working Group Reports

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    Working Group Reports Special Working Session on the Role of Buoy Observations in the Tropical Western Pacific Measurement Scheme J. Downing Marine Sciences Laboratory Sequim, Washington R. M. Reynolds Brookhaven National Laboratory Upton, New York Attending W. Clements (TWPPO) F. Barnes (TWPPO) T. Ackerman (TWP Site Scientist) M. Ivey (ARCS Manager) H. Church J. Curry J. del Corral B. DeRoos S. Kinne J. Mather J. Michalsky M. Miller P. Minnett B. Porch J. Sheaffer P. Webster M. Wesely K.

  10. Section 41

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    9 Figure 1. WSI cloud fraction for algorithm identified clear sky from April 1994 IOP. Detection of Clear Skies Using Total and Diffuse Shortwave Irradiance: Calculations of Shortwave Cloud Forcing and Clear Sky Diffuse Ratio C.N. Long and T.P. Ackerman Department of Meteorology Pennsylvania State University University Park, Pennsylvania The effect of clouds on the shortwave (SW) irradiance near the surface is of interest for surface radiative energy budget studies (Long et al. 1994) and

  11. Section 50

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    Data from the First Tropical Western Pacific Atmospheric Radiation and Cloud Station J. H. Mather and T. P. Ackerman Pennsylvania State University University Park, Pennsylvania W. E. Clements and F. J. Barnes Los Alamos National Laboratory Los Alamos, New Mexico M. D. Ivey Sandia National Laboratories Albuquerque, New Mexico L. D. Hatfield Pacific Northwest National Laboratory Richland, Washington R. M. Reynolds Brookhaven National Laboratory Upton, New York Introduction The first Atmospheric

  12. 1

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    Breakup of Stratus Cloud Structure Predicted from Non-Brownian Motion Liquid Water Fluctuations K. Ivanova Department of Meteorology Pennsylvania State University University Park, Pennsylvania and Institute of Electronics Bulgarian Academy Sciences Sofia, Bulgaria M. Ausloos SUPRAS and GRASP Institute of Physics Liege, Belgium E. E. Clothiaux and H. N. Shirer Department of Meteorology Pennsylvania State University University Park, Pennsylvania T. P. Ackerman Pacific Northwest National Laboratory

  13. A Radar-based Observing System for Validation of Cloud Resolving Models

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    Radar System Designed for Validation of Cloud Resolving Models Pavlos Kollias Atmospheric Science Division Brookhaven National Laboratory Cloud REsolving MOdel Radar (CREMORA) Scientific Justification Why do we need to know 3-D structure of cloud systems? Slide provided by Tom Ackerman -Evaluation of *Cloud System Resolving Models (one pathway to parameterization development and to climate models) *Satellite retrievals of cloud system properties -Lifecycle of convective systems - all phases of

  14. Research Highlight

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    Evaluation of CRM Intercomparison Simulations Using TWP-ICE Observations, Part 1 Download a printable PDF Submitter: Varble, A., University of Utah Area of Research: Cloud Distributions/Characterizations Working Group(s): Cloud Life Cycle Journal Reference: Varble AC, AM Fridlind, EJ Zipser, AS Ackerman, J Chaboureau, J Fan, A Hill, SA McFarlane, J Pinty, and B Shipway. 2011. "Evaluation of cloud-resolving model intercomparison simulations using TWP-ICE observations: Precipitation and cloud

  15. Research Highlight

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    Modeling from a Tropical State of Mind Download a printable PDF Submitter: Del Genio, A. D., National Aeronautics and Space Administration Area of Research: Cloud Processes Working Group(s): Cloud Life Cycle Journal Reference: Mrowiec AA, C Rio, AM Fridlind, AS Ackerman, AD Del Genio, OM Pauluis, AC Varble, and J Fan. 2012. "Analysis of cloud-resolving simulations of a tropical mesoscale convective system observed during TWP-ICE: Vertical fluxes and draft properties in convective and

  16. Research Highlight

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    Finding the Causes for Consistently Low Biased Stratiform Rainfall in Models Submitter: Varble, A., University of Utah Zipser, E., University of Utah Area of Research: Cloud Processes Working Group(s): Cloud Life Cycle Journal Reference: Varble A, EJ Zipser, AM Fridlind, P Zhu, AS Ackerman, J Chaboureau, J Fan, A Hill, B Shipway, and C Williams. 2014. "Evaluation of cloud-resolving and limited area model simulations using TWP-ICE observations. 2. Precipitation microphysics." Journal of

  17. Research Highlight

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    KDP Columns: Characterizing Deep Thunderstorm Updrafts Using Polarimetric Radar Download a printable PDF Submitter: van Lier-Walqui, M., NASA Fridlind, A. M., NASA - Goddard Institute for Space Studies Area of Research: Cloud-Aerosol-Precipitation Interactions Working Group(s): Cloud-Aerosol-Precipitation Interactions Journal Reference: van Lier-Walqui M, AM Fridlind, AS Ackerman, S Collis, J Helmus, DR MacGorman, K North, P Kollias, and DJ Posselt. 2015. "On polarimetric radar signatures

  18. ARM - Publications: Science Team Meeting Documents

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

    Evidence of High Ice Supersaturation in Cirrus Clouds Using ARM Raman Lidar Measurements Comstock, J.M., Ackerman, T.P., and Turner, D.D., Pacific Northwest National Laboratory Fourteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting Water vapor amounts in the upper troposphere are crucial to understanding the radiative feedback of cirrus clouds on the Earth’s climate. We use a unique, year-long dataset of water vapor mixing ratio inferred from ground-based Raman lidar

  19. ARM - Publications: Science Team Meeting Documents

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

    Factors Controlling the Formation and Evolution of Subtropical Cumulonimbus Anvils During CRYSTAL-FACE Fridlind, A.M., Ackerman, A.S., and Jensen, E.J., NASA Ames Research Center Fourteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting Cumulonimbus systems have been hypothesized to play an important role in global climate sensitivity and their impact on moisture levels in the tropical tropopause layer may also modulate stratospheric water vapor concentrations. But the properties

  20. ARM - Publications: Science Team Meeting Documents: An Assessment of

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

    Multi-angle Imaging SpectroRadiometer (MISR) Stereo-derived Cloud Top Heights Using Cloud Optical Depths Derived from ARM Data An Assessment of Multi-angle Imaging SpectroRadiometer (MISR) Stereo-derived Cloud Top Heights Using Cloud Optical Depths Derived from ARM Data Marchand, Roger Pacific Northwest National Laboratory Ackerman, Thomas DOE/Pacific Northwest National Laboratory Clouds are of tremendous importance to climate because of their direct radiative effects and because of their

  1. ARM - Publications: Science Team Meeting Documents

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    Irradiance Using Remotely Sensed Cloud Properties From ARM's SGP Site Barker, H.W., Atmospheric Environment Service of Canada; Li, Z., Canada Centre for Remote Sensing; Clothiaux, E.E., and Ackerman, T.P., The Pennsylvania State University; Kato, S., National Aeronautics and Space Administration-Langley Research Center Ninth Atmospheric Radiation Measurement (ARM) Science Team Meeting Time series of profiles of cloud water content and droplet effective radii have been inferred from data obtained

  2. ARM - Publications: Science Team Meeting Documents

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

    The Radiative Properties of Uniform and Broken Stratus: An Observational and Modelling Study Utilizing the Independent Column Approximation for Solar Radiative Transfer Clothiaux, E.E., The Pennsylvania State University; Barker, H.W., Atmospheric Environment Service of Canada; Kato, S., Hampton University; Dong, X., Analytical Service and Materials, Inc. Ackerman, T.P., The Pennsylvania State University; Liljegren, J.C., Ames Laboratory Ninth Atmospheric Radiation Measurement (ARM) Science Team

  3. ARM - Publications: Science Team Meeting Documents

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

    A Comparison of Surface- and Satellite-Derived Cloud Fractions for the ARM SGP Long, C. N., and Ackerman, T. P., The Pennsylvania State University; Minnis, P., and Smith, W. L., National Aeronautics Space Administration-Langley Research Center Ninth Atmospheric Radiation Measurement (ARM) Science Team Meeting Determinations of cloud fractions are essential for radiative energy balance studies. Only satellites afford the global coverage needed to extend these studies to global climate research.

  4. ARM - Publications: Science Team Meeting Documents

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

    Characterizing the Quality of Microwave Radiometer Measurements and Retrievals Using Time Series Analyses Ivanova, K. (a), Clothiaux, E.E. (a), Shirer, H.N. (a), Ackerman, T.P. (b), Liljegren, J.C. (c), and Ausloos, M. (d), The Pennsylvania State University (a), Pacific Northwest National Laboratory (b), Argonne National Laboratiry (c), University of Liege, Liege, Belgium (d) Eleventh Atmospheric Radiation Measurement (ARM) Science Team Meeting Time series of microwave radiometer brightness

  5. ARM - Publications: Science Team Meeting Documents

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

    The Role of Cloud Scale Resolution on Radiative Properties of Oceanic Low-Level Clouds Kassianov, E.I.(a), Ackerman, T.P.(a), and Kollias P.(b), Pacific Northwest National Laboratory (a), University of Miami (b) Twelfth Atmospheric Radiation Measurement (ARM) Science Team Meeting Millimeter radars have been commonly used to examine the spatial/temporal evolution of clouds. To asses the impact of the cloud scale resolution on the solar radiative transfer, two sets of radiative experiments were

  6. ARM - Publications: Science Team Meeting Documents

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

    An Assessment of MWR Retrievals of Liquid Water Path Using Clear-sky Data Marchand, R.T. and Ackerman, T.P., Pacific Northwest National Laboratory Twelfth Atmospheric Radiation Measurement (ARM) Science Team Meeting The ARM radiometers make measurements at two frequencies. These two measurements are used to infer two quantities, the total column vapor and liquid water. Both microwave emission frequencies respond to both the liquid and vapor, but one channel is more sensitive to vapor (23.8 GHz)

  7. ARM - Publications: Science Team Meeting Documents

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

    Lidar Remote Sensing of Cirrus Clouds at the Southern Great Plains Site: Comparisons of Extinction and Backscatter Coefficients Derived Using Raman and Backscatter Lidar Technique Comstock, J.M.(a), Fu, Q.(b), Turner, D.D.(c), and Ackerman, T.P.(a), Pacific Northwest National Laboratory (a), Department of Atmospheric Sciences, University of Washington (b), University of Wisconsin/Pacific Northwest National Laboratory(c) Twelfth Atmospheric Radiation Measurement (ARM) Science Team Meeting

  8. ARM - Publications: Science Team Meeting Documents

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

    Climatology of Stratus Clouds at the SGP: A Radiation Based Study Sengupta, M.(a), Ackerman, T.P.(a), and Clothiaux, E.E.(b), Pacific Northwest National Laboratory (a), The Pennsylvania State University (b) Twelfth Atmospheric Radiation Measurement (ARM) Science Team Meeting The Atmospheric Radiation Measurement (ARM) program is a source of continuous data that can be used for various short-term climatological studies. Using multiple datasets from ARM for the Southern Great Plains (SGP) Central

  9. ARM - Publications: Science Team Meeting Documents

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

    Comparison of Observed and Modelled Liquid Water Path for Stratus and Stratocumulus Clouds at the SGP Sengupta,M.(a), Ackerman,T.P.(a), and Clothiaux,E.E.(b), Pacific Northwest National Laboratory (a), The Pennsylvania State University (b) Thirteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting Accurate representation of observations in models is a integral part of improving model accuracy. With the availability of long-term data sets from ARM it is possible to statistical

  10. ARM - Publications: Science Team Meeting Documents

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

    The Impact of Cumulus Cloud Field Anisotropy on Broadband Shortwave Radiative Fluxes and Atmospheric Heating Rates Hinkelman, L.M.(a), Evans, K.F.(b), Clothiaux, E.E.(a), and Ackerman, T.P.(c), The Pennsylvania State University (a), University of Colorado (b), Pacific Northwest National Laboratory (c) Thirteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting The effect of fair-weather cumulus cloud field anisotropy on domain average surface fluxes and atmospheric heating profiles

  11. Microsoft Word - ARESE&.21

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

    4 ARESE (ARm Enhanced Shortwave Experiment) SCIENCE PLAN Version 2.1 FPJ Velero P Minnis SE Schwartz TP Ackerman RD Cess TP Tooman V Ramanathan June 1995 Revised July 1995 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,

  12. hagan-98.pdf

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

    Aerobot-based Measurements of the Profile of Downwelling Shortwave Irradiance D. Hagan, J.-F. Blavier, and D. Crisp Jet Propulsion Laboratory California Institute of Technology Pasadena, California L. Di Girolamo University of Chicago Chicago, Illinois T. P. Ackerman The Pennsylvania State University College Park, Pennsylvania Summary Using a helium plus reversible fluid balloon system as the observing platform, multiple profiles of shortwave irradi- ance between 4 km and 10 km were recently

  13. hinkelman-99.PDF

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

    Shortwave Radiative Processes and Cloud Prediction in the Eta Forecast Model L. M. Hinkelman, T. P. Ackerman, and R. T. Marchand Department of Meteorology The Pennsylvania State University University Park, Pennsylvania Introduction In an earlier work (Hinkelman et al. 1999), time series of surface flux predictions from the National Centers for Environmental Prediction (NCEP) Eta forecast model were evaluated by comparison to measured values from the Atmospheric Radiation Measurement (ARM)

  14. jensen-99.PDF

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

    Impacts of Anvil Outflow During the Maritime Continent Thunderstorm Experiment M. P. Jensen and T. P. Ackerman Department of Meteorology Pennsylvania State University University Park, Pennsylvania S. M. Sekelsky Department of Electrical Engineering University of Massachusetts Amherst, Massachusetts Introduction The Maritime Continent Thunderstorm Experiment (MCTEX) took place from November 13 to December 10, 1995, on the Tiwi Islands, Australia (Figure 1). The primary objective of the field

  15. mather-99.PDF

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

    Cloud Properties Derived from the Manus Micropulse Lidar with ECMWF Analyses J. H. Mather and T. P. Ackerman Department of Meteorology The Pennsylvania State University University Park, Pennsylvania Introduction Clouds in the tropics are an ever-present feature and their vertical and temporal distributions are very complex. The Tropical Western Pacific (TWP) is characterized by warm sea surface temperatures and frequent convection. This convection occurs on a wide range of scales, from hundreds

  16. pavloski-99.PDF

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

    High Speed Cloud Optical Depth Retrievals from a Narrow Field of View, Narrowband, Shortwave, Zenith Pointing Radiometer C. F. Pavloski The Pennsylvania State University Department of Meteorology University Park, Pennsylvania T. P. Ackerman Pacific Northwest National Laboratory Richland, Washington Introduction The Atmospheric Radiation Measurement (ARM) Program has recently deployed a new, shortwave, Narrow Field of View (NFOV) Zenith radiometer at the Southern Great Plains (SGP) facility. The

  17. sekelsky-99.PDF

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

    Radar Calibration Validation for the SGP CART Summer 1998 DC-8 Cloud Radar Experiment S. M. Sekelsky, L. Li, and G. A. Sadowy University of Massachusetts Amherst, Massachusetts S. L. Durden, S. J. Dindardo, and F. K. Li National Aeronautics and Space Administration Jet Propulsion Laboratory Pasadena, California A. C. Huffman III and G. L. Stephens Colorado State University Fort Collins, Colorado H. W. Rosenberger, D. M. Babb, and T. P. Ackerman The Pennsylvania State University University Park,

  18. Comparison of Cloud Top Height and Optical Depth Histograms from ISCCP,

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

    MISR, and MODIS Comparison of Cloud Top Height and Optical Depth Histograms from ISCCP, MISR, and MODIS Marchand, Roger Pacific Northwest National Laboratory Ackerman, Thomas Pacific Northwest National Laboratory Category: Cloud Properties Joint histograms of Cloud Top Height (CTH) and Optical Depth (OD) derived by the International Satellite Cloud Climatology Project (ISCCP) are being widely used by the climate modeling community in evaluating global climate models. Similar joint histograms

  19. Four-Dimensional Data Assimilation S. Kinne and R. Bergstrom

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

    Kinne and R. Bergstrom NASA-Ames Research Center Moffett Field. CA 94035-1000 T. Ackerman Pennsylvania State University University Park, PA 16802 Abstract Radiation measurements at the surface and simultaneous ground-based measurements of the atmosphere during the FIRE'91 (a) cirrus field experiment provided an opportunity to identify essential measurements and deficiencies in parameterizations of current cloud-radiation models. Comparisons between measured and calculated broadband surface

  20. ARM - VAP Process - sfccldgrid

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

    Productssfccldgrid Documentation & Plots Technical Report Data Management Facility Plots (Quick Looks) ARM Data Discovery Browse Data Comments? We would love to hear from you! Send us a note below or call us at 1-888-ARM-DATA. Send VAP : Surface Cloud Grid (SFCCLDGRID) Instrument Categories Cloud Properties, Derived Quantities and Models The Surface Cloud Grid VAP uses as input the 15-minute output from the Shortwave Flux Analysis VAP (Long, 2001; Long and Ackerman, 2000; Long et al., 1999)

  1. ARM - VAP Process - swfluxanal

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

    Productsswfluxanal Documentation & Plots Technical Report Data Management Facility Plots (Quick Looks) ARM Data Discovery Browse Data Comments? We would love to hear from you! Send us a note below or call us at 1-888-ARM-DATA. Send VAP : Shortwave Flux Analysis (SWFLUXANAL) Instrument Categories Cloud Properties, Radiometric The SW (shortwave) Flux Analysis VAP applies a clear-sky detection and fitting technique (Long and Ackerman 2000) to data from broadband SW radiometers located at the

  2. Cumulus Geometry from Satellite and Surface Data at the ARM TWP Site

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

    Cumulus Geometry from Satellite and Surface Data at the ARM TWP Site E. I. Kassianov, T. P. Ackerman, and R. T. Marchand Pacific Northwest National Laboratory Richland, Washington Introduction The multi-angle imaging spectrometer (MISR), a sensor on board the earth observing system (EOS) Terra satellite platform, observes reflected radiation in nine directions with high resolution (~0.275 km). The overall mission of the MISR is to provide continuous, global multi-angle measurements of the

  3. Equations Governing Space-Time Variability of Liquid Water Path in Stratus Clouds

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

    Equations Governing Space-Time Variability of Liquid Water Path in Stratus Clouds K. Ivanova Pennsylvania State University University Park, Pennsylvania T. P. Ackerman Pacific Northwest National Laboratory Richland, Washington M. Ausloos University of Liège B-4000 Liège, Belgium Abstract We present a method on how to derive an underlying mathematical (statistical or model free) equation for a liquid water path (LWP) signal directly from empirical data. The evolution of the probability density

  4. ARM - Global Warming

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

    Warming Outreach Home Room News Publications Traditional Knowledge Kiosks Barrow, Alaska Tropical Western Pacific Site Tours Contacts Students Study Hall About ARM Global Warming FAQ Just for Fun Meet our Friends Cool Sites Teachers Teachers' Toolbox Lesson Plans Global Warming Click on one of the links below to learn more about global warming! But first, take a look at this presentation given by former Atmospheric Radiation Measurement (ARM) Program Chief Scientist Tom Ackerman to a group of

  5. Local Correlations and Multi-Fractal Behaviour in Marine Boundary Layer Cloud Dynamics

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

    Local Correlations and Multi-Fractal Behaviour in Marine Boundary Layer Cloud Dynamics N. Kitova and M. A. Mikhalev Institute of Electronics Bulgarian Academy of Sciences Sofia 1784, Bulgaria K. Ivanova Department of Meteorology Pennsylvania State University University Park, Pennsylvania M. Ausloos Institute of Physics University of Liège Liège, Belgium T. P. Ackerman Pacific Northwest National Laboratory Richland, Washington Introduction The marine boundary layer (MBL) cloud dynamics is

  6. Microsoft Word - fridland_a.doc

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

    Field Measurements and Numerical Simulations to Constrain Mechanisms of Ice Formation During the Mixed-Phase Arctic Cloud Experiment Intensive Operational Period A. Fridlind and A. Ackerman National Aeronautics and Space Administration - Goddard Institute for Space Studies New York, New York Introduction Mechanisms of ice formation in supercooled clouds that are too warm to allow the homogeneous nucleation of water remain poorly constrained by measurements (e.g., Cotton and Field 2002). Ice mass

  7. Microsoft Word - kassianov_3_-ei.doc

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

    Brightness Fields in Statistically Inhomogeneous Clouds E. I. Kassianov, T. P. Ackerman, R. T. Marchand, and M. Ovtchinnikov Pacific Northwest National Laboratory Richland, Washington Introduction The angular structure of reflected and transmitted radiation provides important information needed for remote sensing of a cloudy atmosphere. The model angular distributions of radiation can be obtained by direct numeric simulation of three-dimensional (3D) clouds and radiation (numerical averaging),

  8. Microsoft Word - long-cn.doc

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

    Next Generation Flux Analysis: Adding Clear-Sky LW and LW Cloud Effects, Cloud Optical Depths, and Improved Sky Cover Estimates C. N. Long Pacific Northwest National Laboratory Richland, Washington Introduction The original Shortwave Flux Analysis (SWFA), based on Long and Ackerman (2000) and Long et al. (1999), deals only with daylight shortwave (SW) data. The SWFA algorithm produces continuous estimates of clear-sky downwelling diffuse, direct, and total SW; estimated fractional sky cover; and

  9. MISR-Derived Statistics of Cumulus Geometry at TWP Site

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

    MISR-Derived Statistics of Cumulus Geometry at TWP Site E. I. Kassianov, T. P. Ackerman, and R. T. Marchand Pacific Northwest National Laboratory Richland, Washington Introduction The multi-angle imaging spectro radiometer (MISR), recently launched on the National Aeronautics and Space Administration (NASA) Terra platform, provides high-resolution measurements of reflectance at nine different viewing angles. Multi-angle satellite observations have been successfully used to derive the cloud

  10. Microsoft PowerPoint - Marchand_ARM_STM_2008_Poster_Classification_II.ppt

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

    States A Comparison of Simulated Hydrometeor Occurrence Profiles from t A Comparison of Simulated Hydrometeor Occurrence Profiles from the he Multiscale Multiscale Modeling Modeling Framework (MMF) with ARM observations as a Function of the Large Framework (MMF) with ARM observations as a Function of the Large- -Scale Atmospheric State Scale Atmospheric State Roger Marchand and Thomas Ackerman (University of Washington/JISAO), Nathaniel Beagley (Pacific Northwest National Laboratory) Comparison

  11. POLICY GUIDANCE MEMORANDUM #16 OPM Managers' Satisfaction Survey |

    Energy Savers [EERE]

    Department of Energy 6 OPM Managers' Satisfaction Survey POLICY GUIDANCE MEMORANDUM #16 OPM Managers' Satisfaction Survey This memorandum provides guidance on how to implement the requirement for hiring managers to complete the OPM Managers' Satisfaction Survey before Servicing Human Resources Offices (SHROs) can make an official offer to any job selectee. PDF icon POLICY GUIDANCE MEMORANDUM #16 OPM Managers' Satisfaction Survey Responsible Contacts Jennifer Ackerman Director, Human Capital

  12. EPA Redesigns Conversion Certification Policies

    Alternative Fuels and Advanced Vehicles Data Center [Office of Energy Efficiency and Renewable Energy (EERE)]

    EPA Redesigns Conversion Certification Policies At a recent meeting held in Washington, DC, officials from the U.S. Environmental Protection Agency (EPA) opened dialogue about proposed changes to its emission certification policies that affect alternative fuel vehicles (AFVs). "We are trying to accommo- date the Energy Policy Act (EPAct) and Executive Order requirements while trying to change enforce- ment policies and guidance with respect to conversions," said Rich Ackerman of EPA's

  13. ARM - Publications: Science Team Meeting Documents

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

    Heating Rate Profile (BBHRP) VAP Mlawer, E.J.(a), Shippert, T.R.(b), Long, C.N.(b), Miller, M.A.(c), Johnson, K.L.(c), Troyan, D.T.(c), Mace, G.G.(d), Clough, S.A.(a), Zhang,...

  14. ARM - Publications: Science Team Meeting Documents

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

    Using ARM Data - Development of a Case Study Data Set Starr, D.(a), Demoz, B.(b), Wang, Y.(c), Lin, R.-F.(d), Lare, A.(e), Mace, G.(f), Poellot, M.(g), Sassen, K.(h), and...

  15. Search for a light fermiophobic Higgs boson produced via gluon fusion at hadron colliders

    SciTech Connect (OSTI)

    Arhrib, Abdesslam; Benbrik, Rachid; Guedes, R. B.; Santos, R.

    2008-10-01

    In this study, we propose new Higgs production mechanisms with multiphoton final states in the fermiophobic limit of the two Higgs doublet model. The processes are: gg{yields}hh, gg{yields}Hh followed by H{yields}hh and gg{yields}Ah followed by A{yields}hZ. In the fermiophobic limit, gg{yields}hh and gg{yields}Ah{yields}hhZ would give rise to 4{gamma} signature while gg{yields}Hh{yields}hhh can give a 6{gamma} final state. We show that both the Fermilab Tevatron and CERN's Large Hadron Collider can probe a substantial slice of the parameter space in this fermiophobic scenario of the two Higgs doublet model. If observed the above processes can give some information on the triple Higgs couplings involved.

  16. Turquoise International Ltd | Open Energy Information

    Open Energy Info (EERE)

    London, Greater London, United Kingdom Zip: EC4V 4GG Product: London-based corporate finance advisory and asset management company focusing on energy and the environment....

  17. Photo: US ITER

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

    IN; Central Solenoid structure tie plate prototype * Pfeiffer Vacuum, Nashua, NH; Roughing Pump * Inficon, Inc., E. Syracuse, NY; Vacuum leak detectors * G&G Steel,...

  18. Carbon Dioxide Enhanced Oil Recovery Untapped Domestic Energy...

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

    ... Denbury Resources (http:www.denbury.com) Enhanced Oil Recovery Institute (http:eori.gg.uwyo.edu) 26 Untapped Domestic Energy Supply and Long Term ...

  19. Rapidity gap survival in central exclusive diffraction: Dynamical...

    Office of Scientific and Technical Information (OSTI)

    At LHC energies absorptive interactions of hard spectator partons associated with the gg -> H process reach the black-disk regime and cause substantial additional suppression, ...

  20. DISCLAIMER : UNCONTROLLED WHEN PRINTED - PLEASE CHECK THE STATUS...

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

    IODGCOOTEDHCD Document Security: Internal Use RO: Henderson Mark Read Access LG: EC, GG: IO DDGs (and Senior Advisors), AD: ITER, AD: External Collaborators, AD: IODirector- ...

  1. CMaranas.ppt

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

    Experimental data Model Prediction GGGG Growth (G) Growth No Growth No Growth (NG) ... Fix NGG add rxns GG Fix GNG suppress rxns NGNG Resolution of inconsistent experiments... ...

  2. 2014 > Publications > Research > The Energy Materials Center...

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

    ... Theoretical Studies of Carbonyl-Based Organic Molecules for Energy Storage Applications: The Heteroatom and Substituent Effect K Hernndez-Burgos, SE Burkhardt, GG ...

  3. Impact of Primary Gleason Grade on Risk Stratification for Gleason Score 7 Prostate Cancers

    SciTech Connect (OSTI)

    Koontz, Bridget F.; Tsivian, Matvey; Mouraviev, Vladimir; Sun, Leon; Vujaskovic, Zeljko; Moul, Judd; Lee, W. Robert

    2012-01-01

    Purpose: To evaluate the primary Gleason grade (GG) in Gleason score (GS) 7 prostate cancers for risk of non-organ-confined disease with the goal of optimizing radiotherapy treatment option counseling. Methods: One thousand three hundred thirty-three patients with pathologic GS7 were identified in the Duke Prostate Center research database. Clinical factors including age, race, clinical stage, prostate-specific antigen at diagnosis, and pathologic stage were obtained. Data were stratified by prostate-specific antigen and clinical stage at diagnosis into adapted D'Amico risk groups. Univariate and multivariate analyses were performed evaluating for association of primary GG with pathologic outcome. Results: Nine hundred seventy-nine patients had primary GG3 and 354 had GG4. On univariate analyses, GG4 was associated with an increased risk of non-organ-confined disease. On multivariate analysis, GG4 was independently associated with seminal vesicle invasion (SVI) but not extracapsular extension. Patients with otherwise low-risk disease and primary GG3 had a very low risk of SVI (4%). Conclusions: Primary GG4 in GS7 cancers is associated with increased risk of SVI compared with primary GG3. Otherwise low-risk patients with GS 3+4 have a very low risk of SVI and may be candidates for prostate-only radiotherapy modalities.

  4. Microsoft PowerPoint - Horst Simon.BitstoBuidings2

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

    ... on metrics http:www.thegreengrid.orgggcontent Energy Star Program http:... From Peter Kogge, DARPA gg , Exascale Study ... and the power costs will still be ...

  5. Transport coefficients of gluonic fluid

    SciTech Connect (OSTI)

    Das, Santosh K.; Alam, Jan-e

    2011-06-01

    The shear ({eta}) and bulk ({zeta}) viscous coefficients have been evaluated for a gluonic fluid. The elastic, gg{yields}gg and the inelastic, number nonconserving, gg{yields}ggg processes have been considered as the dominant perturbative processes in evaluating the viscous coefficients to entropy density (s) ratios. Recently the processes: gg{yields}ggg has been revisited and a correction to the widely used Gunion-Bertsch (GB) formula has been obtained. The {eta} and {zeta} have been evaluated for gluonic fluid with the formula recently derived. At large {alpha}{sub s} the value of {eta}/s approaches its lower bound, {approx}1/4{pi}.

  6. arm_2008_KI_TPA.cdr

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

    d t t t ) d=1 D 1 D 2 D D 1 2 D D 1 2 D D 1 2 D 2 =200s 1 =600s 2 Comstock, J.M., T.P. Ackerman, and D.D. Turner (2004), Evidence of high ice supersaturation in cirrus clouds using ARM Raman lidar measurements, Geophys. Res. Lett., 31, L11106 doi:10.1029/2004GL019705. Heymsfield, A.J., and L. M. Miloshevich (1995), Relative humidity and temperature influences on cirrus formation and evolution: Observations from wave clouds and FIRE II, J. Atmos. Sci., 52, 4302-4326. Ivanova, K., H.N. Shirer,

  7. Research Highlight

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

    Observations of Microphysical Properties of Single Layer Stratocumulus During the Mixed-Phase Arctic Cloud Experiment Submitter: McFarquhar, G., University of Illinois, Urbana Area of Research: Cloud Distributions/Characterizations Working Group(s): Cloud Properties Journal Reference: Fridlind, A.M., A.S. Ackerman, G.M. McFarquhar, G. Zhang, M.R. Poellot, P.J. DeMott, A.J. Prenni and A.J. Heymsfield, 2007: Ice properties of single-layer stratocumulus during the Mixed-Phase Arctic Cloud

  8. ARM - Publications: Science Team Meeting Documents

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

    A Comparison of High Spectral Resolution Infrared Cloud Boundary Algorithms using S-HIS and AERI Measurements Holz, R.E.(a), Antonelli, P.(a), Ackerman, S.(a), McGill, M.J.(a), Nagel, F.(a), Feltz, W.F.(a), and Turner, D.D.(b), Univeristy of Wisconsin, Madison (a), Pacific Northwest National Laboratory (b) Fourteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting Cloud top pressure is an important parameter in determining the radiative impact of clouds on climate. In addition,

  9. ARM - Publications: Science Team Meeting Documents

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

    A Three-Year Cloud Climatology for the Southern Great Plains Site Marchand, R.T. (a), Ackerman, T.P. (a), and Clothiaux, E.E. (b), Pacific Northwest National Laboratory (a), Pennsylvania State University (b) Eleventh Atmospheric Radiation Measurement (ARM) Science Team Meeting In 1999 we presented a poster on radar-derived macrophyscial cloud statistics for the ARM SGP site for the two years 1997 and 1998. This year we extend those results with additional data from 1999. In addition to previous

  10. mather-98.pdf

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

    3 Analyses of Measurements for the First Year of Operation of the Tropical Western Pacific Atmospheric Radiation and Cloud Station J. H. Mather and T. P. Ackerman Department of Meteorology The Pennsylvania State University University Park, Pennsylvania Introduction The first Tropical Western Pacific Atmospheric Radiation and Cloud Station (TWP ARCS) has been operating since October 1996. The TWP ARCS is located on the island of Los Negros, Manus Province, Papua New Guinea, at 2.06°S, 147.42°E.

  11. poster.dvi

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

    POSTER #8C * ANVIL PROPERTIES OF MONSOONAL AND BREAK DEEP CONVECTION DURING TWP-ICE Ann Fridlind and Andrew Ackerman * ann.fridlind@nasa.gov * NASA Goddard Institute for Space Studies, 2880 Broadway, New York, NY 10025 INTRODUCTION We aim to simulate four casees of deep convection observed during the TWP-ICE IOP with a cloud-resolving model (CRM) that includes size-resolved aerosol, liquid, and ice particle types. We begin here with liquid-phase bulk micro- physics [Wyant et al., 1997]. Monsoon

  12. Bench-Scale Cross Flow Filtration of

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

    5 The Status of the ACRF Millimeter Wave Cloud Radars (MMCRs), the Path Forward for Future MMCR Upgrades, the Concept of 3D Volume Imaging Radar and the UAV Radar P. Kollias, M. Miller Brookhaven National Laboratory K. Widener, R. Marchand, T. Ackerman Pacific Northwest National Laboratory December 2005 Work supported by the U.S. Department of Energy, Office of Science, Office of Biological and Environmental Research DISCLAIMER This report was prepared as an account of work sponsored by the U.S.

  13. From: Tyner, Wallace E. To: LNGStudy Subject: 2012 LNG Export Study

    Office of Environmental Management (EM)

    Tyner, Wallace E. To: LNGStudy Subject: 2012 LNG Export Study Date: Monday, January 14, 2013 11:25:34 AM Attachments: Comparison of Analysis of Natural Gas Export Impacts w exec sum Jan rev.pdf Comments attached. Wallace E. Tyner James and Lois Ackerman Professor Department of Agricultural Economics Purdue University 403 West State Street West Lafayette, IN 47907-2056 765-494-0199 fax 765-494-9176 http://www.agecon.purdue.edu By Docket Room at 11:26 am, Jan 14, 2013 Comparison of Analysis of

  14. Revised Manuscript

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

    ... ee 21 1 320 10 1 - ; 1 20.945 20 41 10000 g gg 130 1 4 21.50 42 10180 g hh r < 45 T 0 21.66 43 10700 g,ff r gg 488 20 730 10 1 - ; 1 22.150 10 44 11490 g ...

  15. Implementation Report: Energy Conservation Standards Activities

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    ... and off mode energy consumption by March 31, 2009 (42 U.S.C. 6295(gg)(2)(A) and (B)(ii)). ... mode and off mode energy consumption by December 31, 2008. (42 U.S.C. 6295(gg)(2)(A)). ...

  16. VERA-CS Validation Plan

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

    ... GWdMT were removed from one assembly (NJ13GG) and shipped to Oak Ridge National ... 2.453 14.06 31.40 43 106-NBD107-GG 22.70 37.27 106-NBD107-Q 163.89 46.46 ...

  17. Historical emissions of black and organic carbon aerosol from energy-related combustion, 1850-2000 - article no. GB2018

    SciTech Connect (OSTI)

    Bond, T.C.; Bhardwaj, E.; Dong, R.; Jogani, R.; Jung, S.K.; Roden, C.; Streets, D.G.; Trautmann, N.M.

    2007-05-15

    We present an emission inventory of primary black carbon (BC) and primary organic carbon (OC) aerosols from fossil fuel and biofuel combustion between 1850 and 2000. We reconstruct fossil fuel consumption and represent changes in technology on a national and sectoral basis. Our estimates rely on new estimates of biofuel consumption, and updated emission factors for old technologies. Emissions of black carbon increase almost linearly, totaling about 1000 Gg in 1850, 2200 Gg in 1900, 3000 Gg in 1950, and 4400 Gg in 2000. Primary organic carbon shows a similar pattern, with emissions of 4100 Gg, 5800 Gg, 6700 Gg, and 8700 Gg in 1850, 1900, 1950, and 2000, respectively. Biofuel is responsible for over half of BC emission until about 1890, and dominates energy-related primary OC emission throughout the entire period. Coal contributes the greatest fraction of BC emission between 1880 and 1975, and is overtaken by emissions from biofuel around 1975, and by diesel engines around 1990. Previous work suggests a rapid rise in BC emissions between 1950 and 2000. This work supports a more gradual increase between 1950 and 2000, similar to the increase between 1850 and 1925; implementation of clean technology is a primary reason.

  18. 1.TIF

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

    ... M IN oa gg 3 (pawynapi wawwoo ou) 270 (no comment identified) xxxxxxx,xxx,x"axxx"a,xrvx... ppe pe 'a6eaoje aaen pus V OTa e iado a? 4 gg46m 0 ' a W?4 n ;O pdq o ;Veld . ;a doaes. ...

  19. 2011-2012 Working Groups

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

    K yle R enshaw ( Forrest) February 6 2:30pm GG Brown 2315 Brian R oberts ( Ku) a nd S haohui Z heng ( Dunietz) February 2 0 2:30pm GG Brown 2315 Hossein H ashemi ( Kieffer) a nd X ...

  20. Revised Manuscript

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

    ... 1.6 0.1 0.2 4.12 2.3 0.5 6.48 gg 3 + ; 0 0 13 2 74 21 meV nn ... from 0.4 to 3.0%. gg Upper limits for transitions to other states range from 1 to 4%. ...

  1. High Level Waste Management Division High-Level Waste System...

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

    ... 558,687 Feb-99 1,023,300 573,104 Mar-gg 1,037,742 650,000 587,521 Apr-99 138,442 ... 2F E:prnts RHLWEI ITPII OthJ es* 1 Oct-gg 18,710 38,610 35,800 27,000 203,000 0 0 ...

  2. Revised Manuscript

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

    ... 21.50 10180 h ii r < 45 T 0 21.66 10700 h,gg r hh 488 20 730 10 1 - ; 1 22.150 ... T 1: see (1983SN03). ff Resonant in p 2 . gg 12.9 mb at peak of GDR (1978OC01). hh ...

  3. Spin-on-doping for output power improvement of silicon nanowire array based thermoelectric power generators

    SciTech Connect (OSTI)

    Xu, B. Fobelets, K.

    2014-06-07

    The output power of a silicon nanowire array (NWA)-bulk thermoelectric power generator (TEG) with Cu contacts is improved by spin-on-doping (SOD). The Si NWAs used in this work are fabricated via metal assisted chemical etching (MACE) of 0.010.02 ? cm resistivity n- and p-type bulk, converting ~4% of the bulk thickness into NWs. The MACE process is adapted to ensure crystalline NWs. Current-voltage and Seebeck voltage-temperature measurements show that while SOD mainly influences the contact resistance in bulk, it influences both contact resistance and power factor in NWA-bulk based TEGs. According to our experiments, using Si NWAs in combination with SOD increases the output power by an order of 3 under the same heating power due to an increased power factor, decreased thermal conductivity of the NWA and reduced Si-Cu contact resistance.

  4. U.S. Department of Energy National Nuclear Security Administration

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

    National Nuclear Security Administration Nevada Field Office Nevada National Security Site (NNSS) Prohibited Items (per policy dated December 15, 2014) The following items/personnel are prohibited within the boundaries of the Nevada National Security Site: * NON-DRIVING PERSONNEL (team drivers acceptable in delivery vehicles) * PETS (police canine and service animals acceptable) * CHEMICAL IRRITANTS (including mace and pepper spray in excess of two [2] fluid ounces) * AMMUNITION, EXPLOSIVES

  5. 1

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

    Retrieval of Cloud Ice Water Content and Effective Radius Using ARM Cloud Radar Reflectivity and Doppler Velocity R. Marchand, J. Comstock, and S. McFarlane Pacific Northwest National Laboratory Richland, Washington Introduction Mace et al. (2002) and Matrosov et al. (2002) have published retrieval algorithms for cirrus microphysics (i.e., ice water content and particle size) based only on radar observed reflectivity (Z) and Doppler velocity (V). These ZV retrievals are attractive in that they

  6. Research Highlight

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

    The Vertical Structure of Cloud Radiative Forcing at the ACRF SGP Revealed by 8 Years of Continuous Measurements Submitter: Mace, G., University of Utah Area of Research: Cloud Distributions/Characterizations Working Group(s): Cloud Modeling, Cloud Properties Journal Reference: Accepted to Journal of Climate, 2007. Figure 1. Cloud occurrence, coverage, radiative forcing, and radiation effects over a composite annual cycle that is derived by averaging all observations collected during a

  7. ARM - Publications: Science Team Meeting Documents: Cirrus properties and

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

    air mean vertical motion retrieval using mm-wavelength Doppler radar moments Cirrus properties and air mean vertical motion retrieval using mm-wavelength Doppler radar moments Deng, Min University of Utah Mace, Gerald University of Utah Vertically pointing millimeter wavelength Doppler radar provides valuable information on upper tropospheric cloud properties and dynamics. We are developing an innovative algorithm to simultaneously retrieve cirrus microphysical parameters and air mean

  8. ARM - Publications: Science Team Meeting Documents: Cloud Radiative Forcing

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

    at the ARM Climate Research Facility: Part 2. The Vertical Redistribution of Radiant Energy by Clouds. Cloud Radiative Forcing at the ARM Climate Research Facility: Part 2. The Vertical Redistribution of Radiant Energy by Clouds. Mace, Gerald University of Utah Benson, Sally University of Utah Kato, Seiji Hampton University/NASA Langley Research Center Documentation with data of the effects of clouds on the radiant energy balance of the surface and atmosphere represent a critical shortcoming

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

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

    Cloud Fractions and Surface Radiation Fields with Those from the Ground-based Remote Sensing at SGP 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

  10. ARM - Publications: Science Team Meeting Documents: On the Association of

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

    Tropical Cirrus in the 10-15 km Layer with Deep Convective Source Regions; an Observational Study Combining Millimeter Radar Data and Satellite-Derived Trajectories On the Association of Tropical Cirrus in the 10-15 km Layer with Deep Convective Source Regions; an Observational Study Combining Millimeter Radar Data and Satellite-Derived Trajectories Mace, Gerald University of Utah Deng, Min University of Utah Soden, Brian UM/RSMAS Zipser, Edward University of Utah In this paper, MMCR

  11. Observed Regimes of Mid-Latitude.and Tropical Cirrus Microphysical Behavior

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

    Observed Regimes of Mid-Latitude and Tropical Cirrus Microphysical Behavior A. D. Del Genio and A. B. Wolf National Aeronautics Space Administration Goddard Institute for Space Studies New York, New York G. G. Mace University of Utah Salt Lake City, Utah L. M. Miloshevich National Center for Atmospheric Research Boulder, Colorado Introduction Little is known about the climatological microphysical properties of cirrus clouds. Thus, general circulation model (GCM) cirrus parameterizations often

  12. ARM - Publications: Science Team Meeting Documents

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

    Cirrus Cloud and Upper Tropospheric Turbulence Properties Derived from MMCR Doppler Moments Mace, G. G., University of Utah Ninth Atmospheric Radiation Measurement (ARM) Science Team Meeting We are developing an algorithm that uses the radar reflectivity, Doppler velocity and Doppler spectral width observed in cirrus cloud layers to derive the microphysical properties of the cloud and information regarding the mean vertical air motion and turbulence. This approach assumes that the cirrus

  13. ARM - Publications: Science Team Meeting Documents

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

    Using ARM Radar Data to Parameterize the Moments of Cirrus Cloud Properties in Terms of Cloud Layer Thickness and Temperature Vernon, E.N.(a) and Mace, G.G.(b), University of Utah (a), University of Utah (b) Twelfth Atmospheric Radiation Measurement (ARM) Science Team Meeting Improving the reperesentation of cirrus clouds in large-scale models has been identified as a way to reduce the uncertainty associated with climate change simulations in these models. Representing cirrus clouds in

  14. ARM - Publications: Science Team Meeting Documents

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

    The Comparison Between MOD06 Cloud Products and the ARM SGP Zhang, Y.(a) and Mace, G.G.(b), University of Utah (a), University of Utah (b) Thirteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting Clouds, especially cirrus clouds, are critical for us to better understand the characterization of radiative processes in the atmosphere which is widely recognized as a major source of uncertainty in the earth's climate. The MODIS instrument on board the flagship satellite, TERRA, of the

  15. ARM - Publications: Science Team Meeting Documents

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

    A Comparison of the Characteristics of Cirrus from Doppler Radar Measurements at the ARM Sites and the CRYSTAL Field Experiment Laribee-Dowd, K. (a), Mace, G. G. (a), and Marchand, R.T. (b), University of Utah (a) Pacific Northwest National Laboratory (b) Thirteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting By studying the statistics of Doppler velocities in cirrus clouds, the characteristics of cirrus formed through recent injection of ice into the uppertroposphere by deep

  16. ARM - Publications: Science Team Meeting Documents

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

    The Properties of Cirrus over the Western Tropical Pacific as a Function of Their Assocaition with Deep Convective Outflows Deng, M.(a), Mace, G.G.(a), and Soden, B.J.(b), University of Utah (a), Geophysical Fluid Dynamics Laboratory (b) Thirteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting The microphysical and radiative properties of upper tropospheric clouds in the tropics are known to have a substantial influence on climate. Observations from long term cloud radar

  17. ARM - Publications: Science Team Meeting Documents

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

    The Properties of Clouds in the Tropical Western Pacific as Observed by Radar in Objectively Defined Cloudiness Regimes Dowd, K.(a), Mace, G.G.(a), and Jakob, C.(b), University of Utah (a), Bureau of Meteorology Centre (b) Understanding how cloud properties vary systematically in different dynamical situations can aid in development of new and validations of existing cloud parameterizations in GCMs. This study expands on a clustering technique that used ISCCP data to define the cloud regimes in

  18. ARM - Publications: Science Team Meeting Documents

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

    The Association of the Cirrus Properties Over the Western Tropical Pacific with Tropical Deep Convection Deng, M.(a), Mace, G.G.(a), and Soden, B.J.(b), Univesity of Utah (a), Geophysical Fluid Dynamics Laboratory (b) The microphysical and radiative properties of upper tropospheric clouds in the tropics are known to have a substantial influence on climate. Observations from long term cloud radar measurements in the tropics show that upper tropospheric clouds are observed above 10 km as much as

  19. Solar PV Incentive Programs | Department of Energy

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    PV Incentive Programs Solar PV Incentive Programs This presentation summarizes the information discussed by NYSERDA during the Best Practices in the Design of Utility Solar Programs Webinar on September 27, 2012. PDF icon utility_design_nyserda_mace.pdf More Documents & Publications Best Practices in the Design of Utility Solar Programs NYSERDA's CHP Program Guide, 2010 NYSERDA's RPS Customer Sited Tier Fuel Cell Program

  20. lazarus-98.pdf

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

    3 A Cloud Climatology of the ARM CART Site S. M. Lazarus, S. K. Krueger, and G. G. Mace University of Utah Salt Lake City, Utah Introduction The Atmospheric Radiation and Measurement (ARM) Pro- gram (Stokes and Schwartz 1994) Southern Great Plains (SGP) Cloud and Radiation Testbed (CART) is host to a bevy of radiometric and cloud observing instruments dedi- cated to assisting ARM in reaching its objective to develop and improve cloud and radiative parameterizations for use in general circulation

  1. ARM - Small Particles In Cirrus (SPARTICUS)

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

    Related Links SPARTICUS Home AAF Home Deployment Operations Measurements SGP Data Plots NASA Data Plots ARM Data Discovery Browse Data Experiment Planning SPARTICUS Proposal Abstract Science Questions Science and Operations (PDF, 1.01M) SPARTICUS Wiki News News & Press Backgrounder (PDF, 269K) Contacts Gerald Mace, Lead Scientist Small Particles In Cirrus (SPARTICUS) As in most mid-latitude locales, cirrus clouds like these often appear over the SGP site from fall to spring. As in most

  2. Interactive Uses of the NSDL: .Atmospheric Visualization Collection

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

    Interactive Uses of the NSDL: Atmospheric Visualization Collection C. M. Klaus, E. N. Vernon, T. McCollum, T. R. Gobble, H. M. Anthony, and D. Johnson Argonne National Laboratory Argonne, Illinois K. Andrew Eastern Illinois University Charleston, Illinois G. G. Mace University of Utah Salt Lake City, Utah C. P. Bahrmann University of Oklahoma Norman, Oklahoma User Interfaces The National Science Digital Library (NSDL) has three user interfaces for accessing data images. 1. The Geophysical Focus

  3. Interpretation of AIRS Data in Thin Cirrus Atmospheres Based on a Fast

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

    Radiative Transfer Model and ARM Data Interpretation of AIRS Data in Thin Cirrus Atmospheres Based on a Fast Radiative Transfer Model and ARM Data Yue, Qing Dept. of Atomspheric & Oceanic Sciences, UCLA Liou, Kuo-Nan UCLA Ou, Szu-cheng University of California, Los Angeles Kahn, Brian Jet Propulsion Laboratory Yang, Ping Texas A&M Mace, Gerald University of Utah Category: Radiation A thin cirrus cloud thermal infrared radiative transfer model has been developed to interpret AIRS

  4. Solar PV Incentive Programs

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    Development Authority Solar PV Incentive Programs Presentation at NREL Webinar on September 27, 2012 Frank Mace, Dana Levy "Advancing innovative energy solutions in ways that improve New York's economy and environment" A public benefit corporation established in 1975 to help New York State meet its energy goals: - Reducing energy consumption - Promoting the use of renewable energy sources - Protecting the environment What is NYSERDA? 2 of 14 Research & Development: - New &

  5. ARM - Measurements

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

    Measurements Related Links SPARTICUS Home AAF Home Deployment Operations Measurements SGP Data Plots NASA Data Plots ARM Data Discovery Browse Data Experiment Planning SPARTICUS Proposal Abstract Science Questions Science and Operations (PDF, 1.01M) SPARTICUS Wiki News News & Press Backgrounder (PDF, 269K) Contacts Gerald Mace, Lead Scientist Measurements The SPARTICUS field campaign seeks to collect a substantial series of data sets-profiling cirrus ice crystal size and distribution-during

  6. ARM - News & Press

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

    News & Press Related Links SPARTICUS Home AAF Home Deployment Operations Measurements SGP Data Plots NASA Data Plots ARM Data Discovery Browse Data Experiment Planning SPARTICUS Proposal Abstract Science Questions Science and Operations (PDF, 1.01M) SPARTICUS Wiki News News & Press Backgrounder (PDF, 269K) Contacts Gerald Mace, Lead Scientist News & Press Features Cirrus Clouds Hold Clues to Climate January 6, 2010 Happy New (fiscal) Year! Cloud Droplet Probe Arrives in Time for

  7. Kato-S

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

    Doppler Radar and Microwave Radiometer Derived Stratus Cloud Particle Size Distributions S. Kato Center for Atmospheric Sciences Hampton University Hampton, Virginia G. G. Mace Department of Meteorology University of Utah Salt Lake City, Utah E. E. Clothiaux Department of Meteorology The Pennsylvania State University University Park, Pennsylvania J. C. Liljegren Argonne National Laboratory Argonne, Illinois Introduction Some earlier studies demonstrate that the size distribution of stratus cloud

  8. Creative Financing Approaches for Residential Energy Efficiency Programs

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    Exchange: Creative Financing Approaches for Residential Energy Efficiency Programs Call Slides and Discussion Summary June 25, 2015 Agenda  Call Logistics and Introductions  Residential Network and Peer Exchange Call Overview  Participant Poll  Featured Presenters  Chris Woolery, Residential Energy Specialist, How$martKY(tm), Mountain Association for Community Economic Development (MACED) (Residential Network member)  Heather Braithwaite, Senior Associate, and Jeremy Epstein,

  9. Microsoft Word - huang.doc

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

    Multilayered Cloud Retrieval Over ARM SGP J.-P. Huang, Y.-H. Yi, and M. M. Khaiyer AS&M Inc. Hampton, Virginia P. Minnis and B. Lin National Aeronatic Space Administration Langley Research Center Hampton, Viriginia R. F. Arduini SAIC Hampton, Virginia G. G. Mace Department of Meteorology University of Utah Salt Lake City, Utah Introduction Ice water path (IWP) determination is often complicated because of cloud overlap. Current satellite IWP retrievals are usually based on the assumption

  10. MS_07_Number_14.pdf

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

    Mergedsounding VAP: Recent Enhancements David Troyan 1 , Michael Jensen 1 , David Turner 2 , Mark Miller 1 , Jennifer Delamere 3 , Eli Mlawer 3 , Gerald Mace 4 Author Affiliations 1: 2: 3: 4: Mergedsounding Primer What is Mergedsounding? Mergedsounding provides a continuous thermodynamic profile of the lower atmosphere. It uses data from ARM sources (sondes, surface instruments) and ECMWF model output. Why do we need this product? Radiosondes are launched infequently, and yet the need for a high

  11. MS_08_15.pdf

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

    and Changes to the Merged Sounding VAP David Troyan and Mike Jensen, BNL Jim Mather and Sally McFarlane, PNNL Eli Mlawer and Jennifer Delamere, AER, Inc. Mark Miller, Rutger University Dave Turner, University of Wisconsin Jay Mace, University of Utah Merged Sounding Data Availability SGP: NSA: TWP Manus: TWP Nauru: TWP Darwin: 2000 - 2005 2004 - 2007 2006 2004 - 2006 2002 - 2006 Two versions of Merged Sounding exist. The original version is continuing to be run for all permanent sites; the

  12. Microsoft PowerPoint - 6_Zhao_ice crystals.ppt

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

    Bimodal Particle Distribution Assumption in Cirrus: Comparison of retrieval results with in situ measurements Yang Zhao, Jay Mace Contributions from Min Deng, Jennifer Comstock Motivation * Particle spectra collected in situ consistently demonstrate bimodality with a small particle mode dominating the number concentration and extinction. * Evidence for bimodality must be present in remote sensing measurements - if it exists at all (Mcfarquhar et al, 2007). Particle Size Distribution Assumption *

  13. Microsoft PowerPoint - ARM_Trepte.ppt [Compatibility Mode]

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

    Results y from CALIPSO CALIPSO Chip Trepte Chip Trepte NASA Langley Research Center 1 with help from: M. Vaughan, A. Omar, B. Hunt, K. Powell, B. Pierce, O. Torres, K. McCann, R. Hoff, M. Pitts, S. Ackermann, R. Holz,,, C. Hostetler, Z. Liu, R. Ferrare, J. Mace, and D. Winker CALIPSO Mission Overview First polarization lidar in space Joint NASA-CNES collaboration Proposed: 1998 Objectives: Improved understanding of aerosol and cloud effects on radiation budget Improved understanding of

  14. Defect level characterization of silicon nanowire arrays: Towards novel experimental paradigms

    SciTech Connect (OSTI)

    Carapezzi, Stefania; Castaldini, Antonio; Cavallini, Anna

    2014-02-21

    The huge amount of knowledge, and infrastructures, brought by silicon (Si) technology, make Si Nanowires (NWs) an ideal choice for nano-electronic Si-based devices. This, in turn, challenges the scientific research to adapt the technical and theoretical paradigms, at the base of established experimental techniques, in order to probe the properties of these systems. Metal-assisted wet-Chemical Etching (MaCE) [1, 2] is a promising fast, easy and cheap method to grow high aspect-ratio aligned Si NWs. Further, contrary to other fabrication methods, this method avoids the possible detrimental effects related to Au diffusion into NWs. We investigated the bandgap level diagram of MaCE Si NW arrays, phosphorous-doped, by means of Deep Level Transient Spectroscopy. The presence of both shallow and deep levels has been detected. The results have been examined in the light of the specificity of the MaCE growth. The study of the electronic levels in Si NWs is, of course, of capital importance in view of the integration of Si NW arrays as active layers in actual devices.

  15. Closed-form decomposition of one-loop massive amplitudes

    SciTech Connect (OSTI)

    Britto, Ruth; Feng Bo; Mastrolia, Pierpaolo

    2008-07-15

    We present formulas for the coefficients of 2-, 3-, 4-, and 5-point master integrals for one-loop massive amplitudes. The coefficients are derived from unitarity cuts in D dimensions. The input parameters can be read off from any unitarity-cut integrand, as assembled from tree-level expressions, after simple algebraic manipulations. The formulas presented here are suitable for analytical as well as numerical evaluation. Their validity is confirmed in two known cases of helicity amplitudes contributing to gg{yields}gg and gg{yields}gH, where the masses of the Higgs and the fermion circulating in the loop are kept as free parameters.

  16. Shear Viscosity in a Gluon Gas

    SciTech Connect (OSTI)

    Xu Zhe; Greiner, Carsten

    2008-05-02

    The relation of the shear viscosity coefficient to the recently introduced transport rate is derived within relativistic kinetic theory. We calculate the shear viscosity over entropy ratio {eta}/s for a gluon gas, which involves elastic gg{yields}gg perturbative QCD (PQCD) scatterings as well as inelastic gg{r_reversible}ggg PQCD bremsstrahlung. For {alpha}{sub s}=0.3 we find {eta}/s=0.13 and for {alpha}{sub s}=0.6, {eta}/s=0.076. The small {eta}/s values, which suggest strongly coupled systems, are due to the gluon bremsstrahlung incorporated.

  17. W{sup {+-}H{+-}} production and CP asymmetry at the LHC

    SciTech Connect (OSTI)

    Dao, Thi Nhung; Hollik, Wolfgang; Le, Duc Ninh

    2011-04-01

    The dominant contributions to W{sup {+-}H{+-}} production at the LHC are the tree-level bb annihilation and the gg fusion. We perform for the case of the complex minimal supersymmetric standard model (MSSM) a complete calculation of the next-to-leading order (NLO) electroweak corrections to the bb annihilation channel and a consistent combination with other contributions including the standard and supersymmetric-QCD (SUSY-QCD) corrections and the gg fusion, with resummation of the leading radiative corrections to the bottom-Higgs couplings and the neutral Higgs boson propagators. We observe a large CP-violating asymmetry, arising mainly from the gg channel.

  18. CMR Fuel Cells Ltd | Open Energy Information

    Open Energy Info (EERE)

    CMR Fuel Cells Ltd Jump to: navigation, search Name: CMR Fuel Cells Ltd Place: Cambridge, England, United Kingdom Zip: CB2 5GG Product: Cambridge-based firm developing fuel cell...

  19. All Other Editions are Obsolete U.S. DEPARTMENT ...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    Interests andor OGE-450 - Financial Disclosure Report 9. PROPERTY OFFICE R-006 GTN GG-087 FORS (6-5201) Accountable Property Turned in or Transferred 10. DOE HQ HUMAN ...

  20. 0000050258 00000 n

    Office of Environmental Management (EM)

    ... Section 300.430(f)(2). The Proposed Plan shall be considered as equivalent to the Draft Permit Modification. GG. Quality Assured Data shall mean data that have undergone the ...

  1. Photovoltaic Degradation Rates -- An Analytical Review: Preprint

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

    ... Proceedings of the 23rd IEEE PV Specialists Conference, Louisville, KY, USA, 1993; 1289-1291. DOI: 10.1109PVSC.1993.346934. 32. Atmaram GH, Ventre GG, Maytrott CW, Dunlop JP, ...

  2. All Other Editions are Obsolete U.S. DEPARTMENT OF ENERGY HEADQUARTERS...

    Energy Savers [EERE]

    Interests andor OGE-450 - Financial Disclosure Report 9. PROPERTY OFFICE R-006 GTN GG-087 FORS (6-5201) Accountable Property Turned in or Transferred 10. DOE HQ HUMAN ...

  3. Microsoft PowerPoint - 1002+CrayTools-NERSC.pptx

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

    ... are based on data from: 43.37% 99659 bytes -T mlwxyz 16.09% 17615 bytes -T half gg p homecrayadmldrmhd3drunmhd3d.Oapa.x+4125-401sdt.ap2, homecrayadmldrmhd3d...

  4. DOE-RL-92-36, Hanford Site Hoisting and Rigging Manual

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

    ... of the forklift or reduce the operator's control of the load. (NOTE; administrative controls may be addressed in a job hazard analysis, procedure or in the work packagerecord) gg. ...

  5. Retail Infrastructure Costs Comparison for Hydrogen and Electricity...

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

    ... CLOMB-2 Stewart 2010 Coulomb Shrp ePump PIA 2012 Shorepower, multi-head SCHDR-Evlnk PIA 2013 Schneider Electric EVlink Outdoor model GG-JB PIA 2012 Green Garage Assoc. Juice Bar. ...

  6. Meeting and Presentation Materials

    Office of Environmental Management (EM)

    ... Engineer (509) 373-1109 22 Any Questions? y Q 23 Hoisting and Rigging Equipment g gg g q p 24 Hoisting and Rigging Equipment (continued) (continued) 25 26 27 1969 1991-2003 ...

  7. Appendix MASS: Performance Assessment Modeling Assumptions

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

    ... Vaughn, P., M. Lord, J. Garner, and R. MacKinnon. 1995. Memorandum to D.R. Anderson (Subject: FEP Screening Issue GG-1). 10 October 1995. ERMS 230791. Albuquerque, NM: Sandia ...

  8. PROCEEDINGS OF THE SOLAR 99 CONFERENCE

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    ... David Renne provided expert reviews. 247 CSR Annual1-Axis Concentrator, Oriented N-S Watt Hours per Sq Meter per Day alOO- 3000 II gg8&i 5)00- 6000 .0000*. 7000 Fig. 3 - ...

  9. CAMD Cleanroom Chemical List

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

    Shipley 351 Concentrate Solution *Shipley MF 321, 322 (ion free) *Shipley MF CD series (ion free) SU8 Developer GG(Pmma Developer) RD-6 (MSDS) Solvents Acids (requires training for ...

  10. Image

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

    ... Act (RCRA), 42 U.S.C. 6901 to 6992k, and 40 CFR Part 271 and Part 272 Subpart GG, the State of New Mexico, through the Secretary, is authorized to administer and enforce ...

  11. Part 1

    Office of Environmental Management (EM)

    Act (RCRA), 42 U.S.C. 6901 to 6992k, and 40 CFR Part 271 and Part 272 Subpart GG, the State of New Mexico, through the Secretary, is authorized to administer and enforce ...

  12. 1

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    ... Sr., RL Walko, GE Liston, CJ Tremback, H Jiang, RL McAnelly, JY Harrington, ME Nicholls, GG Carri, and JP Mc Fadden. 2003. "RAMS 2001: Current Status and future directions." ...

  13. Israel: A Source of Innovation for GE |GE Global Research

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    ... "There are more Israeli companies on the tech-oriented NASDAQ than Germany, France, Italy, Spain, Switzerland and India combined" ...wow...superwow...gg A photo of Oded Meirav. ...

  14. U.S. Department of Energy Smart Grid R&D Peer Review Brookhaven...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    Breakfast Moderator - 0HUULOO 6PLWK, DOE 8:30 am - 9:00 am Networked Microgrids (GG 7ULQNOHLQ Michigan Technological University 9:00 am - 9:30 am GWAC Transactive Energy ...

  15. CASL-U-2015-0159-000 The Implementation

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

    ... 1 ' 1 G g fg g G g gur gul rg g gg g u x y z g u eff g g J J h k (7) CASL-U-2015-0159-000 Ang Zhu et al. ...

  16. NEUTRINO-NUCLEUS NEUTRAL CURRENT ELASTIC INTERACTIONS MEASUREMENT

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

    ... From the EM interaction term we identify the coupling constant as the electric charge: e g sin W gg g 2 + g 2 . 2.7 Incorporating Quarks In principle, the quark sector is ...

  17. West Valley Demonstration Project Administrative Consent Order...

    Office of Environmental Management (EM)

    ... Facility Contingency Plan: EPA Standard Operating Safety Guide (1984); OSHA regulations particularly in 29 C.F.R. gg 1910 and 1926: State, local, and other federal agency (e.g., ...

  18. Solution Package Scope Definition

    Office of Environmental Management (EM)

    Two hundred and ninety-two (292) are in the Governor's Goal (GG). A revision to this report may be required if the scope of the remediation activities change sufficiently. Count of ...

  19. ORAU/ORISE Bibliography of 2007 Publications

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

    ... Prepared for the U.S. Department of Energy Office of Health, Safety and Security, Office of Illness and Injury Prevention Programs. ORISE-07-OEWH-1210-GG. September 2007. 7 CER. ...

  20. 1.TIF

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    ... Stabilization and Disposal Alternative Number of Primary d a Secondary Workers(aT Percent ofWigh e- -line Employmenj gg Percent of Low Year Baseline Employment(b) 1987 288 0.4 0.5 ...

  1. Microsoft Word - djawotho_abstract

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

    Pibero Djawotho Texas A&M University Abstract: For polarized protons colliding at RHIC energies, the production of jets and hadrons is dominated by gg and qg scattering, making the ...

  2. Helicity amplitudes of di-photons production at the LHC with scalar unparticles intermediate states

    SciTech Connect (OSTI)

    Aliane, I.; Mebarki, N.; Haouchine, M.

    2012-06-27

    The helecity amplitudes of the subprocess gg{yields}{gamma}{gamma} via scalar unparticles intermediate states are calculated. The differential cross section is compared to that of the standard model. Phenomenological implications are also discussed.

  3. 2011-2012Seminars.pptx

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

    :00pm* Winter 2012 location - 1504 GG Brown Lab* *Exception April 4 - talk will be in Chrysler Center's Chesebrough Auditorium at 1:30pm August 11 Dr. Antonio Marti - Instituto de ...

  4. CLASIC OUTLINE

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

    ... 58 (3), 320-330, doi:10.1111j.1600-0870.2006.00181.x. gg, E.K., 1986: Discrepancy between observation and prediction of concentrations of cloud condensation nuclei, Atmos. ...

  5. Microsoft PowerPoint - June_30_2010_Workers'_Compensation_Presentation...

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

    ... To substantiate the medical opinion. closure and the current condition. 9 9. APPEALS PROCESS APPEALS PROCESS APPEALS PROCESS AppealsOverview AppealsOverview A gg i d t h th ight t ...

  6. 2015 > Publications > Research > The Energy Materials Center...

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

    Rapid and Efficient Redox Processes within 2D Covalent Organic Framework Thin Films CR DeBlase, K Hernndez-Burgos, KE Silberstein, GG Rodrguez-Calero, RP Bisbey, HD Abrua, ...

  7. SUSANA MTINEZ Goveror JOH A. SANCHZ Lieutenant...

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

    Act (RCRA), 42 U.S.c. 6901 to 6992k, and 40 CFR Part 271 and Part 272 Subpart GG, the State of New Mexico, through the Secretary, is authorized to administer and enforce ...

  8. Combinatorial Multilevel Mold Insert Using Micromachining and...

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

    ... Initial dose studies covered a bottom dose range from 2500 to 4000 Jcm 3 . Development of the exposed structures in GG developer completed the fabrication of the plating template ...

  9. Microsoft PowerPoint - Clark_2014_CNMS Staff Science Highlight...

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

    Oak Ridge National Laboratory by the Office of Basic Energy Sciences, U.S. Department of Energy. The work (GG) was partially supported by the ORNL-UTK Joint Institute of Advanced

  10. LANSCE | Lujan Center | Publications

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    ... Journal article, High Impact 17 NPDF 36 2009 GG Yapici, CN Tome, IJ Beyerlein, I Karaman, SC Vogel, C Liu, Plastic flow anisotropy of pure zirconium after severe plastic ...

  11. ABSTRACTS FOR PAPERS PUBLISHED

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

    ... A671, 567 (2000) We study high mass dilepton production from gluon- induced processes, gq q * , g q q * , and gg q q * , in a thermally equilibrated but chemically ...

  12. Global warming commitment concept and its application for relative evaluation of greenhouse gas current and future radiative forcing

    SciTech Connect (OSTI)

    Karol, I.L.; Frolkis, V.A.; Kiselev, A.A.

    1996-12-31

    The Global Warming Commitment (GWC) of gas X relative to standard gas A for time period T is proposed, as determined by the formula GWC{sub X}{sup T} = {integral}RF{sub X}(t)dt/{integral}RF{sub A}(t)dt both integrals between limits 0 and T, where RF{sub X}(t) = {Delta}F{sub X}(t) is the Radiative Forcing (RF) of gas X (the net total radiation flux change at the tropopause level caused by the gas X content variation during the 0 to t time period). The well known Global Warming Potential (GWP) is determined by the same formula, where {Delta}F{sub x}(t) is due to instantaneous releases into the atmosphere of the same definite mass (1 kg) of gas X and of standard gas A. In GWC the actual measured or modeled gas contents evolutions are used for estimation of gas X relative input into the current and future greenhouse warming. GWC of principal Greenhouse Gases (GG) are calculated and analyzed for the time period before 1990, based on observed GG content evolution. For periods from now to 2050 the modeled global GG content projections from radiative photochemical atmospheric model are used for several of IPCC-94 scenarios of GG anthropogenic emissions up to 2050. The GWC of CH{sub 4}, N{sub 2}O and CFCs with CO{sub 2} as standard GG are 2--4 times lower, and they are much more accurately reflecting the reality in the above periods than the widely used RFs of these GG relative to GG of CO{sub 2}, when the GG content evolutions during the time period T is not considered.

  13. CASL-U-2015-0158-000

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

    ... 1 1 (1 ) 4 m m m G g g g m m m tg g pg dg d gg g g g m m m gT gB z S v t x y h ... G g n g gg n dg pg n m g n g tg n m g m n m g m S t v h t v y x ...

  14. Title FREEDOM OF INFORMATION ACT REQUEST (FOT

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

    ... 3c - 40 woM 4- 0) LI 0i 4W. U .- 0 o .)(-' gg -bI- C) .0 vC cc >0 Aau- C 4-1. 0 0 n cvJ ... Cu > d > .OE -00G a) M 4- toWa . c S- m +1GG)L o 4-) (2 0 00 4- I -M 4al ch -) 1 S- ...

  15. This content has been downloaded from IOPscience. Please scroll...

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

    ... L F r r m n r r r m n n m n g m n m n rG r r gF r rG g mn Gg m n n gG F m n d d d d 1 2 ( ) ( ) 1 d d d ( ) d 2 2 ( ) , 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 (10) ...

  16. CASL Milestone L3.RTM.SUP.P8.02

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

    ... 1 1 (1 ) 4 m m m G g g g m m m tg g pg dg d gg g g g m m m gT gB z S v t x y h h ... G g n g gg n dg pg n m g n g tg n m g m n m g m R S t v h t v y x p m y ...

  17. CED

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

    ... &17;&16;&19;&18;&21;&20;&23;&22;&25;&24; "B&16;&19;&18; &%&24;0t )&'G1gg&@&24;HG I &16;&19;&18;@9TiG&17;VlWP&18;"PY aIbI3&18;'cXAC ... 3&16;&19;4cb%4&16;&17;0gg%v"4&16;e&21;)&19;49b)3p02"9b b ...

  18. Final report (Grant No. DOE DE-FG02-97ER62366) [Retrieval of cloud fraction and type using broadband diffuse and total shortwave irradiance measurements

    SciTech Connect (OSTI)

    Clothiaux, Eugene

    2001-05-17

    The primary research effort supported by Grant No. DOE DEFG02-97ER62366 titled ''Retrieval of Cloud Fraction and Type Using Broadband Diffuse and Total Shortwave Irradiance Measurements'' was application of clear-sky identification and cloud fraction estimation algorithms developed by Charles N. Long and Thomas P. Ackerman to the downwelling total, direct and diffuse shortwave irradiance measurements made at all of the central, boundary, and extended facilities of the DOE Atmospheric Radiation Measurement (ARM) Program Southern Great Plains (SOP) site. Goals of the research were finalization and publication of the two algorithms in the peer-reviewed literature and operational application of them to all of aforementioned data streams from the ARM SGP site. The clear-sky identification algorithm was published as Long and Ackerman (2000) in the Journal of Geophysical Research, while a description of the cloud fraction estimation algorithm made it to the scientific literature as Long et al. (1999) in the Proceedings of the 10th American Meteorological Association Conference on Atmospheric Radiation held in Madison, Wisconsin. The cloud fraction estimation algorithm relies on empirical relationships between the outputs of the clear-sky identification algorithm and cloud fraction; as such, the cloud fraction estimation algorithm requires significant amounts of data both to properly develop the empirical relationships and to thoroughly test them. With this perspective in mind the major focus of our research efforts in the later half of the project became the operational implementation of the clear-sky identification algorithm on DOE ARM SGP data so that we could develop the data set necessary for final tuning of the cloud fraction estimation algorithm in research extending beyond the lifetime of the project.

  19. ARM - Publications: Science Team Meeting Documents

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

    The WB57 Midlatitude Cirrus Cloud Experiment (WB57 MidCiX) Mace, G.G.(a) and Heymsfield, A.J.(b), University of Utah (a), National Center for Atmospheric Research (b) Cloud property retrieval algorithms, which are now being applied to ARM data and will be applied to NASA A-Train satellite data, vary in complexity from simple regression equations to more complex multisensor algorithms. In situ validation of these algorithms is critical. Funded through the Radiation Science Program of NASA's

  20. ARM - Field Campaign - Cloud IOP

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

    govCampaignsCloud IOP ARM Data Discovery Browse Data Comments? We would love to hear from you! Send us a note below or call us at 1-888-ARM-DATA. Send Campaign : Cloud IOP 1998.04.27 - 1998.05.17 Lead Scientist : Gerald Mace For data sets, see below. Summary Monday, April 27, 1998 IOP Opening Activities: Heavy rain (nearly 2.5" since 12Z 4/26/98) at the central facility (CF) dominated the first day of the Cloud Physics/Single Column Model IOP and limited the daily activities. A 1430 GMT

  1. ARM - Field Campaign - Fall 1997 Cloud IOP

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

    govCampaignsFall 1997 Cloud IOP ARM Data Discovery Browse Data Comments? We would love to hear from you! Send us a note below or call us at 1-888-ARM-DATA. Send Campaign : Fall 1997 Cloud IOP 1997.09.15 - 1997.10.05 Lead Scientist : Gerald Mace For data sets, see below. Summary The primary objective of the Cloud IOP was to generate a multi-platform data set that can be used as validation for cloud property retrieval algorithms that are being implemented on the operational MMCR data stream.

  2. ARM - Publications: Science Team Meeting Documents

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

    3D Remote Sensing of Cirrus Cloud Parameters Using AVHRR and MODIS Data Coupled With Radar and Lidar Measurements Ou, S.C.(a), Liou, K.N.(a), Takano, Y.(a), Mace, G.G.(b), Sassen, K.(b), and Heymsfield, A.(c), University of California at Los Angeles, California (a), University of Utah, Utah (b), National Center for Atmospheric Research, Colorado (c) Twelfth Atmospheric Radiation Measurement (ARM) Science Team Meeting Satellite mapping of the optical depth in midlatitude and tropical regions has

  3. ARM - Publications: Science Team Meeting Documents

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

    Validation of CERES/MODIS Cloud Property Retrievals Using Ground-Based Measurements Obtained at the DOE ARM SGP Site Dong, X.(a), Minnis, P.(b), Sun-Mack, S.(b), and Mace, G.G.(a), University of Utah (a), NASA Langley Research Center (b) Twelfth Atmospheric Radiation Measurement (ARM) Science Team Meeting Cloud macrophysical and microphysical properties derived from the NASA TERRA (EOS-AM) Moderate Resolution Spectroradiometer (MODIS) as part of the Clouds and the Earth's Radiant Energy System

  4. ARM - Publications: Science Team Meeting Documents

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

    Cirrus Cloud Particle Mass and Terminal Velocity Derived from Airborne 2D-C Probe and Counterflow Virtural Impactor Data for Selected Cases During the Spring 2000 Cloud IOP Benson-Troth, S.(a), Mace, G.G.(a), Twohy, C.(b), and Poellot, M.(c), University of Utah (a), Oregon State University (b), University of North Dakota (c) Thirteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting When cirrus cloud particles are sampled by an airborne 2D-C probe, the shadows of the particles on

  5. ARM - Publications: Science Team Meeting Documents

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

    New Research and Educational Uses of the NSDL/AVC Klaus, C.M.(a), Andrew, K.(b), Mace, G.G.(c), Bahrmann, C.P.(a), Galli, C.(c), McCollum, T.(a), and Gobble, T.(a), Argonne National Laboratory (a), Eastern Illinois University (b), University of Utah (c) Thirteenth Atmospheric Radiation Measurement (ARM) Science Team Meeting The NSF National Science Digital Library (NSDL) has its grand opening on Dec, 4th 2002. One of the 18 featured NSDL collections was the Atmospheric Visualization Collection

  6. ARM - Publications: Science Team Meeting Documents

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

    Validation of TERRA MODIS Cloud Properties Using Ground-Based Measurements at the DOE ARM SGP Site Dong, X.(a), Xi, B.(a), Minnis, P.(b), Wielicki, B.(b), Sun-Mack, S.(c), Chen,Y.(c), and Mace, G.G.(d), University of North Dakota (a), NASA/Langley Research Center (b), SAIC, Inc. (c), University of Utah (d) Cloud macrophysical and microphysical/optical properties derived from the Moderate Resolution Imaging Spectroradiometer (MODIS) on Terra as part of the Clouds and the Earth's Radiant Energy

  7. KatePMace

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

    Kate Petersen Mace Brings Extensive Experience to ESnet's Science Engagement Team News & Publications ESnet News Media & Press Publications and Presentations Galleries ESnet Awards and Honors Contact Us Media Jon Bashor, jbashor@lbl.gov, +1 510 486 5849 or Media@es.net Technical Assistance: 1 800-33-ESnet (Inside the US) 1 800-333-7638 (Inside the US) 1 510-486-7600 (Globally) 1 510-486-7607 (Globally) Report Network Problems: trouble@es.net Provide Web Site Feedback: info@es.net Kate

  8. Best Practices in the Design of Utility Solar Programs

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    Best Practices in the Design of Utility Solar Programs Webinar audio call in number: Toll: +1 (314) 627-1519 Access Code: 519-655-755 September 27, 2012 2 Webinar Presenters * Welcome/Background o Lori Bird, Andy Reger, NREL * James Loewen, CPUC CSI * Eran Mahrer, Solar Electric Power Association * Karl Rábago, Rábago Energy (formerly Austin Energy) * Dana Levy, Frank Mace, NYSERDA 3 What Defines Success? * Market stimulation through cost reduction * Increase long-term viability of solar o

  9. Microsoft PowerPoint - Elisabeth_Cohen_Cirrus_Evolution.ppt [Compatibility Mode]

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

    Cirrus Evolution from Convective Outflow during the Convective Outflow during the Tropical Warm Pool International Cloud Experiment (TWP-ICE) (TWP ICE) Lis Cohen * Jay Mace G M F h * S ll B Greg McFarquhar * Sally Benson Based on contributions from Brian Soden and Min Deng. Contact: Lis Cohen liscohen@met.utah.edu Cirrus Evolution Study The goal is to discover how tropical cirrus clouds are maintained and either evolve into persistent cloud entities or dissipate soon after leaving a convective

  10. Microsoft PowerPoint - McFarquhar_2007.ppt

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

    Small Ice Crystals during TWP-ICE Greg M. McFarquhar 1 , Junshik Um 1 , Matt Freer 1 , Darrel Baumgardner 2 , Gregory L. Kok 3 and Gerald G. Mace 4 1 Department of Atmospheric Sciences, University of Illinois, Urbana-Champaign 2 Universidad Nacional Autónoma de México, México City, México 3 Droplet Measurement Technologies, Boulder, CO 4 University of Utah, Salt Lake City, UT Motivation At microphysical level, ice water content (IWC) & crystal shapes & sizes determine radiative

  11. Microsoft PowerPoint - mcfarquhar_micro.ppt

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

    Proteus Microphysics Greg McFarquhar 1 , Junshik Um 1 , Matt Freer 1 , Greg Kok 2 , Jay Mace 3 , Tim Tooman 4 , Robert McCoy 4 1 University of Illinois, Urbana, IL 2 DMT, Boulder, CO 3 University of Utah, Salt Lake City, UT 4 Sandia National Laboratories, Livermore, CA Light scattered by cloud particles β e , asymmetry parameter Bulk measurement CIN: Cloud Integrating Nephelometer Hot wire probe LWC, TWC Bulk measurement Nevzorov Probe Evaporator probe TWC Bulk measurement from >~ 5 µm

  12. Fihl

    Office of Legacy Management (LM)

    Fihl Je~uarg 11, i952 Ga January 9, 1952 I teak tvo 64oot rods, l-l/l6'D, hot rolled at Iadmmnw, to the Tube Reducing Compaqv in Wallingtam, NJ, for the purpeee ofacndudin$nn experlmentlnvhlch enattanptwouldbe nads toreduce bpthe "Rackrite Froaessy the rod to 1" indlanmtm. The opemtion vu8 satlsfactoqy although thb nrnolmt of reduatlan taken amtherodsvam not~ectenoqhto lronouteane of thehesvler laps nnd senms in the Mace. Themnchiwoperated atthalavestspeadvitb a feed c&1/8"per

  13. Evaluation of Single Nucleotide Polymorphisms (SNPs) in the p53 Binding Protein 1 (TP53BP1) Gene in Breast Cancer Patients Treated With Breast-Conserving Surgery and Whole-Breast Irradiation (BCS + RT)

    SciTech Connect (OSTI)

    Haffty, Bruce G.; Goyal, Sharad; Kulkarni, Diptee; Green, Camille; Vazquez, Alexi; Schiff, Devora; Moran, Meena S.; Yang Qifeng; Ganesan, Shridar; Hirsfield, Kim M.

    2011-06-01

    Purpose: TP53BP1 is a key component of radiation-induced deoxyribonucleic acid damage repair. The purpose of this study was to evaluate the significance of a known common single nucleotide polymorphism in this gene (rs560191) in patients treated with breast-conserving surgery and whole-breast irradiation (BCS + RT). Methods and Materials: The population consisted of 176 premenopausal women treated with BCS + RT (median follow-up, 12 years). Genomic deoxyribonucleic acid was processed by use of TaqMan assays. Each allele for rs560191 was either C or G, so each patient was therefore classified as CC, CG, or GG. Patients were grouped as GG if they were homozygous for the variant G allele or CC-CG if they carried at least one copy of the common C allele (CC or CG). Results: Of the 176 women, 124 (71%) were CC-CG and 52 (29%) were GG. The mean age was 44 years for GG vs. 38 years for CC-CG (p < 0.001). GG was more common in African-American women than white women (69% vs. 13%, p < 0.001) and more commonly estrogen receptor negative (70% vs. 49%, p = 0.02). There were no significant correlations of rs560191 with other critical variables. Despite the fact that GG patients were older, the 10-year rate of local relapses was higher (22% for GG vs. 12% for CC-CG, p = 0.04). Conclusions: This novel avenue of investigation of polymorphisms in radiation repair/response genes in patients treated with BCS + RT suggests a correlation to local relapse. Additional evaluation is needed to assess the biological and functional significance of these single nucleotide polymorphisms, and larger confirmatory validation studies will be required to determine the clinical implications.

  14. Pseudoscalar boson and standard model-like Higgs boson productions at the LHC in the simplest little Higgs model

    SciTech Connect (OSTI)

    Wang Lei; Han Xiaofang

    2010-11-01

    In the framework of the simplest little Higgs model, we perform a comprehensive study for the pair productions of the pseudoscalar boson {eta} and standard model-like Higgs boson h at LHC, namely gg(bb){yields}{eta}{eta}, gg(qq){yields}{eta}h, and gg(bb){yields}hh. These production processes provide a way to probe the couplings between Higgs bosons. We find that the cross section of gg{yields}{eta}{eta} always dominates over that of bb{yields}{eta}{eta}. When the Higgs boson h which mediates these two processes is on-shell, their cross sections can reach several thousand fb and several hundred fb, respectively. When the intermediate state h is off-shell, those two cross sections are reduced by 2 orders of magnitude, respectively. The cross sections of gg{yields}{eta}h and qq{yields}{eta}h are about in the same order of magnitude, which can reach O(10{sup 2} fb) for a light {eta} boson. Besides, compared with the standard model prediction, the cross section of a pair of standard model-like Higgs bosons production at LHC can be enhanced sizably. Finally, we briefly discuss the observable signatures of {eta}{eta}, {eta}h, and hh at the LHC.

  15. Are the Radical Centers in Peptide Radical Cations Mobile? The Generation, Tautomerism, and Dissociation of Isomeric α-Carbon-Centered Triglycine Radical Cations in the Gas Phase

    SciTech Connect (OSTI)

    Chu, Ivan K.; Zhao, Junfang; Xu, Minjie; Siu, Shiu On; Hopkinson, Alan C.; Siu , K W Michael

    2008-05-31

    The mobility of the radical center in three isomeric triglycine radical cationss[G•GG]+, [GG•G]+, and [GGG•]+shas been investigated theoretically via density functional theory (DFT) and experimentally via tandem mass spectrometry. These radical cations were generated by collision-induced dissociations (CIDs) of Cu(II)-containing ternary complexes that contain the tripeptides YGG, GYG, and GGY, respectively (G and Y are the glycine and tyrosine residues, respectively). Dissociative electron transfer within the complexes led to observation of [Y•GG]+, [GY•G]+, and [GGY•]+; CID resulted in cleavage of the tyrosine side chain as p-quinomethide, yielding [G•GG]+, [GG•G]+, and [GGG•]+, respectively. Interconversions between these isomeric triglycine radical cations have relatively high barriers (g44.7 kcal/mol), in support of the thesis that isomerically pure [G•GG]+, [GG•G]+, and [GGG•]+ can be experimentally produced. This is to be contrasted with barriers < 17 kcal/mol that were encountered in the tautomerism of protonated triglycine [Rodriquez C. F. et al. J. Am. Chem. Soc. 2001, 123, 3006-3012]. The CID spectra of [G•GG]+, [GG•G]+, and [GGG•]+ were substantially different, providing experimental proof that initially these ions have distinct structures. DFT calculations showed that direct dissociations are competitive with interconversions followed by dissociation.

  16. Structural insight into dynamic bypass of the major cisplatin-DNA adduct by Y-family polymerase Dpo4

    SciTech Connect (OSTI)

    Wong, Jimson H.Y.; Brown, Jessica A.; Suo, Zucai; Blum, Paul; Nohmi, Takehiko; Ling, Hong

    2010-08-23

    Y-family DNA polymerases bypass Pt-GG, the cisplatin-DNA double-base lesion, contributing to the cisplatin resistance in tumour cells. To reveal the mechanism, we determined three structures of the Y-family DNA polymerase, Dpo4, in complex with Pt-GG DNA. The crystallographic snapshots show three stages of lesion bypass: the nucleotide insertions opposite the 3{prime}G (first insertion) and 5{prime}G (second insertion) of Pt-GG, and the primer extension beyond the lesion site. We observed a dynamic process, in which the lesion was converted from an open and angular conformation at the first insertion to a depressed and nearly parallel conformation at the subsequent reaction stages to fit into the active site of Dpo4. The DNA translocation-coupled conformational change may account for additional inhibition on the second insertion reaction. The structures illustrate that Pt-GG disturbs the replicating base pair in the active site, which reduces the catalytic efficiency and fidelity. The in vivo relevance of Dpo4-mediated Pt-GG bypass was addressed by a dpo-4 knockout strain of Sulfolobus solfataricus, which exhibits enhanced sensitivity to cisplatin and proteomic alterations consistent with genomic stress.

  17. Isoreticular Series of (3,24)-Connected Metal-Organic Frameworks: Facile Synthesis and High Methane Uptake Properties

    SciTech Connect (OSTI)

    Barin, G; Krungleviciute, V; Gomez-Gualdron, DA; Sarjeant, AA; Snurr, RQ; Hupp, JT; Yildirim, T; Farha, OK

    2014-03-11

    We have successfully used a highly efficient copper-catalyzed "click" reaction for the synthesis of a new series of hexacarboxylic acid linkers with varying sizes for the construction of isoreticular (3,24)-connected metal-organic frameworks (MOFs)-namely, NU-138, NU-139, and NU-140. One of these MOFs, NU-140, exhibits a gravimetric methane uptake of 0.34 g/g at 65 bar and 298 K, corresponding to almost 70% of the DOE target (0.5 g/g), and has a working capacity (deliverable amount between 65 and 5 bar) of 0.29 g/g, which translates into a volumetric working capacity of 170 cc(STP)/cc. These values demonstrate that NU-140 performs well for methane storage purposes, from both a gravimetric and a volumetric point of view. Adsorption of CO2 and H-2 along with simulated isotherms are also reported.

  18. Resonance-continuum interference in the di-photon Higgs signal at the LHC

    SciTech Connect (OSTI)

    Dixon, Lance

    2003-02-25

    A low mass Standard Model Higgs boson should be visible at the Large Hadron Collider through its production via gluon-gluon fusion and its decay to two photons. We compute the interference of this resonant process, gg {yields} H {yields} {gamma}{gamma}, with the continuum QCD background, gg {yields} {gamma}{gamma} induced by quark loops. Helicity selection rules suppress the effect, which is dominantly due to the imaginary part of the two-loop gg {yields} {gamma}{gamma} scattering amplitude. The interference is destructive, but only of order 5% in the Standard Model, which is still below the 10-20% present accuracy of the total cross section prediction. We comment on the potential size of such effects in other Higgs models.

  19. Next-to-leading log resummation of scalar and pseudoscalar Higgs boson differential cross sections at the CERN LHC and Fermilab Tevatron

    SciTech Connect (OSTI)

    Field, B.

    2004-09-01

    The region of small transverse momentum in qq- and gg-initiated processes must be studied in the framework of resummation to account for the large, logarithmically enhanced contributions to physical observables. In this paper, we will calculate the fixed order next-to-leading order perturbative total and differential cross sections for both a Standard Model scalar Higgs boson and the Minimal Supersymmetric Standard Model's pseudoscalar Higgs boson in the Heavy Quark Effective Theory where the mass of the top quark is taken to be infinite. Resummation coefficients B{sub g}{sup (2)},C{sub gg}{sup (2)} for the total cross-section resummation for the pseudoscalar case are given, as well as C{sub gg}{sup (1)} for the differential cross section.

  20. Large mass expansion in two-loop QCD corrections of paracharmonium decay

    SciTech Connect (OSTI)

    Hasegawa, K.; Pak, Alexey

    2008-01-01

    We calculate the two-loop QCD corrections to paracharmonium decays {eta}{sub c}{yields}{gamma}{gamma} and {eta}{sub c}{yields}gg involving light-by-light scattering diagrams with light quark loops. Artificial large mass expansion and convergence improvement techniques are used to evaluate these corrections. The obtained corrections to the decays {eta}{sub c}{yields}{gamma}{gamma} and {eta}{sub c}{yields}gg account for -1.25% and -0.73% of the leading order contribution, respectively.

  1. First measurement of the fraction of top-quark pair production through gluon-gluon fusion

    SciTech Connect (OSTI)

    Aaltonen, T.; Maki, T.; Mehtala, P.; Orava, R.; Osterberg, K.; Saarikko, H.; Remortel, N. van; Adelman, J.; Brubaker, E.; Fedorko, W. T.; Grosso-Pilcher, C.; Kim, Y. K.; Kwang, S.; Levy, S.; Paramonov, A. A.; Schmidt, M. A.; Shochet, M.; Wolfe, C.; Yang, U. K.; Yorita, K.

    2008-12-01

    We present the first measurement of {sigma}(gg{yields}tt)/{sigma}(pp{yields}tt). We use 0.96 fb{sup -1} of {radical}(s)=1.96 TeV pp collision data recorded with the CDF II detector at Fermilab. Using charged particles with low transverse momentum in tt events, we find {sigma}(gg{yields}tt)/{sigma}(pp{yields}tt)=0.07{+-}0.14(stat){+-}0.07(syst), corresponding to a 95% confidence level upper limit of 0.33, in agreement with the standard model next-to-leading-order prediction of 0.15{+-}0.05.

  2. Two-stage Framework

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

    ... m m m m m m m m m m m m m m m m m m m m m m m m m m m m m g g g g g g g g g gg g g g g g g g g g g gg g g g g g g g g g g g g g g g g g g g g g g g g g g g g g g g g g g g g g g g ...

  3. Search for a light Higgs boson decaying to two gluons or ss? in the radiative decays of ?(1S)

    SciTech Connect (OSTI)

    Lees, J. P.; Poireau, V.; Tisserand, V.; Grauges, E.; Palano, A.; Eigen, G.; Stugu, B.; Brown, D. N.; Kerth, L. T.; Kolomensky, Yu. G.; Lee, M. J.; Lynch, G.; Koch, H.; Schroeder, T.; Hearty, C.; Mattison, T. S.; McKenna, J. A.; So, R. Y.; Khan, A.; Blinov, V. E.; Buzykaev, A. R.; Druzhinin, V. P.; Golubev, V. B.; Kravchenko, E. A.; Onuchin, A. P.; Serednyakov, S. I.; Skovpen, Yu. I.; Solodov, E. P.; Todyshev, K. Yu.; Yushkov, A. N.; Kirkby, D.; Lankford, A. J.; Mandelkern, M.; Dey, B.; Gary, J. W.; Long, O.; Vitug, G. M.; Campagnari, C.; Franco Sevilla, M.; Hong, T. M.; Kovalskyi, D.; Richman, J. D.; West, C. A.; Eisner, A. M.; Lockman, W. S.; Schumm, B. A.; Seiden, A.; Chao, D. S.; Cheng, C. H.; Echenard, B.; Flood, K. T.; Hitlin, D. G.; Ongmongkolkul, P.; Porter, F. C.; Andreassen, R.; Huard, Z.; Meadows, B. T.; Pushpawela, B. G.; Sokoloff, M. D.; Sun, L.; Bloom, P. C.; Ford, W. T.; Gaz, A.; Nauenberg, U.; Smith, J. G.; Wagner, S. R.; Ayad, R.; Toki, W. H.; Spaan, B.; Schwierz, R.; Bernard, D.; Verderi, M.; Playfer, S.; Bettoni, D.; Bozzi, C.; Calabrese, R.; Cibinetto, G.; Fioravanti, E.; Garzia, I.; Luppi, E.; Piemontese, L.; Santoro, V.; Baldini-Ferroli, R.; Calcaterra, A.; de Sangro, R.; Finocchiaro, G.; Martellotti, S.; Patteri, P.; Peruzzi, I. M.; Piccolo, M.; Rama, M.; Zallo, A.; Contri, R.; Guido, E.; Lo Vetere, M.; Monge, M. R.; Passaggio, S.; Patrignani, C.; Robutti, E.; Bhuyan, B.; Prasad, V.; Morii, M.; Adametz, A.; Uwer, U.; Lacker, H. M.; Dauncey, P. D.; Mallik, U.; Chen, C.; Cochran, J.; Meyer, W. T.; Prell, S.; Gritsan, A. V.; Arnaud, N.; Davier, M.; Derkach, D.; Grosdidier, G.; Le Diberder, F.; Lutz, A. M.; Malaescu, B.; Roudeau, P.; Stocchi, A.; Wormser, G.; Lange, D. J.; Wright, D. M.; Coleman, J. P.; Fry, J. R.; Gabathuler, E.; Hutchcroft, D. E.; Payne, D. J.; Touramanis, C.; Bevan, A. J.; Di Lodovico, F.; Sacco, R.; Cowan, G.; Bougher, J.; Brown, D. N.; Davis, C. L.; Denig, A. G.; Fritsch, M.; Gradl, W.; Griessinger, K.; Hafner, A.; Prencipe, E.; Schubert, K.; Barlow, R. J.; Lafferty, G. D.; Behn, E.; Cenci, R.; Hamilton, B.; Jawahery, A.; Roberts, D. A.; Cowan, R.; Dujmic, D.; Sciolla, G.; Cheaib, R.; Patel, P. M.; Robertson, S. H.; Biassoni, P.; Neri, N.; Palombo, F.; Cremaldi, L.; Godang, R.; Sonnek, P.; Summers, D. J.; Simard, M.; Taras, P.; De Nardo, G.; Monorchio, D.; Onorato, G.; Sciacca, C.; Martinelli, M.; Raven, G.; Jessop, C. P.; LoSecco, J. M.; Honscheid, K.; Kass, R.; Brau, J.; Frey, R.; Sinev, N. B.; Strom, D.; Torrence, E.; Feltresi, E.; Margoni, M.; Morandin, M.; Posocco, M.; Rotondo, M.; Simi, G.; Simonetto, F.; Stroili, R.; Akar, S.; Ben-Haim, E.; Bomben, M.; Bonneaud, G. R.; Briand, H.; Calderini, G.; Chauveau, J.; Leruste, Ph.; Marchiori, G.; Ocariz, J.; Sitt, S.; Biasini, M.; Manoni, E.; Pacetti, S.; Rossi, A.; Angelini, C.; Batignani, G.; Bettarini, S.; Carpinelli, M.; Casarosa, G.; Cervelli, A.; Forti, F.; Giorgi, M. A.; Lusiani, A.; Oberhof, B.; Paoloni, E.; Perez, A.; Rizzo, G.; Walsh, J. J.; Lopes Pegna, D.; Olsen, J.; Smith, A. J. S.; Faccini, R.; Ferrarotto, F.; Ferroni, F.; Gaspero, M.; Li Gioi, L.; Piredda, G.; Bnger, C.; Grnberg, O.; Hartmann, T.; Leddig, T.; Vo, C.; Waldi, R.; Adye, T.; Olaiya, E. O.; Wilson, F. F.; Emery, S.; Hamel de Monchenault, G.; Vasseur, G.; Yche, Ch.; Anulli, F.; Aston, D.; Bard, D. J.; Benitez, J. F.; Cartaro, C.; Convery, M. R.; Dorfan, J.; Dubois-Felsmann, G. P.; Dunwoodie, W.; Ebert, M.; Field, R. C.; Fulsom, B. G.; Gabareen, A. M.; Graham, M. T.; Hast, C.; Innes, W. R.; Kim, P.; Kocian, M. L.; Leith, D. W. G. S.; Lewis, P.; Lindemann, D.; Lindquist, B.; Luitz, S.; Luth, V.; Lynch, H. L.; MacFarlane, D. B.; Muller, D. R.; Neal, H.; Nelson, S.; Perl, M.; Pulliam, T.; Ratcliff, B. N.; Roodman, A.; Salnikov, A. A.; Schindler, R. H.; Snyder, A.; Su, D.; Sullivan, M. K.; Vavra, J.; Wagner, A. P.; Wang, W. F.; Wisniewski, W. J.; Wittgen, M.; Wright, D. H.; Wulsin, H. W.; Ziegler, V.; Park, W.; Purohit, M. V.; White, R. M.; Wilson, J. R.; Randle-Conde, A.; Sekula, S. J.; Bellis, M.; Burchat, P. R.; Miyashita, T. S.; Puccio, E. M. T.; Alam, M. S.; Ernst, J. A.; Gorodeisky, R.; Guttman, N.; Peimer, D. R.; Soffer, A.; Spanier, S. M.; Ritchie, J. L.; Ruland, A. M.; Schwitters, R. F.; Wray, B. C.; Izen, J. M.; Lou, X. C.; Bianchi, F.; De Mori, F.; Filippi, A.; Gamba, D.; Zambito, S.; Lanceri, L.; Vitale, L.; Martinez-Vidal, F.; Oyanguren, A.; Villanueva-Perez, P.; Ahmed, H.; Albert, J.; Banerjee, Sw.; Bernlochner, F. U.; Choi, H. H. F.; King, G. J.; Kowalewski, R.; Lewczuk, M. J.; Lueck, T.; Nugent, I. M.; Roney, J. M.; Sobie, R. J.; Tasneem, N.; Gershon, T. J.; Harrison, P. F.; Latham, T. E.; Band, H. R.; Dasu, S.; Pan, Y.; Prepost, R.; Wu, S. L.

    2013-08-06

    We search for the decay ?(1S)??A?, A??gg or ss?, where A? is the pseudoscalar light Higgs boson predicted by the next-to-minimal supersymmetric Standard Model. We use a sample of (17.60.3)10? ?(1S) mesons produced in the BABAR experiment via e?e???(2S)??????(1S). We see no significant signal and set 90%-confidence-level upper limits on the product branching fraction B(?(1S)??A?)B(A??gg or ss?) ranging from 10?? to 10? for A? masses in the range 0.59.0 GeV/c.

  4. Alternative Fuels Data Center: Maps and Data

    Alternative Fuels and Advanced Vehicles Data Center [Office of Energy Efficiency and Renewable Energy (EERE)]

    system-efficiency Go Generated_thumb20140708-12454-1nsa79k U.S. Light-Duty Fuel Consumption and Vehicle Miles Traveled (VMT) Generated_thumb20140708-12454-1nsa79k Trend of per capita VMT and fuel use in U.S. light-duty vehicles from 1970-2012 Last update July 2014 View Graph Graph Download Data Generated_thumb20141209-960-hxf1gg Clean Cities Petroleum Savings by Fuel Economy and VMT Reductions Generated_thumb20141209-960-hxf1gg Trend of displacement by fuel economy improvement and VMT reduction

  5. OECD MMCI 2-D Core Concrete Interaction (CCI) tests : CCCI-1 test data report-thermalhydraulic results. Rev 0 January 31, 2004.

    SciTech Connect (OSTI)

    Farmer, M. T.; Lomperski, S.; Aeschlimann, R. W.; Basu, S.

    2011-05-23

    The Melt Attack and Coolability Experiments (MACE) program addressed the issue of the ability of water to cool and thermally stabilize a molten core-concrete interaction when the reactants are flooded from above. These tests provided data regarding the nature of corium interactions with concrete, the heat transfer rates from the melt to the overlying water pool, and the role of noncondensable gases in the mixing processes that contribute to melt quenching. As a follow-on program to MACE, The Melt Coolability and Concrete Interaction Experiments (MCCI) project is conducting reactor material experiments and associated analysis to achieve the following objectives: (1) resolve the ex-vessel debris coolability issue through a program that focuses on providing both confirmatory evidence and test data for the coolability mechanisms identified in MACE integral effects tests, and (2) address remaining uncertainties related to long-term two-dimensional molten coreconcrete interactions under both wet and dry cavity conditions. Achievement of these two program objectives will demonstrate the efficacy of severe accident management guidelines for existing plants, and provide the technical basis for better containment designs for future plants. In terms of satisfying these objectives, the Management Board (MB) approved the conduct of two long-term 2-D Core-Concrete Interaction (CCI) experiments designed to provide information in several areas, including: (i) lateral vs. axial power split during dry core-concrete interaction, (ii) integral debris coolability data following late phase flooding, and (iii) data regarding the nature and extent of the cooling transient following breach of the crust formed at the melt-water interface. This data report provides thermal hydraulic test results from the CCI-1 experiment, which was conducted on December 19, 2003. Test specifications for CCI-1 are provided in Table 1-1. This experiment investigated the interaction of a fully oxidized 400 kg PWR core melt, initially containing 8 wt % calcined siliceous concrete, with a specially designed two-dimensional siliceous concrete test section with an initial cross-sectional area of 50 cm x 50 cm. The report begins by providing a summary description of the CCI-1 test apparatus and operating procedures, followed by presentation of the thermal-hydraulic results. The posttest debris examination results will be provided in a subsequent publication. Observations drawn within this report regarding the overall cavity erosion behavior may be subject to revision once the posttest examinations are completed, since these examinations will fully reveal the final cavity shape.

  6. OECD MCCI 2-D Core Concrete Interaction (CCI) tests : CCI-2 test data report-thermalhydraulic results, Rev. 0 October 15, 2004.

    SciTech Connect (OSTI)

    Farmer, M. T.; Lomperski, S.; Kilsdonk, D. J.; Aeschlimann, R. W.; Basu, S.

    2011-05-23

    The Melt Attack and Coolability Experiments (MACE) program addressed the issue of the ability of water to cool and thermally stabilize a molten core-concrete interaction when the reactants are flooded from above. These tests provided data regarding the nature of corium interactions with concrete, the heat transfer rates from the melt to the overlying water pool, and the role of noncondensable gases in the mixing processes that contribute to melt quenching. As a follow-on program to MACE, The Melt Coolability and Concrete Interaction Experiments (MCCI) project is conducting reactor material experiments and associated analysis to achieve the following objectives: (1) resolve the ex-vessel debris coolability issue through a program that focuses on providing both confirmatory evidence and test data for the coolability mechanisms identified in MACE integral effects tests, and (2) address remaining uncertainties related to long-term two-dimensional molten core-concrete interactions under both wet and dry cavity conditions. Achievement of these two program objectives will demonstrate the efficacy of severe accident management guidelines for existing plants, and provide the technical basis for better containment designs for future plants. In terms of satisfying these objectives, the Management Board (MB) approved the conduct of two long-term 2-D Core-Concrete Interaction (CCI) experiments designed to provide information in several areas, including: (i) lateral vs. axial power split during dry core-concrete interaction, (ii) integral debris coolability data following late phase flooding, and (iii) data regarding the nature and extent of the cooling transient following breach of the crust formed at the melt-water interface. This data report provides thermal hydraulic test results from the CCI-2 experiment, which was conducted on August 24, 2004. Test specifications for CCI-2 are provided in Table 1-1. This experiment investigated the interaction of a fully oxidized 400 kg PWR core melt, initially containing 8 wt % Limestone/Common Sand (LCS) concrete, with a specially designed two-dimensional LCS concrete test section with an initial cross-sectional area of 50 cm x 50 cm. The report begins by providing a summary description of the CCI-2 test apparatus and operating procedures, followed by presentation of the thermal-hydraulic results. Detailed posttest debris examination results will be provided in a subsequent publication. Observations drawn within this report regarding the overall cavity erosion behavior may be subject to revision once the posttest examinations are completed, since these examinations will fully reveal the final cavity shape.

  7. OECD MCCI project 2-D Core Concrete Interaction (CCI) tests : CCI-3 test data report-thermalhydraulic results. Rev. 0 October 15, 2005.

    SciTech Connect (OSTI)

    Farmer, M. T.; Lomperski, S.; Kilsdonk, D. J.; Aeschlimann, R. W.; Basu, S.

    2011-05-23

    The Melt Attack and Coolability Experiments (MACE) program addressed the issue of the ability of water to cool and thermally stabilize a molten core-concrete interaction when the reactants are flooded from above. These tests provided data regarding the nature of corium interactions with concrete, the heat transfer rates from the melt to the overlying water pool, and the role of noncondensable gases in the mixing processes that contribute to melt quenching. As a follow-on program to MACE, The Melt Coolability and Concrete Interaction Experiments (MCCI) project is conducting reactor material experiments and associated analysis to achieve the following objectives: (1) resolve the ex-vessel debris coolability issue through a program that focuses on providing both confirmatory evidence and test data for the coolability mechanisms identified in MACE integral effects tests, and (2) address remaining uncertainties related to long-term two-dimensional molten core-concrete interactions under both wet and dry cavity conditions. Achievement of these two program objectives will demonstrate the efficacy of severe accident management guidelines for existing plants, and provide the technical basis for better containment designs for future plants. In terms of satisfying these objectives, the Management Board (MB) approved the conduct of a third long-term 2-D Core-Concrete Interaction (CCI) experiment designed to provide information in several areas, including: (i) lateral vs. axial power split during dry core-concrete interaction, (ii) integral debris coolability data following late phase flooding, and (iii) data regarding the nature and extent of the cooling transient following breach of the crust formed at the melt-water interface. This data report provides thermal hydraulic test results from the CCI-3 experiment, which was conducted on September 22, 2005. Test specifications for CCI-3 are provided in Table 1-1. This experiment investigated the interaction of a fully oxidized 375 kg PWR core melt, initially containing 15 wt% siliceous concrete, with a specially designed two-dimensional siliceous concrete test section with an initial cross-sectional area of 50 cm x 50 cm. The sand and aggregate constituents for this particular siliceous concrete were provided by CEA as an in-kind contribution to the program. The report begins by providing a summary description of the CCI-3 test apparatus and operating procedures, followed by presentation of the thermal-hydraulic results. Detailed posttest debris examination results will be provided in a subsequent publication. Observations drawn within this report regarding the overall cavity erosion behavior may be subject to revision once the posttest examinations are completed, since these examinations will fully reveal the final cavity shape.

  8. OECD MCCI project long-term 2-D molten core concrete interaction test design report, Rev. 0. September 30, 2002.

    SciTech Connect (OSTI)

    Farmer, M. T.; Kilsdonk, D. J.; Lomperski, S.; Aeschliman, R. W.; Basu, S. (Nuclear Engineering Division); (NRC)

    2011-05-23

    The Melt Attack and Coolability Experiments (MACE) program at Argonne National Laboratory addressed the issue of the ability of water to cool and thermally stabilize a molten core-concrete interaction when the reactants are flooded from above. These tests provided data regarding the nature of corium interactions with concrete, the heat transfer rates from the melt to the overlying water pool, and the role of noncondensable gases in the mixing processes that contribute to melt quenching. As a follow-on program to MACE, The Melt Coolability and Concrete Interaction Experiments (MCCI) project is conducting reactor material experiments and associated analysis to achieve the following two technical objectives: (1) resolve the ex-vessel debris coolability issue through a program that focuses on providing both confirmatory evidence and test data for the coolability mechanisms identified in MACE integral effects tests, and (2) address remaining uncertainties related to long-term two-dimensional molten core-concrete interactions under both wet and dry cavity conditions. Achievement of these two objectives will demonstrate the efficacy of severe accident management guidelines for existing plants, and provide the technical basis for better containment designs for future plants. In terms of the first program objective, the Small-Scale Water Ingression and Crust Strength (SSWICS) test series has been initiated to provide fundamental information on the ability of water to ingress into cracks and fissures that form in the debris during quench, thereby augmenting the otherwise conduction-limited heat transfer process. A test plan for Melt Eruption Separate Effects Tests (MESET) has also been developed to provide information on the extent of crust growth and melt eruptions as a function of gas sparging rate under well-controlled experiment conditions. In terms of the second program objective, the project Management Board (MB) has approved startup activities required to carry out experiments to address remaining uncertainties related to long-term two-dimensional molten core-concrete interaction. In particular, for both wet and dry cavity conditions, there is uncertainty insofar as evaluating the lateral vs. axial power split during a core-concrete interaction due to a lack of experiment data. As a result, there are differences in the 2-D cavity erosion predicted by codes such as MELCOR, WECHSL, and COSACO. The first step towards generating this data is to produce a test plan for review by the Project Review Group (PRG). The purpose of this document is to provide this plan.

  9. Laboratory Tests Indicate Conditions that Could Potentially Impact...

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

    may be exposed while in use. The HEPA filters tested were 24" x 24" x 11 .5" DYN E2 media HEPA filters (model number 0-007-U-42-03-NU-11-13-GG- FU5). The tests showed that...

  10. A=6Be (74AJ01)

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

    74AJ01) (See Energy Level Diagrams for 6Be) GENERAL: See also (66LA04) and Table 6.7 Table of Energy Levels (in PDF or PS). Model calculations: (BA66T, BA68GG, FA68C, VA68P,...

  11. A=8B (66LA04)

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

    8B (66LA04) (See Energy Level Diagrams for 8B) GENERAL: See (FO58D, TA60L, IN62, NA63E, BA64I, BA64GG, GR64C, ST64). See also Table 8.18 Table of Energy Levels (in PDF or PS)....

  12. Electroproduction and gluonic production of J/{psi} mesons under the assumption of quark-hadron duality

    SciTech Connect (OSTI)

    Berezhnoy, A. V. Likhoded, A. K.

    2008-02-15

    On the basis of the assumption of quark-hadron duality, it is shown that the color-singlet contribution to the cross sections for the processes e + g {sup {yields}} e + J/{psi} + g and gg {sup {yields}} J/{psi}g increases upon taking into account the relative motion of quarks in the J/{psi} meson.

  13. MicroBooNE TPC Wires Image Map

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

    Aa 424 425 426 427 Bb 428 429 430 Cc 431 432 433 Dd 434 435 Ee 436 437 Ff 438 439 440 Gg 441 442 443 Hh 444 445 446 Ii 447 448 449 450 451 452 453 454 455 456 457 Jj 458 459 460 ...

  14. LHC Physics Potential versus Energy

    SciTech Connect (OSTI)

    Quigg, Chris; /Fermilab

    2009-08-01

    Parton luminosities are convenient for estimating how the physics potential of Large Hadron Collider experiments depends on the energy of the proton beams. I present parton luminosities, ratios of parton luminosities, and contours of fixed parton luminosity for gg, u{bar d}, and qq interactions over the energy range relevant to the Large Hadron Collider, along with example analyses for specific processes.

  15. NOIJLVaiSINIWaV NOIlVlAldOdNI AOU3N3 Z661

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

    ... Pliufi aqi ui JHDDO 04 pajoadxa si 661 u pueuiap CDHO u qiMOJ aqj jo juaojad gg uBqi ajopM '(Z 31

  16. Higgs Coupling Measurements at a 1 TeV Linear Collider

    SciTech Connect (OSTI)

    Barklow, T

    2003-12-18

    Methods for extracting Higgs boson signals at a 1 TeV center-of-mass energy e{sup +}e{sup -} linear collider are described. In addition, estimates are given for the accuracy with which branching fractions can be measured for Higgs boson decays to b{bar b} WW, gg, and {gamma}{gamma}.

  17. Electroproduction and gluonic production of J/{psi} mesons under the assumption of quark-hadron duality

    SciTech Connect (OSTI)

    Berezhnoy, A. V.; Likhoded, A. K.

    2008-02-15

    On the basis of the assumption of quark-hadron duality, it is shown that the color-singlet contribution to the cross sections for the processes e + g {yields} e + J/{psi} + g and gg {yields} J/{psi}g increases upon taking into account the relative motion of quarks in the J/{psi} meson.

  18. DOE/NV/10327-19 DOE/NV/10327-19

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

    ... - 020485 010684 - 020485 ELEVATIOW WT) WSE RATE 1983 AOJUSTED hramd) ANNUAL DOSE gg& (mmY) 0622 0.14 0.16 60 1984 ADJUSTED ANNUAL WSE (nrealY 1 60 5750 0.37 0.n 0.26 105 ...

  19. Inclusive radiative J/{psi} decays

    SciTech Connect (OSTI)

    Besson, D.; Pedlar, T. K.; Cronin-Hennessy, D.; Gao, K. Y.; Hietala, J.; Kubota, Y.; Klein, T.; Lang, B. W.; Poling, R.; Scott, A. W.; Zweber, P.; Dobbs, S.; Metreveli, Z.; Seth, K. K.; Tomaradze, A.; Libby, J.; Powell, A.; Wilkinson, G.; Ecklund, K. M.; Love, W.

    2008-08-01

    Using data taken with the CLEO-c detector at the Cornell Electron Storage Ring, we have investigated the direct-photon momentum spectrum in the decay J/{psi}(1S){yields}{gamma}gg, via the ''tagged'' process: e{sup +}e{sup -}{yields}{psi}(2S); {psi}(2S){yields}J/{psi}{pi}{sup +}{pi}{sup -}; J/{psi}{yields}{gamma}+X. Including contributions from two-body radiative decay processes, we find the ratio of the inclusive direct-photon branching fraction to that of the dominant three-gluon branching fraction [R{sub {gamma}}=B(gg{gamma})/B(ggg)] to be R{sub {gamma}}=0.137{+-}0.001{+-}0.016{+-}0.004, where the errors shown are statistical, systematic, and the model-dependent uncertainty related to the extrapolation to zero photon energy. The shape of the scaled photon energy spectrum in J/{psi}{yields}gg{gamma} is observed to be very similar to that of {upsilon}{yields}gg{gamma}. The R{sub {gamma}} value obtained is roughly consistent with that expected by a simple quark-charge scaling [R{sub {gamma}}{approx}(q{sub c}/q{sub b}){sup 2}] of the value determined at the {upsilon}(1S), but somewhat higher than the value expected from the running of the strong coupling constant.

  20. 012

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

    ... Q-'.X6*S6.6X'.X@*K**K(*C>>E ""%%&'()**)(-(*6*))(%7( (*8*0)(-0(9%:(**+;< 2'ZN-%-.X* .-X'% (HP1%3'NM1T+344E6">gG *DC>>JFI ...

  1. SMA Locations.pdf

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

    ... D RQ &D Q RQ ,QG LR &DQ RQ 1R UWK 3X HE OR &D Q RQ : D OQ X W & D Q R Q )LV K D GG HU &D Q RQ & D Q D G D % R Q LW D 6FK RR O &D QR Q UHD &DQR Q 8 S S H U 7Z R 0 LO ...

  2. FORMERLY UTILIZED SITES REUEDIAL ACTION PROGRAM ELIMINATION REPORT

    Office of Legacy Management (LM)

    REUEDIAL ACTION PROGRAM ELIMINATION REPORT COPPERWELD STEEL COMPANY 4000 MAHONING AVENUE, N.W. WARREN. OHIO December 1991 U.S. Department of Energy Office of Environmental Restoration and Waste Management Office of Environmental Restoration Office of Eastern Area Programs CONTENTS INTRODUCTION . . . . . . . . . . . &gg . . . . . . . . . . . . . . .l BACKGROUND . . . . . . . . . . . . . . . . . . . . . . . . . . . .l Site Function Site Description Radiological History and Status ELIMINATION

  3. Inventory of U.S. Greenhouse Gas Emissions and Sinks: 1990-2009 … Main Text

    National Nuclear Security Administration (NNSA)

    xiii Table 4-82: HCFC-22 Production (Gg) .................................................................................................................. 4-61 Table 4-83: Quantitative Uncertainty Estimates for HFC-23 Emissions from HCFC-22 Production (Tg CO 2 Eq. and Percent) .................................................................................................................................................................... 4-62 Table 4-84: Emissions of HFCs and PFCs from ODS

  4. OECD/MCCI 2-D Core Concrete Interaction (CCI) tests : final report February 28, 2006.

    SciTech Connect (OSTI)

    Farmer, M. T.; Lomperski, S.; Kilsdonk, D. J.; Aeschlimann, R. W.; Basu, S. (Nuclear Engineering Division); (NRC)

    2011-05-23

    Although extensive research has been conducted over the last several years in the areas of Core-Concrete Interaction (CCI) and debris coolability, two important issues warrant further investigation. The first issue concerns the effectiveness of water in terminating a CCI by flooding the interacting masses from above, thereby quenching the molten core debris and rendering it permanently coolable. This safety issue was investigated in the EPRI-sponsored Melt Attack and Coolability Experiments (MACE) program. The approach was to conduct large scale, integral-type reactor materials experiments with core melt masses ranging up to two metric tons. These experiments provided unique, and for the most part repeatable, indications of heat transfer mechanism(s) that could provide long term debris cooling. However, the results did not demonstrate definitively that a melt would always be completely quenched. This was due to the fact that the crust anchored to the test section sidewalls in every test, which led to melt/crust separation, even at the largest test section lateral span of 1.20 m. This decoupling is not expected for a typical reactor cavity, which has a span of 5-6 m. Even though the crust may mechanically bond to the reactor cavity walls, the weight of the coolant and the crust itself is expected to periodically fracture the crust and restore contact with the melt. Although crust fracturing does not ensure that coolability will be achieved, it nonetheless provides a pathway for water to recontact the underlying melt, thereby allowing other debris cooling mechanisms to proceed. A related task of the current program, which is not addressed in this particular report, is to measure crust strength to check the hypothesis that a corium crust would not be strong enough to sustain melt/crust separation in a plant accident. The second important issue concerns long-term, two-dimensional concrete ablation by a prototypic core oxide melt. As discussed by Foit the existing reactor material database for dry cavity conditions is solely one-dimensional. Although the MACE Scoping Test was carried out with a two-dimensional concrete cavity, the interaction was flooded soon after ablation was initiated to investigate debris coolability. Moreover, due to the scoping nature of this test, the apparatus was minimally instrumented and therefore the results are of limited value from the code validation viewpoint. Aside from the MACE program, the COTELS test series also investigated 2-D CCI under flooded cavity conditions. However, the input power density for these tests was quite high relative to the prototypic case. Finally, the BETA test series provided valuable data on 2-D core concrete interaction under dry cavity conditions, but these tests focused on investigating the interaction of the metallic (steel) phase with concrete. Due to these limitations, there is significant uncertainty in the partition of energy dissipated for the ablation of concrete in the lateral and axial directions under dry cavity conditions for the case of a core oxide melt. Accurate knowledge of this 'power split' is important in the evaluation of the consequences of an ex-vessel severe accident; e.g., lateral erosion can undermine containment structures, while axial erosion can penetrate the basemat, leading to ground contamination and/or possible containment bypass. As a result of this uncertainty, there are still substantial differences among computer codes in the prediction of 2-D cavity erosion behavior under both wet and dry cavity conditions. In light of the above issues, the OECD-sponsored Melt Coolability and Concrete Interaction (MCCI) program was initiated at Argonne National Laboratory. The project conducted reactor materials experiments and associated analysis to achieve the following technical objectives: (1) resolve the ex-vessel debris coolability issue through a program that focused on providing both confirmatory evidence and test data for the coolability mechanisms identified in MACE integral effects tests, and (2) address remaining uncertainties relat

  5. Recent Progress in the Negative-Ion-Based Neutral Beam Injectors in Large Helical Device

    SciTech Connect (OSTI)

    Takeiri, Y.; Tsumori, K.; Ikeda, K.; Osakabe, M.; Nagaoka, K.; Oka, Y.; Asano, E.; Kondo, T.; Sato, M.; Shibuya, M.; Komada, S.; Kaneko, O.

    2009-03-12

    Negative-ion-based neutral beam injection (negative-NBI) system has been operated for 10 years in Large Helical Device (LHD). The injection power has been increased year by year, according to the improvement of the negative ion sources. Up to now, every injector achieves the designed injection energy and power of 180 keV-5 MW with hydrogen beams, and the total injection power exceeds 16 MW with three injectors. In the multi-round aperture grounded grid (GG), the diameter of a round aperture has been enlarged for higher GG transparency. Then, the GG heat load is reduced, as well as in the multi-slotted GG, and the voltage holding ability in the beam acceleration was improved. As a result, the beam energy is raised and the injection power is increased. To improve the anisotropic property of the beamlet convergence condition between the perpendicular and the parallel directions to the slots in the multi-slotted GG, a round-shape aperture of the steering grid (SG) has been changed to a racetrack shape. As a result, the difference of the beamlet conversion condition is much mitigated, and the injection efficiency (port-transmission efficiency) is improved, leading to 188 keV-6.4 MW injection. The Cs consumption is observed to be proportional to the tungsten evaporation from filaments. The Cs behavior is investigated with optical emission spectroscopy. During the beam extraction, the Cs recycling is dominated by Cs on the backplate, which is evaporated into the plasma by the backstreaming positive ions, and the wall surfaces should be loss regions for the supplied Cs.

  6. Fine-scale Horizontal Structure of Arctic Mixed-Phase Clouds.

    SciTech Connect (OSTI)

    Rambukkange,M.; Verlinde, J.; Elorante, E.; Luke, E.; Kollias, P.; Shupe, M.

    2006-07-10

    Recent in situ observations in stratiform clouds suggest that mixed phase regimes, here defined as limited cloud volumes containing both liquid and solid water, are constrained to narrow layers (order 100 m) separating all-liquid and fully glaciated volumes (Hallett and Viddaurre, 2005). The Department of Energy Atmospheric Radiation Measurement Program's (DOE-ARM, Ackerman and Stokes, 2003) North Slope of Alaska (NSA) ARM Climate Research Facility (ACRF) recently started collecting routine measurement of radar Doppler velocity power spectra from the Millimeter Cloud Radar (MMCR). Shupe et al. (2004) showed that Doppler spectra has potential to separate the contributions to the total reflectivity of the liquid and solid water in the radar volume, and thus to investigate further Hallett and Viddaurre's findings. The Mixed-Phase Arctic Cloud Experiment (MPACE) was conducted along the NSA to investigate the properties of Arctic mixed phase clouds (Verlinde et al., 2006). We present surface based remote sensing data from MPACE to discuss the fine-scale structure of the mixed-phase clouds observed during this experiment.

  7. Search for a light Higgs boson decaying to two gluons or ss̄ in the radiative decays of Υ(1S)

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

    Lees, J. P.; Poireau, V.; Tisserand, V.; Grauges, E.; Palano, A.; Eigen, G.; Stugu, B.; Brown, D. N.; Kerth, L. T.; Kolomensky, Yu. G.; et al

    2013-08-06

    We search for the decay Υ(1S)→γA⁰, A⁰→gg or ss̄, where A⁰ is the pseudoscalar light Higgs boson predicted by the next-to-minimal supersymmetric Standard Model. We use a sample of (17.6±0.3)×10⁶ Υ(1S) mesons produced in the BABAR experiment via e⁺e⁻→Υ(2S)→π⁺π⁻Υ(1S). We see no significant signal and set 90%-confidence-level upper limits on the product branching fraction B(Υ(1S)→γA⁰)·B(A⁰→gg or ss̄) ranging from 10⁻⁶ to 10⁻² for A⁰ masses in the range 0.5–9.0 GeV/c².

  8. Trace rare earth element analysis of IAEA hair (HH-1), animal bone (H-5) and other biological standards by radiochemical neutron activation

    SciTech Connect (OSTI)

    Lepel, E.A.; Laul, J.C.

    1986-03-01

    A radiochemical neutron activation analysis using a rare earth group separation scheme has been used to measure ultratrace levels of rare earth elements (REE) in IAEA Human Hair (HH-1), IAEA Animal Bone (H-5), NBS Bovine Liver (SRM 1577), and NBS Orchard Leaf (SRM 1571) standards. The REE concentrations in Human Hair and Animal Bone range from 10/sup -8/g/g to 10/sup -11/g/g and their chondritic normalized REE patterns show a negative Eu anomaly and follow as a smooth function of the REE ionic radii. The REE patterns for NBS Bovine Liver and Orchard Leaf are identical except that their concentrations are higher. The similarity among the REE patterns suggest that the REE do not appear to be fractionated during the intake of biological materials by animals or humans. 14 refs., 3 figs., 2 tabs.

  9. {upsilon}(1S){yields}{gamma}f{sub 2}(1270) decay

    SciTech Connect (OSTI)

    Li Bingan

    2009-12-01

    Decay {upsilon}(1S){yields}{gamma}f{sub 2}(1270) is studied by an approach in which the tensor meson, f{sub 2}(1270), is strongly coupled to gluons. Besides the strong suppression of the amplitude {upsilon}(1S){yields}{gamma}gg, gg{yields}f{sub 2} by the mass of the b-quark, d-wave dominance in {upsilon}(1S){yields}{gamma}f{sub 2}(1270) is revealed from this approach, which provides a large enhancement. The combination of these two factors leads to larger B({upsilon}(1S){yields}{gamma}f{sub 2}(1270)). The decay rate of {upsilon}(1S){yields}{gamma}f{sub 2}(1270) and the ratios of the helicity amplitudes are obtained and they are in agreement with the data.

  10. Multi-Higgs boson production in the standard model and beyond

    SciTech Connect (OSTI)

    Binoth, T.; Karg, S.; Kauer, N.; Rueckl, R.

    2006-12-01

    We present a calculation of the loop-induced processes gg{yields}HH and gg{yields}HHH, and investigate the observability of multi-Higgs boson production at the CERN Large Hadron Collider (LHC) in the Standard Model (SM) and beyond. While the SM cross sections are too small to allow observation at the LHC, we demonstrate that physics beyond the SM can lead to amplified, observable cross sections. Furthermore, the applicability of the heavy top quark approximation in two- and three-Higgs boson production is investigated. We conclude that multi-Higgs boson production at the SuperLHC is an interesting probe of Higgs sectors beyond the SM and warrants further study.

  11. Measurement of the relative fraction of ttbar events produced via gluon fusion in ppbar collision at s**(1/2) = 1.96 TeV at CDF

    SciTech Connect (OSTI)

    Yamaoka, Jared Andrew; /Rutgers U., Piscataway

    2007-10-01

    In this thesis we present a measurement of the relative fraction of t{bar t} events produced via gluon-fusion to the total number of t{bar t} events. Using the kinematics of the production and decay of the top and antitop quark pair, we trained a Neural Network to discriminate the gluon-fusion events. The Neural Network was then used as a template to fit for the gluon-fusion fraction in data. Using a total integrated luminosity of 955 pb{sup -1} we find {sigma}(gg{yields}t{bar t})/{sigma}(p{bar p}{yields}t{bar t}) < 0.33 at 68% confidence level and {sigma}(gg{yields}t{bar t})/{sigma}(p{bar p}{yields}t{bar t}) < 0.61 at 95% confidence level.

  12. Gluon-glueball duality and glueball searches

    SciTech Connect (OSTI)

    Nussinov, Shmuel; Shrock, Robert

    2009-09-01

    We discuss a notion of gluon-glueball duality analogous to quark-hadron duality. We apply this idea to the radiative decay of heavy orthoquarkonium, QQ{yields}{gamma}gg, which has been used to search for glueballs. The duality is first introduced in two simplified contexts: (i) a hypothetical version of QCD without any light quarks and (ii) QCD in the large-N{sub c} limit. We then discuss how an approximate form of this duality could hold in real QCD, based on a hierarchy of time scales in the temporal evolution of the gg subsystem in radiative orthoquarkonium decay. We apply this notion of gluon-glueball duality to suggest a method that could be useful in experimental searches for glueballs.

  13. Inclusive radiative {psi}(2S) decays

    SciTech Connect (OSTI)

    Libby, J.; Martin, L.; Powell, A.; Thomas, C.; Wilkinson, G.; Mendez, H.; Ge, J. Y.; Miller, D. H.; Shipsey, I. P. J.; Xin, B.; Adams, G. S.; Hu, D.; Moziak, B.; Napolitano, J.; Ecklund, K. M.; He, Q.; Insler, J.; Muramatsu, H.; Park, C. S.; Thorndike, E. H.

    2009-10-01

    Using e{sup +}e{sup -} collision data taken with the CLEO-c detector at the Cornell Electron Storage Ring, we have investigated the direct photon spectrum in the decay {psi}(2S){yields}{gamma}gg. We determine the ratio of the inclusive direct photon decay rate to that of the dominant three-gluon decay rate {psi}(2S){yields}ggg (R{sub {gamma}}{identical_to}{gamma}({gamma}gg)/{gamma}(ggg)) to be R{sub {gamma}}(z{sub {gamma}}>0.4)=0.070{+-}0.002{+-}0.019{+-}0.011, with z{sub {gamma}} defined as the scaled photon energy relative to the beam energy. The errors shown are statistical, systematic, and that due to the uncertainty in the input branching fractions used to extract the ratio, respectively.

  14. Measurement of the fraction of tt production via gluon-gluon fusion in pp collisions at {radical}(s)=1.96 TeV

    SciTech Connect (OSTI)

    Aaltonen, T.; Maki, T.; Mehtala, P.; Orava, R.; Osterberg, K.; Saarikko, H.; Remortel, N. van; Adelman, J.; Brubaker, E.; Fedorko, W. T.; Grosso-Pilcher, C.; Kim, Y. K.; Krop, D.; Kwang, S.; Paramonov, A. A.; Schmidt, M. A.; Shiraishi, S.; Shochet, M.; Wolfe, C.; Yang, U. K.

    2009-02-01

    We present a measurement of the ratio of the tt production cross section via gluon-gluon fusion to the total tt production cross section in pp collisions at {radical}(s)=1.96 TeV at the Tevatron. Using a data sample with an integrated luminosity of 955 pb{sup -1} recorded by the CDF II detector at Fermilab, we select events based on the tt decay to lepton+jets. Using an artificial neural network technique we discriminate between tt events produced via qq annihilation and gg fusion, and find G{sub f}={sigma}(gg{yields}tt)/{sigma}(pp{yields}tt)<0.33 at the 68% confidence level. This result is combined with a previous measurement to obtain the most stringent measurement of this quantity by CDF to date, G{sub f}=0.07{sub -0.07}{sup +0.15}.

  15. Water-Stable Zirconium-Based Metal-Organic Framework Material with High-Surface Area and Gas-Storage Capacities

    SciTech Connect (OSTI)

    Gutov, OV; Bury, W; Gomez-Gualdron, DA; Krungleviciute, V; Fairen-Jimenez, D; Mondloch, JE; Sarjeant, AA; Al-Juaid, SS; Snurr, RQ; Hupp, JT; Yildirim, T; Farha, OK

    2014-08-14

    We designed, synthesized, and characterized a new Zr-based metal-organic framework material, NU-1100, with a pore volume of 1.53 ccg(-1) and Brunauer-Emmett-Teller (BET) surface area of 4020 m(2)g(-1); to our knowledge, currently the highest published for Zr-based MOFs. CH4/CO2/H-2 adsorption isotherms were obtained over a broad range of pressures and temperatures and are in excellent agreement with the computational predictions. The total hydrogen adsorption at 65 bar and 77 K is 0.092 gg(-1), which corresponds to 43 gL(-1). The volumetric and gravimetric methane-storage capacities at 65 bar and 298 K are approximately 180 v(STP)/v and 0.27 gg(-1), respectively.

  16. The importance of China's household sector for black carbon emissions - article no. L12708

    SciTech Connect (OSTI)

    Streets, D.G.; Aunan, K.

    2005-06-30

    The combustion of coal and biofuels in Chinese households is a large source of black carbon (BC), representing about 10-15% of total global emissions during the past two decades, depending on the year. How the Chinese household sector develops during the next 50 years will have an important bearing on future aerosol concentrations, because the range of possible outcomes (about 550 Gg yr{sup -1}) is greater than total BC emissions in either the United States or Europe (each about 400-500 Gg yr{sup -1}). In some Intergovernmental Panel on Climate Change scenarios biofuels persist in rural China for at least the next 50 years, whereas in other scenarios a transition to cleaner fuels and technologies effectively mitigates BC emissions. This paper discusses measures and policies that would help this transition and also raises the possibility of including BC emission reductions as a post-Kyoto option for China and other developing countries.

  17. Decadal growth of black carbon emissions in India - article no. L02807

    SciTech Connect (OSTI)

    Sahu, S.K.; Beig, G.; Sharma, C.

    2008-01-15

    A Geographical Information System (GIS) based methodology has been used to construct the black carbon (BC) emission inventory for the Indian geographical region. The distribution of emissions from a broader level to a spatial resolution of 1{sup o} x 1{sup o} grid has been carried out by considering micro level details and activity data of fossil fuels and bio-fuels. Our calculated total BC emissions were 1343.78 Gg and 835.50 Gg for the base years 2001 and 1991 respectively with a decadal growth of around 61%, which is highly significant. The district level analysis shows a diverse spatial distribution with the top 10% emitting districts contributing nearly 50% of total BC emission. Coal contributes more than 50% of total BC emission. All the metropolitan cities show high BC emissions due to high population density giving rise to high vehicular emissions and more demand of energy.

  18. Kinetics for Tautomerizations and Dissociations of Triglycine Radical Cations

    SciTech Connect (OSTI)

    Siu, Chi-Kit; Zhao, Junfang; Laskin, Julia; Chu, Ivan K.; Hopkinson, Alan C.; Siu , K W Michael

    2009-06-01

    Fragmentations of tautomers of the α-centered radical triglycine radical cation, [GGG*]+, [GG*G]+, and [G*GG]+, are charge-driven, giving b-type ions; these are processes that are facilitated by a mobile proton, as in the fragmentation of protonated triglycine (Rodriquez, C.F. et al. J. Am. Chem. Soc. 2001, 123, 3006 - 3012). By contrast, radical centers are less mobile. Two mechanisms have been examined theoretically utilizing density functional theory and Rice-Ramsperger-Kassel-Marcus modeling: (1) a direct hydrogen-atom migration between two α-carbons, and (2) a two-step proton migration involving a canonical [GGG]*+ as an intermediate. Predictions employing the latter mechanism are in good agreement with results of recent CID experiments (Chu, I.K. et al. J. Am. Chem. Soc. 2008, 130, 7862 - 7872).

  19. Neutralino annihilation to qqg

    SciTech Connect (OSTI)

    Barger, Vernon; Shaughnessy, Gabe; Keung, W.-Y.; Logan, Heather E.

    2006-10-01

    We compute the cross section for {chi}{chi}{yields}qqg at order {alpha}{sub s}{sup 2}/M{sub q-}t{sub ilde}{sup 6} arising from interference between the tree-level and loop-induced processes. This interference term is the same order in {alpha}{sub s} as {chi}{chi}{yields}gg; for mass degenerate squarks M{sub q-tildeR}=M{sub q-}t{sub ildeL}=M{sub q-tilde} we find v{sub rel}{sigma}{sub int}=[-2m{sub {chi}}{sup 2}/3M{sub q-tilde}{sup 2}]v{sub rel}{sigma}({chi}{chi}= {yields}gg)

  20. Inclusive J/{psi} Production in {Upsilon} Decay Via Color-Singlet Mechanism

    SciTech Connect (OSTI)

    He Zhiguo; Wang Jianxiong

    2011-05-23

    We report the recent works about the inclusive J/{psi} production in {Upsilon} decay. Our results show that until now the color-singlet (CS) contribution which includes leading order ({alpha}{sub s}{sup 5}){Upsilon}{yields}J/{psi}+cc-barg process and {alpha}{sub s}{sup 6} order {Upsilon}{yields}J/{psi}+gg(4g) process as well as {alpha}{sub s}{sup 2{alpha}2} order {Upsilon}{yields}J/{psi}+cc-bar and {Upsilon}{yields}J/{psi}+gg processes can not explain the experimental data yet. A preliminary CS prediction of R{sub cc} (B({Upsilon}{yields}J/{psi}+cc-bar+X)/B({Upsilon}{yields}J/{psi}+X)) 0.39{sub -0.20}{sup +0.21}, which is much larger than color-octet (CO) prediction, is also given as a good quantity to discriminate the CS and color-octet mechanism.

  1. C)

    Office of Legacy Management (LM)

    0 E, w-1 * -if 122" F>: * 72s -I woiz g r> 6" .. r N xl- ia 2, m ii g gg 9' fS 3 5: 3 f -i 2 2 23 3 r? z z e4.u bi gB nii 2, wr 2% IZ "-I F-3 4m ' 5 0 r ? < s ii P P ;5: QI . ...

  2. CP violating anomalous top-quark couplings at the LHC

    SciTech Connect (OSTI)

    Gupta, Sudhir Kumar; Mete, Alaettin Serhan; Valencia, G.

    2009-08-01

    We study the T odd correlations induced by CP violating anomalous top-quark couplings at both production and decay level in the process gg{yields}tt{yields}(b{mu}{sup +}{nu}{sub {mu}})(b{mu}{sup -}{nu}{sub {mu}}). We consider several counting asymmetries at the parton level and find the ones with the most sensitivity to each of these anomalous couplings at the LHC.

  3. Contribution of a pure NCG forbidden process to the Z associated Higgs production

    SciTech Connect (OSTI)

    Bradji, O.; Mebarki, N.

    2012-06-27

    The contribution of the pure NCG forbidden subprocess gg{yields}ZHis calculated. It is shown that the cross section becomes important at the LHC energies and depends strongly on the choice of the noncommutativity parameter. Because of the gluons luminosity inside the proton, it becomes comparable to that of the commutative standard model subprocess qq(bar sign)ZH for reasonable values of the NCG parameter.

  4. Evaluation of Preindustrial to Present-day Black Carbon and its Albedo Forcing from Atmospheric Chemistry and Climate Model Intercomparison Project (ACCMIP)

    SciTech Connect (OSTI)

    Lee, Y. H.; Lamarque, J.-F.; Flanner, M. G.; Jiao, C.; Shindell, Drew; Berntsen, T.; Bisiauxs, M.; Cao, J.; Collins, W. J.; Curran, M.; Edwards, R.; Faluvegi, G.; Ghan, Steven J.; Horowitz, L.; McConnell, J.R.; Ming, J.; Myhre, G.; Nagashima, T.; Naik, Vaishali; Rumbold, S.; Skeie, R. B.; Sudo, K.; Takemura, T.; Thevenon, F.; Xu, B.; Yoon, Jin-Ho

    2013-03-05

    As a part of the Atmospheric Chemistry and Climate Model Intercomparison Project (ACCMIP), we evaluate the historical black carbon (BC) aerosols simulated by 8 ACCMIP models against the observations including 12 ice core records, a long-term surface mass concentrations and recent Arctic BC snowpack measurements. We also estimate BC albedo forcing by performing additional simulations using the NCAR Community Land and Sea-Ice model 4 with prescribed meteorology from 1996-2000, which includes the SNICAR BC-snow model. We evaluated the vertical profile of BC snow concentrations from these offline simulations to using recent BC snowpack measurements. Despite using the same BC emissions, global BC burden differs by approximately a factor of 3 among models due to the differences in aerosol removal parameterizations and simulated meteorology among models; 34 Gg to 103 Gg in 1850 and 82 Gg to 315 Gg in 2000. However,models agree well on 2.5~3 times increase in the global BC burden from preindustrial to present-day, which matches with the 2.5 times increase in BC emissions. We find a large model diversity at both NH and SH high latitude regions for BC burden and at SH high latitude regions for deposition fluxes. The ACCMIP simulations match the observed BC mass concentrations well in Europe and North America except at Jungfrauch and Ispra. However, the models fail to capture the Arctic BC seasonality due tosevere underestimations during winter and spring. Compared to recent snowpack measurements, the simulated vertically resolved BC snow concentrations are, on average, within a factor of 2-3 of observations except for Greenland and Arctic Ocean. However, model and observation differ widely due to missing interannual variations in emissions and possibly due to the choice of the prescribed meteorology period (i.e., 1996-2000).

  5. Natural h{yields}4g in supersymmetric models and R-hadrons at the LHC

    SciTech Connect (OSTI)

    Luty, Markus A.; Phalen, Daniel J.; Pierce, Aaron

    2011-04-01

    We construct a simple and natural supersymmetric model where the dominant Higgs decay is h{yields}aa followed by a{yields}gg. In this case m{sub h}gg. The a is a pseudo-Nambu-Goldstone boson of a new global U(1) symmetry, and can naturally have any mass from a few GeV to m{sub h}/2. All interactions can be perturbative up to the GUT scale, and gauge coupling unification is preserved if the colored mediators come in complete GUT representations. In this case a{yields}{gamma}{gamma} has a {approx}1% branching ratio, so h{yields}gg{gamma}{gamma} may be observable. The colored particles that mediate the a{yields}gg decay must be below the TeV scale, and can therefore be produced at the LHC. If these particles are stable on collider time scales, they will appear as R-hadrons, a signal visible in early LHC running. A smoking-gun signal that the stable colored particles are mediators of h{yields}4j is R-hadron production in association with an a. We show that this signal with a{yields}{gamma}{gamma} is observable at the LHC with as little as 10 fb{sup -1} of integrated luminosity. Observation of R-hadrons plus missing energy would show that the superpartner of the R-hadron is R-parity odd, and therefore not an ordinary quark or gluon.

  6. Transport rates and momentum isotropization of gluon matter in ultrarelativistic heavy-ion collisions

    SciTech Connect (OSTI)

    Xu Zhe; Greiner, Carsten

    2007-08-15

    To describe momentum isotropization of gluon matter produced in ultrarelativistic heavy-ion collisions, the transport rate of gluon drift and the transport collision rates of elastic (gg{r_reversible}gg) as well as inelastic (gg{r_reversible}ggg) perturbative quantum chromodynamics- (pQCD) scattering processes are introduced and calculated within the kinetic parton cascade Boltzmann approach of multiparton scatterings (BAMPS), which simulates the space-time evolution of partons. We define isotropization as the development of an anisotropic system as it reaches isotropy. The inverse of the introduced total transport rate gives the correct time scale of the momentum isotropization. The contributions of the various scattering processes to the momentum isotropization can be separated into the transport collision rates. In contrast to the transport cross section, the transport collision rate has an indirect but correctly implemented relationship with the collision-angle distribution. Based on the calculated transport collision rates from BAMPS for central Au+Au collisions at Relativistic Heavy Ion Collider energies, we show that pQCD gg{r_reversible}ggg bremsstrahlung processes isotropize the momentum five times more efficiently than elastic scatterings. The large efficiency of the bremsstrahlung stems mainly from its large momentum deflection. Due to kinematics, 2{yields}N (N>2) production processes allow more particles to become isotropic in momentum space and thus kinetically equilibrate more quickly than their back reactions or elastic scatterings. We also show that the relaxation time in the relaxation time approximation, which is often used, is strongly momentum dependent and thus cannot serve as a global quantity that describes kinetic equilibration.

  7. Photocatalytic probing of DNA sequence by using TiO{sub 2}/dopamine-DNA triads.

    SciTech Connect (OSTI)

    Liu, J.; de la Garza, L.; Zhang, L.; Dimitrijevic, N. M.; Zuo, X.; Tiede, D. M.; Rajh, T.

    2007-10-15

    A method to control charge transfer reaction in DNA using hybrid nanometer-sized TiO{sub 2} nanoparticles was developed. In this system extended charge separation reflects the sequence of DNA and was measured using metallic silver deposition or by photocurrent response. Light-induced extended charge separation in these systems was found to be dependent on the DNA-bridge length and sequence. The yield of photocatalytic deposition of silver was studied in systems having GG accepting sites imbedded in AT runs at varying distances from the TiO{sub 2} nanoparticle surface. Weak distance dependence of charge separation indicative of a hole hopping through mediating adenine (A) sites was found. The quantum yield of silver deposition in the system having a GG accepting site placed 8.5 {angstrom} from the nanoparticle surface was found to be {Phi} = 0.70 (70%) and {Phi} = 0.56 (56%) for (A){sub n} and (AT){sub n/2} bridge, respectively. Hole injection to GG trapping sites as far as 70 {angstrom} from a nanoparticle surface in the absence of G hopping sites was measured. Introduction of G hopping sites increased the efficiency of hole injection. The efficiency of photocatalytic deposition of metallic silver was found to be sensitive to the presence of a single nucleobase mismatch in the DNA sequence.

  8. Informal Preliminary Report on Comparisons of Prototype SPN-1 Radiometer to PARSL Measurements

    SciTech Connect (OSTI)

    Long, Charles N.

    2014-06-17

    The prototype SPN-1 has been taking measurements for several months collocated with our PNNL Atmospheric Remote Sensing Laboratory (PARSL) solar tracker mounted instruments at the Pacific Northwest National Laboratory (PNNL) located in Richland, Washington, USA. The PARSL radiometers used in the following comparisons consist of an Eppley Normal Incident Pyrheliometer (NIP) and a shaded Eppley model 8-48 “Black and White” pyrgeometer (B&W) to measure the direct and diffuse shortwave irradiance (SW), respectively. These instruments were calibrated in mid-September by comparison to an absolute cavity radiometer directly traceable to the world standard group in Davos, Switzerland. The NIP calibration was determined by direct comparison, while the B&W was calibrated using the shade/unshade technique. All PARSL data prior to mid-September have been reprocessed using the new calibration factors. The PARSL data are logged as 1-minute averages from 1-second samples. Data used in this report span the time period from June 22 through December 1, 2006. All data have been processed through the QCRad code (Long and Shi, 2006), which itself is a more elaborately developed methodology along the lines of that applied by the Baseline Surface Radiation Network (BSRN) Archive (Long and Dutton, 2004), for quality control. The SPN-1 data are the standard total and diffuse SW values obtained from the analog data port of the instrument. The comparisons use only times when both the PARSL and SPN-1 data passed all QC testing. The data were further processed and analyzed by application of the SW Flux Analysis methodology (Long and Ackerman, 2000; Long and Gaustad, 2004, Long et al., 2006) to detect periods of clear skies, calculate continuous estimates of clear-sky SW irradiance and the effect of clouds on the downwelling SW, and estimate fractional sky cover.

  9. Spatial Variability of Surface Irradiance Measurements at the Manus ARM Site

    SciTech Connect (OSTI)

    Riihimaki, Laura D.; Long, Charles N.

    2014-05-16

    The location of the Atmospheric Radiation Measurement (ARM) site on Manus island in Papua New Guinea was chosen because it is very close the coast, in a geographically at, near-sea level area of the island, minimizing the impact of local island effects on the meteorology of the measurements [Ackerman et al., 1999]. In this study, we confirm that the Manus site is in deed less impacted by the island meteorology than slightly inland by comparing over a year of broadband surface irradiance and ceilometer measurements and derived quantities at the standard Manus site and a second location 7 km away as part of the AMIE-Manus campaign. The two sites show statistically similar distributions of irradiance and other derived quantities for all wind directions except easterly winds, when the inland site is down wind from the standard Manus site. Under easterly wind conditions, which occur 17% of the time, there is a higher occurrence of cloudiness at the down wind site likely do to land heating and orographic effects. This increased cloudiness is caused by shallow, broken clouds often with bases around 700 m in altitude. While the central Manus site consistently measures a frequency of occurrence of low clouds (cloud base height less than 1200 m) about 25+4% regardless of wind direction, the AMIE site has higher frequencies of low clouds (38%) when winds are from the east. This increase in low, locally produced clouds causes an additional -20 W/m2 shortwave surface cloud radiative effect at the AMIE site in easterly conditions than in other meteorological conditions that exhibit better agreement between the two sites.

  10. Functional Promoter Variant rs2868371 of HSPB1 Is Associated With Risk of Radiation Pneumonitis After Chemoradiation for Non-Small Cell Lung Cancer

    SciTech Connect (OSTI)

    Pang, Qingsong; Department of Radiation Oncology and Lung Cancer Center, Tianjin Medical University Cancer Institute and Hospital, Key Laboratory of Cancer Prevention and Therapy, Tianjin ; Wei, Qingyi; Xu, Ting; Yuan, Xianglin; Lopez Guerra, Jose Luis; Levy, Lawrence B.; Liu, Zhensheng; Gomez, Daniel R.; Zhuang, Yan; Wang, Li-E.; Mohan, Radhe; Komaki, Ritsuko; Liao, Zhongxing

    2013-04-01

    Purpose: To date, no biomarkers have been found to predict, before treatment, which patients will develop radiation pneumonitis (RP), a potentially fatal toxicity, after chemoradiation for lung cancer. We investigated potential associations between single nucleotide polymorphisms (SNPs) in HSPB1 and risk of RP after chemoradiation for non-small cell lung cancer (NSCLC). Methods and Materials: Subjects were patients with NSCLC treated with chemoradiation at 1 institution. The training data set comprised 146 patients treated from 1999 to July 2004; the validation data set was 125 patients treated from August 2004 to March 2010. We genotyped 2 functional SNPs of HSPB1 (rs2868370 and rs2868371) from all patients. We used Kaplan-Meier analysis to assess the risk of grade ≥2 or ≥3 RP in both data sets and a parametric log-logistic survival model to evaluate the association of HSPB1 genotypes with that risk. Results: Grade ≥3 RP was experienced by 13% of those with CG/GG and 29% of those with CC genotype of HSPB1 rs2868371 in the training data set (P=.028); corresponding rates in the validation data set were 2% CG/GG and 14% CC (P=.02). Univariate and multivariate analysis confirmed the association of CC of HSPB1 rs2868371 with higher risk of grade ≥3 RP than CG/GG after adjustment for sex, age, performance status, and lung mean dose. This association was validated both in the validation data set and with Harrell's C statistic. Conclusions: The CC genotype of HSPB1 rs2868371 was associated with severe RP after chemoradiation for NSCLC.

  11. Bridging the Gap between Theory and Experiments - Nano-structural Changes in Supported Catalysts under Operating Conditions

    SciTech Connect (OSTI)

    Narula, Chaitanya Kumar; Allard Jr, Lawrence Frederick; Blom, Douglas Allen; Debusk, Melanie Moses

    2008-01-01

    Computational approaches have been limited to examining catalytic processes using models that have been greatly simplified in comparison to real catalysts. Experimental studies, especially on emission treatment catalysts, have primarily focused on fully formulated systems. Thus, there remains a knowledge gap between theory and experiments. We combine the power of theory and experiment for atomistic design of catalytically active sites that can translate the fundamental insights gained directly to a catalyst system suitable for technical deployment. In this article, we describe our results on a model platinum-alumina catalyst that is a common constituent of emission treatment catalysts such as three-way, NO/dx trap, oxidation, and HC-SCR catalysts. We present theoretical and experimental studies of the oxidation and reactivity of Pt catalyst clusters towards O, CO, and NO/dx. Our theoretical studies indicate that the reaction energetics are strongly dependent on the size of the clusters as well as the extent of oxidation of the clusters, and the energetics of CO and NO oxidation may be more favorable on the oxidized clusters than metallic clusters because of the weakened adsorption of O, CO and NO. Experimentally, we have observed that the aberration-corrected HA-ADF STEM images of Pt/gg-alumina support show that there are single atoms, 2-3 atom clusters, and several 10-20 atom clusters of Pt. We also found that the Pt particles size has an impact on CO oxidation initiation and completion temperatures. Substrate effects were studied for equivalent Pt particle size distributions on both gu-alumina and gg-alumina supports. Particle size effects were investigated on Pt/gg-alumina catalysts with Pt particle size distribution centered at 1 nm and 12 nm, respectively. We will describe our results on substrate and Pt particle size effects. In addition, we will also present our study of nano-structural changes in model catalysts on exposure to various reaction conditions.

  12. How perfect can a gluon plasma be in perturbative QCD?

    SciTech Connect (OSTI)

    Chen, Jiunn-Wei; Deng Jian; Dong Hui; Wang Qun

    2011-02-01

    The shear viscosity to entropy density ratio, {eta}/s, characterizes how perfect a fluid is. We calculate the leading order {eta}/s of a gluon plasma in perturbation using the kinetic theory. The leading order contribution only involves the elastic gg{r_reversible}gg (22) process and the inelastic gg{r_reversible}ggg (23) process. The hard-thermal-loop (HTL) treatment is used for the 22 matrix element, while the exact matrix element in vacuum is supplemented by the gluon Debye mass insertion for the 23 process. Also, the asymptotic mass is used for the external gluons in the kinetic theory. The errors from not implementing HTL and the Landau-Pomeranchuk-Migdal effect in the 23 process, and from the uncalculated higher order corrections, are estimated. Our result smoothly connects the two different approximations used by Arnold, Moore, and Yaffe (AMY) and Xu and Greiner (XG). At small {alpha}{sub s} ({alpha}{sub s}<<1), our result is closer to AMY's collinear result while at larger {alpha}{sub s} the finite angle noncollinear configurations become more important and our result is closer to XG's soft bremsstrahlung result. In the region where perturbation is reliable ({alpha}{sub s} < or approx. 0.1), we find no indication that the proposed perfect fluid limit {eta}/s{approx_equal}1/(4{pi}) can be achieved by perturbative QCD alone. Whether this can be achieve for {alpha}{sub s} > or approx. 0.1 is still an open question.

  13. The polymorphisms of P53 codon 72 and MDM2 SNP309 and renal cell carcinoma risk in a low arsenic exposure area

    SciTech Connect (OSTI)

    Huang, Chao-Yuan; Department of Urology, National Taiwan University Hospital, College of Medicine National Taiwan University, Taipei, Taiwan ; Su, Chien-Tien; Chu, Jan-Show; Department of Pathology, College of Medicine, Taipei Medical University, Taipei, Taiwan ; Huang, Shu-Pin; Pu, Yeong-Shiau; Yang, Hsiu-Yuan; Chung, Chi-Jung; Department of Health Risk Management, College of Public Health, China Medical University, Taichung, Taiwan ; Wu, Chia-Chang; Department of Urology, Taipei Medical Universtiy-Shuang Ho Hospital, Taipei, Taiwan ; Hsueh, Yu-Mei; Department of Public Health, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan

    2011-12-15

    Our recent study demonstrated the increased risk of renal cell carcinoma (RCC) associated with high urinary total arsenic levels among people living in a low arsenic exposure area. Genomic instability is important in arsenic carcinogenesis. This study evaluated the relationship between the polymorphisms of p53, p21, and MDM2, which plays a role in gene stability, and the arsenic-related RCC risk. Here, we found that p53 Pro/Pro genotype and MDM2 SNP309 GG genotype significantly increased RCC risk compared to the p53 Arg/Arg genotype and MDM2 SNP309 TT genotype. RCC patients with the p53Arg/Arg genotype had a signicantly low percentage of inorganic arsenic, a low percentage of monomethylarsonic acid (MMA), and a high percentage of dimethylarsinic acid (DMA), which indicates efcient arsenic methylation capacity. Subjects with the p53 Arg/Pro + Pro/Pro genotype or MDM2 SNP309 TG + GG genotype, in conjunction with high urinary total arsenic ({>=} 14.02 {mu}g/L), had a signicantly higher RCC risk than those with the p53 Arg/Arg or MDM2 SNP309 TT genotypes and low urinary total arsenic. Taken together, this is the first study to show that a variant genotype of p53 Arg{sup 72}Pro or MDM2 SNP309 may modify the arsenic-related RCC risk even in a non-obvious arsenic exposure area. -- Highlights: Black-Right-Pointing-Pointer Subjects with p53 Pro/Pro or MDM2 GG genotype significantly increased RCC risk. Black-Right-Pointing-Pointer A significant multiplicative joint effect of p53 and p21 on RCC risk. Black-Right-Pointing-Pointer RCC patients with p53 Arg/Arg genotype had efficient arsenic methylation capacity. Black-Right-Pointing-Pointer Joint effect of p53 or MDM2 genotype and high urinary total arsenic on RCC risk.

  14. Structure of an n-butane monolayer adsorbed on magnesium oxide (100)

    SciTech Connect (OSTI)

    Arnold, T.; Chanaa, S.; Cook, R. E.; Clarke, S. M.; Larese, J. Z.

    2006-08-15

    Neutron diffraction has been used to characterize the structure of the solid phase of the completed monolayer of n butane on the MgO(100) surface at low temperature. The monolayer is found to adopt a commensurate (7{radical}(2)x{radical}(2)R45 deg. ) structure with lattice constants a=29.47 A ring and b=4.21 A ring , P{sub 2gg} symmetry and four molecules in the unit cell. Excellent agreement with the experimental diffraction pattern is realized, using a Lorenztian profile to describe the line shape.

  15. Greenhouse gas emissions from landfill leachate treatment plants: A

    Office of Scientific and Technical Information (OSTI)

    comparison of young and aged landfill (Journal Article) | SciTech Connect Greenhouse gas emissions from landfill leachate treatment plants: A comparison of young and aged landfill Citation Details In-Document Search Title: Greenhouse gas emissions from landfill leachate treatment plants: A comparison of young and aged landfill Highlights: * Young and aged leachate works accounted for 89.1% and 10.9% of 33.35 Gg CO{sub 2} yr{sup -1}. * Fresh leachate owned extremely low ORP and high organic

  16. Rare earth element patterns in biotite, muscovite and tourmaline minerals

    SciTech Connect (OSTI)

    Laul, J.C.; Lepel, E.A.

    1986-04-21

    Rare earth element concentrations in the minerals biotite and muscovite from the mica schist country rocks of the Etta pegmatite and tourmalines from the Bob Ingersoll pegmatite have been measured by INAA and CNAA. The concentrations range from 10/sup -4/ g/g to 10/sup -10g//sub g/. The REE patterns of biotite, muscovite and tourmaline reported herein are highly fractionated from light to heavy REE. The REE concentrations in biotite and muscovite are high and indigenous. The pegmatite tourmalines contain low concentrations of REE. Variations in tourmaline REE patterns reflect the geochemical evolution of pegmatite melt/fluid system during crystallization.

  17. The heavy Top Quark Partner in Little Higgs Models

    SciTech Connect (OSTI)

    Larios, F.; Perez, M. A.; Penunuri, F.

    2008-07-02

    Little Higgs models provide a natural explanation for the lightness of the Higgs mass. Through the mechanism of collective symmetry breaking, one loop quadratic divergent contributions to the Higgs mass are avoided. In these models a heavy partner of the Top quark appears as required to cancel out the Top's loop contribution. This heavy Top could be produced at the LHC mainly in the single mode. Because of flavor mixing a large FCNC gtT coupling can be generated at one loop that could boost the single T production mode through gg fusion.

  18. One-loop gluon amplitude for heavy-quark production at next-to-next-to-leading order

    SciTech Connect (OSTI)

    Anastasiou, Charalampos; Aybat, S. Mert

    2008-12-01

    We compute the one-loop QCD amplitude for the process gg{yields}QQ in dimensional regularization through order {epsilon}{sup 2} in the dimensional regulator and for arbitrary quark mass values. This result is an ingredient of the next-to-next-to-leading order cross section for heavy-quark production at hadron colliders. The calculation is performed in conventional dimensional regularization using well-known reduction techniques as well as a method based on recent ideas for the functional form of one-loop integrands in four dimensions.

  19. Polarization test of Higgs spin and parity

    SciTech Connect (OSTI)

    Arash, Firooz

    2015-04-10

    Photon polarization measurements provide a model independent determination of the spin and the parity of the Higgs resonance. The test described here is based on very general principles and is completely independent of dynamical assumptions. A set of observables are identified that discriminate resonances with J{sup P} = 0{sup +}, 0{sup −}, 2{sup −} and 2{sup +}. Furthermore, the same set can be used to gain useful and important information on the magnitude of each helicity amplitude contributing to the gg → γγ process.

  20. The potential effect of metallothionein 2A - 5 A/G single nucleotide polymorphism on blood cadmium, lead, zinc and copper levels

    SciTech Connect (OSTI)

    Kayaalti, Zeliha Aliyev, Vugar; Soeylemezoglu, Tuelin

    2011-10-01

    Metallothioneins (MTs) are low molecular weight, cysteine-rich, metal-binding proteins. Because of their rich thiol groups, MTs bind to the biologically essential metals and perform these metals' homeostatic regulations; absorb the heavy metals and assist with their transportation and extraction. The aim of this study was to investigate the association between the metallothionein 2A (MT2A) core promoter region - 5 A/G single nucleotide polymorphism (SNP) and Cd, Pb, Zn and Cu levels in the blood samples. MT2A polymorphism was determined by the standard polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) technique using the 616 blood samples and the genotype frequencies were found as 86.6% homozygote typical (AA), 12.8% heterozygote (AG) and 0.6% homozygote atypical (GG). Metal levels were analyzed by dual atomic absorption spectrophotometer system and the average levels of Cd, Pb, Zn and Cu in the blood samples were 1.69 {+-} 1.57 ppb, 30.62 {+-} 14.13 ppb, 0.98 {+-} 0.49 ppm and 1.04 {+-} 0.45 ppm, respectively. As a result; highly statistically significant associations were detected between the - 5 A/G core promoter region SNP in the MT2A gene and Cd, Pb and Zn levels (p = 0.004, p = 0.012 and p = 0.002, respectively), but no association was found with Cu level (p = 0.595). Individuals with the GG genotype had statistically lower Zn level and higher Cd and Pb levels in the blood samples than individuals with AA and AG genotypes. This study suggests that having the GG genotype individuals may be more sensitive for the metal toxicity and they should be more careful about protecting their health against the toxic effects of the heavy metals. - Highlights: > MT2A -5A/G SNP has strong effect on the Cd, Pb and Zn levels in the blood. > MT2A GG individuals should be more careful for their health against metal toxicity. > This SNP might be considered as a biomarker for risk of disease related to metals.

  1. Explicit CP violation in the MSSM Higgs sector

    SciTech Connect (OSTI)

    Hesselbach, S.; Moretti, S.; Munir, S.; Poulose, P.

    2010-02-10

    We analysed the sensitivity of the process gg->H{sub 1}->gammagamma to the explicitly CP-violating phases phi{sub m}u and phi{sub A{sub f}} in the Minimal Supersymmetric Standard Model (MSSM) at the Large Hadron Collider (LHC), where H{sub 1} is the lightest Supersymmetric Higgs boson. We conclude that depending on these phases, the overall production and decay rates of H{sub 1} can vary up to orders of magnitude compared to the CP-conserving case.

  2. LHC Physics Potential vs. Energy: Considerations for the 2011 Run

    SciTech Connect (OSTI)

    Quigg, Chris; /Fermilab /CERN

    2011-02-01

    Parton luminosities are convenient for estimating how the physics potential of Large Hadron Collider experiments depends on the energy of the proton beams. I quantify the advantage of increasing the beam energy from 3.5 TeV to 4 TeV. I present parton luminosities, ratios of parton luminosities, and contours of fixed parton luminosity for gg, u {bar d}, qq, and gq interactions over the energy range relevant to the Large Hadron Collider, along with example analyses for specific processes. This note extends the analysis presented in Ref. [1]. Full-size figures are available as pdf files at lutece.fnal.gov/PartonLum11/.

  3. Methods for detection of methyl-CpG dinucleotides

    DOE Patents [OSTI]

    Dunn, John J.

    2013-01-29

    The invention provides methods for enriching methyl-CpG sequences from a DNA sample. The method makes use of conversion of cytosine residues to uracil under conditions in which methyl-cytosine residues are preserved. Additional methods of the invention enable to preservation of the context of me-CpG dinucleotides. The invention also provides a recombinant, full length and substantially pure McrA protein (rMcrA) for binding and isolation of DNA fragments containing the sequence 5'-C.sup.MeCpGG-3'. Methods for making and using the rMcrA protein, and derivatives thereof are provided.

  4. Methods for detection of methyl-CpG dinucleotides

    DOE Patents [OSTI]

    Dunn, John J.

    2012-09-11

    The invention provides methods for enriching methyl-CpG sequences from a DNA sample. The method makes use of conversion of cytosine residues to uracil under conditions in which methyl-cytosine residues are preserved. Additional methods of the invention enable to preservation of the context of me-CpG dinucleotides. The invention also provides a recombinant, full length and substantially pure McrA protein (rMcrA) for binding and isolation of DNA fragments containing the sequence 5'-C.sup.MeCpGG-3'. Methods for making and using the rMcrA protein, and derivatives thereof are provided.

  5. Methods for detection of methyl-CpG dinucleotides

    DOE Patents [OSTI]

    Dunn, John J

    2013-11-26

    The invention provides methods for enriching methyl-CpG sequences from a DNA sample. The method makes use of conversion of cytosine residues to uracil under conditions in which methyl-cytosine residues are preserved. Additional methods of the invention enable to preservation of the context of me-CpG dinucleotides. The invention also provides a recombinant, full length and substantially pure McrA protein (rMcrA) for binding and isolation of DNA fragments containing the sequence 5'-C.sup.MeCpGG-3'. Methods for making and using the rMcrA protein, and derivatives thereof are provided.

  6. ANALYTICAL DATA SHEET ANALYTICAL DEPT. - HEALTH Al\rD SAFETY DlVlSlON

    Office of Legacy Management (LM)

    em IVIL, u-3 1' 1L, I -' I ANALYTICAL DATA SHEET ANALYTICAL DEPT. - HEALTH Al\rD SAFETY DlVlSlON 1956 1. H.# fL22 Industrial Hygiene or Medical Dept. Sample Nor& 3 Date Collected- 5117 by --Route to CES CES r Location IQJKER-PEMJNS Co- Type of Sample-waternalyzed for F Alpha Remarks -&I GG -- u - Beta Samples of water discharged to river during Steam clean- No, Ra ing of equipment. Oil PH Be Th Sample No. Hour Sample Description (RT Please analyze for gm/U/gal. BP-1 P- RO-Kneader BP-2 K-

  7. DESIGNATION SURVEY ADDENDUM REPORT II COMBUSTION ENGINEERING SITE

    Office of Legacy Management (LM)

    ,111 DESIGNATION SURVEY ADDENDUM REPORT II COMBUSTION ENGINEERING SITE *I W INDSOR, CONNECTICUT 111 E. W . ABELQUIST Prepared for the Office of Environmental Restoration U.S. Department of Energy I- II I- .:jj;jiE// .:::=::::: .ipij!li' ,:::i::.:. ..::I::::/. ,:ii~iiiiai, ..' iiiiiiiiii!!liiii~~~~,~:~:. ~i!i.~iii~' :' -' +g?' gg;; ,- ZY :i/ .:;i" .:!! .:::a .(/i?j i:/i;jl? I!kr ' -:~i~jg~;...,.;, ..,::&Si! :(j)//ji//(!: 3.. :jijiiiiiiqi:wi l~,. ,,v..::;:~/j~B/; g#;$ .;::::::::::!

  8. DOE F

    Office of Legacy Management (LM)

    1325.8. (8-89) EFO IO?-90) United States Government Department of Energy memorandum _._ ._, \\--C' - ,, 0, DATE: AUG 3, 9 !gg4 \c. -7 REPLY TO AlTN OF: Eli-421 (U. A. Williillas, 427-1719) SUBJECT: Elimination of the Sites from the Formerly Utilized Sites Remedial Actieu Program To' The File In 1990, with the assistance of Mr. Doug Tonkay and Ms. Michelle Landis, I reviewed a number of sites that had formerly provided goods and/or services to the Fernald facility as subcontractors. For 24 of

  9. The Honorable Aaron Thompson.

    Office of Legacy Management (LM)

    \ Departmet? of Energy Washington. DC 20585 j FEB.16 1gg5 ' ~.. The Honorable Aaron Thompson. 6th Market Streets ,, Camden, New, Jersey 08101 :., , _ I / Dear Mayor Thompson: , . . . ...: _ ,. Secretary of Energy Hazel O'Leary has,announced a new.approach to a the Department of Energy (DOE) and its communications with the pub1 support of this initiative, we are pleased to forward the enclosed , related to then former New York Shipbuilding'corp. site in your juri that performed work for DOE or

  10. The Honorable Gene Dean

    Office of Legacy Management (LM)

    Energy' .' Washington, DC 20585 DE! 14 1gg4 The Honorable Gene Dean \ P.O. Box 1659~ L Huntington, West Virginia 25717 _ ',.. : Dear Mayor Dean: Secretary of Energy Hazel O'Leary has'announced,a new approach ,to openness in the'Department of Energy (DOE) and its communications with the public. In support of this in.itiative, we are pleased,to forward the..enclosed information related to the former Reduction Pilot Plant sitein your jurisdiction that performed work for DOE predecessor agencies.

  11. The Honorable Peter J. Sferrazza

    Office of Legacy Management (LM)

    Departnjetit of ,Ehergy ' ' ; /~, Washington, DC 20585 ,. z;iN 1; ,:;gg' i. ,, The Honorable Peter J. Sferrazza -490 South.Center Street '. ' .. , j 0 m b,: 0 ".' ..' ,' . Reno, Nevada 89501 .' Dear Mayor'sferrazza: . .,, . .(. ,I .' Secretary of Energy' Wazel O'Leary has,announced ,a'new approach to openness:in the bepartment,of Energy (DOE). and its communications~with,the p.ublic. In support of this' initiative, we' are pleased to forward the enclosed information . : related to the

  12. United States Government

    Office of Legacy Management (LM)

    # Xx i' !325 8 I c&egJw, i&l d, 4 -1 United States Government Department of Energy DATE; AUG 3, 9 !gg4 I REPLYTo m-421 (W. A. Williams, 427-1719) sy I AlTN OF: SUBJECT: Elimination of the Sites from the Formerly Utilized Sites Remedial Action Program To' The File In 1990, with the assistance of Mr. Doug Tonkay and Ms. Nichelle Landis, I reviewed a number of sites that had formerly provided goods a&/or services to the Fernald facility as subcontractors. For 24 of these sites,

  13. United States Government Department of Energy DATE:

    Office of Legacy Management (LM)

    kE FJ325.8 d& * 9 -1 . (8-89) ZFG fO7440 1 United States Government Department of Energy DATE: DEC 2 3 :gg3 REPLY TO ATTN OF: EM-421 (W. A. Williams, 903-8149) SUBJECT: Elimination of the Sites from the Formerly Utilized Sites Remedial Action Program TO: The File I have reviewed the attached site summaries and elimination recommendations for the following sites: e l Mitts & Merrel Co., Saginaw, Michigan l North Carolina State University, Raleigh, North Carolina l National Smelt &

  14. I I I I

    Office of Legacy Management (LM)

    .-I -I ,I I I I I I I ' I I I I I ,I OAK RIDGE NATIONAL LABORATORY HANAGEG BY AAATIN MARIETTA ENERGY SYSTEMS, INC. :GG THE UNITED STATES IEPAATMENT OF ENERGY w ORNLIRASA-9012 PRELIMINARY SITE SURVEY REPORT OF THE COPPERWELD STEEL COMPANY, 4000 MAHONING AVENUE, NW, WARREN, OHIO (cwoool) R. D. Foley L M. Floyd Thii report has been reproduced directty from the best avail&a copy. Availabie to DOE and DOE cmtractora from the Office ol SclentSk and Technb cal Infomtlon. P.O. Box 62. Oak R&m.

  15. Field-to-Fuel Performance Testing of Lignocellulosic Feedstocks: An Integrated Study of the Fast Pyrolysis/Hydrotreating Pathway

    SciTech Connect (OSTI)

    Howe, Daniel T.; Westover, Tyler; Carpenter, Daniel; Santosa, Daniel M.; Emerson, Rachel; Deutch, Steve; Starace, Anne; Kutnyakov, Igor V.; Lukins, Craig D.

    2015-05-21

    Feedstock composition can affect final fuel yields and quality for the fast pyrolysis and hydrotreatment upgrading pathway. However, previous studies have focused on individual unit operations rather than the integrated system. In this study, a suite of six pure lignocellulosic feedstocks (clean pine, whole pine, tulip poplar, hybrid poplar, switchgrass, and corn stover) and two blends (equal weight percentages whole pine/tulip poplar/switchgrass and whole pine/clean pine/hybrid poplar) were prepared and characterized at Idaho National Laboratory. These blends then underwent fast pyrolysis at the National Renewable Energy Laboratory and hydrotreatment at Pacific Northwest National Laboratory. Although some feedstocks showed a high fast pyrolysis bio-oil yield such as tulip poplar at 57%, high yields in the hydrotreater were not always observed. Results showed overall fuel yields of 15% (switchgrass), 18% (corn stover), 23% (tulip poplar, Blend 1, Blend 2), 24% (whole pine, hybrid poplar) and 27% (clean pine). Simulated distillation of the upgraded oils indicated that the gasoline fraction varied from 39% (clean pine) to 51% (corn stover), while the diesel fraction ranged from 40% (corn stover) to 46% (tulip poplar). Little variation was seen in the jet fuel fraction at 11 to 12%. Hydrogen consumption during hydrotreating, a major factor in the economic feasibility of the integrated process, ranged from 0.051 g/g dry feed (tulip poplar) to 0.070 g/g dry feed (clean pine).

  16. Comparison between continuous stirred tank reactor extractor and soxhlet extractor for extraction of El-Lajjun oil shale

    SciTech Connect (OSTI)

    Anabtawi, M.Z. [Univ. of Bahrain, Isa Town (Bahrain)

    1996-02-01

    Extraction on El-Lajjun oil shale in a continuous stirred tank reactor extractor (CSTRE) and a Soxhlet extractor was carried out using toluene and chloroform as solvents. Solvents were recovered using two distillation stages, a simple distillation followed by a fractional distillation. Gas chromotography was used to test for the existence of trapped solvent in the yield. It was found that extraction using a CSTRE gave a 12% increase in yield on average compared with the Soxhlet extractor, and an optimum shale size of 1.0mm offered a better yield and solvent recovery for both techniques. It was also found that an optimum ratio of solvent to oil shale of 2:1 gave the best oil yield. The Soxhlet extractor was found to offer an extraction rate of 1 hour to complete extraction compared with 4 hours in a CSTRE. The yield in a CSTRE was found to increase on increase of stirring. When extraction was carried out at the boiling point of the solvents in a CSTRE, the yield was found to increase by 30% on average compared to that of extraction when the solvent was at room temperature. When toluene was used for extraction, the average amount of bitumen extracted was 0.032 g/g of oil shale and 76.4% of the solvent recovered, compared with 0.037 g/g of oil shale and 84.1% of the solvent recovered using a Soxhlet extractor.

  17. Relationship between selenium body burdens and tissue concentrations in fish exposed to coal ash at the Tennessee Valley Authority Kingston spill site

    SciTech Connect (OSTI)

    Mathews, Teresa J; Fortner, Allison M; Jett, Robert T; Peterson, Mark J; Carriker, Neil; Morris, Jesse G; Gable, Jennifer

    2014-01-01

    In December 2008, 4.1 million m3 of coal ash were released into the Emory and Clinch Rivers by the Tennessee Valley Authority (TVA) Kingston Fossil Plant. Coal ash contains several contaminants, including the bioaccumulative metalloid selenium (Se). Because Se is predominantly accumulated in aquatic organisms through dietary, rather than aqueous exposure, tissue-based toxicity thresholds for Se are currently being considered. The proposed threshold concentrations range between 4-9 g/g Se (dry wt.) in whole body fish, with a proposed fillet threshold of 11.8 g/g. In the present study we examined the spatial and temporal trends in Se bioaccumulation and examined the relationship between the Se content in fillets and in whole bodies of fish collected around the Kingston spill site to determine whether Se bioaccumulation was a significant concern at the ash spill site. While Se concentrations in fish (whole bodies and fillets) were elevated at sampling locations affected by the Kingston ash spill relative to reference locations, concentrations do not appear to be above risk thresholds and have not been increasing over the five year period since the spill. Our results are not only relevant to guiding the human health and ecological risk assessments at the Kingston ash spill site, but because of current national discussions on appropriate guidelines for Se in fish as well for the disposal of coal combustion wastes, our results are also relevant to the general understanding of Se bioaccumulation in contaminated water bodies.

  18. Identification of multiple mercury sources to stream sediments near Oak Ridge, TN, USA

    SciTech Connect (OSTI)

    Donovan, Patrick M.; Blum, Joel D.; Demers, Jason D.; Gu, Baohua; Brooks, Scott C.; Peryam, John

    2014-03-03

    In this paper, sediments were analyzed for total Hg concentration (THg) and isotopic composition from streams and rivers in the vicinity of the Y-12 National Security Complex (Y12) in Oak Ridge, TN (USA). In the stream directly draining Y12, where industrial releases of mercury (Hg) have been documented, high THg (3.26 to 60.1 ?g/g) sediments had a distinct Hg isotopic composition (?202Hg of 0.02 0.15 and ?199Hg of -0.07 0.03; mean 1SD, n=12) compared to sediments from relatively uncontaminated streams in the region (?202Hg = -1.40 0.06 and ?199Hg of 0.26 0.03; mean 1SD, n=6). Additionally, several streams that are nearby but do not drain Y12 had sediments with intermediate THg (0.06 to 0.21 ?g/g) and anomalous ?202Hg (as low as -5.07). We suggest that the low ?202Hg values in these sediments provide evidence for the contribution of an additional Hg source to sediments, possibly derived from atmospheric deposition. In sediments directly downstream of Y12 this third Hg source is not discernible and the Hg isotopic composition can be largely explained by the mixing of low THg sediments with high THg sediments contaminated by Y12 discharges.

  19. Gluon-gluon contributions to W+ W- production and Higgs interference effects

    SciTech Connect (OSTI)

    Campbell, John M.; Ellis, R.Keith; Williams, Ciaran

    2011-07-01

    In this paper we complete our re-assessment of the production of W boson pairs at the LHC, by calculating analytic results for the gg {yields} W{sup +}W{sup -} {yields} {nu}{ell}{sup +}{ell}{sup -}{bar {nu}} process including the effect of massive quarks circulating in the loop. Together with the one-loop amplitudes containing the first two generations of massless quarks propagating in the loop, these diagrams can give a significant contribution with a large flux of gluons. One of the component parts of this calculation is the production of a standard model Higgs boson, gg {yields} H and its subsequent decay, H {yields} W{sup +}({yields} {nu}{ell}{sup +})W{sup -}({yields} {ell}{sup -}{bar {nu}}). We will quantify the importance of the interference between the Higgs boson production process and the gluon-induced continuum production in the context of searches for the Higgs boson at the Tevatron and the LHC. For instance, for m{sub H} < 140 GeV the effect of the interference typically results in around a 10% reduction in the expected number of Higgs signal events. The majority of this interference is due to non-resonant contributions. Therefore cuts on the transverse mass such as those currently used by the ATLAS collaboration reduce the destructive interference to about a 1% effect. We advocate that a cut on the maximum transverse mass be used in future Higgs searches in this channel.

  20. Effects of Landau quantization on the equations of state in intense laser plasma interactions with strong magnetic fields

    SciTech Connect (OSTI)

    Eliezer, Shalom; Norreys, Peter; Mendonca, Jose T.; Lancaster, Kate

    2005-05-15

    Recently, magnetic fields of 0.7({+-}0.1) gigaGauss (GG) have been observed in the laboratory in laser plasma interactions. From scaling arguments, it appears that a few gigaGauss magnetic fields may be within reach of existing petawatt lasers. In this paper, the equations of state (EOS) are calculated in the presence of these very large magnetic fields. The appropriate domain for electron degeneracy and for Landau quantization is calculated for the density-temperature domain relevant to laser plasma interactions. The conditions for a strong Landau quantization, for a magnetic field in the domain of 1-10 GG, are obtained. The role of this paper is to formulate the EOS in terms of those that can potentially be realized in laboratory plasmas. By doing so, it is intended to alert the experimental laser-plasma physics community to the potential of realizing Landau quantization in the laboratory for the first time since the theory was first formulated.

  1. Higgs boson pair production in new physics models at hadron, lepton, and photon colliders

    SciTech Connect (OSTI)

    Asakawa, Eri; Harada, Daisuke; Okada, Yasuhiro; Kanemura, Shinya; Tsumura, Koji

    2010-12-01

    We study Higgs boson pair production processes at future hadron and lepton colliders including the photon collision option in several new physics models; i.e., the two-Higgs-doublet model, the scalar leptoquark model, the sequential fourth generation fermion model and the vectorlike quark model. Cross sections for these processes can deviate significantly from the standard model predictions due to the one-loop correction to the triple Higgs boson coupling constant. For the one-loop induced processes such as gg{yields}hh and {gamma}{gamma}{yields}hh, where h is the (lightest) Higgs boson and g and {gamma} respectively represent a gluon and a photon, the cross sections can also be affected by new physics particles via additional one-loop diagrams. In the two-Higgs-doublet model and scalar leptoquark models, cross sections of e{sup +}e{sup -}{yields}hhZ and {gamma}{gamma}{yields}hh can be enhanced due to the nondecoupling effect in the one-loop corrections to the triple Higgs boson coupling constant. In the sequential fourth generation fermion model, the cross section for gg{yields}hh becomes very large because of the loop effect of the fermions. In the vectorlike quark model, effects are small because the theory has decoupling property. Measurements of the Higgs boson pair production processes can be useful to explore new physics through the determination of the Higgs potential.

  2. Antideuteron production in {upsilon}(nS) decays and the nearby continuum

    SciTech Connect (OSTI)

    Asner, D. M.; Edwards, K. W.; Briere, R. A.; Chen, J.; Ferguson, T.; Tatishvili, G.; Vogel, H.; Watkins, M. E.; Rosner, J. L.; Adam, N. E.; Alexander, J. P.; Berkelman, K.; Cassel, D. G.; Duboscq, J. E.; Ecklund, K. M.; Ehrlich, R.; Fields, L.; Galik, R. S.; Gibbons, L.; Gray, R.

    2007-01-01

    Using CLEO data, we study the production of the antideuteron, d, in {upsilon}(nS) resonance decays and the nearby continuum. The branching ratios obtained are B{sup dir}({upsilon}(1S){yields}dX)=(3.36{+-}0.23{+-}0.25)x10{sup -5}, B({upsilon}(1S){yields}dX)=(2.86{+-}0.19{+-}0.21)x10{sup -5}, and B({upsilon}(2S){yields}dX)=(3.37{+-}0.50{+-}0.25)x10{sup -5}, where the 'dir' superscript indicates that decays produced via reannihilation of the bb pair to a {gamma}* are removed from both the signal and the normalizing number of {upsilon}(1S) decays in order to isolate direct decays of the {upsilon}(1S) to ggg, gg{gamma}. Upper limits at 90% C.L. are given for B({upsilon}(4S){yields}dX)<1.3x10{sup -5}, and continuum production {sigma}(e{sup +}e{sup -}{yields}dX)<0.031 pb. The {upsilon}(2S) data is also used to extract a limit on {chi}{sub bJ}{yields}dX. The results indicate enhanced deuteron production in ggg, gg{gamma} hadronization compared to {gamma}*{yields}qq. Baryon number compensation is also investigated with the large {upsilon}(1S){yields}dX sample.

  3. Extracting bb Higgs Decay Signals using Multivariate Techniques

    SciTech Connect (OSTI)

    Smith, W Clarke; /George Washington U. /SLAC

    2012-08-28

    For low-mass Higgs boson production at ATLAS at {radical}s = 7 TeV, the hard subprocess gg {yields} h{sup 0} {yields} b{bar b} dominates but is in turn drowned out by background. We seek to exploit the intrinsic few-MeV mass width of the Higgs boson to observe it above the background in b{bar b}-dijet mass plots. The mass resolution of existing mass-reconstruction algorithms is insufficient for this purpose due to jet combinatorics, that is, the algorithms cannot identify every jet that results from b{bar b} Higgs decay. We combine these algorithms using the neural net (NN) and boosted regression tree (BDT) multivariate methods in attempt to improve the mass resolution. Events involving gg {yields} h{sup 0} {yields} b{bar b} are generated using Monte Carlo methods with Pythia and then the Toolkit for Multivariate Analysis (TMVA) is used to train and test NNs and BDTs. For a 120 GeV Standard Model Higgs boson, the m{sub h{sup 0}}-reconstruction width is reduced from 8.6 to 6.5 GeV. Most importantly, however, the methods used here allow for more advanced m{sub h{sup 0}}-reconstructions to be created in the future using multivariate methods.

  4. CDF's Higgs sensitivity status

    SciTech Connect (OSTI)

    Junk, Tom; /Illinois U., Urbana

    2005-10-01

    The combined sensitivity of CDF's current Standard Model Higgs boson searches is presented. The expected 95% CL limits on the production cross section times the relevant Higgs boson branching ratios are computed for the W{sup {+-}}H {yields} {ell}{sup {+-}}{nu}b{bar b}, ZH {yields} {nu}{bar {nu}}b{bar b}, gg {yields} H {yields} W{sup +}W{sup -} W{sup {+-}}H {yields} W{sup {+-}}W{sup +}W{sup -} channels as they stand as of the October 2005, using results which were prepared for Summer 2005 conferences and a newer result form the gg {yields} H {yields} W{sup +}W{sup -} channel. Correlated and uncorrelated systematic uncertainties are taken into account, and the luminosity requirements for 95% CL exclusion, 3{sigma} evidence, and 5{sigma} discovery are computed for median experimental outcomes. A list of improvements required to achieve the sensitivity to a SM Higgs boson as quantified in the Higgs Sensitivity Working Group's report is provided.

  5. A survey on application of representation theory to molecular vibration

    SciTech Connect (OSTI)

    Prakasa, Yohenry E-mail: ntan@math.itb.ac.id; Muchtadi-Alamsyah, Intan E-mail: ntan@math.itb.ac.id

    2014-03-24

    Representations Theory is used extensively in many of the physical sciences as every physical system has a symmetry group G. Various differential equations determine the vibration of a molecule, and the symmetry group of the molecule acts on the space of solutions of these equations. In this paper we use CH{sub 4} (methane) molecule, which has four hydrogen atoms at the corners of a regular tetrahedron, and a carbon atom at the center of the tetrahedron. The four hydrogen atoms in CH{sub 4} are permuted by the action of the symmetry group and this action fixes the carbon atom. At each of the 5 vertices, we assign three unit vectors, called the standard basis vectors in directions of the three edges which are joined to the vertex. The symmetry group G of the molecules permutes the 15 standard basis vectors, so we may regard Q{sup 15} as a GG By expressing Q{sup 15} as a direct sum of irreducible GG-modules, the problem of finding the normal modes of vibration is reduced to that of computing the eigenvectors of some small matrices.

  6. A SEARCH FOR L/T TRANSITION DWARFS WITH Pan-STARRS1 AND WISE: DISCOVERY OF SEVEN NEARBY OBJECTS INCLUDING TWO CANDIDATE SPECTROSCOPIC VARIABLES

    SciTech Connect (OSTI)

    Best, William M. J.; Liu, Michael C.; Magnier, Eugene A.; Aller, Kimberly M.; Burgett, W. S.; Chambers, K. C.; Hodapp, K. W.; Kaiser, N.; Kudritzki, R.-P.; Morgan, J. S.; Tonry, J. L.; Wainscoat, R. J.; Deacon, Niall R.; Dupuy, Trent J.; Redstone, Joshua; Price, P. A.

    2013-11-10

    We present initial results from a wide-field (30,000 deg{sup 2}) search for L/T transition brown dwarfs within 25 pc using the Pan-STARRS1 and Wide-field Infrared Survey Explorer (WISE) surveys. Previous large-area searches have been incomplete for L/T transition dwarfs, because these objects are faint in optical bands and have near-infrared (near-IR) colors that are difficult to distinguish from background stars. To overcome these obstacles, we have cross-matched the Pan-STARRS1 (optical) and WISE (mid-IR) catalogs to produce a unique multi-wavelength database for finding ultracool dwarfs. As part of our initial discoveries, we have identified seven brown dwarfs in the L/T transition within 9-15 pc of the Sun. The L9.5 dwarf PSO J140.2308+45.6487 and the T1.5 dwarf PSO J307.6784+07.8263 (both independently discovered by Mace et al.) show possible spectroscopic variability at the Y and J bands. Two more objects in our sample show evidence of photometric J-band variability, and two others are candidate unresolved binaries based on their spectra. We expect our full search to yield a well-defined, volume-limited sample of L/T transition dwarfs that will include many new targets for study of this complex regime. PSO J307.6784+07.8263 in particular may be an excellent candidate for in-depth study of variability, given its brightness (J = 14.2 mag) and proximity (11 pc)

  7. OECD MCCI project final report, February 28, 2006.

    SciTech Connect (OSTI)

    Farmer, M. T.; Lomperski, S.; Kilsdonk, D. J.; Aeschlimann, R. W.; Basu, S.

    2011-05-23

    Although extensive research has been conducted over the last several years in the areas of Core-Concrete Interaction (CCI) and debris coolability, two important issues warrant further investigation. The first issue concerns the effectiveness of water in terminating a CCI by flooding the interacting masses from above, thereby quenching the molten core debris and rendering it permanently coolable. This safety issue was investigated in the Melt Attack and Coolability Experiments (MACE) program. The approach was to conduct large scale, integral-type reactor materials experiments with core melt masses ranging up to two metric tons. These experiments provided unique, and for the most part repeatable, indications of heat transfer mechanism(s) that could provide long term debris cooling. However, the results did not demonstrate definitively that a melt would always be completely quenched. This was due to the fact that the crust anchored to the test section sidewalls in every test, which led to melt/crust separation, even at the largest test section lateral span of 1.20 m. This decoupling is not expected for a typical reactor cavity, which has a span of 5-6 m. Even though the crust may mechanically bond to the reactor cavity walls, the weight of the coolant and the crust itself is expected to periodically fracture the crust and restore contact with the melt. The fractured crust will provide a pathway for water to recontact the underlying melt, thereby allowing other debris cooling mechanisms to proceed and contribute to terminating the core-concrete interaction. Thus, one of the key aims of the current program was to measure crust strength to check the hypothesis that a corium crust would not be strong enough to sustain melt/crust separation in a plant accident. The second important issue concerns long-term, two-dimensional concrete ablation by a prototypic core oxide melt. As discussed by Foit, the existing reactor material database for dry cavity conditions is solely one-dimensional. Although the MACE Scoping Test was carried out with a two-dimensional concrete cavity, the interaction was flooded soon after ablation was initiated to investigate debris coolability. Moreover, due to the scoping nature of this test, the apparatus was minimally instrumented and therefore the results are of limited value from the code validation viewpoint. Aside from the MACE program, the COTELS test series also investigated 2-D CCI under flooded cavity conditions. However, the input power density for these tests was quite high relative to the prototypic case. Finally, the BETA test series provided valuable data on 2-D core concrete interaction under dry cavity conditions, but these tests focused on investigating the interaction of the metallic (steel) phase with concrete. Due to these limitations, there is significant uncertainty in the partitioning of energy dissipated for the ablation of concrete in the lateral and axial directions under dry cavity conditions for the case of a core oxide melt. Accurate knowledge of this 'power split' is important in the evaluation of the consequences of an ex-vessel severe accident; e.g., lateral erosion can undermine containment structures, while axial erosion can penetrate the basemat, leading to ground contamination and/or possible containment bypass. As a result of this uncertainty, there are still substantial differences among computer codes in the prediction of 2-D cavity erosion behavior under both wet and dry cavity conditions. Thus, a second key aim of the current program was to provide the necessary data to help resolve these modeling differences. In light of the above issues, the OECD-sponsored Melt Coolability and Concrete Interaction (MCCI) program was initiated at Argonne National Laboratory. The project conducted reactor materials experiments and associated analysis to achieve the following technical objectives: (1) resolve the ex-vessel debris coolability issue through a program that focused on providing both confirmatory evidence and test data for the coolability mechanisms identified in previous

  8. Analyzing source apportioned methane in northern California during Discover-AQ-CA using airborne measurements and model simulations

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

    Johnson, Matthew S.; Yates, Emma L.; Iraci, Laura T.; Loewenstein, Max; Tadić, Jovan M.; Wecht, Kevin J.; Jeong, Seongeun; Fischer, Marc L.

    2014-12-01

    This study analyzes source apportioned methane (CH4) emissions and atmospheric mixing ratios in northern California during the Discover-AQ-CA field campaign using airborne measurement data and model simulations. Source apportioned CH4 emissions from the Emissions Database for Global Atmospheric Research (EDGAR) version 4.2 were applied in the 3-D chemical transport model GEOS-Chem and analyzed using airborne measurements taken as part of the Alpha Jet Atmospheric eXperiment over the San Francisco Bay Area (SFBA) and northern San Joaquin Valley (SJV). During the time period of the Discover-AQ-CA field campaign EDGAR inventory CH4 emissions were ~5.30 Gg day –1 (Gg = 1.0 ×more » 109 g) (equating to ~1.90 × 103 Gg yr–1) for all of California. According to EDGAR, the SFBA and northern SJV region contributes ~30% of total CH4 emissions from California. Source apportionment analysis during this study shows that CH4 mixing ratios over this area of northern California are largely influenced by global emissions from wetlands and local/global emissions from gas and oil production and distribution, waste treatment processes, and livestock management. Model simulations, using EDGAR emissions, suggest that the model under-estimates CH4 mixing ratios in northern California (average normalized mean bias (NMB) = –5.2% and linear regression slope = 0.20). The largest negative biases in the model were calculated on days when large amounts of CH4 were measured over local emission sources and atmospheric CH4 mixing ratios reached values >2.5 parts per million. Sensitivity emission studies conducted during this research suggest that local emissions of CH4 from livestock management processes are likely the primary source of the negative model bias. These results indicate that a variety, and larger quantity, of measurement data needs to be obtained and additional research is necessary to better quantify source apportioned CH4 emissions in California.« less

  9. Analyzing source apportioned methane in northern California during Discover-AQ-CA using airborne measurements and model simulations

    SciTech Connect (OSTI)

    Johnson, Matthew S.; Yates, Emma L.; Iraci, Laura T.; Loewenstein, Max; Tadić, Jovan M.; Wecht, Kevin J.; Jeong, Seongeun; Fischer, Marc L.

    2014-12-01

    This study analyzes source apportioned methane (CH4) emissions and atmospheric mixing ratios in northern California during the Discover-AQ-CA field campaign using airborne measurement data and model simulations. Source apportioned CH4 emissions from the Emissions Database for Global Atmospheric Research (EDGAR) version 4.2 were applied in the 3-D chemical transport model GEOS-Chem and analyzed using airborne measurements taken as part of the Alpha Jet Atmospheric eXperiment over the San Francisco Bay Area (SFBA) and northern San Joaquin Valley (SJV). During the time period of the Discover-AQ-CA field campaign EDGAR inventory CH4 emissions were ~5.30 Gg day –1 (Gg = 1.0 × 109 g) (equating to ~1.90 × 103 Gg yr–1) for all of California. According to EDGAR, the SFBA and northern SJV region contributes ~30% of total CH4 emissions from California. Source apportionment analysis during this study shows that CH4 mixing ratios over this area of northern California are largely influenced by global emissions from wetlands and local/global emissions from gas and oil production and distribution, waste treatment processes, and livestock management. Model simulations, using EDGAR emissions, suggest that the model under-estimates CH4 mixing ratios in northern California (average normalized mean bias (NMB) = –5.2% and linear regression slope = 0.20). The largest negative biases in the model were calculated on days when large amounts of CH4 were measured over local emission sources and atmospheric CH4 mixing ratios reached values >2.5 parts per million. Sensitivity emission studies conducted during this research suggest that local emissions of CH4 from livestock management processes are likely the primary source of the negative model bias. These results indicate that a variety, and larger quantity, of measurement data needs to be obtained and additional research is necessary to better quantify source apportioned CH4 emissions in California.

  10. Uranium Adsorption on Granular Activated Carbon Batch Testing

    SciTech Connect (OSTI)

    Parker, Kent E.; Golovich, Elizabeth C.; Wellman, Dawn M.

    2013-09-26

    The uranium adsorption performance of two activated carbon samples (Tusaar Lot B-64, Tusaar ER2-189A) was tested using unadjusted source water from well 299-W19-36. These batch tests support ongoing performance optimization efforts to use the best material for uranium treatment in the Hanford Site 200 West Area groundwater pump-and-treat system. A linear response of uranium loading as a function of the solution-to-solid ratio was observed for both materials. Kd values ranged from ~380,000 to >1,900,000 ml/g for the B-64 material and ~200,000 to >1,900,000 ml/g for the ER2-189A material. Uranium loading values ranged from 10.4 to 41.6 ?g/g for the two Tusaar materials.

  11. Resonance production in. gamma gamma. collisions

    SciTech Connect (OSTI)

    Renard, F.M.

    1983-04-01

    The processes ..gamma gamma.. ..-->.. hadrons can be depicted as follows. One photon creates a q anti q pair which starts to evolve; the other photon can either (A) make its own q anti q pair and the (q anti q q anti q) system continue to evolve or (B) interact with the quarks of the first pair and lead to a modified (q anti q) system in interaction with C = +1 quantum numbers. A review of the recent theoretical activity concerning resonance production and related problems is given under the following headings: hadronic C = +1 spectroscopy (q anti q, qq anti q anti q, q anti q g, gg, ggg bound states and mixing effects); exclusive ..gamma gamma.. processes (generalities, unitarized Born method, VDM and QCD); total cross section (soft and hard contributions); q/sup 2/ dependence of soft processes (soft/hard separation, 1/sup +- +/ resonances); and polarization effects. (WHK)

  12. Ultra-weak sector, Higgs boson mass, and the dilaton

    SciTech Connect (OSTI)

    Allison, Kyle; Hill, Christopher T.; Ross, Graham G.

    2014-11-01

    The Higgs boson mass may arise from a portal coupling to a singlet field $\\sigma$ which has a very large VEV $f \\gg m_\\text{Higgs}$. This requires a sector of "ultra-weak" couplings $\\zeta_i$, where $\\zeta_i \\lesssim m_\\text{Higgs}^2 / f^2$. Ultra-weak couplings are technically naturally small due to a custodial shift symmetry of $\\sigma$ in the $\\zeta_i \\rightarrow 0$ limit. The singlet field $\\sigma$ has properties similar to a pseudo-dilaton. We engineer explicit breaking of scale invariance in the ultra-weak sector via a Coleman-Weinberg potential, which requires hierarchies amongst the ultra-weak couplings.

  13. A=18Ne (72AJ02)

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

    72AJ02) (See Energy Level Diagrams for 18Ne) GENERAL: See Table 18.23 [Table of Energy Levels] (in PDF or PS). Shell and cluster model calculations:(WI57H, BE69H, BA70P, EL70D, HA70M, KA72). Electromagnetic transitions:(EL70D, HA70M). Special levels:(MI66C, KA69P, KA72). Pion reactions:(PA65F). Other theoretical calculations:(GO65E, KE66C, BA68EE, BE68V, MU68G, NE68A, VA68E, VA68L, BA69GG, GA69O, KA69P, MU69C, RA69C, SO69A, BA70, DI70F, EL70D, KA72). 1. 18Ne(β+)18F Qm = 4.447 The half-life of

  14. David_practical_calc.pptx

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

    Prac%cal c alcula%ons o f s emiconductors a nd m etals David A . S trubbe Department o f M aterials S cience a nd E ngineering, Massachuse8s I ns:tute o f T echnology BerkeleyGW t utorial 22 November 2013 Outline 1. Screening m odels f or E psilon 2. Construc%on o f k ---grids 3. Special t reatment f or m etals i n E psilon 4. Symmetry a nd d egeneracy 5. Linearizing t he D yson e qua%on 6. Real a nd c omplex v ersion Mean-Field φ MF nk , E MF nk WFN , V xc vxc.dat , ρ RHO epsilon -1 G,G (q,

  15. INTERIOR

    Office of Legacy Management (LM)

    c m y 7 INTERIOR Seismic monitoring o f t h e RULISON underground L nuclear e x p l o s i o n near R i f l e , Colorado, on 10 September lyGg by R. M. Hamilton, B. E. Smith and J. H. Healy Own-File R e w r t 1970 This r e p r t i s prelircinary and has n o t been e d i t e d o r reviewed f o r conformity w i t h G e o l o g i c a l Survey standards and n o r e n c l a t u r e . RETURN T O NV TECHNICAL LIBRARY DISCLAIMER Portions of this document may be illegible in electronic image products.

  16. Higgs production via gluon fusion in k{sub T} factorisation

    SciTech Connect (OSTI)

    Hautmann, F.; Jung, H.; Pandis, V.

    2011-07-15

    Theoretical studies of Higgs production via gluon fusion are frequently carried out in the limit where the top quark mass is much larger than the Higgs mass, an approximation which reduces the top quark loop to an effective vertex. We present a numerical analysis of the error thus introduced by performing a Monte Carlo calculation for gg{yields}h in k{sub T}-factorisation, using the parton shower generator CASCADE. By examining both inclusive and exclusive quantities, we find that retaining the top-mass dependence results in only a small enhancement of the cross-section. We then proceed to compare CASCADE to the collinear Monte Carlos PYTHIA, MC-NLO and POWHEG.

  17. Modelling charge transfer reactions with the frozen density embedding formalism

    SciTech Connect (OSTI)

    Pavanello, Michele; Neugebauer, Johannes

    2011-12-21

    The frozen density embedding (FDE) subsystem formulation of density-functional theory is a useful tool for studying charge transfer reactions. In this work charge-localized, diabatic states are generated directly with FDE and used to calculate electronic couplings of hole transfer reactions in two {pi}-stacked nucleobase dimers of B-DNA: 5{sup '}-GG-3{sup '} and 5{sup '}-GT-3{sup '}. The calculations rely on two assumptions: the two-state model, and a small differential overlap between donor and acceptor subsystem densities. The resulting electronic couplings agree well with benchmark values for those exchange-correlation functionals that contain a high percentage of exact exchange. Instead, when semilocal GGA functionals are used the electronic couplings are grossly overestimated.

  18. Comment on measuring the tt forward-backward asymmetry at ATLAS and CMS

    SciTech Connect (OSTI)

    Arguin, Jean-Francois; Ligeti, Zoltan; Freytsis, Marat

    2011-10-01

    We suggest a new possibility for ATLAS and CMS to explore the tt forward-backward asymmetry measured at the Tevatron, by attempting to reconstruct tt events, with one of the tops decaying semileptonically in the central region (|{eta}|<2.5) and the other decaying hadronically in the forward region (|{eta}|>2.5). For several models which give comparable Tevatron signals, we study the charge asymmetry at the LHC as a function of cuts on |{eta}| and on the tt invariant mass, m{sub tt}. We show that there is an interesting complementarity between cuts on |{eta}| and m{sub tt} to suppress the dominant and symmetric gg{yields}tt rate, and different combinations of cuts enhance the distinguishing power between models. This complementarity is likely to hold in other new physics scenarios as well, which affect the tt cross section, so it motivates extending tt reconstruction to higher |{eta}|.

  19. Ultra-weak sector, Higgs boson mass, and the dilaton

    SciTech Connect (OSTI)

    Allison, Kyle; Hill, Christopher T.; Ross, Graham G.

    2014-09-26

    The Higgs boson mass may arise from a portal coupling to a singlet field $\\sigma$ which has a very large VEV $f \\gg m_\\text{Higgs}$. This requires a sector of "ultra-weak" couplings $\\zeta_i$, where $\\zeta_i \\lesssim m_\\text{Higgs}^2 / f^2$. Ultra-weak couplings are technically naturally small due to a custodial shift symmetry of $\\sigma$ in the $\\zeta_i \\rightarrow 0$ limit. The singlet field $\\sigma$ has properties similar to a pseudo-dilaton. We engineer explicit breaking of scale invariance in the ultra-weak sector via a Coleman-Weinberg potential, which requires hierarchies amongst the ultra-weak couplings.

  20. Gluino polarization at the LHC

    SciTech Connect (OSTI)

    Kraemer, M.; Popenda, E.; Spira, M.; Zerwas, P. M.

    2009-09-01

    Gluinos are produced pairwise at the LHC in quark-antiquark and gluon-gluon collisions: qq, gg{yields}g-tildeg-tilde. While the individual polarization of gluinos vanishes in the limit in which the small mass difference between L and R squarks of the first two generations is neglected, nonzero spin-spin correlations are predicted within gluino pairs. If the squark/quark charges in Majorana gluino decays are tagged, the spin correlations have an impact on the energy and angular distributions in reconstructed final states. On the other hand, the gluino polarization in single gluino production in the supersymmetric Compton process gq{yields}g-tildeq-tilde{sub R,L} is predicted to be nonzero, and the polarization affects the final-state distributions in super-Compton events.

  1. Charged-Higgs-boson production at the LHC: Next-to-leading-order supersymmetric QCD corrections

    SciTech Connect (OSTI)

    Dittmaier, Stefan; Kraemer, Michael; Spira, Michael; Walser, Manuel

    2011-03-01

    The dominant production process for heavy charged-Higgs bosons at the LHC is the associated production with heavy quarks. We have calculated the next-to-leading-order supersymmetric QCD corrections to charged-Higgs production through the parton processes qq,gg{yields}tbH{sup {+-}} and present results for total cross sections and differential distributions. The QCD corrections reduce the renormalization and factorization scale dependence and thus stabilize the theoretical predictions. We present a comparison of the next-to-leading-order results for the inclusive cross section with a calculation based on bottom-gluon fusion gb{yields}tH{sup {+-}} and discuss the impact of the next-to-leading-order corrections on charged-Higgs searches at the LHC.

  2. Technicolor corrections to bb{yields}W{sup {+-}{pi}}{sub t}{sup {+-}}at the CERN Large Hadron Collider

    SciTech Connect (OSTI)

    Huang Jinshu; Pan, Qunna; Song, Taiping; Lu, Gongru

    2010-07-01

    In this paper we calculate the technicolor correction to the production of a charged top pion in association with a W boson via bb annihilation at the CERN Large Hadron Collider in the context of the topcolor assisted technicolor model. We find that the cross section of pp{yields}bb{yields}W{sup {+-}{pi}}{sub t}{sup {+-}}at the tree level can reach a few hundred femtobarns for reasonable ranges of the parameters, roughly corresponding to the result of the process pp{yields}bb{yields}W{sup {+-}H{+-}}in the minimal supersymmetric standard model; the relative corrections arising from the one-loop diagrams are about a few percent to two dozen percent, and they will increase the cross section at the tree level. As a comparison, we also discuss the size of the hadron cross section via the other subprocess gg{yields}W{sup {+-}{pi}}{sub t}{sup {+-}.}

  3. R-parity violating effects in top quark flavor-changing neutral-current production at LHC

    SciTech Connect (OSTI)

    Cao Junjie; Heng Zhaoxia; Yang Jinmin; Wu Lei

    2009-03-01

    In the minimal supersymmetric model the R-parity violating top quark interactions, which are so far weakly constrained, can induce various flavor-changing neutral-current (FCNC) productions for the top quark at the large hadron collider (LHC). In this work we assume the presence of the B-violating couplings and examine their contributions to the FCNC productions proceeding through the parton processes cg{yields}t, gg{yields}tc, cg{yields}t{gamma}, cg{yields}tZ and cg{yields}th. We find that all these processes can be greatly enhanced relative to the R-parity preserving predictions. In the parameter space allowed by current experiments, all the production channels except cg{yields}th can reach the 3{sigma} sensitivity, in contrast to the R-parity preserving case in which only cg{yields}t can reach the 3{sigma} sensitivity.

  4. First Measurement of the Fraction of Top Quark Pair Production Through Gluon-Gluon Fusion

    SciTech Connect (OSTI)

    Collaboration, CDF; Aaltonen, T.

    2007-12-01

    We present the first measurement of {sigma}(gG {yields} t{bar t})/{sigma}(p{bar p} {yields} t{bar t}). We use 0.96 fb{sup -1} of {radical}s = 1.96 TeV p{bar p} collision data recorded with the CDF II detector at Fermilab. We identify the candidate t{bar t} events with a high-energy charged lepton, a neutrino candidate, and four or more jets with at least one identified as originating from a b quark. Using charged particles with low transverse momentum in t{bar t} events, we find {sigma}(gg {yields} t{bar t})/{sigma}(p{bar p} {yields} t{bar t}) = 0.07 {+-} 0.14(stat) {+-} 0.07(syst), in agreement with the standard model NLO prediction of 0.15 {+-} 0.05.

  5. Model-independent Higgs coupling measurements at the LHC using the H{yields}ZZ{yields}4l lineshape

    SciTech Connect (OSTI)

    Logan, Heather E.; Salvail, Jeff Z.

    2011-10-01

    We show that combining a direct measurement of the Higgs total width from the H{yields}ZZ{yields}4l lineshape with Higgs signal rate measurements allows Higgs couplings to be extracted in a model-independent way from CERN LHC data. Using existing experimental studies with 30 fb{sup -1} at one detector of the 14 TeV LHC, we show that the couplings squared of a 190 GeV Higgs to WW, ZZ, and gg can be extracted with statistical precisions of about 10%, and a 95% confidence level upper limit on an unobserved component of the Higgs decay width of about 22% of the standard model Higgs width can be set. The method can also be applied for heavier Higgs masses.

  6. Ultra-weak sector, Higgs boson mass, and the dilaton

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

    Allison, Kyle; Hill, Christopher T.; Ross, Graham G.

    2014-09-26

    The Higgs boson mass may arise from a portal coupling to a singlet fieldmore » $$\\sigma$$ which has a very large VEV $$f \\gg m_\\text{Higgs}$$. This requires a sector of "ultra-weak" couplings $$\\zeta_i$$, where $$\\zeta_i \\lesssim m_\\text{Higgs}^2 / f^2$$. Ultra-weak couplings are technically naturally small due to a custodial shift symmetry of $$\\sigma$$ in the $$\\zeta_i \\rightarrow 0$$ limit. The singlet field $$\\sigma$$ has properties similar to a pseudo-dilaton. We engineer explicit breaking of scale invariance in the ultra-weak sector via a Coleman-Weinberg potential, which requires hierarchies amongst the ultra-weak couplings.« less

  7. Rapidity gap survival in central exclusive diffraction: Dynamical mechanisms and uncertainties

    SciTech Connect (OSTI)

    Strikman, Mark; Weiss, Christian

    2009-01-01

    We summarize our understanding of the dynamical mechanisms governing rapidity gap survival in central exclusive diffraction, pp -> p + H + p (H = high-mass system), and discuss the uncertainties in present estimates of the survival probability. The main suppression of diffractive scattering is due to inelastic soft spectator interactions at small pp impact parameters and can be described in a mean-field approximation (independent hard and soft interactions). Moderate extra suppression results from fluctuations of the partonic configurations of the colliding protons. At LHC energies absorptive interactions of hard spectator partons associated with the gg -> H process reach the black-disk regime and cause substantial additional suppression, pushing the survival probability below 0.01.

  8. Strong Electroweak Symmetry Breaking and Spin-0 Resonances

    SciTech Connect (OSTI)

    Evans, Jared; Luty, Markus A.

    2009-09-04

    We argue that theories of the strong electroweak symmetry breaking sector necessarily contain new spin 0 states at the TeV scale in the tt and tb/bt channels, even if the third generation quarks are not composite at the TeV scale. These states couple sufficiently strongly to third generation quarks to have significant production at LHC via gg->phi{sup 0} or gb->tphi{sup -}. The existence of narrow resonances in QCD suggests that the strong electroweak breaking sector contains narrow resonances that decay to tt or tb/bt, with potentially significant branching fractions to 3 or more longitudinal W and Z bosons. These may give new 'smoking gun' signals of strong electroweak symmetry breaking.

  9. Invariant-mass distribution of cc in {upsilon}(1S){yields}cc+X

    SciTech Connect (OSTI)

    Chung, Hee Sok; Kim, Taewon; Lee, Jungil

    2008-12-01

    We calculate the invariant-mass distribution for the cc pair produced in the inclusive {upsilon}(1S) decay based on the color-singlet mechanism of the nonrelativistic quantum chromodynamics factorization approach at leading order in the bottom-quark velocity v{sub b} in the meson rest frame. As the short-distance processes, we consider bb{yields}g*gg followed by g*{yields}cc and bb{yields}{gamma}*{yields}cc at leading order in the strong coupling. The invariant-mass distribution of the bb{yields}ccgg contribution has a sharp peak just above the threshold and that of the bb{yields}{gamma}*{yields}cc channel is concentrated at the maximally allowed kinematic end point. We predict that {gamma}[{upsilon}(1S){yields}cc+X]/{gamma}[{upsilon}(1S){yields}light hadrons]=(0.065{+-}0.048){alpha}{sub s}, which is in agreement with a previous result within errors.

  10. Color sextet scalars at the CERN Large Hadron Collider

    SciTech Connect (OSTI)

    Chen, C.-R.; Klemm, William; Rentala, Vikram; Wang Kai

    2009-03-01

    Taking a phenomenological approach, we study a color sextet scalar at the LHC. We focus on the QCD production of a color sextet pair {phi}{sub 6}{phi}{sub 6} through gg fusion and qq annihilation. Its unique coupling to {psi}{sup c}{psi} allows the color sextet scalar to decay into same-sign diquark states, such as {phi}{sub 6}{yields}tt/tt*. We propose a new reconstruction in the multijet plus same-sign dilepton with missing transverse energy samples (bb+l{sup {+-}}l{sup {+-}}+Ee{sub T}+Nj, N{>=}6) to search for on-shell tttt final states from sextet scalar pair production. Thanks to the large QCD production, the search covers the sextet mass range up to 1 TeV for 100 fb{sup -1} integrated luminosity.

  11. Lepton flavor violating Higgs bosons and {tau}{yields}{mu}{gamma}

    SciTech Connect (OSTI)

    Davidson, Sacha; Grenier, Gerald

    2010-05-01

    We update phenomenological constraints on a two Higgs doublet model with lepton flavor nonconserving Yukawa couplings. We review that tan{beta} is ambiguous in such 'type III' models, and define it from the {tau} Yukawa coupling. The neutral scalars {phi} could be searched for at hadron colliders in {phi}{yields}{tau}{mu} and are constrained by the rare decay {tau}{yields}{mu}{gamma}. The Feynman diagrams for the collider process, with Higgs production via gluon fusion, are similar to the two-loop ''Barr-Zee'' diagrams, which contribute to {tau}{yields}{mu}{gamma}. Some ''tuning'' is required to obtain a collider cross section of order the standard model expectation for {sigma}(gg{yields}h{sub SM{yields}{tau}}{sup +{tau}-}), while agreeing with the current bound from {tau}{yields}{mu}{gamma}.

  12. Central Exclusive Production at the Tevatron

    SciTech Connect (OSTI)

    Albrow, Michael

    2009-03-23

    In CDF we have observed several exclusive processes: {gamma}{gamma}{yields}e{sup +}e{sup -} and {mu}{sup +}{mu}{sup -}, {gamma}+IP{yields}J/{psi}, {psi}(2S) and IP+IP{yields}{chi}{sub c}. The cross sections agree with QED, HERA photoproduction data, and theoretical estimates of gg{yields}{chi}{sub c} with another gluon exchanged to screen the color. This observation of exclusive {chi}{sub c}, together with earlier observations of exclusive dijets and exclusive {gamma}{gamma} candidates, support some theoretical predictions for p+p{yields}p+SMH+p at the LHC. Exclusive dileptons offer the best means of precisely calibrating forward proton spectrometers.

  13. Gamma-ray constraints on hadronic and leptonic activities of decaying dark matter

    SciTech Connect (OSTI)

    Chen, Chuan-Ren; Mandal, Sourav K.; Takahashi, Fuminobu E-mail: sourav.mandal@berkeley.edu

    2010-01-01

    While the excess in cosmic-ray electrons and positrons reported by PAMELA and Fermi may be explained by dark matter decaying primarily into charged leptons, this does not necessarily mean that dark matter should not have any hadronic decay modes. In order to quantify the allowed hadronic activities, we derive constraints on the decay rates of dark matter into WW, ZZ, hh, q q-bar and gg using the Fermi and HESS gamma-ray data. We also derive gamma-ray constraints on the leptonic e{sup +}e{sup −}, μ{sup +}μ{sup −} and τ{sup +}τ{sup −} final states. We find that dark matter must decay primarily into μ{sup +}μ{sup −} or τ{sup +}τ{sup −} in order to simultaneously explain the reported excess and meet all gamma-ray constraints.

  14. Higgs Searches

    SciTech Connect (OSTI)

    Peters, Krisztian

    2009-11-01

    We present the status and prospects of Higgs searches at the Tevatron and the LHC. Results from the Tevatron are using up to 5 fb{sup -} of data collected with the CDF and D0 detectors. The major contributing processes include associated production (WH {yields} l{nu}bb, ZH {yields} {nu}{nu}bb, ZH {yields} llbb) and gluon fusion (gg {yields} H {yields} WW{sup (*)}). Improvements across the full mass range resulting from the larger data sets, improved analyses techniques and increased signal acceptance are discussed. Recent results exclude the SM Higgs boson in a mass range of 160 < m{sub H} < 170 GeV. Searches for the neutral MSSM Higgs boson in the region 90 < m{sub A} < 200 GeV exclude tan {beta} values down to 30 for several benchmark scenarios.

  15. Central exclusive production at the Tevatron

    SciTech Connect (OSTI)

    Albrow, Michael G.; /Fermilab

    2008-12-01

    In CDF we have observed several exclusive processes: 2-photon {yields} e{sup +}e{sup -} and {mu}{sup +}{mu}{sup -}, photon+pomeron {yields} J/{psi} and {psi}(2S), and pomeron+pomeron {yields} {chi}{sub c}. The cross sections agree with QED, HERA photoproduction data, and theoretical estimates of gg {yields} {chi}{sub c} with another gluon exchanged to screen the color. This observation of exclusive {chi}{sub c}, together with earlier observations of exclusive dijets and exclusive 2-photon candidates, support some theoretical predictions for p+p {yields} p+H+p at the LHC. Exclusive dileptons offer the best means of precisely calibrating forward proton spectrometers.

  16. Viscosity and dilepton production of a chemically equilibrating quark-gluon plasma at finite baryon density

    SciTech Connect (OSTI)

    Guan Nana; Li Jianwei; He Zejun; Long Jiali; Cai Xiangzhou; Ma Yugang; Shen Wenqing

    2009-07-15

    By considering the effect of shear viscosity we have investigated the evolution of a chemically equilibrating quark-gluon plasma at finite baryon density. Based on the evolution of the system we have performed a complete calculation for the dilepton production from the following processes: qq{yields}ll, qq{yields}gll, Compton-like scattering (qg{yields}qll,qg{yields}qll), gluon fusion (gg{yields}cc), annihilation (qq{yields}cc), as well as the multiple scattering of quarks. We have found that quark-antiquark annihilation, Compton-like scatterring, gluon fusion, and multiple scattering of quarks give important contributions. Moreover, we have also found that the dilepton yield is an increasing function of the initial quark chemical potential, and the increase of the quark phase lifetime because of the viscosity also obviously raises the dilepton yield.

  17. LAX XXlCfl jX?iK, Idd+?KYLViG?IA

    Office of Legacy Management (LM)

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  18. X-Ray Cross-Complementing Group 1 and Thymidylate Synthase Polymorphisms Might Predict Response to Chemoradiotherapy in Rectal Cancer Patients

    SciTech Connect (OSTI)

    Lamas, Maria J.

    2012-01-01

    Purpose: 5-Fluorouracil-based chemoradiotherapy before total mesorectal excision is currently the standard treatment of Stage II and III rectal cancer patients. We used known predictive pharmacogenetic biomarkers to identify the responders to preoperative chemoradiotherapy in our series. Methods and Materials: A total of 93 Stage II-III rectal cancer patients were genotyped using peripheral blood samples. The genes analyzed were X-ray cross-complementing group 1 (XRCC1), ERCC1, MTHFR, EGFR, DPYD, and TYMS. The patients were treated with 225 mg/m{sup 2}/d continuous infusion of 5-fluorouracil concomitantly with radiotherapy (50.4 Gy) followed by total mesorectal excision. The outcomes were measured by tumor regression grade (TRG) as a major response (TRG 1 and TRG 2) or as a poor response (TRG3, TRG4, and TRG5). Results: The major histopathologic response rate was 47.3%. XRCC1 G/G carriers had a greater probability of response than G/A carriers (odds ratio, 4.18; 95% confidence interval, 1.62-10.74, p = .003) Patients with polymorphisms associated with high expression of thymidylate synthase (2R/3G, 3C/3G, and 3G/3G) showed a greater pathologic response rate compared with carriers of low expression (odds ratio, 2.65; 95% confidence interval, 1.10-6.39, p = .02) No significant differences were seen in the response according to EGFR, ERCC1, MTHFR{sub C}677 and MTHFR{sub A}1298 expression. Conclusions: XRCC1 G/G and thymidylate synthase (2R/3G, 3C/3G, and 3G/3G) are independent factors of a major response. Germline thymidylate synthase and XRCC1 polymorphisms might be useful as predictive markers of rectal tumor response to neoadjuvant chemoradiotherapy with 5-fluorouracil.

  19. Pyrolysis of Woody Residue Feedstocks: Upgrading of Bio-Oils from Mountain-Pine-Beetle-Killed Trees and Hog Fuel

    SciTech Connect (OSTI)

    Zacher, Alan H.; Elliott, Douglas C.; Olarte, Mariefel V.; Santosa, Daniel M.; Preto, Fernando; Iisa, Kristiina

    2014-12-01

    Liquid transportation fuel blend-stocks were produced by pyrolysis and catalytic upgrading of woody residue biomass. Mountain pine beetle killed wood and hog fuel from a saw mill were pyrolyzed in a 1 kg/h fluidized bed reactor and subsequently upgraded to hydrocarbons in a continuous fixed bed hydrotreater. Upgrading was performed by catalytic hydrotreatment in a two-stage bed at 170C and 405C with a per bed LHSV between 0.17 and 0.19. The overall yields from biomass to upgraded fuel were similar for both feeds: 24-25% despite the differences in bio-oil (intermediate) mass yield. Pyrolysis bio-oil mass yield was 61% from MPBK wood, and subsequent upgrading of the bio-oil gave an average mass yield of 41% to liquid fuel blend stocks. Hydrogen was consumed at an average of 0.042g/g of bio-oil fed, with final oxygen content in the product fuel ranging from 0.31% to 1.58% over the course of the test. Comparatively for hog fuel, pyrolysis bio-oil mass yield was lower at 54% due to inorganics in the biomass, but subsequent upgrading of that bio-oil had an average mass yield of 45% to liquid fuel, resulting in a similar final mass yield to fuel compared to the cleaner MPBK wood. Hydrogen consumption for the hog fuel upgrading averaged 0.041 g/g of bio-oil fed, and the final oxygen content of the product fuel ranged from 0.09% to 2.4% over the run. While it was confirmed that inorganic laded biomass yields less bio-oil, this work demonstrated that the resultant bio-oil can be upgraded to hydrocarbons at a higher yield than bio-oil from clean wood. Thus the final hydrocarbon yield from clean or residue biomass pyrolysis/upgrading was similar.

  20. Modeling the global emission, transport and deposition of trace elements associated with mineral dust

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

    Zhang, Y.; Mahowald, N.; Scanza, R.; Journet, E.; Desboeufs, K.; Albani, S.; Kok, J.; Zhuang, G.; Chen, Y.; Cohen, D. D.; et al

    2014-12-17

    Trace element deposition from desert dust has important impacts on ocean primary productivity. In this study, emission inventories for 8 elements, which are primarily of soil origin, Mg, P, Ca, Mn, Fe, K, Al, and Si were determined based on a global mineral dataset and a soils dataset. Datasets of elemental fractions were used to drive the desert dust model in the Community Earth System Model (CESM) in order to simulate the elemental concentrations of atmospheric dust. Spatial variability of mineral dust elemental fractions was evident on a global scale, particularly for Ca. Simulations of global variations in the Camore » / Al ratio, which typically ranged from around 0.1 to 5.0 in soil sources, were consistent with observations, suggesting this ratio to be a good signature for dust source regions. The simulated variable fractions of chemical elements are sufficiently different that estimates of deposition should include elemental variations, especially for Ca, Al and Fe. The model results have been evaluated with observational elemental aerosol concentration data from desert regions and dust events in non-dust regions, providing insights into uncertainties in the modeling approach. The ratios between modeled and observed elemental fractions ranged from 0.7 to 1.6 except for 3.4 and 3.5 for Mg and Mn, respectivly. Using the soil data base improved the correspondence of the spatial hetereogeneity in the modeling of several elements (Ca, Al and Fe) compared to observations. Total and soluble dust associated element fluxes into different ocean basins and ice sheets regions have been estimated, based on the model results. Annual inputs of soluble Mg, P, Ca, Mn, Fe and K associated with dust using mineral dataset were 0.28 Tg, 16.89 Gg, 1.32 Tg, 22.84 Gg, 0.068 Tg, and 0.15 Tg to global oceans and ice sheets.« less