Now showing items 31444-31463 of 32586

    • UNVEILING THE NATURE OF IGR J17177–3656 WITH X-RAY, NEAR-INFRARED, AND RADIO OBSERVATIONS 

      Paizis, A.; Wilms, J.; Chaty, S.; Corbel, S.; Rodriguez, J.; e.a. (IOP Publishing, 2011-08)
      We report on the first broadband (1-200 keV) simultaneous Chandra-INTEGRAL observations of the recently discovered hard X-ray transient IGR J17177–3656 that took place on 2011 March 22, about two weeks after the source ...
    • Unveiling the nucleon tensor charge at Jefferson Lab: A study of the SoLID case 

      Ye, Zhihong; Sato, Nobuo; Liu, Tianbo; Chen, Jian-Ping; Gao, Haiyan; e.a. (Elsevier, 2017-01)
      Future experiments at the Jefferson Lab 12 GeV upgrade, in particular, the Solenoidal Large Intensity Device (SoLID), aim at a very precise data set in the region where the partonic structure of the nucleon is dominated ...
    • Up in Smoke: The Influence of Household Behavior on the Long-Run Impact of Improved Cooking Stoves 

      Rema, Hanna; Greenstone, Michael; Duflo, Esther (American Economic Association (AEA), 2016-02)
      Laboratory studies suggest that improved cooking stoves can reduce indoor air pollution, improve health, and decrease greenhouse gas emissions in developing countries. We provide evidence, from a large-scale randomized ...
    • Up, down, and strange nucleon axial form factors from lattice QCD 

      Green, Jeremy; Hasan, Nesreen; Meinel, Stefan; Engelhardt, Michael; Krieg, Stefan; e.a. (American Physical Society, 2017-06)
      We report a calculation of the nucleon axial form factors G[superscript q][superscript A](Q[superscript 2]) and G[superscript q][subscript P](Q[superscript 2]) for all three light quark flavors q ∈ {u,d,s} in the range 0 ...
    • An update of the Pb isotope inventory in post leaded-petrol Singapore environments 

      Carrasco, Gonzalo; Chen, Mengli; Boyle, Edward A; Tanzil, Jani; Zhou, Kuanbo; e.a. (Elsevier, 2017-10)
      Pb is a trace metal that tracks anthropogenic pollution in natural environments. Despite recent leaded petrol phase out around Southeast Asia, the region's growth has resulted in continued exposure of Pb from a variety of ...
    • Update on the Micro-X Sounding Rocket payload 

      Figueroa-Feliciano, Enectali; Adams, J. S.; Baker, R.; Bandler, S. R.; Dewey, Dan; e.a. (Society of Photo-Optical Instrumentation Engineers (SPIE), 2012-09)
      The Micro-X High Resolution Microcalorimeter X-ray Imaging Rocket is a sounding rocket experiment that will combine a transition-edge-sensor X-ray-microcalorimeter array with a conical imaging mirror to obtain high- ...
    • Update on the MiniCLEAN Dark Matter Experiment 

      Rielage, K.; Akashi-Ronquest, M.; Bodmer, M.; Bourque, R.; Butcher, A.; e.a. (Elsevier, 2015-03)
      The direct search for dark matter is entering a period of increased sensitivity to the hypothetical Weakly Interacting Massive Particle (WIMP). One such technology that is being examined is a scintillation only noble liquid ...
    • Update-Efficiency and Local Repairability Limits for Capacity Approaching Codes 

      Mazumdar, Arya; Chandar, Venkat B.; Wornell, Gregory W. (Institute of Electrical and Electronics Engineers (IEEE), 2014-04)
      Motivated by distributed storage applications, we investigate the degree to which capacity achieving codes can be efficiently updated when a single information symbol changes, and the degree to which such codes can be ...
    • Updated branching fraction measurements of B[subscript (s)]⁰ → KS⁰h⁺h′⁻ decays 

      Aaij, R.; Adeva, B.; Adinolfi, M.; Ajaltouni, Z.; Akar, S.; e.a. (Springer Berlin Heidelberg, 2017-11)
      The charmless three-body decays B[subscript (s)]⁰ → KS⁰h⁺h′⁻ (where h(′) = π, K) are analysed using a sample of pp collision data recorded by the LHCb experiment, corresponding to an integrated luminosity of 3 fb⁻¹. The ...
    • Updated Determination of D⁰–D¯⁰Mixing and CP Violation Parameters with D⁰→K⁺π⁻ Decays 

      Aaij, R.; Adeva, B.; Adinolfi, M.; Ajaltouni, Z.; Akar, S.; e.a. (American Physical Society, 2018-02)
      We report measurements of charm-mixing parameters based on the decay-time-dependent ratio of D⁰→K⁺π⁻ to D⁰→K⁻π⁺ rates. The analysis uses a data sample of proton-proton collisions corresponding to an integrated luminosity ...
    • Updated MINDS Report on Speech Recognition and Understanding, Part 2 

      O'Shaughnessy, Douglas; Baker, Janet M.; Deng, Li; Khudanpur, Sanjeev; Lee, Chin-Hui; e.a. (Institute of Electrical and Electronics Engineers, 2009-07)
      This article is the second part of an updated version of the "MINDS 2006-2007 Report of the Speech Understanding Working Group," one of five reports emanating from two workshops entitled "Meeting of the MINDS: Future ...
    • Updated search for long-lived particles decaying to jet pairs 

      LHCB Collaboration; Boettcher, Thomas Julian; Ilten, Philip J; Williams, Michael (Springer/Società Italiana di Fisica, 2017-11)
      A search is presented for long-lived particles with a mass between 25 and 50 GeV/c² and a lifetime between 2 and 500 ps, using proton–proton collision data corresponding to an integrated luminosity of 2.0 fb⁻¹, collected ...
    • Updated search for the flavor-changing neutral-current decay D[superscript 0]-->mu+mu- in pp[over-bar] collisions at [sqrt]s=1.96 TeV 

      Bauer, Gerry P.; Gomez-Ceballos, Guillelmo; Goncharov, Maxim; Makhoul, K.; Paus, Christoph M. E. (American Physical Society, 2010-11)
      We report on a search for the flavor-changing neutral-current decay D0-->mu+mu- in pp[over-bar] collisions at [sqrt]s=1.96  TeV using 360  pb[superscript -1] of integrated luminosity collected by the CDF II detector at the ...
    • Updated search for the standard model Higgs boson in events with jets and missing transverse energy using the full CDF data set 

      Gomez-Ceballos, Guillelmo; Goncharov, Maxim; Paus, Christoph M. E. (American Physical Society, 2013-03)
      We present an updated search for the Higgs boson produced in association with a vector boson in the final state with missing transverse energy and two jets. We use the full CDF data set corresponding to an integrated ...
    • Upgrade of the ICRF fault and control systems on alcator C-mod 

      Wukitch, Stephen James; Murray, Richard A.; Kanojia, Atma Dakshineshwar; Burke, William M.; Binus, Alan; e.a. (Institute of Electrical and Electronics Engineers, 2009-08)
      The Ion Cyclotron RF Transmitter System (ICRF) at Alcator C-Mod comprises four separate transmitters each capable of driving 2 MW of power into plasma loads. Four separate transmission lines guide RF power into three ...
    • Upgrading and desulfurization of heavy oils by supercritical water 

      Timko, Michael T.; Ghoniem, Ahmed F; Green, William H (Elsevier B.V., 2015-01)
      Supercritical water upgrading (SCWU) of heavy oils reduces sulfur content and decreases average molecular weight, without rejecting carbon as coke products. Despite many years of industrial and academic scrutiny, many ...
    • Upholding a role for EMT in pancreatic cancer metastasis 

      Aiello, Nicole M.; Brabletz, Thomas; Kang, Yibin; Nieto, Maria; Weinberg, Robert A; e.a. (Springer Nature, 2017-07)
      Epithelial-to-mesenchymal transition (EMT) is a cellular program that operates in the context of embryogenesis, wound healing and carcinoma pathogenesis to drive epithelial cells towards a mesenchymal state. During carcinoma ...
    • UPI: A Primary Index for Uncertain Databases 

      Kimura, Hideaki; Madden, Samuel R.; Zdonik, Stanley B. (Very Large Data Base Endowment Inc. (VLDB Endowment), 2010-09)
      Uncertain data management has received growing attention from industry and academia. Many efforts have been made to optimize uncertain databases, including the development of special index data structures. However, none ...
    • Uplift Modeling with Multiple Treatments and General Response Types 

      Zhao, Yan; Fang, Xiao; Simchi-Levi, David (Society for Industrial and Applied Mathematics, 2017)
      Randomized experiments have been used to assist decision- making in many areas. They help people select the optimal treatment for the test population with certain statistical guarantee. However, subjects can show significant ...
    • Upper Bound on List-Decoding Radius of Binary Codes 

      Polyanskiy, Yury (Institute of Electrical and Electronics Engineers (IEEE), 2016-03)
      Consider the problem of packing Hamming balls of a given relative radius subject to the constraint that they cover any point of the ambient Hamming space with multiplicity at most L. For odd L ≥ 3, an asymptotic upper bound ...