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Improved Limits on Scattering of Weakly Interacting Massive Particles from Reanalysis of 2013 LUX Data.
Akerib, D S; Araújo, H M; Bai, X; Bailey, A J; Balajthy, J; Beltrame, P; Bernard, E P; Bernstein, A; Biesiadzinski, T P; Boulton, E M; Bradley, A; Bramante, R; Cahn, S B; Carmona-Benitez, M C; Chan, C; Chapman, J J; Chiller, A A; Chiller, C; Currie, A; Cutter, J E; Davison, T J R; de Viveiros, L; Dobi, A; Dobson, J E Y; Druszkiewicz, E; Edwards, B N; Faham, C H; Fiorucci, S; Gaitskell, R J; Gehman, V M; Ghag, C; Gibson, K R; Gilchriese, M G D; Hall, C R; Hanhardt, M; Haselschwardt, S J; Hertel, S A; Hogan, D P; Horn, M; Huang, D Q; Ignarra, C M; Ihm, M; Jacobsen, R G; Ji, W; Kazkaz, K; Khaitan, D; Knoche, R; Larsen, N A; Lee, C; Lenardo, B G.
Afiliación
  • Akerib DS; Case Western Reserve University, Department of Physics, 10900 Euclid Ave, Cleveland, Ohio 44106, USA.
  • Araújo HM; SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94205, USA.
  • Bai X; Kavli Institute for Particle Astrophysics and Cosmology, Stanford University, 452 Lomita Mall, Stanford, California 94309, USA.
  • Bailey AJ; Imperial College London, High Energy Physics, Blackett Laboratory, London SW7 2BZ, United Kingdom.
  • Balajthy J; South Dakota School of Mines and Technology, 501 East St Joseph St., Rapid City, South Dakota 57701, USA.
  • Beltrame P; Imperial College London, High Energy Physics, Blackett Laboratory, London SW7 2BZ, United Kingdom.
  • Bernard EP; University of Maryland, Department of Physics, College Park, Maryland 20742, USA.
  • Bernstein A; SUPA, School of Physics and Astronomy, University of Edinburgh, Edinburgh EH9 3FD, United Kingdom.
  • Biesiadzinski TP; Yale University, Department of Physics, 217 Prospect St., New Haven, Connecticut 06511, USA.
  • Boulton EM; Lawrence Livermore National Laboratory, 7000 East Ave., Livermore, California 94551, USA.
  • Bradley A; Case Western Reserve University, Department of Physics, 10900 Euclid Ave, Cleveland, Ohio 44106, USA.
  • Bramante R; SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94205, USA.
  • Cahn SB; Kavli Institute for Particle Astrophysics and Cosmology, Stanford University, 452 Lomita Mall, Stanford, California 94309, USA.
  • Carmona-Benitez MC; Yale University, Department of Physics, 217 Prospect St., New Haven, Connecticut 06511, USA.
  • Chan C; Case Western Reserve University, Department of Physics, 10900 Euclid Ave, Cleveland, Ohio 44106, USA.
  • Chapman JJ; Case Western Reserve University, Department of Physics, 10900 Euclid Ave, Cleveland, Ohio 44106, USA.
  • Chiller AA; SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94205, USA.
  • Chiller C; Kavli Institute for Particle Astrophysics and Cosmology, Stanford University, 452 Lomita Mall, Stanford, California 94309, USA.
  • Currie A; Yale University, Department of Physics, 217 Prospect St., New Haven, Connecticut 06511, USA.
  • Cutter JE; University of California Santa Barbara, Department of Physics, Santa Barbara, California 93106, USA.
  • Davison TJ; Brown University, Department of Physics, 182 Hope St., Providence, Rhode Island 02912, USA.
  • de Viveiros L; Brown University, Department of Physics, 182 Hope St., Providence, Rhode Island 02912, USA.
  • Dobi A; University of South Dakota, Department of Physics, 414E Clark St., Vermillion, South Dakota 57069, USA.
  • Dobson JE; University of South Dakota, Department of Physics, 414E Clark St., Vermillion, South Dakota 57069, USA.
  • Druszkiewicz E; Imperial College London, High Energy Physics, Blackett Laboratory, London SW7 2BZ, United Kingdom.
  • Edwards BN; University of California Davis, Department of Physics, One Shields Ave., Davis, California 95616, USA.
  • Faham CH; SUPA, School of Physics and Astronomy, University of Edinburgh, Edinburgh EH9 3FD, United Kingdom.
  • Fiorucci S; LIP-Coimbra, Department of Physics, University of Coimbra, Rua Larga, 3004-516 Coimbra, Portugal.
  • Gaitskell RJ; Lawrence Berkeley National Laboratory, 1 Cyclotron Rd., Berkeley, California 94720, USA.
  • Gehman VM; Department of Physics and Astronomy, University College London, Gower Street, London WC1E 6BT, United Kingdom.
  • Ghag C; University of Rochester, Department of Physics and Astronomy, Rochester, New York 14627, USA.
  • Gibson KR; Yale University, Department of Physics, 217 Prospect St., New Haven, Connecticut 06511, USA.
  • Gilchriese MG; Lawrence Berkeley National Laboratory, 1 Cyclotron Rd., Berkeley, California 94720, USA.
  • Hall CR; Lawrence Berkeley National Laboratory, 1 Cyclotron Rd., Berkeley, California 94720, USA.
  • Hanhardt M; Brown University, Department of Physics, 182 Hope St., Providence, Rhode Island 02912, USA.
  • Haselschwardt SJ; Lawrence Berkeley National Laboratory, 1 Cyclotron Rd., Berkeley, California 94720, USA.
  • Hertel SA; Department of Physics and Astronomy, University College London, Gower Street, London WC1E 6BT, United Kingdom.
  • Hogan DP; Case Western Reserve University, Department of Physics, 10900 Euclid Ave, Cleveland, Ohio 44106, USA.
  • Horn M; Lawrence Berkeley National Laboratory, 1 Cyclotron Rd., Berkeley, California 94720, USA.
  • Huang DQ; University of Maryland, Department of Physics, College Park, Maryland 20742, USA.
  • Ignarra CM; South Dakota School of Mines and Technology, 501 East St Joseph St., Rapid City, South Dakota 57701, USA.
  • Ihm M; South Dakota Science and Technology Authority, Sanford Underground Research Facility, Lead, South Dakota 57754, USA.
  • Jacobsen RG; University of California Santa Barbara, Department of Physics, Santa Barbara, California 93106, USA.
  • Ji W; Yale University, Department of Physics, 217 Prospect St., New Haven, Connecticut 06511, USA.
  • Kazkaz K; Lawrence Berkeley National Laboratory, 1 Cyclotron Rd., Berkeley, California 94720, USA.
  • Khaitan D; University of California Berkeley, Department of Physics, Berkeley, California 94720, USA.
  • Knoche R; University of California Berkeley, Department of Physics, Berkeley, California 94720, USA.
  • Larsen NA; Yale University, Department of Physics, 217 Prospect St., New Haven, Connecticut 06511, USA.
  • Lee C; Lawrence Berkeley National Laboratory, 1 Cyclotron Rd., Berkeley, California 94720, USA.
  • Lenardo BG; University of California Berkeley, Department of Physics, Berkeley, California 94720, USA.
Phys Rev Lett ; 116(16): 161301, 2016 Apr 22.
Article en En | MEDLINE | ID: mdl-27152785
We present constraints on weakly interacting massive particles (WIMP)-nucleus scattering from the 2013 data of the Large Underground Xenon dark matter experiment, including 1.4×10^{4} kg day of search exposure. This new analysis incorporates several advances: single-photon calibration at the scintillation wavelength, improved event-reconstruction algorithms, a revised background model including events originating on the detector walls in an enlarged fiducial volume, and new calibrations from decays of an injected tritium ß source and from kinematically constrained nuclear recoils down to 1.1 keV. Sensitivity, especially to low-mass WIMPs, is enhanced compared to our previous results which modeled the signal only above a 3 keV minimum energy. Under standard dark matter halo assumptions and in the mass range above 4 GeV c^{-2}, these new results give the most stringent direct limits on the spin-independent WIMP-nucleon cross section. The 90% C.L. upper limit has a minimum of 0.6 zb at 33 GeV c^{-2} WIMP mass.
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Texto completo: 1 Banco de datos: MEDLINE Idioma: En Revista: Phys Rev Lett Año: 2016 Tipo del documento: Article País de afiliación: Estados Unidos
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Texto completo: 1 Banco de datos: MEDLINE Idioma: En Revista: Phys Rev Lett Año: 2016 Tipo del documento: Article País de afiliación: Estados Unidos