Results from a Search for Dark Matter in the Complete LUX Exposure

Akerib, D. S.; Alsum, S.; Araújo, H. M.; Bai, X.; Bailey, A. J.; Balajthy, J.; Beltrame, P.; Bernard, E. P.; Bernstein, A.; Biesiadzinski, T. P.; Boulton, E. M.; Bramante, R.; Brás, P.; Byram, D.; Cahn, S. B.; Carmona-Benitez, M. C.; Chan, C.; Chiller, A. A.; Chiller, C.; Currie, A.; Cutter, J. E.; Davison, T. J. R.; Dobi, A.; Dobson, J. E. Y.; Druszkiewicz, E.; Edwards, B.; Faham, C.H.; Fiorucci, S.; Gaitskell, R. J.; Gehman, V.M.; Ghag, C.; Gibson, K.R.; Gilchriese, M. G. D.; Hall, C.; 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.; Kamdin, K.; Kazkaz, K.; Khaitan, D.; Knoche, R.; Larsen, Nicole; Lee, C.; Lenardo, B. G.; Lesko, K. T.; Lindote, A.; Lopes, I.; Manalaysay, A.; Mannino, R. L.; Marzioni, M. F.; McKinsey, D. N.; Mei, Dongming; Mock, J.; Moongweluwan, M.; Morad, J. A.; Murphy, A. St. J.; Nehrkorn, C.; Nelson, H.; Neves, F.; O’Sullivan, K.; Oliver-Mallory, K. C.; Palladino, K. J.; Pease, E. K.; Phelps, P.; Reichhart, L.; Rhyne, C.; Shaw, S.; Shutt, T. A.; Silva, C.; Solmaz, M.; Solovov, V. N.; Sørensen, P.; Stephenson, Scott; Sumner, T. J.; Szydagis, M.; Taylor, D. J.; Taylor, WC; Tennyson, B. P.; Terman, P. A.; Tiedt, D. R.; To, W.; Tripathi, M.; Tvrznikova, L.; Uvarov, S.; Verbus, J.R.; Webb, R. C.; White, J. T.; Whitis, T. J.; Witherell, M. S.; Wolfs, F. L. H.; Xu, Jing; Yazdani, Kamran; Young, S. K.; Zhang, C.

doi:10.1103/physrevlett.118.021303

articlePhysical Review LettersJan 11, 2017BRONZE OA

Results from a Search for Dark Matter in the Complete LUX Exposure

DSD. S. Akerib SAS. Alsum HMH. M. Araújo XBX. Bai AJA. J. Bailey

Kavli Institute for Particle Astrophysics and Cosmology · Case Western Reserve University · +23 more institutions

PubMed

Indexed inarxivcrossrefpubmed

Abstract

We report constraints on spin-independent weakly interacting massive particle (WIMP)-nucleon scattering using a 3.35×10^{4} kg day exposure of the Large Underground Xenon (LUX) experiment. A dual-phase xenon time projection chamber with 250 kg of active mass is operated at the Sanford Underground Research Facility under Lead, South Dakota (USA). With roughly fourfold improvement in sensitivity for high WIMP masses relative to our previous results, this search yields no evidence of WIMP nuclear recoils. At a WIMP mass of 50 GeV c^{-2}, WIMP-nucleon spin-independent cross sections above 2.2×10^{-46} cm^{2} are excluded at the 90% confidence level. When combined with the previously reported LUX exposure, this…

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Keywords

WIMP
Physics
Dark matter
Xenon
Time projection chamber
Weakly interacting massive particles
Nuclear physics
Massive particle

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