학술논문
First Results of the LUX Dark Matter Experiment
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article
Author
Carmona-Benitez, MC; Akerib, DS; Araújo, HM; Bai, X; Bailey, AJ; Balajthy, J; Beltrame, P; Bernard, E; Bernstein, A; Bradley, A; Byram, D; Cahn, SB; Chan, C; Chapman, JJ; Chiller, AA; Chiller, C; Currie, A; deViveiros, L; Dobi, A; Dobson, J; Druszkiewicz, E; Edwards, B; Faha, CH; Fiorucci, S; Flores, C; Gaitskel, RJ; Gehman, VM; Ghag, C; Gibson, KR; Gilchriese, MGD; Hall, C; Hanhardt, M; Haselschwardt, S; Hertel, SA; Horng, M; Huang, DQ; Ihm, M; Jacobsen, RG; Kazkaz, K; Knoche, R; Larsen, NA; Lee, C; Lenardo, B; Lesko, KT; Lindote, A; Lopes, MI; Malling, DC; Manalaysay, A; Mannino, R; McKinsey, DN; Mei, DM; Mock, J; Moongweluwan, M; Morad, J; Murphy, ASJ; Nehrkorn, C; Nelson, H; Neves, F; Ott, RA; Pangilinan, M; Parker, PD; Pease, EK; Pech, K; Phelps, P; Reichhart, L; Shutt, T; Silva, C; Solovov, VN; Sorensen, P; O'Sullivan, K; Sumner, TJ; Szydagis, M; Taylor, D; Tennyson, B; Tiedt, DR; Tripathi, M; Tvrznikova, L; Uvarov, S; Verbus, JR; Walsh, N; Webb, R; Whiter, JT; Witherell, MS; Wolfs, FLH; Woods, M; Zhang, C
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Abstract
LUX (Large Underground Xenon) is a dark matter direct detection experiment deployed at the 4850' level of the Sanford Underground Research Facility (SURF) in Lead, SD, operating a 370 kg dual-phase xenon TPC. Results of the first WIMP search run were presented in late 2013, for the analysis of 85.3 live-days with a fiducial volume of 118 kg, taken during the period of April to August 2013. The experiment exhibited a sensitivity to spin-independent WIMP-nucleon elastic scattering with a minimum upper limit on the cross section of 7.6×10-46cm2 at a WIMP mass of 33 GeV/c2, becoming the world's leading WIMP search result, in conflict with several previous claimed hints of discovery.