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지하실험 연구단
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Projected WIMP sensitivity of the LUX-ZEPLIN dark matter experiment

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Title
Projected WIMP sensitivity of the LUX-ZEPLIN dark matter experiment
Author(s)
Akerib, DS; Akerlof, CW; Alsum, SK; Araujo, HM; Arthurs, M; Bai, X; Bailey, AJ; Balajthy, J; Balashov, S; Bauer, D; Belle, J; Beltrame, P; Benson, T; Bernard, EP; Biesiadzinski, TP; Boast, KE; Boxer, B; Bras, P; Buckley, JH; Bugaev, VV; Burdin, S; Busenitz, JK; Carels, C; Carlsmith, DL; Carlson, B; Carmona-Benitez, MC; Chan, C; Cherwinka, JJ; Cole, A; Cottle, A; Craddock, WW; Currie, A; Cutter, JE; Dahl, CE; de Viveiros, L; Dobi, A; Dobson, JEY; Druszkiewicz, E; Edberg, TK; Edwards, WR; Fan, A; Fayer, S; Fiorucci, S; Fruth, T; Gaitskell, RJ; Genovesi, J; Ghag, C; Gilchriese, MGD; van der Grinten, MGD; Hall, CR; Hans, S; Hanzel, K; Haselschwardt, SJ; Hertel, SA; Hillbrand, S; Hjemfelt, C; Hoff, MD; Hor, JYK; Huang, DQ; Ignarra, CM; Ji, W; Kaboth, AC; Kamdin, K; Keefner, J; Khaitan, D; Khazov, A; Yeongduk Kim; Kocher, CD; Korolkova, EV; Kraus, H; Krebs, HJ; Kreczko, L; Krikler, B; Kudryavtsev, VA; Kyre, S; Jaison Lee; Lenardo, BG; Douglas, Leonard; Lesko, KT; Levy, C; Jin Li; Liao, J; Liao, FT; Lin, J; Lindote, A; Linehan, R; Lippincott, WH; Liu, X; Lopes, MI; Paredes, BL; Lorenzon, W; Luitz, S; Lyle, JM; Majewski, P; Manalaysay, A; Mannino, RL; Maupin, C; McKinsey, DN; Meng, Y; Miller, EH; Mock, J; Monzani, ME; Morad, JA; Morrison, E; Mount, BJ; Murphy, AS; Nelson, HN; Neves, F; Nikoleyczik, J; O'Sullivan, K; Olcina, I; Olevitch, MA; Oliver-Mallory, KC; Palladino, KJ; Patton, SJ; Pease, EK; Penning, B; Piepke, A; Powell, S; Preece, RM; Pushkin, K; Ratcliff, BN; Reichenbacher, J; Rhyne, CA; Richards, A; Rodrigues, JP; Rosero, R; Rossiter, P; Saba, JS; Sarychev, M; Schnee, RW; Schubnell, M; Scovell, PR; Shaw, S; Shutt, TA; Silk, JJ; Silva, C; Skarpaas, K; Skulski, W; Solmaz, M; Solovov, VN; Sorensen, P; Stancu, I; Stark, MR; Stiegler, TM; Stifter, K; Szydagis, M; Taylor, WC; Taylor, R; Taylor, DJ; Temples, D; Terman, PA; Thomas, KJ; Timalsina, M; To, WH; Tomas, A; Tope, TE; Tripathi, M; Tull, CE; Tvrznikova, L; Utku, U; Vavra, J; Vacheret, A; Verbus, JR; Voirin, E; Waldron, WL; Watson, JR; Webb, RC; White, DT; Whitis, TJ; Wisniewski, WJ; Witherell, MS; Wolfs, FLH; Woodward, D; Worm, SD; Yeh, M; Yin, J; Young, I
Subject
LOADED LIQUID SCINTILLATOR, ; XENON, ; SIMULATION, ; LIMITS, ; RADIOACTIVITY, ; BACKGROUNDS, ; EMISSION, ; DETECTOR, ; RECOIL, ; GASES
Publication Date
2020-03
Journal
PHYSICAL REVIEW D, v.101, no.5, pp.052002
Publisher
AMER PHYSICAL SOC
Abstract
© 2020 American Physical Society. LUX-ZEPLIN (LZ) is a next-generation dark matter direct detection experiment that will operate 4850 feet underground at the Sanford Underground Research Facility (SURF) in Lead, South Dakota, USA. Using a two-phase xenon detector with an active mass of 7 tonnes, LZ will search primarily for low-energy interactions with weakly interacting massive particles (WIMPs), which are hypothesized to make up the dark matter in our galactic halo. In this paper, the projected WIMP sensitivity of LZ is presented based on the latest background estimates and simulations of the detector. For a 1000 live day run using a 5.6-tonne fiducial mass, LZ is projected to exclude at 90% confidence level spin-independent WIMP-nucleon cross sections above 1.4 x 10(-48) cm(2) for a 40 GeV/c(2) mass WIMP. Additionally, a 5 sigma discovery potential is projected, reaching cross sections below the exclusion limits of recent experiments. For spin-dependent WIMP-neutron(-proton) scattering, a sensitivity of 2.3 x 10(-43) cm(2) (7.1 x 10(-42) cm(2)) for a 40 GeV/c(2) mass WIMP is expected. With underground installation well underway, LZ is on track for commissioning at SURF in 2020
URI
https://pr.ibs.re.kr/handle/8788114/8719
DOI
10.1103/PhysRevD.101.052002
ISSN
2470-0010
Appears in Collections:
Center for Underground Physics(지하실험 연구단) > 1. Journal Papers (저널논문)
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