Authors
DS Akerib, HM Araújo, X Bai, AJ Bailey, J Balajthy, E Bernard, A Bernstein, A Bradley, D Byram, SB Cahn, MC Carmona-Benitez, C Chan, JJ Chapman, AA Chiller, C Chiller, T Coffey, A Currie, L De Viveiros, A Dobi, J Dobson, E Druszkiewicz, B Edwards, CH Faham, S Fiorucci, C Flores, RJ Gaitskell, VM Gehman, C Ghag, KR Gibson, MGD Gilchriese, C Hall, SA Hertel, M Horn, DQ Huang, M Ihm, RG Jacobsen, K Kazkaz, R Knoche, NA Larsen, C Lee, A Lindote, MI Lopes, DC Malling, R Mannino, DN McKinsey, D-M Mei, J Mock, M Moongweluwan, J Morad, A St J Murphy, C Nehrkorn, H Nelson, F Neves, RA Ott, M Pangilinan, PD Parker, EK Pease, K Pech, P Phelps, L Reichhart, T Shutt, C Silva, VN Solovov, P Sorensen, K O’Sullivan, TJ Sumner, M Szydagis, D Taylor, B Tennyson, DR Tiedt, M Tripathi, S Uvarov, JR Verbus, N Walsh, R Webb, JT White, MS Witherell, FLH Wolfs, M Woods, C Zhang
Publication date
2015/3/1
Journal
Astroparticle Physics
Volume
62
Pages
33-46
Publisher
North-Holland
Description
Abstract The Large Underground Xenon (LUX) dark matter experiment aims to detect rare low-energy interactions from Weakly Interacting Massive Particles (WIMPs). The radiogenic backgrounds in the LUX detector have been measured and compared with Monte Carlo simulation. Measurements of LUX high-energy data have provided direct constraints on all background sources contributing to the background model. The expected background rate from the background model for the 85.3 day WIMP search run is (2.6±0.2 stat±0.4 sys)× 10-3 events keV ee-1 kg-1 day-1 in a 118 kg fiducial volume. The observed background rate is (3.6±0.4 stat)× 10-3 events keV ee-1 kg-1 day-1, consistent with model projections. The expectation for the radiogenic background in a subsequent one-year run is presented.
Scholar articles
DS Akerib, HM Araújo, X Bai, AJ Bailey, J Balajthy… - Astroparticle Physics, 2015