Calibration, event reconstruction, data analysis, and limit calculation for the LUX dark matter experiment

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Title: Calibration, event reconstruction, data analysis, and limit calculation for the LUX dark matter experiment
Authors: Akerib, DS
Alsum, S
Araujo, HM
Bai, X
Bailey, AJ
Balajthy, J
Beltrame, P
Bernard, EP
Bernstein, A
Biesiadzinski, TP
Boulton, EM
Bras, P
Byram, D
Cahn, SB
Carmona-Benitez, MC
Chan, C
Currie, A
Cutter, JE
Davison, TJR
Dobi, A
Dobson, JEY
Druszkiewicz, E
Edwards, BN
Faham, CH
Fallon, SR
Fan, A
Fiorucci, S
Gaitskell, RJ
Gehman, VM
Genovesi, J
Ghag, C
Gilchriese, GD
Hall, CR
Hanhardt, M
Haselschwardt, SJ
Hertel, SA
Hogan, DP
Horn, M
Huang, DQ
Ignarra, CM
Jacobsen, RG
Ji, W
Kamdin, K
Kazkaz, K
Khaitan, D
Knoche, R
Larsen, NA
Lee, C
Lenardo, BG
Lesko, KT
Lindote, A
Lopes, MI
Manalaysay, A
Mannino, RL
Marzioni, MF
McKinsey, DN
Mei, D-M
Mock, J
Moongweluwan, M
Morad, JA
Murphy, ASJ
Nehrkorn, C
Nelson, HN
Neves, F
O'Sullivan, K
Oliver-Mallory, KC
Palladino, KJ
Pease, EK
Reichhart, L
Rhyne, C
Shaw, S
Shutt, TA
Silva, C
Solmaz, M
Solovov, VN
Sorensen, P
Sumner, TJ
Szydagis, M
Taylor, DJ
Taylor, WC
Tennyson, BP
Terman, PA
Tiedt, DR
To, WH
Tripathi, M
Tvrznikova, L
Uvarov, S
Velan, V
Verbus, JR
Webb, RC
White, JT
Whitis, TJ
Witherell, MS
Wolfs, FLH
Xu, J
Yazdani, K
Young, SK
Zhang, C
Item Type: Journal Article
Abstract: The LUX experiment has performed searches for dark-matter particles scattering elastically on xenon nuclei, leading to stringent upper limits on the nuclear scattering cross sections for dark matter. Here, for results derived from 1.4×104  kg days of target exposure in 2013, details of the calibration, event-reconstruction, modeling, and statistical tests that underlie the results are presented. Detector performance is characterized, including measured efficiencies, stability of response, position resolution, and discrimination between electron- and nuclear-recoil populations. Models are developed for the drift field, optical properties, background populations, the electron- and nuclear-recoil responses, and the absolute rate of low-energy background events. Innovations in the analysis include in situ measurement of the photomultipliers’ response to xenon scintillation photons, verification of fiducial mass with a low-energy internal calibration source, and new empirical models for low-energy signal yield based on large-sample, in situ calibrations.
Issue Date: 31-May-2018
Date of Acceptance: 1-May-2018
ISSN: 2470-0010
Publisher: American Physical Society
Journal / Book Title: PHYSICAL REVIEW D
Volume: 97
Issue: 10
Copyright Statement: © 2018 American Physical Society
Keywords: Science & Technology
Physical Sciences
Astronomy & Astrophysics
Physics, Particles & Fields
Publication Status: Published
Article Number: ARTN 102008
Online Publication Date: 2018-05-31
Appears in Collections:Physics
High Energy Physics
Faculty of Natural Sciences

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