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

Journal Article · · Physical Review D

Here, 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 $${1.4}\times 10^{4}\;\mathrm{kg\,days}$$ 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.

Research Organization:
Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States); Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States); State Univ. of New York (SUNY), Albany, NY (United States); Univ. of Rochester, Rochester, NY (United States)
Sponsoring Organization:
USDOE; USDOE National Nuclear Security Administration (NNSA); USDOE Office of Science (SC), High Energy Physics (HEP); USDOE Office of Science (SC), High Energy Physics (HEP) (SC-25)
Contributing Organization:
LUX Collaboration
Grant/Contract Number:
AC02-05CH11231; AC52-07NA27344; FG02-08ER41549; FG02-91ER40674; FG02-91ER40688; FG02-95ER40917; NA0000979; SC0006605; SC0015535; SC0017891
OSTI ID:
1416947
Report Number(s):
LLNL-JRNL-834210; ark:/13030/qt01f5s0q0
Journal Information:
Physical Review D, Journal Name: Physical Review D Journal Issue: 10 Vol. 97; ISSN PRVDAQ; ISSN 2470-0010
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English

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Cited By (10)

First direct detection constraint on mirror dark matter kinetic mixing using LUX 2013 data journal January 2020
Projected WIMP sensitivity of the LUX-ZEPLIN dark matter experiment journal March 2020
Search for annual and diurnal rate modulations in the LUX experiment journal September 2018
Electron extraction efficiency study for dual-phase xenon dark matter experiments journal May 2019
Directly Detecting Sub-GeV Dark Matter with Electrons from Nuclear Scattering journal September 2018
Results of a Search for Sub-GeV Dark Matter Using 2013 LUX Data journal April 2019
Directly Detecting Sub-GeV Dark Matter with Electrons from Nuclear Scattering text January 2018
Projected WIMP sensitivity of the LUX-ZEPLIN (LZ) dark matter experiment text January 2018
Electron extraction efficiency study for dual-phase xenon dark matter experiments text January 2019
First direct detection constraint on mirror dark matter kinetic mixing using LUX 2013 data text January 2019

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