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Title: Tritium calibration of the LUX dark matter experiment

Abstract

Here, we present measurements of the electron-recoil (ER) response of the LUX dark matter detector based upon 170,000 highly pure and spatially uniform tritium decays. We reconstruct the tritium energy spectrum using the combined energy model and find good agreement with expectations. We report the average charge and light yields of ER events in liquid xenon at 180 and 105 V/cm and compare the results to the NEST model. We also measure the mean charge recombination fraction and its fluctuations, and we investigate the location and width of the LUX ER band. These results provide input to a reanalysis of the LUX run 3 weakly interacting massive particle search.

Authors:
 [1]
  1. Case Western Reserve Univ., Cleveland, OH (United States); SLAC National Accelerator Lab., Menlo Park, CA (United States); Stanford Univ., Stanford, CA (United States). et al.
Publication Date:
Research Org.:
SLAC National Accelerator Lab., Menlo Park, CA (United States); Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States); Univ. of California, Santa Barbara, CA (United States)
Sponsoring Org.:
USDOE Office of Science (SC), High Energy Physics (HEP)
Contributing Org.:
LUX Collaboration
OSTI Identifier:
1257742
Alternate Identifier(s):
OSTI ID: 1248255; OSTI ID: 1436594; OSTI ID: 1602002
Report Number(s):
SLAC-PUB-16556
Journal ID: ISSN 2470-0010; PRVDAQ
Grant/Contract Number:  
AC02-76SF00515; FG02-08ER41549; FG02-91ER40688; FG02-95ER40917; FG02-91ER40674; NA0000979; FG02-11ER41738; SC0006605; AC02-05CH11231; AC52-07NA27344; FG01-91ER40618; FG01-91ER40618FG02-08ER41549; SC0011702
Resource Type:
Accepted Manuscript
Journal Name:
Physical Review D
Additional Journal Information:
Journal Volume: 93; Journal Issue: 7; Journal ID: ISSN 2470-0010
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS

Citation Formats

Akerib, D. S. Tritium calibration of the LUX dark matter experiment. United States: N. p., 2016. Web. doi:10.1103/PhysRevD.93.072009.
Akerib, D. S. Tritium calibration of the LUX dark matter experiment. United States. doi:10.1103/PhysRevD.93.072009.
Akerib, D. S. Wed . "Tritium calibration of the LUX dark matter experiment". United States. doi:10.1103/PhysRevD.93.072009. https://www.osti.gov/servlets/purl/1257742.
@article{osti_1257742,
title = {Tritium calibration of the LUX dark matter experiment},
author = {Akerib, D. S.},
abstractNote = {Here, we present measurements of the electron-recoil (ER) response of the LUX dark matter detector based upon 170,000 highly pure and spatially uniform tritium decays. We reconstruct the tritium energy spectrum using the combined energy model and find good agreement with expectations. We report the average charge and light yields of ER events in liquid xenon at 180 and 105 V/cm and compare the results to the NEST model. We also measure the mean charge recombination fraction and its fluctuations, and we investigate the location and width of the LUX ER band. These results provide input to a reanalysis of the LUX run 3 weakly interacting massive particle search.},
doi = {10.1103/PhysRevD.93.072009},
journal = {Physical Review D},
number = 7,
volume = 93,
place = {United States},
year = {2016},
month = {4}
}

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