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Tritium calibration of the LUX dark matter experiment

Authors :
LUX Collaboration
Akerib, D. S.
Araújo, H. M.
Bai, X.
Bailey, A. J.
Balajthy, J.
Beltrame, P.
Bernard, E. P.
Bernstein, A.
Biesiadzinski, T. P.
Boulton, E. M.
Bradley, A.
Bramante, R.
Cahn, S. B.
Carmona-Benitez, M. C.
Chan, C.
Chapman, J. J.
Chiller, A. A.
Chiller, C.
Currie, A.
Cutter, J. E.
Davison, T. J. R.
de Viveiros, L.
Dobi, A.
Dobson, J. E. Y.
Druszkiewicz, E.
Edwards, B. N.
Faham, C. H.
Fiorucci, S.
Gaitskell, R. J.
Gehman, V. M.
Ghag, C.
Gibson, K. R.
Gilchriese, M. G. D.
Hall, C. R.
Hanhardt, M.
Haselschwardt, S. J.
Hertel, S. A.
Hogan, D. P.
Horn, M.
Huang, D. Q.
Ignarra, C. M.
Ihm, M.
Jacobsen, R. G.
Ji, W.
Kazkaz, K.
Khaitan, D.
Knoche, R.
Larsen, N. A.
Lee, C.
Lenardo, B. G.
Lesko, K. T.
Lindote, A.
Lopes, M. I.
Malling, D. C.
Manalaysay, A. G.
Mannino, R. L.
Marzioni, M. F.
McKinsey, D. N.
Mei, D. M.
Mock, J.
Moongweluwan, M.
Morad, J. A.
Murphy, A. St. J.
Nehrkorn, C.
Nelson, H. N.
Neves, F.
O`Sullivan, K.
Oliver-Mallory, K. C.
Ott, R. A.
Palladino, K. J.
Pangilinan, M.
Pease, E. K.
Phelps, P.
Reichhart, L.
Rhyne, C.
Shaw, S.
Shutt, T. A.
Silva, C.
Solovov, V. N.
Sorensen, P.
Stephenson, S.
Sumner, T. J.
Szydagis, M.
Taylor, D. J.
Taylor, W.
Tennyson, B. P.
Terman, P. A.
Tiedt, D. R.
To, W. H.
Tripathi, M.
Tvrznikova, L.
Uvarov, S.
Verbus, J. R.
Webb, R. C.
White, J. T.
Whitis, T. J.
Witherell, M. S.
Wolfs, F. L. H.
Young, S. K.
Zhang, C.
Source :
Phys. Rev. D 93, 072009 (2016)
Publication Year :
2015

Abstract

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 V/cm 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 re-analysis of the LUX Run3 WIMP search.

Subjects

Subjects :
Physics - Instrumentation and Detectors
Astrophysics - Instrumentation and Methods for Astrophysics
High Energy Physics - Experiment

Details

Database :
arXiv
Journal :
Phys. Rev. D 93, 072009 (2016)
Publication Type :
Report
Accession number :
edsarx.1512.03133
Document Type :
Working Paper
Full Text :
https://doi.org/10.1103/PhysRevD.93.072009
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