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

LUX Collaboration

doi:10.1103/PhysRevD.97.102008

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

LUX Collaboration

Research output: Contribution to journal › Article › peer-review

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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.

Original language	English (US)
Article number	102008
Journal	Physical Review D
Volume	97
Issue number	10
DOIs	https://doi.org/10.1103/PhysRevD.97.102008
State	Published - May 15 2018

All Science Journal Classification (ASJC) codes

Nuclear and High Energy Physics

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10.1103/PhysRevD.97.102008

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@article{463e0d5e1656405799de47a385699790,

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

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.",

author = "{LUX Collaboration} and Akerib, {D. S.} and S. Alsum and Ara{\'u}jo, {H. M.} and X. Bai and Bailey, {A. J.} and J. Balajthy and P. Beltrame and Bernard, {E. P.} and A. Bernstein and Biesiadzinski, {T. P.} and Boulton, {E. M.} and P. Br{\'a}s and D. Byram and Cahn, {S. B.} and Carmona-Benitez, {M. C.} and C. Chan and A. Currie and Cutter, {J. E.} and Davison, {T. J.R.} and A. Dobi and Dobson, {J. E.Y.} and E. Druszkiewicz and Edwards, {B. N.} and Faham, {C. H.} and Fallon, {S. R.} and A. Fan and S. Fiorucci and Gaitskell, {R. J.} and Gehman, {V. M.} and J. Genovesi and C. Ghag and Gilchriese, {M. G.D.} and Hall, {C. R.} and M. Hanhardt and Haselschwardt, {S. J.} and Hertel, {S. A.} and Hogan, {D. P.} and M. Horn and Huang, {D. Q.} and Ignarra, {C. M.} and Jacobsen, {R. G.} and W. Ji and K. Kamdin and K. Kazkaz and D. Khaitan and R. Knoche and Larsen, {N. A.} and C. Lee and Lenardo, {B. G.} and Lesko, {K. T.}",

note = "Publisher Copyright: {\textcopyright} 2018 American Physical Society.",

year = "2018",

month = may,

day = "15",

doi = "10.1103/PhysRevD.97.102008",

language = "English (US)",

volume = "97",

journal = "Physical Review D",

issn = "2470-0010",

publisher = "American Physical Society",

number = "10",

}

TY - JOUR

T1 - Calibration, event reconstruction, data analysis, and limit calculation for the LUX dark matter experiment

AU - LUX Collaboration

AU - Akerib, D. S.

AU - Alsum, S.

AU - Araújo, H. M.

AU - Bai, X.

AU - Bailey, A. J.

AU - Balajthy, J.

AU - Beltrame, P.

AU - Bernard, E. P.

AU - Bernstein, A.

AU - Biesiadzinski, T. P.

AU - Boulton, E. M.

AU - Brás, P.

AU - Byram, D.

AU - Cahn, S. B.

AU - Carmona-Benitez, M. C.

AU - Chan, C.

AU - Currie, A.

AU - Cutter, J. E.

AU - Davison, T. J.R.

AU - Dobi, A.

AU - Dobson, J. E.Y.

AU - Druszkiewicz, E.

AU - Edwards, B. N.

AU - Faham, C. H.

AU - Fallon, S. R.

AU - Fan, A.

AU - Fiorucci, S.

AU - Gaitskell, R. J.

AU - Gehman, V. M.

AU - Genovesi, J.

AU - Ghag, C.

AU - Gilchriese, M. G.D.

AU - Hall, C. R.

AU - Hanhardt, M.

AU - Haselschwardt, S. J.

AU - Hertel, S. A.

AU - Hogan, D. P.

AU - Horn, M.

AU - Huang, D. Q.

AU - Ignarra, C. M.

AU - Jacobsen, R. G.

AU - Ji, W.

AU - Kamdin, K.

AU - Kazkaz, K.

AU - Khaitan, D.

AU - Knoche, R.

AU - Larsen, N. A.

AU - Lee, C.

AU - Lenardo, B. G.

AU - Lesko, K. T.

PY - 2018/5/15

Y1 - 2018/5/15

N2 - 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.

AB - 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.

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UR - http://www.scopus.com/inward/citedby.url?scp=85048070638&partnerID=8YFLogxK

U2 - 10.1103/PhysRevD.97.102008

DO - 10.1103/PhysRevD.97.102008

M3 - Article

AN - SCOPUS:85048070638

SN - 2470-0010

VL - 97

JO - Physical Review D

JF - Physical Review D

IS - 10

M1 - 102008

ER -

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

Abstract

All Science Journal Classification (ASJC) codes

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