publication . Preprint . Article . 2017

3D Modeling of Electric Fields in the LUX Detector

LUX Collaboration; Akerib, D. S.; Alsum, S.; Araújo, H. M.; Bai, X.; Bailey, A. J.; Balajthy, J.; Beltrame, P.; Bernard, E. P.; Bernstein, A.; ...
Open Access English
  • Published: 24 Nov 2017
Abstract
This work details the development of a three-dimensional (3D) electric field model for the LUX detector. The detector took data to search for weakly interacting massive particles (WIMPs) during two periods. After the first period completed, a time-varying non-uniform negative charge developed in the polytetrafluoroethylene (PTFE) panels that define the radial boundary of the detector's active volume. This caused electric field variations in the detector in time, depth and azimuth, generating an electrostatic radially-inward force on electrons on their way upward to the liquid surface. To map this behavior, 3D electric field maps of the detector's active volume w...
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Subjects
free text keywords: Physics - Instrumentation and Detectors, High Energy Physics - Experiment, Physics - Computational Physics, Analysis and statistical methods; Detector modelling and simulations II (electric fields, charge transport, multiplication and induction, pulse formation, electron emission, etc); Noble liquid detectors (scintillation, ionization, double-phase); Dark Matter detectors (WIMPs, axions, etc.), Science & Technology, Technology, Instruments & Instrumentation, Analysis and statistical methods, Detector modelling and simulations II (electric fields, charge transport, multiplication and induction, pulse formation, electron emission, etc), Noble liquid detectors (scintillation, ionization, double-phase), Dark Matter detectors (WIMPs, axions, etc.), LIGHT, CALORIMETER, CHAMBERS, physics.ins-det, hep-ex, physics.comp-ph, Nuclear & Particles Physics, Detector modelling and simulations II, Noble liquid detectors, Dark Matter detectors, Other Physical Sciences, Physical Sciences, Engineering
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RCUK| Quota Studentship 2012
Project
  • Funder: Research Council UK (RCUK)
  • Project Code: ST/K502406/1
  • Funding stream: STFC
,
NSF| Astroparticle Detection
Project
  • Funder: National Science Foundation (NSF)
  • Project Code: 1102470
  • Funding stream: Directorate for Mathematical & Physical Sciences | Division of Physics
,
RCUK| Training Grant Imperial Physics
Project
  • Funder: Research Council UK (RCUK)
  • Project Code: ST/M503538/1
  • Funding stream: STFC
,
NSF| Experimental Particle Cosmology at Case
Project
  • Funder: National Science Foundation (NSF)
  • Project Code: 1004661
  • Funding stream: Directorate for Mathematical & Physical Sciences | Division of Physics
,
NSF| Astroparticle Detection
Project
  • Funder: National Science Foundation (NSF)
  • Project Code: 0801536
  • Funding stream: Directorate for Mathematical & Physical Sciences | Division of Physics
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