Neutral bremsstrahlung in two-phase argon electroluminescence: further studies and possible applications

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Abstract

We further study the effect of neutral bremsstrahlung (NBrS) in two-phase argon electroluminescence (EL), revealed recently in Buzulutskov et al. (2018). The absolute EL yield due to NBrS effect, in the visible and NIR range, was remeasured in pure gaseous argon in the two-phase mode, using a two-phase detector with EL gap read out directly by cryogenic PMTs and SiPMs. Possible applications of the NBrS effect in detection science are discussed, including those in two-phase dark matter detectors.

Original languageEnglish
Article number162432
Number of pages4
JournalNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume958
DOIs
Publication statusPublished - 1 Apr 2020

Keywords

  • Dark matter detectors
  • Electroluminescence
  • Neutral bremsstrahlung
  • Two-phase argon detectors

OECD FOS+WOS

  • 1.03 PHYSICAL SCIENCES AND ASTRONOMY
  • 1.03.UN PHYSICS, NUCLEAR

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