Scintillation and ionization ratio of liquid argon for electronic and nuclear recoils at drift-fields up to 3 kV/cm

研究成果: Article査読

2 被引用数 (Scopus)

抄録

A two-phase argon detector has high discrimination power between electron recoil and nuclear recoil events based on the pulse shape discrimination and the ionization/scintillation ratio (S2/S1). This character is very suitable for the dark matter search to establish the low background experiment. However, the basic properties of S2/S1 of argon are not well known, as compared with xenon. We report the evaluation of S2/S1 properties with a two-phase detector at drift-fields of 0.2–3.0 kV/cm. Finally, the discrimination power against electron recoil background of S2/S1 is discussed.

本文言語English
ページ(範囲)22-25
ページ数4
ジャーナルNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
910
DOI
出版ステータスPublished - 2018 12 1

ASJC Scopus subject areas

  • 核物理学および高エネルギー物理学
  • 器械工学

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