Liquid Hole Multipliers: bubble-assisted electroluminescence in liquid xenon

作者: L. Arazi , E. Erdal , A.E.C. Coimbra , M.L. Rappaport , D. Vartsky

DOI: 10.1088/1748-0221/10/08/P08015

关键词:

摘要: In this work we discuss the mechanism behind large electroluminescence signals observed at relatively low electric fields in holes of a Thick Gas Electron Multiplier (THGEM) electrode immersed liquid xenon. We present strong evidence that scintillation light is generated xenon bubbles trapped below THGEM holes. The process shown to be remarkably stable over months operation, providing - under specific thermodynamic conditions energy resolution similar dual-phase experiments. may serve as basis for development Liquid Hole Multipliers (LHMs), capable producing local charge-induced large-volume single-phase noble-liquid detectors dark matter and neutrino physics

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