First observation of liquid xenon electroluminescence with a Microstrip Plate

G. Martinez-Lema; V. Chepel; A. Roy; A. Breskin

doi:10.1088/1748-0221/19/02/P02037

First observation of liquid xenon electroluminescence with a Microstrip Plate

Instrumentation and Detectors 2024-09-17 v2 Instrumentation and Methods for Astrophysics High Energy Physics - Experiment

Authors: G. Martinez-Lema , V. Chepel , A. Roy , A. Breskin

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Abstract

We report on the first observation of electroluminescence amplification with a Microstrip Plate immersed in liquid xenon. The electroluminescence of the liquid, induced by alpha-particles, was observed in an intense non-uniform electric field in the vicinity of 8- $\mu$ m narrow anode strips interlaced with wider cathode ones, deposited on the same side of a glass substrate. The electroluminescence yield in the liquid reached a value of $(35.5 \pm 2.6)$ VUV photons/electron. We propose ways of enhancing this response with more appropriate microstructures towards their potential incorporation as sensing elements in single-phase noble-liquid detectors.

Keywords

liquid xenon electroluminescence Microstrip Plate VUV photons noble-liquid detector alpha-particles

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@article{arxiv.2312.14663,
  title  = {First observation of liquid xenon electroluminescence with a Microstrip Plate},
  author = {G. Martinez-Lema and V. Chepel and A. Roy and A. Breskin},
  journal= {arXiv preprint arXiv:2312.14663},
  year   = {2024}
}

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17 pages, 14 figures, prepared for submission to JINST

First observation of liquid xenon electroluminescence with a Microstrip Plate

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