First observation of liquid-xenon proportional electroluminescence in THGEM holes

被引：25

作者：

Arazi, L. ^{[1
]}

Coimbra, A. E. C. ^{[2
]}

Itay, R. ^{[1
]}

Landsman, H. ^{[1
]}

Levinson, L. ^{[1
]}

Pasmantirer, B. ^{[1
]}

Rappaport, M. L. ^{[1
]}

Vartsky, D. ^{[1
]}

Breskin, A. ^{[1
]}

机构：

[1] Weizmann Inst Sci, IL-76100 Rehovot, Israel

[2] Univ Coimbra, Coimbra, Portugal

来源：

JOURNAL OF INSTRUMENTATION | 2013年 / 8卷

关键词：

Charge transport; multiplication and electroluminescence in rare gases and liquids; Noble liquid detectors (scintillation; ionization; double-phase); Micropattern gaseous detectors (MSGC; GEM; THGEM; RETHGEM; MHSP; MICROPIC; MICROMEGAS; InGrid; etc); ELECTRON MULTIPLICATION; PHOTOCATHODES; AVALANCHE; ARGON; KR;

D O I：

10.1088/1748-0221/8/12/C12004

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

Radiation-induced proportional-electroluminescence UV signals, emitted from the holes of a Thick Gas Electron Multiplier (THGEM) electrode immersed in liquid xenon, were recorded with a PMT for the first time. Significant photon yields were observed with gamma photons and alpha particles using a 0.4 mm thick electrode with 0.3 mm diameter holes; at 2 kV across the THGEM the photon yield was estimated to be similar to 600 UV photons/electron over 4 pi. This may pave the way towards the realization of novel single-phase noble-liquid radiation detectors incorporating liquid hole-multipliers (LHM); their concept is presented.

引用

页数：17

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