GEM operation in pure noble gases and the avalanche confinement

被引：44

作者：

Buzulutskov, A ^{[1
]}

Shekhtman, L

Bressan, A

Di Mauro, A

Ropelewski, L

Sauli, F

Biagi, S

机构：

[1] Budker Inst Nucl Phys, Novosibirsk 630090, Russia

[2] CERN, Geneva, Switzerland

[3] Univ Liverpool, Liverpool L69 3BX, Merseyside, England

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 1999年 / 433卷 / 1-2期

关键词：

D O I：

10.1016/S0168-9002(99)00295-8

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

We study the operation of the Gas Electron Multiplier (GEM) in pure Ar and almost pure Xe. Rather high gas gains obtained in pure Ar, of the order of 1000, are explained by the effect of the avalanche confinement to a GEM micro-hole. Applications to the development of non-ageing sealed photon detector filled with pure noble gases are discussed. In particular, it is shown that the photoelectron collection efficiency deteriorated in pure Ar due to electron backscattering, can be recovered by operation at a higher electric field. (C) 1999 Elsevier Science B.V. All rights reserved.

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页码：471 / 475

页数：5

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