Triple GEM operation in compressed he and kr

被引：21

作者：

Bondar, A ^{[1
]}

Buzulutskov, A ^{[1
]}

Shekhtman, L ^{[1
]}

Snopkov, V ^{[1
]}

Vasijev, A ^{[1
]}

机构：

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

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2002年 / 493卷 / 1-2期

关键词：

gas electron multipliers; noble gases; high pressures;

D O I：

10.1016/S0168-9002(02)01414-6

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

We study the performance of the triple gas electron multiplier (GEM) detector in pure noble gases, He and Kr, at high pressures, varying from 1 to 15 atm. The operation in these gases is compared to that recently studied in Ne, Ar and Xe. It turned out that light noble gases, He and Ne, have superior performances: the highest gain, approaching 10(5), and an unusual gain dependence on pressure. In particular, the maximum gain in He and Ne does not decrease with pressure, in contrast to Ar, Kr and Xe. These results are relevant for understanding the basic mechanisms of electron avalanching in noble gases and for applications in cryogenic particle detectors, X-ray imaging and neutron detectors. (C) 2002 Elsevier Science B.V. All rights reserved.

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页码：8 / 15

页数：8

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