Study of sparking in Micromegas chambers

被引：21

作者：

Bay, A

Perroud, JP ^{[1
]}

Ronga, F

Derré, J

Giomataris, Y

Delbart, A

Papadopoulos, Y

机构：

[1] Univ Lausanne, IPHE, BSP, CH-1015 Lausanne, Switzerland

[2] CEA Saclay, DAPNIA, F-91191 Gif Sur Yvette, France

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2002年 / 488卷 / 1-2期

关键词：

D O I：

10.1016/S0168-9002(02)00510-7

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

The discharge properties of Micromegas detector are studied in detail. Tests have demonstrated that the origin of discharges in hadron beams is mainly associated with nuclear interactions of the incident particle with the gas of the detector. Use of low average Z gas mixtures diminishes the spark rate. The streamer discharge model of Raether has been proved to be valid for this detector. A detector polarization which minimizes the,,park energy is proposed. Gas and geometry factors improving the discharge limit are discussed. (C) 2002 Elsevier Science B.V. All rights reserved.

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收藏

页码：162 / 174

页数：13

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