MICROMEGAS: A high-granularity position-sensitive gaseous detector for high particle-flux environments

被引：930

作者：

Giomataris, Y

Rebourgeard, P

Robert, JP

Charpak, G

机构：

[1] ESPECI,PARIS,FRANCE

[2] ESPCI,PARIS,FRANCE

[3] CERN,AT,CH-1211 GENEVA,SWITZERLAND

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 1996年 / 376卷 / 01期

关键词：

D O I：

10.1016/0168-9002(96)00175-1

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

We describe a novel structure for a gaseous detector that is under development at Saclay. It consists of a two-stage parallel-plate avalanche chamber of small amplification gap (100 mu m) combined with a conversion-drift space. It follows a fast removal of positive ions produced during the avalanche development. Fast signals (less than or equal to 1 ns) are obtained during the collection of the electron avalanche on the anode microstrip plane. The positive ion signal has a duration of 100 ns. The fast evacuation of positive ions combined with the high granularity of the detector provide a high rate capability. Gas gains of up to 10(5) have been achieved.

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收藏

页码：29 / 35

页数：7

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