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

被引：927
|
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.
引用
收藏
页码：29 / 35
页数：7
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