Test and simulation of a MICROMEGAS detector

被引：1

作者：

Lu Chen-Gui ^{[1
,2
]}

Duan Li-Min ^{[1
,2
]}

Hu Hu-Shan ^{[1
]}

Yang He-Run ^{[1
]}

Hu Rong-Jiang ^{[1
]}

Zhang Jin-Xia ^{[1
]}

Li Zu-Yu ^{[1
]}

机构：

[1] Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Peoples R China

[2] Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China

来源：

CHINESE PHYSICS C | 2011年 / 35卷 / 11期

关键词：

position resolution; time resolution; detection efficiency; Monte Carlo simulation; GASEOUS DETECTOR; BULK;

D O I：

10.1088/1674-1137/35/11/010

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

We report on the recent test results of a MICROMEGAS detector in terms of position resolution, time resolution and efficiency. With a. Ar+CO(2) (10%) gas mixture and a strip pitch of 200 mu m an accuracy of 80 mu m in sigma on the position has been measured. The time resolution is better than 20 ns and a cosmic ray detection efficiency of 94% was obtained. A Monte Carlo simulation indicates that transverse diffusion, gain fluctuation and electronic noise limit the position resolution.

引用

页码：1033 / 1036

页数：4

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