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介绍了自行研制的Micromegas探测器的基本结构和工作原理. 在不同工作气体(Ar和CO2)配比条件下,利用55Fe放射源对该探测器的能量分辨、计数曲线和气体增益等特性进行了较为详尽的测试. 对相关结果进行了讨论.
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关键词:
- Micromegas探测器 /
- 计数曲线 /
- 能量分辨率 /
- 增益
In this paper, we describe the structure of Micromegas (micro mesh gaseous structure) detector which has been developed recently by our group. And its count plateau, gas gain and energy resolution in the condition of a 55Fe X-ray source and various Ar-CO2 mixtured gases are plotted as functions of mesh voltage. Based on the experimental results, we confirm that we have mastered the technique of fabricating this kind of detector with high energy resolution and excellent performance.-
Keywords:
- Micromegas detector /
- count curve /
- energy resolution /
- gas gain
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