基于GEM读出的TPC工作气体的研究

来源 :高能物理与核物理 | 被引量 : 0次 | 上传用户：alex_tan01

【摘要】

：

针对TPC中对于电子漂移的要求,结合Garfield软件,研究了我们所研制的TPC原型所用的工作气体.分析了不同气体对于电子漂移的寿命、漂移速度、横向和纵向扩散,以及电离特性等参

【作者】

：

曹良俊李玉兰来永芳李金李元景

【机构】

：

清华大学工程物理系,防化指挥工程学院,中国科学院高能物理研究所

【出处】

：

高能物理与核物理

【发表日期】

：

2004年期

【关键词】

：

GEM TPC 工作气体电子漂移电子扩散气体电离电子寿命

【基金项目】

：

国家自然科学基金;

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针对TPC中对于电子漂移的要求,结合Garfield软件,研究了我们所研制的TPC原型所用的工作气体.分析了不同气体对于电子漂移的寿命、漂移速度、横向和纵向扩散,以及电离特性等参数的影响;结合分析论证,得到了以Ar,CH4和CF4为主要成分的气体作为工作气体时TPC的性能指标.并且测试了该气体中的读出GEM探测器的能量分辨率、气体增益等性能参数,获得了很好的结果.

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基于GEM读出的TPC工作气体的研究

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