| GEM探测器α表面污染监测系统研制 |
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| 引用本文： | 庞洪超,黄金峰,骆志平,陈凌.GEM探测器α表面污染监测系统研制[J].核电子学与探测技术,2017,37(3). |
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| 作者姓名： | 庞洪超 黄金峰 骆志平 陈凌 |
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| 作者单位： | 中国原子能科学研究院辐射安全研究所,北京,102413 |
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| 摘 要： | 研制了大面积GEM探测器,构建了位置灵敏α表面污染监测系统。该系统主要由GEM膜、多路读出电子学系统、数据获取与展示软件等组成。该系统对α粒子的本征探测效率可达95%以上,并实现了系统对α粒子的位置灵敏成像,可为表面污染类α粒子的精确位置测量提供一种有效手段。
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| 关 键 词： | 气体电子倍增器 位置灵敏 表面污染 探测效率 |
Research of GEM-based a Surface Monitoring System |
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| PANG Hong-chao,HUANG Jin-feng,LUO Zhi-ping,CHEN Ling.Research of GEM-based a Surface Monitoring System[J].Nuclear Electronics & Detection Technology,2017,37(3). |
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| Authors: | PANG Hong-chao HUANG Jin-feng LUO Zhi-ping CHEN Ling |
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| Abstract: | In this work a large area GEM was developed and a position sensitive detector system was established.The system consists of GEM film,multi-channel read out electronic system,data acquisition and display software.The performance testing by α source was done to test the detector,and the result shows that the intrinsic detection efficiency was 95％.The detector system realizes the location sensitive imaging of α particles.Through the study of this work,it provides an effective means for accurate position measurement of surface polluted α particle. |
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| Keywords: | gas electron multiplier position sensitive surface contamination detection efficiency |
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