Development of alpha surface contamination monitor based on THGEM for contamination distribution

Development of alpha surface contamination monitor based on THGEM for contamination distribution
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开发基于 THGEM 的 α 表面污染监测仪,用于污染分布

DOI:
10.1007/s41365-019-0678-z
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发表时间:
2019-09
影响因子:
2.8
通讯作者:
Chen Shi
Chen Shi
中科院分区:
物理与天体物理2区
文献类型:
--
作者:
Xiao Si Min;Luo Zhi Ping;Liu Qian;Yuan Guo Jun;Pang Hong Chao;Liu Yang;Huang Jin Feng;Chen Shi

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在高辐射紧急情况下,我们提出了一种表面污染监测器(SCM),可以快速测量和查明受影响人群中的污染分布。厚膜气体电子倍增器(THGEM)具有响应时间快、空间分辨率好等优点。基于新的THGEMs,一个二维成像探测器的α检测,与位置分辨率大于3毫米。本文介绍了探测器的设计和测试结果。具有40 mm × 40 mm敏感区域的快速辐射成像SCM目前正在开发中。
In cases of high radiation emergencies, we propose a surface contamination monitor (SCM) that can quickly measure and pinpoint the contamination distribution in the affected population. Thick gaseous electron multiplier (THGEM) has several advantages, including fast response time and good spatial resolution. Based on new THGEMs, a two-dimensional imaging detector was developed for alpha detection, with a position resolution greater than 3 mm. The detector design and test results are described in this paper. Fast radiation imaging SCMs, with a 40 mm × 40 mm sensitive area, are currently under development.
密封高气压THGEM探测器及α粒子光谱响应的研究
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