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arXiv · 1105.1757

Experimental study of THGEM detector with mini-rim

Ai-Wu Zhang·Bo-Xiang Yu·Yu-Guang Xie·Hong-Bang Liu·Zheng-Hua An·Zhi-Gang Wang·Xiao Cai·Xi-Lei Sun·Feng Shi·Jian Fang·Zhen Xue·Qi-Wen Lu·Li-Jun Sun·Yong-Shuai Ge·Ying-Biao Liu·Tao Hu·Li Zhou·Jun-Guang Lu
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Abstract

The gas gain and energy resolution of single and double THGEM detectors (5{\times}5cm2 effective area) with mini-rims (rim is less than 10{\mu}m) were studied. The maximum gain can reach 5{\times}103 and 2{\times}105 for single and double THGEM respectively, while the energy resolution of 5.9 keV X-ray varied from 18% to 28% for both single and double THGEM detectors of different hole sizes and thicknesses.All the experiments were investigated in mixture of noble gases(argon,neon) and small content of other gases(iso-butane,methane) at atmospheric pressure.

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Ai-Wu Zhang, Bo-Xiang Yu, Yu-Guang Xie, Hong-Bang Liu, Zheng-Hua An, Zhi-Gang Wang, Xiao Cai, Xi-Lei Sun, Feng Shi, Jian Fang, Zhen Xue, Qi-Wen Lu, Li-Jun Sun, Yong-Shuai Ge, Ying-Biao Liu, Tao Hu, Li Zhou, Jun-Guang Lu. 2011-05-06. Experimental study of THGEM detector with mini-rim. https://doi.org/10.1088/1674-1137/36/2/007

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