摘要
The gas gain and energy resolution of single and double THGEM detectors （5 cm×5 cm effective area） with mini-rims （rim less than 10 um） were studied. The maximum gain was found to reach 5×103 and 2 × 105 for single and double THGEMs respectively, while the energy resolution for 5.9 keV X-rays varied from 18% to 28% for both single and double THGEM detectors of different hole sizes and thicknesses. Different combinations were also investigated of noble gases （argon, neon） mixed with a quantity of other gases （isobutane, methane） at atmospheric pressure.
The gas gain and energy resolution of single and double THGEM detectors （5 cm×5 cm effective area） with mini-rims （rim less than 10 um） were studied. The maximum gain was found to reach 5×103 and 2 × 105 for single and double THGEMs respectively, while the energy resolution for 5.9 keV X-rays varied from 18% to 28% for both single and double THGEM detectors of different hole sizes and thicknesses. Different combinations were also investigated of noble gases （argon, neon） mixed with a quantity of other gases （isobutane, methane） at atmospheric pressure.
作者
章爱武
俞伯祥
谢宇广
刘宏邦
安正华
王志刚
蔡啸
孙希磊
石峰
方建
薛镇
吕绮雯
孙丽君
葛永帅
刘颖彪
胡涛
周莉
吕军光
ZHANG Ai-Wu;YU Bo-Xiang;XIE Yu-Guang;LIU Hong-Bang;AN Zheng-Hua;WANG Zhi-Cang;CAI Xiao;SUN Xi-Lei;SHI Feng;FANG Jian;XUE Zhen;LÜQi-Wen;SUN Li-Jun;GE Yong-Shuai;LIU Ying-Biao;HU Tao;ZHOU Li;LÜJun-Guang(Institute of High Energy Physics,Chinese Academy of Sciences,Beijing 100049,China;Graduate University of Chinese Academy of Sciences,Beijing 100049,China;Shanxi University,Taiyuan 030006,China)
基金
Supported by Youth Fund of Institute of High Energy Physics
Chinese Academy of Sciences and National Natural Science Foundation of China (10775151)
