Interpretation of effective gain variations with the drift electric field for a ceramic thick gas electron multiplier

被引:2
作者
Hu, Zhimeng [1 ,2 ]
Muraro, Andrea [3 ]
Croci, Gabriele [1 ,2 ,3 ]
McCormack, Oisin [1 ]
Cippo, Enrico Perelli [3 ]
Tardocchi, Marco [3 ]
Zhou, Xiaojuan [4 ,5 ]
Sun, Zhijia [4 ,5 ]
Zhou, Jianrong [4 ,5 ]
Xie, Yuguang [5 ]
Chen, Yuanbo [4 ,5 ]
Fan, Tieshuan [6 ,7 ]
Gorini, Giuseppe [1 ,2 ,3 ]
机构
[1] Univ Milano Bicocca, Dipartimento Fis, I-20126 Milan, Italy
[2] Ist Nazl Fis Nucl, Sez Milano Bicocca, I-20126 Milan, Italy
[3] CNR, Inst Plasma Sci & Technol, I-20125 Milan, Italy
[4] Spallat Neutron Source Sci Ctr, Dongguan 523803, Peoples R China
[5] Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China
[6] Peking Univ, Sch Phys, Beijing 100871, Peoples R China
[7] Peking Univ, State Key Lab Nucl Phys & Technol, Beijing 100871, Peoples R China
基金
中国国家自然科学基金; 国家重点研发计划;
关键词
Gas electron multiplier; Gain; Electric field; Electron collection efficiency; ION FEEDBACK; GEM; DETECTORS; PARTICLE; THGEM;
D O I
10.1016/j.nima.2020.164907
中图分类号
TH7 [仪器、仪表];
学科分类号
0804 ; 080401 ; 081102 ;
摘要
The effective gain variations as a function of the drift electric field strength (E-d) are measured in a ceramic thick gas electron multiplier (THGEM) and a standard GEM using the same experimental setup. Significant differences in the variations are observed between the THGEM and the standard GEM. The effective gain variations with E-d are quantitatively reproduced by calculations via investigating the respective influence of E-d change on the electron collection efficiency and the gain. The differences in the effective gain variation with E-d between the THGEM and standard GEM are thus explained.
引用
收藏
页数:10
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