Investigation on the performance of a thick ceramic gas electron multiplier

被引：2

作者：

Hu, Zhimeng ^{[1
,2
,3
]}

Muraro, Andrea ^{[4
]}

Gorini, Giuseppe ^{[2
,3
,4
]}

McCormack, Oisin ^{[2
]}

Cippo, Enrico Perelli ^{[4
]}

Tardocchi, Marco ^{[4
]}

Sun, Zhijia ^{[5
,6
]}

Zhou, Xiaojuan ^{[5
,6
]}

Zhou, Jianrong ^{[5
,6
]}

Xie, Yuguang ^{[6
]}

Chen, Yuanbo ^{[5
,6
]}

Zhang, Hui ^{[8
,9
]}

Fan, Tieshuan ^{[7
]}

Croci, Gabriele ^{[2
,3
,4
]}

机构：

[1] Nanjing Univ Aeronaut & Astronaut, Dept Nucl Sci & Technol, Nanjing 211106, Peoples R China

[2] Univ Milano Bicocca, Dipartimento Fis, I-20126 Milan, Italy

[3] Ist Nazl Fis Nucl, Sez Milano Bicocca, I-20126 Milan, Italy

[4] CNR, Inst Plasma Sci & Technol, I-20125 Milan, Italy

[5] Spallat Neutron Source Sci Ctr, Dongguan 523803, Peoples R China

[6] Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China

[7] Natl Inst Metrol, Beijing 100029, Peoples R China

[8] Peking Univ, Sch Phys, Beijing 100871, Peoples R China

[9] Peking Univ, State Key Lab Nucl Phys & Technol, Beijing 100871, Peoples R China

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2022年 / 1034卷

基金：

中国国家自然科学基金; 国家重点研发计划;

关键词：

Ceramic gas electron multiplier; Effective gain; Resolution; PHOTON DETECTORS; GEM; AMPLIFICATION;

D O I：

10.1016/j.nima.2022.166824

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

We report the performance of a THick Gas Electron Multiplier (THGEM) fabricated by drilling holes in a gold-clad ceramic substrate using the standard PCB (Printed Circuit Board) technology and etching rims. The THGEM has a total thickness of 200 mu m with a hole diameter and rim size of 200 mu m and 80 mu m, respectively. In order to carry out a performance study, a detector was assembled by putting the THGEM inside a versatile chamber and irradiating it with a Fe-55 X-ray source (5.9 keV). An Ar/CO2 gas mixture was flushed inside the chamber at a pressure of about 1 atm, with volume ratios varying between 70/30 and 90/10. Pulse height spectra of the detector were recorded by a multichannel analyzer to investigate the gain and energy resolution at different drift and induction electric fields. The variations in the gain and energy resolution were also interpreted using simulations. The gain and resolution data of the THGEM were compared with those of a standard GEM which was measured using the same experimental setup.

引用

页数：11

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