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Study of Thick Gaseous Electron Multipliers Gain Stability and Some Influencing Factors |
| ZHOU Xiao-Kang1, LIU Qian1**, CHEN Shi1, HUANG Wen-Qian4, WANG Bin-Long1, ZHANG Yong-Dong2, GE Dong-Sheng4, LIU Hong-Bang2, ZHENG Yang-Heng1, XIE Yi-Gang1,3, DONG Yang5, ZHANG Qiang5, CHANG Jie5, WANG Jing5, LI Min5, ZHOU Yan6 |
1School of Physics, University of Chinese Academy of Sciences, Beijing 100049
2Institute of Physics, Guangxi University, Naning 540004
3Institude of High Energy Physics, Chines Academy of Sciences, Beijing 100049
4School of Physics and Technology, Wuhan University, Wuhan 441021
5Second Academy of China Aerospace Science and Industry Corporation, Beijing 100049
6Third Research Institute of China Electronics Technology Group Corporation, Beijing 100015
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| Cite this article: |
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ZHOU Xiao-Kang, LIU Qian, CHEN Shi et al 2014 Chin. Phys. Lett. 31 032901 |
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Abstract The working stability of thinner-thick gaseous electron multipliers (THGEMs), which have been developed by the University of the Chinese Academy of Sciences and the Second Academy of China's Aerospace Science and Industry Corporation, is studied with an 8 keV x-ray on a Cu target. Gains of about 103–104 are achieved with a single board in Ar:iC4H10 (97:3). Environmental factors, such as pressure, temperature and humidity are considered. The thinner-THGEMs are shown to perform stably over two months of studies.
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Received: 13 December 2013
Published: 28 February 2014
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| PACS: |
29.40.Cs
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(Gas-filled counters: ionization chambers, proportional, and avalanche counters)
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95.55.Ka
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(X- and γ-ray telescopes and instrumentation)
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