Study of the THGEM detector with a reflective CsI photocathode

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LIU Hong-Bang, ZHENG Yang-Heng, XIE Yi-Gang, LV Jun-Guang, ZHOU Li, YU Bo-Xiang, ZHANG Ai-Wu, AN Zheng-Hua, XIE Yu-Guang, ZHANG Dong and ZHENG Zhi-Peng. Study of the THGEM detector with a reflective CsI photocathode[J]. Chinese Physics C, 2011, 35(4): 363-367. doi: 10.1088/1674-1137/35/4/008
LIU Hong-Bang, ZHENG Yang-Heng, XIE Yi-Gang, LV Jun-Guang, ZHOU Li, YU Bo-Xiang, ZHANG Ai-Wu, AN Zheng-Hua, XIE Yu-Guang, ZHANG Dong and ZHENG Zhi-Peng. Study of the THGEM detector with a reflective CsI photocathode[J]. Chinese Physics C, 2011, 35(4): 363-367.  doi: 10.1088/1674-1137/35/4/008 shu
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Received: 2010-07-21
Revised: 2010-09-06
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Study of the THGEM detector with a reflective CsI photocathode

Abstract: The THGEM detector without and with a CsI has been tested successfully. The optimal parameters of THGEM have been determined from eight samples. The UV photoelectric effect of the CsI photocathode is observed. The changing tendency related to the extraction efficiency (εextr) versus the extraction electric field is measured, and several electric fields influencing the anode current are adjusted to adapt to the THGEM detector with a reflective CsI photocathode.

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