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Single Photon Time Spectra in Gas Avalanches

Han Jiaxiang;Xu Zizong;Chen Hongfang;Li Cheng;Zeng Hui(Department of Modem Physics, University of Science and Technology of China,Hefei 230027)  
Using the technology of the single photon time resolution, we have studied the time spectra of light emission in LP mode, SQS mode and G-M mode. The results show that the SQS streamer has a delay relative to the primary avalanche and its lasting time is about 10-30us which depends on the contents of the quenching gas and the anode high voltage.The lasting time in the G-M mode is about lμs,and that in the LP mode is only 4ns.This has fully demonstrated that the three modes have quite different characters in their individual avalanches.
【CateGory Index】: O572.212
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Chinese Journal Full-text Database 1 Hits
1 Xu Changbu;Xu Tong;Xu Zizong(Department of Modern Physics,University of Sciencs and Technology of China,Hefei 230026);Study of Avalanche of Gas Detector[J];HIGH INERGY PHYSICS AND NUCLEAR PHYSICS;1995-02
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