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Suppressing ringing caused by large photomultiplier tube signals |
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| Authors: | JIANG Wen-Qi ; GU Shu-Di John Joseph LIU Da-Wei Kam-Biu Luk Herbert Steiner WANG Zheng WU Qun |
| Institution: | 1 University of Science and Technology of China, Hefei 230026, China 2 University of California, Berkeley, CA 94720, USA 3 Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA 4 Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China 5 Illinois Institute of Technology, Chicago, IL 60616, USA 6 University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA |
| Abstract: | We describe here the characteristic features of the ringing we observed following large PMT signals in the Daya Bay reactor antineutrino experiment. We conclude that the ceramic capacitors used in the circuitry of the PMT bases and the HV-signal decouplers are the primary cause for this ringing. We present some possible schemes to reduce the ringing when replacing these ceramic capacitors is not feasible. |
| Keywords: | PMT ringing piezoelectric Daya Bay antineutrino |
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