分类： 核科学技术 >> 核探测技术与核电子学 提交时间： 2023-06-01
摘要：
分类： 物理学 >> 核物理学 提交时间： 2016-08-31
Feng-Jiao Luo
Yue-Kun Heng
Zhi-Min Wang
Pei-Liang Wang
Zhong-Hua Qin
2 Mei-Hang Xu
Dong-Hao Liao
Hai-Qiong Zhang
Yong-Bo Huang
Xiang-Cui Lei
Sen Qian
Shu-Lin Liu
Yuan-Bo Chen
Yi-Fang Wang
摘要：The quality of PMT signal is one of the key items for a large and high precision neutrino experiment, like Daya Bay, JUNO, while most of the experiments are affected by the PMT signal overshoot from its positive HV-single cable scheme. For JUNO prototype detector, we have a detailed study on the PMT overshoot and successfully reduced the ratio of overshoot amplitude to signal to ~1% from previous typical ~10%, with no affection to PMT other parameters. Furthermore, we calculated that the overshoot is a result of discharging of capacitors in the HV-signal splitter and the PMT voltage divider. The study result is extremely important for JUNO and other similar experiments.
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