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Suppressing ringing caused by large photomultiplier tube signals
- Jiang, Wen-Qi;
- Gu, Shu-Di;
- Joseph, John;
- Liu, Da-Wei;
- Luk, Kam-Biu;
- Steiner, Herbert;
- Wang, Zheng;
- Wu, Qun
Published Web Location
https://doi.org/10.1088/1674-1137/36/3/008Abstract
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.
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