论文标题
研究20英寸PMT的黑暗计数产生了大脉冲
Study of 20-inch PMTs dark count generated large pulses
论文作者
论文摘要
Juno实验的主要目标是用20 \ kt液体阶层检测器确定中微子质量排序。 20英寸PMT是Juno钥匙仪器之一，即在1 \，MeV时至少实现3 \，\％的出色能量分辨率。关于PMT表征和特征的知识对于探测器性能理解至关重要。来自PMT黑暗计数（例如Flasher或其他）的大脉冲是检测器噪声控制的严重问题之一。本文着眼于20英寸PMT黑暗计数的大脉冲，试图通过使用MUON标记系统进行测量来调查原因。发现20英寸PMT黑暗计数的大脉冲主要源于击中PMT玻璃的Muons。还实现并实现了一致的理解。
The main goal of the JUNO experiment is to determine the neutrino mass ordering with a 20\,kt liquid-scintillator detector. The 20-inch PMT is crucial as one of JUNO key instruments to realize an excellent energy resolution of at least 3\,\% at 1\,MeV. The knowledge on PMT's characterisation and feature is critical for detector performance understanding. Large pulses from PMT dark count such as from flasher or others are one of the serious concerns for detector noise control. Focusing on the large pulses from 20-inch PMT dark count, this paper is trying to investigate the causes by measurements with a muon tagging system. It is found that the large pules of 20-inch PMT dark count is contributed mainly from muons hitting the PMT glass. A simulation is also realized and achieved a consistent understanding.
