Study of TTS for a 20-inch dynode PMT

被引：8
|
作者：
Liao, Dong-Hao [1 ,2 ]
Liu, Hong-Bang [1 ,3 ]
Zhou, Yi-Xiong [1 ,3 ]
Luo, Feng-Jiao [2 ,3 ]
Wang, Zhi-Min [2 ]
Yang, An-Bo [2 ,3 ]
Xu, Mei-Hang [2 ]
Xie, Wan [2 ]
Qin, Zhong-Hua [2 ]
机构：
[1] Guangxi Univ, Guangxi Key Lab Relativist Astrophys, Nanning 530004, Peoples R China
[2] Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China
[3] Univ Chinese Acad Sci, Beijing 10049, Peoples R China
来源：
CHINESE PHYSICS C | 2017年 / 41卷 / 07期
基金：
中国国家自然科学基金;
关键词：
TTS; 20-inch dynode PMT; transit time; Earth's magnetic field; LARGE-AREA PHOTOMULTIPLIERS; MAGNETIC-FIELD;
D O I：
10.1088/1674-1137/41/7/076001
中图分类号：
O57 [原子核物理学、高能物理学];
学科分类号：
070202 ;
摘要：
The neutrino detector for the Jiangmen Underground Neutrino Observatory (JUNO) requires a large number of photomultiplier tubes (PMTs), including 15000 MCP PMTs and 5000 dynode PMTs. The TTS (transit time spread) of the PMTs is very important for vertex and track reconstruction of the neutrinos in the detector. In this paper, we study the TTS of a 20-inch dynode PMT (R12860) from Hamamatsu for different high voltage, light intensity, light spot size and different photocathode regions. The impact from Earth's magnetic field is also studied. The results achieved in this paper will be very useful for the JUNO experiment.
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页数：6
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