Study of TTS for a 20-inch dynode PMT

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...

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Published inChinese physics C Vol. 41; no. 7; pp. 123 - 128
Main Author 廖东豪 刘宏邦 周亦雄 罗凤姣 王志民 杨安波 徐美杭 谢万 秦中华
Format Journal Article
LanguageEnglish
Published 01.07.2017
Subjects
20英寸
PMT
TTS
中微子探测器
光斑尺寸
光电倍增管
地球磁场
运输时间
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ISSN1674-1137
0254-3052
DOI10.1088/1674-1137/41/7/076001

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Summary: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.
Bibliography:11-5641/O4
Dong-Hao Liao1,2, Hong-Bang Liu1,3, Yi-Xiong Zhou1,3, Feng-Jiao Luo2,3, Zhi-Min Wang2 ,An-Bo Yang2,3, Mei-Hang Xu2, Wan Xie2, Zhong-Hua Qin2（ 1 Guangxi Key Laboratory for Relativistic Astrophysics, Guangxi University, Nanning 530004, China ; 2 Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China ; 3 University of Chinese Academy of Science, Beijing 10049,China）
TTS 20-inch dynode PMT transit time Earth＇s magnetic field
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.
ISSN:1674-1137
0254-3052
DOI:10.1088/1674-1137/41/7/076001