Study of TTS for a 20-inch dynode PMT

Dong-Hao Liao; Hong-Bang Liu; Yi-Xiong Zhou; Feng-Jiao Luo; Zhi-Min Wang; An-Bo Yang; Mei-Hang Xu; Wan Xie; Zhong-Hua Qin

doi:10.1088/1674-1137/41/7/076001

Chinese Physics C> 2017, Vol. 41> Issue(7) : 076001 DOI: 10.1088/1674-1137/41/7/076001

Study of TTS for a 20-inch dynode PMT

Dong-Hao Liao ^1,2 ,
Hong-Bang Liu ^1,3,, ,
Yi-Xiong Zhou ^1,3 ,
Feng-Jiao Luo ^2,3 ,
Zhi-Min Wang ² ,
An-Bo Yang ^2,3 ,
Mei-Hang Xu ² ,
Wan Xie ² ,
Zhong-Hua Qin ^2,,

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
4.
Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
5.
Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China

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Abstract：
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.
- TTS ,
- 20-inch dynode PMT ,
- transit time ,
- Earth's magnetic field

References

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[3]	Hamamatsu Photonics K K, Photomultiplier tubes: Basics and applications, Third edition, 50-52 (2007)
[4]	T. Koblesky, J. Roloff, C. Polly et al, Nucl. Instrum. Methods A, 670: 40-44 (2012)
[5]	D. Breton, E. Delagnes, J. Maalmi et al, Nucl. Instrum. Methods A, 629(1): 123-132 (2011)
[6]	Jingkai Xia, Sen Qian, Zhe Ning et al, POS(EPS-HEP2015)241
[7]	W. P. Huang, Z. B. Tang, C. Li et al, Chin. phys. C, 39(6): 066003 (2015)
[8]	Massimo Mazzillo, Giovanni Condorelli, Delfo Sanfilippo et al, IEEE Trans. Nucl. Sci., 57(4): 2273-2279 (2010)
[9]	S. Gundacker, E. Auffray, N. Di Vara et al, Nucl. Instrum. Methods A, 718: 569-572 (2013)
[10]	S. Aiello, E. Leonora, A. Grimaldi et al, IEEE Trans. Nucl. Sci., 59(4): 1259-1267 (2012)

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Dong-Hao Liao, Hong-Bang Liu, Yi-Xiong Zhou, Feng-Jiao Luo, Zhi-Min Wang, An-Bo Yang, Mei-Hang Xu, Wan Xie and Zhong-Hua Qin. Study of TTS for a 20-inch dynode PMT[J]. Chinese Physics C, 2017, 41(7): 076001. doi: 10.1088/1674-1137/41/7/076001

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Received: 2017-01-04

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Supported by Strategic Priority Research Program of the Chinese Academy of Sciences (XDA10011100) and National Natural Science Foundation of China (U1431109, 11265003)

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1.
沈阳化工大学材料科学与工程学院沈阳 110142

Study of TTS for a 20-inch dynode PMT

Corresponding author: Hong-Bang Liu,

Corresponding author: Zhong-Hua Qin,

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
4. Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
5. Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China

Received Date: 2017-01-04
Available Online: 2017-07-05

Fund Project: Supported by Strategic Priority Research Program of the Chinese Academy of Sciences (XDA10011100) and National Natural Science Foundation of China (U1431109, 11265003)

Abstract: 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.