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Optimization of the electron collection efficiency of a large area MCP-PMT for the JUNO experiment
Chen, L; Tian, JS; Liu, CL; Wang, YF; Zhao, TC; Liu, HL; Wei, YL; Sai, XF; Chen, P; Wang, X; Lu, Y; Hui, DD; Guo, LH; Liu, SL; Qian, S; Xia, JK; Yan, BJ; Zhu, N; Sun, JN; Si, SG; Li, D; Wang, XC; Huang, GR; Qi, M; Wang YF(王贻芳); Zhao TC(赵天池); Liu SL(刘术林); Qian S(钱森); Xia JK(夏经铠); Yan BJ(闫保军); Zhu N(朱娜)
2016
Source PublicationNUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
ISSN0168-9002
EISSN1872-9576
Volume827Pages:124-130
SubtypeArticle
AbstractA novel large-area (20-inch) photomultiplier tube based on microchannel plate (MCP-PMTs) is proposed for the Jiangmen Underground Neutrino Observatory (JUNO) experiment. Its photoelectron collection efficiency C-e is limited by the MCP open area fraction (A(open)). This efficiency is studied as a function of the angular (theta), energy (E) distributions of electrons in the input charge cloud and the potential difference (U) between the PMT photocathode and the MCP input surface, considering secondary electron emission from the MCP input electrode. In CST Studio Suite, Finite Integral Technique and Monte Carlo method are combined to investigate the dependence of C-e on theta, E and U. Results predict that C-e can exceed A(open), and are applied to optimize the structure and operational parameters of the 20-inch MCP-PMT prototype. C-e of the optimized MCP-PMT is expected to reach 81.2%. Finally, the reduction of the penetration depth of the MCP input electrode layer and the deposition of a high secondary electron yield material on the MCP are proposed to further optimize C-e. (C) 2016 Elsevier B.V. All rights reserved.
KeywordCollection efficiency Photomultiplier tube Microchannel plate
DOI10.1016/j.nima.2016.04.100
Indexed BySCI ; ADS
Language英语
WOS IDWOS:000376888900017
ADS Bibcode2016NIMPA.827..124C
ADS URLhttps://ui.adsabs.harvard.edu/abs/2016NIMPA.827..124C
ADS CITATIONShttps://ui.adsabs.harvard.edu/abs/2016NIMPA.827..124C/citations
inspireid1458085
Citation statistics
Cited Times:6 [INSPIRE]
Cited Times:8 [ADS]
Document Type期刊论文
Identifierhttp://ir.ihep.ac.cn/handle/311005/248022
Collection院士
Recommended Citation
GB/T 7714
Chen, L,Tian, JS,Liu, CL,et al. Optimization of the electron collection efficiency of a large area MCP-PMT for the JUNO experiment[J]. NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT,2016,827:124-130.
APA Chen, L.,Tian, JS.,Liu, CL.,Wang, YF.,Zhao, TC.,...&朱娜.(2016).Optimization of the electron collection efficiency of a large area MCP-PMT for the JUNO experiment.NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT,827,124-130.
MLA Chen, L,et al."Optimization of the electron collection efficiency of a large area MCP-PMT for the JUNO experiment".NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT 827(2016):124-130.
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