Data-driven simultaneous vertex and energy reconstruction for large liquid scintillator detectors

被引：11
|
作者：
Huang, Gui-Hong [1 ]
Jiang, Wei [2 ,3 ]
Wen, Liang-Jian [2 ]
Wang, Yi-Fang [2 ]
Luo, Wu-Ming [2 ]
机构：
[1] Wuyi Univ, Sch Appl Phys & Mat, Jiangmen 529020, Peoples R China
[2] Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China
[3] Univ Chinese Acad Sci, Sch Phys Sci, Beijing 100049, Peoples R China
来源：
NUCLEAR SCIENCE AND TECHNIQUES | 2023年 / 34卷 / 06期
基金：
中国国家自然科学基金;
关键词：
JUNO; Liquid scintillator detector; Neutrino experiment; Vertex reconstruction; Energy reconstruction;
D O I：
10.1007/s41365-023-01240-0
中图分类号：
TL [原子能技术]; O571 [原子核物理学];
学科分类号：
0827 ; 082701 ;
摘要：
High-precision vertex and energy reconstruction are crucial for large liquid scintillator detectors such as that at the Jiangmen Underground Neutrino Observatory (JUNO), especially for the determination of neutrino mass ordering by analyzing the energy spectrum of reactor neutrinos. This paper presents a data-driven method to obtain a more realistic and accurate expected PMT response of positron events in JUNO and develops a simultaneous vertex and energy reconstruction method that combines the charge and time information of PMTs. For the JUNO detector, the impact of the vertex inaccuracy on the energy resolution is approximately 0.6%.
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收藏
页数：11
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