Study of a prototype water Cherenkov detector for the Daya Bay neutrino experiment

被引：4
|
作者：
Yu, Zeyuan [1 ,2 ]
Lu, Haoqi [1 ]
Yang, Changgen [1 ]
Wang, Lingyu [1 ]
Guan, Mengyun [1 ]
Liu, Jinchang [1 ]
Wang, Ruiguang [1 ]
Wang, Zhimin [1 ]
Xu, Jilei [1 ]
Cao, Jun [1 ]
Wang, Yifang [1 ]
机构：
[1] Inst High Energy Phys, Beijing 100049, Peoples R China
[2] Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2012年 / 682卷
基金：
中国国家自然科学基金;
关键词：
Daya Bay; Reactor; Neutrino; Water Cherenkov;
D O I：
10.1016/j.nima.2012.04.050
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
The Daya Bay reactor neutrino experiment is designed to precisely measure the neutrino mixing angle theta(13). The anti-neutrino detectors are shielded by highly purified water against radioactivity and spallation neutrons from surrounding rocks. The water also serves as a Cherenkov detector to tag cosmic-ray muons, which induce main backgrounds. In order to study water purification and details of the detector response, a prototype water Cherenkov detector is constructed at the Institute of High Energy Physics (IHEP), Beijing. The detector is divided by Tyvek into two sections and viewed by two 8 in. photomultipliers. Cosmic-ray muons are used for detector response studies and a Monte Carlo simulation based on the Geant4 package shows good agreement with the experimental data. (C) 2012 Elsevier B.V. All rights reserved.
引用
收藏
页码：26 / 30
页数：5
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