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

页码：26 / 30

页数：5

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