Development of low-radon ultra-pure water for the Jiangmen Underground Neutrino Observatory

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成果类型：

期刊论文

作者：

Guan, T. Y.;Zhang, Y. P.;Wang, B.;Guo, C.;Liu, J. C.;...

通讯作者：

Guo, C;Tang, Q

作者机构：

[Li, C.; Tang, Q.; Wang, B.; Guan, T. Y.] Univ South China, Sch Nucl Sci & Technol, Hengyang 421001, Peoples R China.

[Guo, C.; Zhang, Y. P.; Liu, J. C.; Yang, C. G.] Chinese Acad Sci, Expt Phys Div, Inst High Energy Phys, Beijing 100049, Peoples R China.

[Guo, C.; Zhang, Y. P.; Liu, J. C.; Yang, C. G.] Univ Chinese Acad Sci, Sch Phys, Beijing 100049, Peoples R China.

[Guo, C.; Zhang, Y. P.; Liu, J. C.; Yang, C. G.] State Key Lab Particle Detect & Elect, Beijing 100049, Peoples R China.

[Guo, C; Guo, C.] 19B YuQuan Rd, Beijing, Peoples R China.

通讯机构：

[Guo, C ] 1

[Tang, Q ] 2

19B YuQuan Rd, Beijing, Peoples R China.

28 Changsheng West Rd, Beijing, Hunan, Peoples R China.

语种：

英文

关键词：

Atomic physics;Degassing;Neutrons;Observatories;Particle detectors;Photomultipliers;Radioactivity;Trace elements;Degassing membrane;Liquid scintillator;Micro-bubble generators;Neutrino physics;Physics experiments;Radon concentrations;South China;State of the art;Ultra-pure water;Water Cherenkov detectors;Radon

期刊：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT

ISSN：

0168-9002

年：

2024

卷：

1063

页码：

169244

DOI：

10.1016/j.nima.2024.169244

基金类别：

This work is supported by the State Key Laboratory of Particle Detection and Electronics (Grant No. SKLPDE-ZZ-202304 ), the Youth Innovation Promotion Association of the Chinese Academy of Sciences (Grant No. 2023015 ), and the Strategic Priority Research Program of the Chinese Academy of Sciences (GrantNo. XDA10011200 ).

机构署名：

本校为第一机构

院系归属：

核科学技术学院

摘要：

The Jiangmen Underground Neutrino Observatory (JUNO) is a state-of-the-art liquid scintillator-based neutrino physics experiment under construction in South China. To reduce the background from external radioactivities, a water Cherenkov detector composed of 35 kton ultra-pure water and 2,400 20-inch photomultiplier tubes is developed. Even after specialized treatment, ultra-pure water still contains trace levels of radioactive elements that can contribute to the detector background. Among which 222Rn is particularly significant. To address thi...

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Development of low-radon ultra-pure water for the Jiangmen Underground Neutrino Observatory

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