Rayleigh scattering of linear alkylbenzene in large liquid scintillator detectors

被引：26

作者：

Zhou, Xiang ^{[1
,2
]}

Liu, Qian ^{[3
]}

Wurm, Michael ^{[4
,5
]}

Zhang, Qingmin ^{[6
]}

Ding, Yayun ^{[7
]}

Zhang, Zhenyu ^{[1
,2
]}

Zheng, Yangheng ^{[3
]}

Zhou, Li ^{[7
]}

Cao, Jun ^{[7
]}

Wang, Yifang ^{[7
]}

机构：

[1] Wuhan Univ, Minist Educ, Key Lab Artificial Micro & Nanostruct, Hubei Nucl Solid Phys Key Lab, Wuhan 430072, Peoples R China

[2] Wuhan Univ, Sch Phys & Technol, Wuhan 430072, Peoples R China

[3] Univ Chinese Acad Sci, Sch Phys, Beijing 100049, Peoples R China

[4] Johannes Gutenberg Univ Mainz, Inst Phys, D-55128 Mainz, Germany

[5] Johannes Gutenberg Univ Mainz, EC PRISMA, D-55128 Mainz, Germany

[6] Xi An Jiao Tong Univ, Sch Energy & Power Engn, Dept Nucl Sci & Technol, Xian 710049, Peoples R China

[7] Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China

来源：

REVIEW OF SCIENTIFIC INSTRUMENTS | 2015年 / 86卷 / 07期

基金：

中国国家自然科学基金;

关键词：

LIGHT-SCATTERING; COMPRESSIBILITY; MIXTURES;

D O I：

10.1063/1.4927458

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

Rayleigh scattering poses an intrinsic limit for the transparency of organic liquid scintillators. This work focuses on the Rayleigh scattering length of linear alkylbenzene (LAB), which will be used as the solvent of the liquid scintillator in the central detector of the Jiangmen Underground Neutrino Observatory. We investigate the anisotropy of the Rayleigh scattering in LAB, showing that the resulting Rayleigh scattering length will be significantly shorter than reported before. Given the same overall light attenuation, this will result in a more efficient transmission of photons through the scintillator, increasing the amount of light collected by the photosensors and thereby the energy resolution of the detector. (C) 2015 AIP Publishing LLC.

引用

页数：5

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