Aging of LAB-based liquid scintillator in stainless steel containers

被引：5

作者：

Chen Hai-Tao ^{[1
,2
]}

Yu Bo-Xiang ^{[2
,3
]}

Shan Qing ^{[1
]}

Ding Ya-Yun ^{[2
,3
]}

Du Bing ^{[2
,3
]}

Liu Shu-Tong ^{[2
]}

Zhang Xuan ^{[2
,3
]}

Zhou Li ^{[2
,3
]}

Jia Wen-Bao ^{[1
]}

Fang Jian ^{[2
,3
]}

Ye Xing-Chen ^{[2
]}

Hu Wei ^{[2
,3
]}

Niu Shun-Li ^{[2
,3
]}

Yan Jia-Qing ^{[2
]}

Zhao Hang ^{[2
,3
]}

Hong Dao-Jin ^{[2
]}

机构：

[1] Nanjing Univ Aeronaut & Astronaut, Nanjing 210016, Jiangsu, Peoples R China

[2] State Key Lab Particle Detect & Elect, Beijing 100049, Peoples R China

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

来源：

CHINESE PHYSICS C | 2015年 / 39卷 / 06期

基金：

中国国家自然科学基金;

关键词：

JUNO; liquid scintillator; aging; light yield; absorption spectrum; attenuation length; CORROSION;

D O I：

10.1088/1674-1137/39/6/066002

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

Types 316 and 304 stainless steel are two candidates for the storage vessels and piping systems of LAB-based liquid scintillator (LS) in the JUNO experiment. LS aging experiments are carried out at temperatures of 40 degrees C and 25 degrees C. After 192 days aging at 40 degrees C, the attenuation length of LS was reduced by 6% in a glass container, 12% in a type 304 stainless steel tank, and 10% in a type 316 stainless steel tank. At 25 degrees C in 304 and 316 stainless steel tanks, the attenuation length was reduced by 6% after 307 days. The light yield and the absorption spectrum were practically the same as that of the unaged sample. The concentration of element Fe in the LAB-based LS did not show a clear change. Type 316 and 304 stainless steel can be used as vessels and transportation pipeline material for LAB-based LS.

引用

页数：5

共 9 条

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