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《中国物理C》 2016-01
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Some new progress on the light absorption properties of linear alkyl benzene solvent

Guang-You Yu;De-Wen Cao;Ai-Zhong Huang;Lei Yu;Chang-Wei Loh;Wen-Wen Wang;Zhi-Qiang Qian;Hai-Bo Yang;Huang Huang;Zong-Qiang Xu;Xue-Yuan Zhu;Bin Xu;Ming Qi;National Laboratory of Solid State Microstructures and School of Physics, Nanjing University;Jinling Petrochemical Corporation Ltd;National 863 Program New Material MO Precursors R&D Center, Nanjing University;  
Linear alkyl benzene(LAB) will be used as the solvent in a liquid scintillator mixture for the JUNO antineutrino experiment. Its light absorption properties should therefore be understood prior to its effective use in the experiment. Attenuation length measurements at a light wavelength of 430 nm have been performed on samples of LAB prepared for the JUNO experiment. Inorganic impurities in LAB have also been studied for their possibilities of light absorption in our wavelength of interest. In view of a tentative plan by the JUNO collaboration to utilize neutron capture with hydrogen in the detector, we also present in this work a preliminary study on the carbon–hydrogen ratio and the attenuation length of the samples.
【Fund】: Supported by China Ministry of Science and Technology(2013CB834300)
【CateGory Index】: TL812.2;O572.321
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