Attenuation length measurements of a liquid scintillator with LabVIEW and reliability evaluation of the device

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GAO Long, YU Bo-Xiang, DING Ya-Yun, ZHOU Li, WEN Liang-Jian, XIE Yu-Guang, WANG Zhi-Gang, CAI Xiao, SUN Xi-Lei, FANG Jian, XUE Zhen, ZHANG Ai-Wu, SUN Li-Jun, GE Yong-Shuai, LIU Ying-Biao, NIU Shun-Li, HU Tao, CAO Jun, Attenuation length measurements of a liquid scintillator with LabVIEW and reliability evaluation of the device[J]. Chinese Physics C, 2013, 37(7): 076001. doi: 10.1088/1674-1137/37/7/076001
GAO Long, YU Bo-Xiang, DING Ya-Yun, ZHOU Li, WEN Liang-Jian, XIE Yu-Guang, WANG Zhi-Gang, CAI Xiao, SUN Xi-Lei, FANG Jian, XUE Zhen, ZHANG Ai-Wu, SUN Li-Jun, GE Yong-Shuai, LIU Ying-Biao, NIU Shun-Li, HU Tao, CAO Jun, Attenuation length measurements of a liquid scintillator with LabVIEW and reliability evaluation of the device[J]. Chinese Physics C, 2013, 37(7): 076001.  doi: 10.1088/1674-1137/37/7/076001 shu
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Received: 2012-09-26
Revised: 2012-10-15
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Attenuation length measurements of a liquid scintillator with LabVIEW and reliability evaluation of the device

    Corresponding author: GAO Long,
    Corresponding author: YU Bo-Xiang,

Abstract: An attenuation length measurement device was constructed using an oscilloscope and LabVIEW for signal acquisition and processing. The performance of the device has been tested in a variety of ways. The test results show that the set-up has a good stability and high precision (sigma/mean reached 0.4 percent). Besides, the accuracy of the measurement system will decrease by about 17 percent if a filter is used. The attenuation length of a gadolinium-loaded liquid scintillator (Gd-LS) was measured as 15.10±0.35 m where Gd-LS was heavily used in the Daya Bay Neutrino Experiment. In addition, one method based on the Beer-Lambert law was proposed to investigate the reliability of the measurement device, the R-square reached 0.9995. Moreover, three purification methods for Linear Alkyl Benzene (LAB) production were compared in the experiment.

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