Chinese Physics C > 2013, Vol. 37 > Issue(7): 076001 DOI: 10.1088/1674-1137/37/7/076001

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

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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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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

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Received: 2012-09-26
Revised: 2012-10-15

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通讯作者:陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

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

Corresponding author:GAO Long,

Corresponding author:YU Bo-Xiang,

Received Date:2012-09-26

Accepted Date:2012-10-15

Available Online:2013-07-05

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

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