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Virtual point source efficiency calibration method for voluminous sample of radio-xenon based on efficiency function of point source

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Abstract

A virtual point source calibration method is developed to finish the calibration of voluminous sample. We used a mixed point source to get the parameters of efficiency function, obtaining the virtual position of voluminous sample. So, the detection efficiency of xenon samples and standard soil samples were calibrated by placing the point source at their virtual position. The Monte Carlo method was also used to simulate the detector efficiency of xenon samples. Deviations between the virtual source method and Monte Carlo simulation are within 2.2 % for xenon samples. Thus, we have developed two robust efficiency calibration methods based on Monte Carlo simulations and virtual point source, respectively.

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Acknowledgments

Xiaoping Ouyang was supported by National Natural Science Foundation of China (11405134).

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Authors and Affiliations

  1. Department of Engineering Physics and Key Laboratory of Particle and Radiation Imaging (Tsinghua University), Ministry of Education, Beijing, 100084, China

    Zining Tian, Xiaoping Ouyang & Ming Zeng

  2. Northwest Institute of Nuclear Technology, Xi’an, 710024, China

    Zining Tian & Xiaoping Ouyang

  3. School of Materials Science and Engineering, Xiangtan University, Xiangtan, 411105, Hunan, China

    Xiaoping Ouyang & Zheng Li

  4. School of Nuclear Science and Engineering, North China Electric Power University, Beijing, 102206, China

    Xiaoping Ouyang & Yang Liu

Authors
  1. Zining Tian
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  2. Xiaoping Ouyang
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  3. Zheng Li
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  4. Yang Liu
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  5. Ming Zeng
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Correspondence to Zining Tian.

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Tian, Z., Ouyang, X., Li, Z. et al. Virtual point source efficiency calibration method for voluminous sample of radio-xenon based on efficiency function of point source. J Radioanal Nucl Chem 308, 579–586 (2016). https://doi.org/10.1007/s10967-015-4456-z

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  • DOI: https://doi.org/10.1007/s10967-015-4456-z

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