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A theoretical and experimental research on detection efficiency of HPGe detector for disc source with heterogeneous distribution

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Abstract

If we treat some heterogeneous distributed media including heterogeneous distributed radioactive sources, radioactive polluted field, “hot point/hot area” and “hot particle” as uniform distributed media, directly affects the accuracy of the detection efficiency calibrated, introduced the great metrical deviation. A Standard Normal distribution disc source was simulated by a point source experiment. The detection efficiency of heterogeneous distributed disc source is defined as multiply efficiency function of point source by the probability density function. And then we carried out process of the mathematical integrality and normalization. A description of the analysis and experimental results of this method are presented. The theoretical and experimental calculation of detection efficiency of HPGe detector for heterogeneous distribution disc source is consistent with each other.

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Authors and Affiliations

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

    Zi-ning Tian & Xiao-ping Ouyang

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

    Zi-ning Tian, Xiao-ping Ouyang, Lin-yue Liu, Jin-lu Ruan & Jin-liang Liu

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  1. Zi-ning Tian
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  2. Xiao-ping Ouyang
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  3. Lin-yue Liu
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  4. Jin-lu Ruan
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  5. Jin-liang Liu
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Corresponding author

Correspondence to Zi-ning Tian.

Additional information

This study was supported by The Project of National Natural Science Foundation of China No: 11405134.

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Tian, Zn., Ouyang, Xp., Liu, Ly. et al. A theoretical and experimental research on detection efficiency of HPGe detector for disc source with heterogeneous distribution. J Radioanal Nucl Chem 304, 905–910 (2015). https://doi.org/10.1007/s10967-014-3907-2

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  • DOI: https://doi.org/10.1007/s10967-014-3907-2

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