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Experimental and Monte Carlo determination of HPGe detector efficiency

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Abstract

Monte Carlo model has been developed using the GEANT code for calculation of the full energy peak efficiency of a HPGe detector operating in the Slovak Institute of Metrology. The model has been used for calculation of the HPGe detector efficiency for gamma-spectrometry measurements associated with the development of a national radon standard. The detector model was validated by comparison of simulated efficiencies with measured experimental values for point sources and for 450 mL Marinelli beaker. A reasonable, up to 5% agreement between the simulated and experimental results was achieved in the energy range from 100 to 1800 keV.

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Acknowledgements

This work was supported by the Slovak Research and Development Agency under Contract No. APVV-15-0017.

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Authors and Affiliations

  1. Department of Nuclear Physics and Biophysics, Faculty of Mathematics, Physics and Informatics, Comenius University, 841 48, Bratislava, Slovakia

    Miroslav Ješkovský, Róbert Breier & Pavel P. Povinec

  2. Department of Ionizing Radiation, Slovak Institute of Metrology, 842 55, Bratislava, Slovakia

    Andrej Javorník & Jarmila Slučiak

  3. Faculty of Mechanical Engineering, Slovak University of Technology in Bratislava, 812 31, Bratislava, Slovakia

    Andrej Javorník

Authors
  1. Miroslav Ješkovský
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  2. Andrej Javorník
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  4. Jarmila Slučiak
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  5. Pavel P. Povinec
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Correspondence to Miroslav Ješkovský.

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Ješkovský, M., Javorník, A., Breier, R. et al. Experimental and Monte Carlo determination of HPGe detector efficiency. J Radioanal Nucl Chem 322, 1863–1869 (2019). https://doi.org/10.1007/s10967-019-06856-4

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  • DOI: https://doi.org/10.1007/s10967-019-06856-4

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