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NaI cubic detector full-energy peak efficiency, including coincidence and self-absorption corrections for rectangular sources using analytical method

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A Correction to this article was published on 20 February 2021

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Abstract

Low activities of radionuclides in environmental and occupational samples demand for the lower detection limits of the measuring system, which can be achieved by minimizing the source-to-detector distance. Analytical technique to calculate full-energy peak efficiency and total efficiency, self-absorption of sources and a coincidence factor of the NaI cubic scintillation detector with rectangular cavity for rectangular source have been derived. The photon path length of the volumetric sources calculated and determined source self-absorption. The photon attention by rectangular sources and detector cap materials is also calculated. In the experiments gamma aqueous source containing Eu-152 radionuclide covering range from 121 to 1408 keV was used. By comparison analytical method for calculating the full energy peak efficiency and the corrected experimental efficiency values are in good a agreement.

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Authors and Affiliations

  1. Physics Department, Faculty of Science, Alexandria University, Alexandria, 21511, Egypt

    Mahmoud I. Abbas, Mohamed Elsafi, Mona M. Gouda & Ahmed M. El-Khatib

  2. Department of Basic and Applied Sciences, Faculty of Engineering, Arab Academy for Science, Technology and Maritime Transport, Alexandria, Egypt

    Mohamed Abd-Elzaher

  3. Physics Department, Al-Jamoum University College, Umm Al-Qura University, Al-Jamoum, Saudi Arabia

    A. Hamzawy & Mohamed S. Badawi

  4. Physics Department, Faculty of Science, Beirut Arab University, Beirut, Lebanon

    Mohamed S. Badawi

  5. Department of Medical Equipment Technology, Faculty of Allied Medical Sciences, Pharos University, Alexandria, Egypt

    Abouzeid A. Thabet

  6. Physics Department, Faculty of Science, Lebanese University, Beirut, Lebanon

    Salam Noureddine

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  1. Mahmoud I. Abbas
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  2. Mohamed Elsafi
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  3. Mona M. Gouda
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  4. Mohamed Abd-Elzaher
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  5. A. Hamzawy
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  6. Mohamed S. Badawi
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  7. Abouzeid A. Thabet
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  8. Salam Noureddine
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  9. Ahmed M. El-Khatib
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Corresponding author

Correspondence to Mohamed Elsafi.

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Abbas, M.I., Elsafi, M., Gouda, M.M. et al. NaI cubic detector full-energy peak efficiency, including coincidence and self-absorption corrections for rectangular sources using analytical method. J Radioanal Nucl Chem 327, 251–258 (2021). https://doi.org/10.1007/s10967-020-07508-8

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  • DOI: https://doi.org/10.1007/s10967-020-07508-8

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