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Abstract

In this paper, we present an analytical calculation model of full energy peak efficiency for cylindrical detectors without collimator based on efficiency transfer method. A calculation program by Mathematica language is developed to apply to this model. The validity of the calculation model was checked by comparison with MCNP5 simulated efficiency values for measurements of point source in the waste drum containing matrix of rubber or concrete. The discrepancy between MCNP5 simulated and calculated efficiencies is smaller 11 %. This shows that the calculation model is reliable and can be applied to calculate the full energy peak efficiency for assays of radioactive waste drums. Besides, the calculated time by the this program is much faster than the simulation using MCNP5 program.

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Article Details

Issue: Vol 19 No 2 (2016)
Page No.: 71-80
Published: Jun 30, 2016
Section: Natural Sciences - Research article
DOI: https://doi.org/10.32508/stdj.v19i2.805

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Creative Commons License

Copyright: The Authors. This is an open access article distributed under the terms of the Creative Commons Attribution License CC-BY 4.0., which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

 How to Cite
Huynh, C., Luu, D., Vo, N., Tran, T., & Chau, T. (2016). An analytical calculation model of the full energy peak efficiency for cylindrical detectors used in assays of radioactive waste drums. Science and Technology Development Journal, 19(2), 71-80. https://doi.org/https://doi.org/10.32508/stdj.v19i2.805


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