BSP – Computer code for evaluating protection against bremsstrahlung radiation from extended beta radiation sources

For a long time, radiation safety specialists have been aware of computer codes designed to calculate human dose exposure from beta or gamma radiation. However, these products have a major drawback: they do not consider the radiation fields generated by extended beta radiation sources due to bremsst...

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Bibliographic Details
Published in:Radiation physics and chemistry (Oxford, England : 1993) England : 1993), 2025-01, Vol.226, p.112173, Article 112173
Main Authors: Izgagin, Vyacheslav S., Zhukovsky, Michael V.
Format: Article
Language:English
Subjects:
Bremsstrahlung
Multilayer shielding
Numerical integration
Radiation shielding
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Summary:For a long time, radiation safety specialists have been aware of computer codes designed to calculate human dose exposure from beta or gamma radiation. However, these products have a major drawback: they do not consider the radiation fields generated by extended beta radiation sources due to bremsstrahlung. Existing solutions are either not widely available or use outdated nuclear-physical constants and methods for calculating dosimetric characteristics. A computer code was developed specifically for calculating shielding against bremsstrahlung. It allows to estimate effective, equivalent, exposure dose rate, ambient dose equivalent, and air kerma rate from bremsstrahlung. It utilizes the ANS/ANSI 6.4.3 materials data and the last dose conversion factors from ICRP 116. •Point-kernel method is the base of evaluation process.•Quanta of bremsstrahlung are combined into 10 groups.•Bremsstrahlung originates from an extended beta source.•Taylor's method and geometric progression are used for homogeneous shields.•Broder's method, last layer, and weighted layer are used for multilayer shields.
ISSN:0969-806X
DOI:10.1016/j.radphyschem.2024.112173