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Determination of the gamma-ray effective dose from different cylindrical radioactive solution sources in a biological tissue by using Monte Carlo calculations

Published online by Cambridge University Press:  17 June 2005

M. A. Misdaq  and
A. Merzouki
M. A. Misdaq
Affiliation:
Nuclear Physics and Techniques Laboratory, Faculty of Sciences Semlalia, BP 2390, University Cadi Ayyad, Marrakech, Morocco
A. Merzouki
Affiliation:
Nuclear Physics and Techniques Laboratory, Faculty of Sciences Semlalia, BP 2390, University Cadi Ayyad, Marrakech, Morocco
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Abstract

A new method was developed based on calculating the absorption coefficients, self-absorption coefficients and transmission coefficients of the gamma-photons emitted by different radioisotopes for evaluating gamma dose equivalent rates, at 1 meter from various cylindrical radioactive solution sources utilized in medicine, in a biological tissue. Results obtained were compared with data given in literature. The influence of the radioisotope half-life and gamma-photon energy and number of photons per disintegration on the gamma dose equivalent rate, effective dose and threshold initial activity of the considered solution sources was studied.

Keywords

Monte Carloradiation, gammadose equivalentradiation, medicine
Type
Research Article
Information
Radioprotection , Volume 37 , Issue 2 , April 2002 , pp. 149 - 160
Copyright
© EDP Sciences, 2002

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