Determination of the gamma-ray effective dose from different cylindrical radioactive solution sources in a biological tissue by using Monte Carlo calculations
نویسندگان
چکیده
A new method was developed based on calculating the ahsorption coefficients, selfabsorption coefficients and transmission coefîlcients of the gamma-photons emitted by different radioisotopes for evaluating gamma dose equivalent rates, at 1 meter from varions cylindrical radioactive solution sources utilized in medicine, in a biological tissue. Resnlts obtained were compared with data given in literatnre. 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. ABSTRACT
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