Indian Journal of Science and Technology
Year: 2011, Volume: 4, Issue: 11, Pages: 1407-1409
ZaynabTal’at Al-Sheibani *
Physics Department, College of Science, University of Baghdad, Baghdad, Iraq
In this paper, Γ (absorbed dose rate constant) for 131I is calculated theoretically and is also determined experimentally applying important correction factors. These correction factors include those factors that affect the calculations, from the radioactive source to the sensor volume detector. Particular absorbed dose rate constants were calculated for each discrete line in the photon spectrum of 131I radionuclide with a yield per decay event >0.01% and the energy >80 keV. Estimation of dose rate for radiation source may be required for planning radiation protection measures, calibrations of radiation instruments or for estimating the absorbed dose to patients receiving brachytherapy.
Keywords: 131I, Dose rate, Radiation measurement, Radionuclide.
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