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Radiation Protection Dosimetry Advance Access originally published online on June 17, 2009
Radiation Protection Dosimetry 2009 135(3):197-202; doi:10.1093/rpd/ncp106
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© The Author 2009. Published by Oxford University Press. All rights reserved. For Permissions, please email: journals.permissions@oxfordjournals.org

Gamma and beta doses in human organs due to radon progeny in human lung

V. M. Markovic, D. Krstic and D. Nikezic*

Faculty of Science, University of Kragujevac, Kragujevac, Serbia

* Corresponding author: nikezic{at}kg.ac.yu

Received December 18, 2008, amended May 14, 2009, accepted May 25, 2009

A great deal of work has been devoted to determine the effect of tissue damage produced by alpha particles emitted from radon and its progeny. 214Pb and 214Bi deposited in the human lungs emit beta particles followed by the gamma quanta, which cause smaller damage of tissue in comparison with alpha particles. Because of that, this type of irradiation has not been studied in detail. In this paper, doses from beta and gamma rays emitted by radon progeny 214Pb and 214Bi in the lungs have been calculated in all main organs and the remainder tissues of the human body. Human Oak Ridge National Laboratory phantom of adult male and female was used, where simulation was performed using MCNP-4B simulation code. The sources of beta and gamma radiations, namely, the radon progeny were located in lungs. Furthermore, dose conversion coefficients have been calculated.


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