Radiation Protection Dosimetry Advance Access originally published online on October 19, 2004
Radiation Protection Dosimetry 2004 112(3):345-358; doi:10.1093/rpd/nch412
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Radiation Protection Dosimetry Vol. 112, No. 3 © Oxford University Press 2004; all rights reserved
Fluence to effective dose conversion coefficients calculated for monoenergetic electrons up to 200 MeV in partial exposure geometries
1 Department of Atomic Science and Nuclear Engineering, Hokkaido University, North 13, West 8, Kita-ku, Sapporo, 060-8628, Japan
2 Department of Information Design, Hokkaido Institute of Technology, 4-1, 7-15, Maeda, Teine-ku, Sapporo, 006-8585, Japan
* Corresponding author: m-katagiri{at}hit.ac.jp
Organ doses and effective doses were calculated for monoenergetic electrons from 0.1 to 200 MeV using the EGS4 Monte Carlo simulation code and the MIRD-5 human phantom in various non-uniform exposure geometries: anteriorposterior (AP) and posterioranterior (PA). Below 1 MeV, the skin is the main contributor to the effective dose conversion coefficients for each exposure geometry; however, above 1 MeV the calculations showed that the effective doses of partial exposures depended on the incident electron energy, the place and the size of the exposure on the body.