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Sato, T.* ; Endo, A.* ; Zankl, M. ; Petoussi-Henß, N. ; Niita, K.*

Fluence-to-dose conversion coefficients for neutrons and protons calculated using the PHITS code and ICRP/ICRU adult reference computational phantoms.

Phys. Med. Biol. 54, 1997-2014 (2009)

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Open Access Green as soon as Postprint is submitted to ZB.

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The fluence to organ-dose and effective-dose conversion coefficients for neutrons and protons with energies up to 100 GeV was calculated using the PHITS code coupled to male and female adult reference computational phantoms, which are to be released as a common ICRP/ICRU publication. For the calculation, the radiation and tissue weighting factors, w(R) and w(T), respectively, as revised in ICRP Publication 103 were employed. The conversion coefficients for effective dose equivalents derived using the radiation quality factors of both Q(L) andQ(y) relationships were also estimated, utilizing the functions for calculating the probability densities of the absorbed dose in terms of LET (L) and lineal energy (y), respectively, implemented in PHITS. By comparing these data with the corresponding data for the effective dose, we found that the numerical compatibilities of the revised wR with the Q(L) and Q(y) relationships are fairly established. The calculated data of these dose conversion coefficients are indispensable for constructing the radiation protection systems based on the new recommendations given in ICRP103 for aircrews and astronauts, as well as for workers in accelerators and nuclear facilities.

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Publication type Article: Journal article

Document type Scientific Article

Corresponding Author

Keywords man anatomical model; monte-carlo code; monoenergetic neutrons; 10 tev; female; atmosphere; dosimetry; particle; beams

ISSN (print) / ISBN 0031-9155

e-ISSN 1361-6560

Journal Physics in Medicine and Biology

Quellenangaben Volume: 54, Issue: 7, Pages: 1997-2014

Publisher Institute of Physics Publishing (IOP)

Publishing Place Bristol

Non-patent literature Publications

Reviewing status Peer reviewed

Institute(s) Institute of Radiation Protection (ISS)