Performance of GEANT4 in dosimetry applications: calculation of X-ray spectra and kerma-to-dose equivalent conversion coefficients
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Radiation Measurements
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In order to validate the Geant4 toolkit for dosimetry applications, simulations were performed to
calculate conversion coefficients h(10, a) from air kerma free-in-air to personal dose equivalent Hp(10, a).
The simulations consisted of two parts: the production of X-rays with radiation qualities of narrow and
wide spectra, and the interaction of radiation with ICRU tissue-equivalent and ISO water slab phantoms.
The half-value layers of the X-ray spectra obtained by simulation were compared with experimental
results. Mean energy, spectral resolution, half-value layers and conversion coefficients were compared
with ISO reference values. The good agreement between results from simulation and reference data
shows that the Geant4 is suitable for dosimetry applications which involve photons with energies in the
range of ten to a few hundreds of keV
Como referenciar
GUIMARAES, CARLA C.; MORALLES, MAURICIO; OKUNO, EMICO. Performance of GEANT4 in dosimetry applications: calculation of X-ray spectra and kerma-to-dose equivalent conversion coefficients. Radiation Measurements, v. 43, n. 9-10, p. 1525-1531, 2008. DOI: 10.1016/j.radmeas.2008.07.001. Disponível em: http://repositorio.ipen.br/handle/123456789/4999. Acesso em: 30 Dec 2025.
Esta referência é gerada automaticamente de acordo com as normas do estilo IPEN/SP (ABNT NBR 6023) e recomenda-se uma verificação final e ajustes caso necessário.