Determination of transmission factors in beta radiation beams
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Applied Radiation and Isotopes
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Resumo
In beta emitters, in order to evaluate the absorbed dose rate at different tissue depths, it is necessary to determine
the transmission factors. In this work, the transmission factors determined in beta secondary standard radiation
beams are presented. For this purpose, an extrapolation chamber was used. The results obtained were considered
acceptable, and they are within the uncertainties in comparison with the values provided by the source calibration
certificate. The maximum differences between the results obtained in this work and those from the
calibration certificate were 3.3%, 3.8% and 5.9% for 90Sr/90Y, 85Kr and 147Pm sources respectively.
Como referenciar
POLO, IVON O.; CALDAS, LINDA V.E. Determination of transmission factors in beta radiation beams. Applied Radiation and Isotopes, v. 136, p. 82-86, 2018. DOI: 10.1016/j.apradiso.2018.02.010. Disponível em: http://repositorio.ipen.br/handle/123456789/28890. 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.