Primary standardization and Monte Carlo modeling of ( 243Am + 239Np) by means of a 4π(PC)-γ coincidence counting system
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Applied Radiation and Isotopes
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The procedure followed by the Nuclear Metrology Laboratory (LMN) at the IPEN for the primary standardization
of a (
243Am + 239Np) solution, in secular equilibrium, is described. The measurement was carried out in a 4π(PC)
(α,β)− γ coincidence system. The total activity per unit mass of the solution was determined by the extrapolation
technique, using a software coincidence counting systsem. The extrapolation curves were compared with Monte
Carlo calculations by means of Code ESQUEMA, used in previous works, which, was improved and applied in
order to calculate the alpha, beta, gamma, X-rays and coincidence spectra.
Como referenciar
KOSKINAS, MARINA F.; MOREIRA, DENISE S.; YAMAZAKI, IONE M.; COLONNO, MARCELO; SEMMLER, RENATO; MORAIS, THALES S.L.; DIAS, MAURO S. Primary standardization and Monte Carlo modeling of ( 243Am + 239Np) by means of a 4π(PC)-γ coincidence counting system. Applied Radiation and Isotopes, v. 202, p. 1-7, 2023. DOI: 10.1016/j.apradiso.2023.111070. Disponível em: http://repositorio.ipen.br/handle/123456789/34209. 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.