Variance reduction technique in a beta radiation beam using an extrapolation chamber
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Applied Radiation and Isotopes
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This paper aims to show how the variance reduction technique “Geometry splitting/Russian roulette” improves
the statistical error and reduces uncertainties in the determination of the absorbed dose rate in tissue using an
extrapolation chamber for beta radiation. The results show that the use of this technique can increase the
number of events in the chamber cavity leading to a closer approximation of simulation result with the physical
problem. There was a good agreement among the experimental measurements, the certificate of manufacture
and the simulation results of the absorbed dose rate values and uncertainties. The absorbed dose rate variation
coefficient using the variance reduction technique “Geometry splitting/Russian roulette” was 2.85%.
Como referenciar
POLO, IVON O.; SANTOS, WILLIAM S.; ANTONIO, PATRICIA de L.; CALDAS, LINDA V.E. Variance reduction technique in a beta radiation beam using an extrapolation chamber. Applied Radiation and Isotopes, v. 128, p. 154-157, 2017. DOI: 10.1016/j.apradiso.2017.06.017. Disponível em: http://repositorio.ipen.br/handle/123456789/27797. 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.