Evaluation of polymer gels using Monte Carlo simulations
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2020
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Radiation Physics and Chemistry
Resumo
The use of Monte Carlo simulations in dosimetry is a well established area of research, and several correction
factors, for ionization chambers, were evaluated with these simulations. Some simulated values were considered
even more reliable than the experimental measurements. Besides these uses with ionization chambers, Monte
Carlo simulations may also be employed in the development and characterization of new dosimetric materials, as
polymer gels. They are largely employed in radiotherapy dosimetry to mimic human tissue. New polymer gels
were studied in order to better represent different organs or tissues, to provide more reliable results, or even to
use different measurement techniques. The objective of this study was to evaluate the dosimetric properties of
polymer gels, in relation to its mass-energy absorption coefficients, energy response and tissue equivalence. For
this purpose the MCNPX Monte Carlo code was utilized. Three different materials, employed in radiotherapy
dosimetry were evaluated in this work: MAGAS, MAGAT and AMPS. For all simulations carried out, the values
were within an acceptable uncertainty and in accordance to the expected results.
Como referenciar
SANTOS, CARLA J.; SANTOS, WILLIAM S.; PERINI, ANA P.; VALERIANO, CAIO C.S.; BELINATO, WALMIR; CALDAS, LINDA V.E.; NEVES, LUCIO P. Evaluation of polymer gels using Monte Carlo simulations. Radiation Physics and Chemistry, v. 167, p. 1-4, 2020. DOI: 10.1016/j.radphyschem.2019.03.038. Disponível em: http://repositorio.ipen.br/handle/123456789/31436. Acesso em: 29 Mar 2024.
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.