Validation of MCNP-X geometry to measurement linear attenuation coefficient
Keywords:
linear attenuation coefficient, gamma ray attenuation, MCNP-X codeAbstract
This paper presents a methodology for the determination of the linear attenuation coefficient. In order to validate the alignment and collimation of the geometry of the measurement for the calculation of the linear attenuation coefficient, a study was carried out with a reference material, a tantalum sheet with purity of 99.9% and thickness of 0.010 mm, supplied and measured by GoodFellow. The linear attenuation coefficient found experimentally was compared with the value of the literature.References
HUBBELL, J. H.; SELTZER, S. M. Tables of X-ray mass attenuation coefficients and mass energy-absorption coefficients. Version 1.03. Gaithersburg: National Institute of Standards and Technology. 1997. Disponível em: <http://physics.nist.gov/xaamdi> Acesso em: 9 mar. 2018.
PEIXOTO, P. N. B. Determinação de frações de volume em fluxos bifásicos óleo-gás e água-gás utilizando redes neurais artificiais e densitometria gama. 2016, 91 f. Dissertação (Mestrado em Ciência e Tecnologias Nucleares)-, Instituto de Engenharia Nuclear da Comissão Nacional de Energia Nuclear, Rio de Janeiro, 2016.
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Copyright (c) 2018 Philippe Netto Belache Peixoto, César Marques Salgado
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