Modeling the thermoluminescent response of CaSO4:Dy by the MCNPX method

C. Furetta, J. Roman, T. Rivera, J. Azorín, C. G. Azorín, H. R. Vega-Carrillo

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2 Citas (Scopus)

Resumen

This work describes an algorithm for absorbed dose evaluation in the region of X-ray diagnostic energy based on the response of CaSO4:Dy thermoluminescence powder detectors. The absorbed dose was calculated using Monte Carlo simulation code (MCSC) and then compared to the experimental TLD results for X-rays effective energies 60Co gamma radiation. In order to study the photon interaction in the matter, a cylindrical model of 1 cm3 was used. The gamma radiation source was placed at 100 cm to the object; the source is considered as an isotropic source of 60Co. The energy deposited into the cylindrical model was determined by the Monte Carlo N-particle (MCNPX) method. Measurements of the TL phosphors were obtained by irradiating the powder by gamma radiation. TL glow curve of CaSO4:Dy after gamma irradiated at a 1 Gy of absorbed dose was then obtained.

Idioma originalInglés
Páginas (desde-hasta)967-969
Número de páginas3
PublicaciónApplied Radiation and Isotopes
Volumen68
N.º4-5
DOI
EstadoPublicada - abr. 2010
Publicado de forma externa

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