Application of a semi-empirical model for the evaluation of transmission properties of barite mortar

Autor(es)

Santos, Josilene C. ^[1] ; Tomal, Alessandra ^[2] ; Mariano, Leandro ^[1] ; Costa, Paulo R. ^[1]

Afiliação do(s) autor(es)

^[1] Univ Sao Paulo, Inst Fis, BR-05508090 Sao Paulo - Brazil

^[2] Univ Estadual Campinas, Inst Fis Gleb Wataghin, BR-13083859 Campinas, SP - Brazil

• Tipo de documento: Artigo Científico
• Fonte: Applied Radiation and Isotopes; v. 100, p. 38-42, JUN 2015.
• Citações Web of Science: 1

Resumo

The aim of this study was to estimate barite mortar attenuation curves using X-ray spectra weighted by a workload distribution. A semi-empirical model was used for the evaluation of transmission properties of this material. Since ambient dose equivalent, H{*}(10), is the radiation quantity adopted by IAEA for dose assessment, the variation of the H{*}(10) as a function of barite mortar thickness was calculated using primary experimental spectra. A CdTe detector was used for the measurement of these spectra. The resulting spectra were adopted for estimating the optimized thickness of protective barrier needed for shielding an area in an X-ray imaging facility. (C) 2015 Elsevier Ltd. All rights reserved. (AU)

• Processo FAPESP: 11/04721-9 - Estudo experimental das relações entre kerma no ar e equivalente de dose ambiente para o cálculo de barreiras primárias em salas radiológicas
• Beneficiário: Josilene Cerqueira Santos
• Modalidade de apoio: Bolsas no Brasil - Mestrado
• Processo FAPESP: 10/12237-7 - Estudo experimental das relações entre Kerma no ar e equivalente de dose ambiente para o cálculo de barreiras primárias em salas radiológicas
• Beneficiário: Paulo Roberto Costa
• Modalidade de apoio: Auxílio à Pesquisa - Regular