Abstract
Researchers have long been involved in improving new and effective radiation-protection materials. In this study, we will verify the measurement of the attenuation coefficient of gamma rays, which is considered one of the most important points of protection from ionizing radiation, by fabricating a radiation-protective shield made by combining pol unsaturated polyester as a base material for the shield and reinforced by varying concentrations of the nano- barium oxide (BaO) in different proportions (15,25,35 and 45) %. Making use of an ultrasonic stirrer, and the radiation shielding properties of gamma rays are presented for the energies shown in this article. The results reveal that nanostructured samples are preferable at the linear and mass attenuation coefficients (LAC and MAC), the value of the shield's electronic density(Ne), and the value of radiation protection effectiveness (PRE) increased with the increase of reference material, which are considered good materials in radiation protection, but decreased with the increase in gamma ray energy. Keywords: BAO, LAC, MAC, NE, PRE
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