Installation Study of Gamma-ray Irradiation Systems Using Cs-137 and Co-60 Sources
Kim, Wuon-Shik;Hah, Suck-Ho;Hwang, Sun-Tae;
ABSTRACT
Using Cs-137 and Co-60 gamma-ray irradiation systems, the buildup factors for 2.9 cm thick lead absorber and the air scattering factors are determined for different beam solid angles from$2.4{pi}{times}10^{-3}sr;to;17.3{pi}{times}10^{-3}sr$. The corresponding buildup factors are turned out to be the values from 1.054 to 1.194 and the scattering factors to be the values from 1 to 1.064, respectively. To verify our results, calculated values using these factors and experimental values are compared. The differences between them are not more than 3. 3%.
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