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J Radiat Prot > Volume 28(1); 2003 > Article
Journal of Radiation Protection 2003;28(1):19-0.
방사선 측정관련 보정인자 계산
신희성;노성기;김호동;
Calculations of Radiation Measurement-Related Correction Factors
Shin, Hee-Sung;Ro, Seung-Gy;Kim, Ho-Dong;
ABSTRACT
The self-attenuation factor for an $^{198}Au$ sample and the 0.412 MeV gamma-ray penetration ratio in the circular Al-cover of the radiation detector have been determined using an analytical solution and MCNP code. The results show that the self-attenuation factors obtained from the analytical solution coincide with those of MCNP code for all but the Au sample with the relatively larger radius. Then the maximum difference between the two methods appears to be 9 % in the Au sample of 1.5 mm radius. It also is revealed that the analytical solutions of the 0.412 MeV gamma-ray penetration ratio in the Al-cover of 7.62 cm radius are consistent with those of the MCNP code within the standard deviation.
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