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Semi-empirical relationship for photon buildup factor in soft tissue and water.

作者信息

Sardari D, Baradaran S

机构信息

Islamic Azad University, Science and Research Branch, Tehran, Iran.

出版信息

Radiat Prot Dosimetry. 2010 Dec;142(2-4):209-12. doi: 10.1093/rpd/ncq212. Epub 2010 Sep 7.

DOI:10.1093/rpd/ncq212
PMID:20823036
Abstract

Buildup factor of gamma and X-ray photons in the energy range of 0.2-2 MeV in water and soft tissue is computed using Monte Carlo code MCNP4C. The results are compared with the buildup factor data of pure water. A new relationship estimating buildup factor as a function of penetration depth, Compton scattering and energy absorption cross sections is introduced. The new relationship estimates buildup factor with 5 % deviation compared with the existing data.

摘要

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