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

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

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...

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Veröffentlicht in:Radiation protection dosimetry 2010-12, Vol.142 (2-4), p.209-212
Hauptverfasser: Sardari, D., Baradaran, S.
Format: Artikel
Sprache:eng
Schlagworte:
Absorption
Body Burden
Computer Simulation
Dosimetry
Humans
Models, Theoretical
Monte Carlo Method
Monte Carlo simulation
Photons
Scattering, Radiation
Soft Tissue Injuries - etiology
Tissues
Water
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Zusammenfassung: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.
ISSN:0144-8420
1742-3406
DOI:10.1093/rpd/ncq212