Point Isotropic Gamma-Ray Buildup Factors in Concrete

C. M. Eisenhauer; G. L. Simmons

doi:dx.doi.org/10.13182/NSE75-A26739

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Home / Publications / Journals / Nuclear Science and Engineering / Volume 56 / Number 3

Point Isotropic Gamma-Ray Buildup Factors in Concrete

C. M. Eisenhauer, G. L. Simmons

Nuclear Science and Engineering / Volume 56 / Number 3 / March 1975 / Pages 263-270

Technical Paper / dx.doi.org/10.13182/NSE75-A26739

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Gamma-ray buildup factors in ordinary concrete have been calculated by the moments method. Results for concrete kerma and air kerma are tabulated for source energies from 15 MeV to 15 keV. Parameters are given that allow calculation of the buildup factor by means of a simple analytic expression. Comparisons are made with earlier calculations, and the effects of annihilation radiation are discussed.