Tabulation and Empirical Representation of Infinite-Medium Gamma-Ray Buildup Factors for Monoenergetic, Point Isotropic Sources in Water, Aluminum, and Concrete
- 1 February 1975
- journal article
- research article
- Published by Taylor & Francis in Nuclear Science and Engineering
- Vol. 56 (2) , 171-178
- https://doi.org/10.13182/NSE75-A26655
Abstract
Buildup factors for energy deposition in water and aluminum and for exposure in concrete are presented for monoenergetic, point isotropic gamma-ray sources. The buildup fac. tors were evaluated using the method of moments and are tabulated for energies from 0.03 to 10 MeV and distances out to 50 mean -free-paths from the source. Empirical representations of these buildup factors are developed using Berger’s formula. Fitting parameters are tabulated for each material as a function of source energy.Keywords
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