Home / Store / Journals / Electronic Articles / Nuclear Science and Engineering / Volume 17 / Number 1 / Pages 125-130
Eric T. Clarke, John F. Batter
Nuclear Science and Engineering / Volume 17 / Number 1 / Pages 125-130
Format:electronic copy (download)
Gamma radiation from point sources of cobalt-60 (1.25 Mev) and iridium-192 (0.4 Mev) was scattered from a concrete surface. Dose rates were measured at heights equal to source heights, as a function of the ratio of height to separation distance. The percent of scattered to direct radiation rises to a maximum of 12% at h/d = 0.10 for cobalt-60, and a maximum of 20% at h/d = 0.15 for iridium-192. These results are shown to agree with other work and with Monte Carlo calculations.
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