Abstract
The transmitted photon spectra of133Ba,22Na,137Cs,54Mn and60Co point sources are measured through different thicknesses of water, concrete and sand. The multiple-scatter peaks observed in these materials at 60, 90 and 100 keV energies respectively are found to be independent of incident photon energy and thickness of the medium.
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Bhandal, G.S., Kumar, V., Rani, R. et al. Multiple scattering of gamma rays in water, concrete and sand. Pramana - J. Phys. 42, 365–374 (1994). https://doi.org/10.1007/BF02847762
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DOI: https://doi.org/10.1007/BF02847762