Estimation of 235U concentration in some depleted uranium samples by high resolution gamma-ray spectrometry using 185 keV and 1001 keV gamma-energies of 235U and 234mPa

Photon interaction and energy absorption in glass: A transparent gamma ray shield

“…For example, the effective atomic number can be used when estimating the chemical composition of an unknown compound, or when substituting a chemical element for a complex material [1]. It should be noted, however, that the atomic numbers of the constituent elements of the material have to be weighted differently for each of the different processes, by which gamma radiation can interact with matter.…”