Abstract
In this study the total atomic cross-section (σ a ), total electronic cross-section (σ e ), effective atomic number (Z eff ) and effective electron density (N eff ) of locally developed ilmenite-magnetite (I-M) concrete were calculated analytically for different photon energies from 1 keV to 20 MeV and compared with concretes of different densities and compositions. The effect of Z eff on the mass attenuation coefficient (μ /ρ , σ a , σ e ) is shown graphically. The values of σ a , σ e , Z eff and N eff of I-M concrete were found to be higher than those of the ordinary concretes and in some cases than those of heavy concretes, which proved I-M concrete’s shielding effectiveness. The results of this study will provide some useful information for a shielding material database for practical shielding calculation.
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