Abstract
Experimental data are obtained on the spectral angular distribution of γ-rays back-scattered by different scatterers-paraffin wax, graphite, aluminium, iron, zinc, cadmium and lead (semi-infinite media) in an isotropic point source geometry. The energies of the primary y-rays were 0·145,0·190,0·279,0·320,0·396,0·661 and 0·765 MeV. The experimental values of the numerical and energy albedos A and AE are in good agreement with the calculated values obtained by the Monte Carlo method. The results of the work are presented in the form of tables and graphs of A, A E and A/IA E as functions of Z and E γ .
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