An Analysis of Total Gamma-Ray Cross Sections in Al, Cu, and Pb

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Abstract
Experimental gamma‐ray cross sections in the energy region 145–662 keV, in the elements Al, Cu, and Pb are evolved utilizing most of the available experimental data with suitable errors attached to them on a statistical basis. Agreement is observed with the theoretical total gamma‐ray cross sections within the range of errors. With these values using the ``subtraction technique,'' studies are made on (a) photoelectric cross sections, (b) scattering cross sections, and (c) S(q, Z) function. Within the range of errors, agreement is observed between theory and experiment, deferring the existing discrepancies in this region and in these elements. A systematic measurement of total gamma‐ray cross sections is suggested, so that there should be repeatability of the experimental results by any experimenter within the range of specified accuracy to draw better conclusions on the existing discrepancies between theory and experiment in the region and in these elements.

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