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The gamma-rays of radium Ozeroff, Michael John

Abstract

The thin-lens beta-ray spectrometer is described, together with its associated equipment. The energies of gamma-rays, emitted by Radium in equilibrium with its disintegration products have been determined by measuring, in such a spectrometer, the energies of photoelectrons ejected from lead. These energies agree reasonably well with those reported by Ellis and Skinner, although several values reported by Alichanov and Latyshev have not been found. The energy calculations were based on a calibration using the F line of Thorium B; (H ϱ = 1385.6 gauss-cm.). An indication was found of a gamma energy not previously reported.

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