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  • 1 University of Guelph Guelph-Waterloo Program for Graduate Work in Physics, and Department of Physics N1G 2W1 Guelph Ontario Canada
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Abstract  

The intensity of the 1001 keV -ray occurring in the decay of234mPa in equilibrium with natural uranium sources is found to be (0.818±0.030)%. This value is in agreement with a recent measurement employing depleted uranium sources, but does not agree with earlier reports employing radiochemically pure sources.