Donald William Engelkemeir
Published: 1952
Total Pages: 88
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The primary aim of the present study was to put fission yields from U235 on a quantitative basis. The absolute fission yield of a convenient reference nuclide, 12.8d Ba140, was measured in a more direct manner than had previously been done. Fission yields in U235 and U238 were compared for a number of nuclides to determine whether or not the fission yields in natural uranium in a thermal neutron reactor might be influenced appreciably by fast fission of U238. As a result of this last experiment it was noted that the fission yield curves of U235 and U238 have significantly different shapes.