Abstract
This paper concerns the measurement of the ratio of the cross sections for fissioning of /sup 237/Np and /sup 235/U by neutrons with energies in the range 4.5-10.7 MeV by the method of pulsed synchronization on an electric charge-exchange EGP-10M generator at the Physico-Energy Institute. The authors use targets consisting of fissioning materials, which in turn consist of thin layers of uranium and neptunium oxides deposited on aluminum substrates. The characteristics of the targets are presented. The measurements of the ratio of the cross sections for fissioning of /sup 237/Np and /sup 235/U by neutrons with energies in the range 4.44-10.69 MeV are illustrated. The data obtained in this work are compared with the results obtained by others.
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