Year

1977

Degree Name

Doctor of Philosophy

Department

Department of Physics

Abstract

Measurements of the angular distribution of fragments from the neutron-induced fission of 232Th, 233U have been made over the neutron energy range of thermal to 2 MeV. The transition state spectra of fission channels for the compound nuclei 233Th, 234U and 236U were obtained by applying the method of the channel analysis of fission to the angular distribution results. In addition to the reproducing the fission fragment angular distributions, the channel analysis provided quantitative estimates of the neutron fission cross sections. Also, the method of a statistical analysis of fission was attempted for the 233U data since 233U has a very low fission threshold and many channels are at least partially open even at low neutron enegies.

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