P-odd asymmetries for the binary fission of oriented target nuclei, induced by cold polarized neutrons |
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Authors: | S. G. Kadmensky L. V. Titova V. E. Bunakov |
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Affiliation: | 1. Voronezh State University, Voronezh, 394006, Russia 2. St. Petersburg Nuclear Physics Institute, Russian Academy of Sciences, St. Petersburg, 188300, Russia
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Abstract: | ![]() P-odd asymmetries in binary fission of oriented target nuclei induced by cold polarized neutrons are described for the first time using methods of the quantum theory of fission. A spin matrix of the compound nucleus density is constructed with allowance for the interference of the fission amplitudes of various pairs of neutron resonances excited in the given nucleus during the capture of a cold polarized neutron by the oriented target nucleus. In the differential cross sections for this reaction we obtain not only P-odd T-even correlations with the angular dependence different from that of the earlier investigated correlations in the fission of unoriented target nuclei by polarized neutrons but also P-odd T-odd correlations that do not occur in the fission of unoriented target nuclei by polarized neutrons and oriented target nuclei by unpolarized neutrons. |
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