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- W85144885 abstract "The Inglis cranking model has been widely used to calculate the nuclear inertia associated with collective degrees of freedom. After the inclusion of pairing correlations, theoretical results obtained with the cranking model for nuclear rotations and ..gamma..-vibrations were in relatively good agreement with experimental data. Calculations of ..beta..-vibrational inertias were also performed in the cranking model for fission deformations. Theoretical results were several times the irrotational values and gave reasonable agreement with experimental spontaneous-fission lifetimes, although in one study a renormalization factor of 0.8 was required. However, as pointed out by many authors, the Inglis cranking model possesses two serious deficiencies. First, problems arise when the single-particle potential contains momentum-dependence terms. Second, in the limit of large pairing strength the inertia approaches zero instead of a finite (irrotational) limit. Alternative approaches to the cranking model which did not lead to such unacceptable results were developed by Migdal, Belyaev and Thouless and Valatin. They showed that these deficiencies of the cranking model are due to a lack of self-consistency, since the reaction of the mean field to the collective motion is neglected in the Inglis model. Previously we used their arguments and developed a generalized cranking model for stationary collective motion.more » Here it is shown how to develop a time-dependent formalism appropriate to ..beta..-vibrations and fission. 10 references.« less" @default.
- W85144885 created "2016-06-24" @default.
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- W85144885 date "1984-01-01" @default.
- W85144885 modified "2023-09-27" @default.
- W85144885 title "Nuclear inertia for fission in a generalized cranking model" @default.
- W85144885 hasPublicationYear "1984" @default.
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