Fission barriers and asymmetric ground states in the relativistic mean field theory

Details Fission barriers and asymmetric ground states in the relativistic mean field theory Fission barriers and asymmetric ground states in the relativistic mean field theory

1996-10-25

arxiv.org/abs/nucl-th/9610037v1

Nucl.Phys. A590 (1995) 680-702

Physics

Nuclear Physics

Nuclear Theory

30 pages RevTeX, 7 tables, 12 low resolution Gif figures (high resolution PostScript versions are available at http://www.th

Scientific paper

10.1016/0375-9474(95)00192-4

The symmetric and asymmetric fission path for 240Pu, 232Th, and 226Ra is investigated within the relativistic mean field model. Standard parametrizations which are well fitted to nuclear ground state properties are found to deliver reasonable qualitative and quantitative features of fission, comparable to similar nonrelativstic calculations. Furthermore, stable octupole deformations in the ground states of Radium isotopes are investigated. They are found in a series of isotopes, qualitatively in agreement with nonrelativistic models. But the quantitative details differ amongst the models and between the various relativsitic parametrizations.

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