Fission barriers in actinides in covariant density functional theory: the role of triaxiality

Details Fission barriers in actinides in covariant density functional theory: the role of triaxiality Fission barriers in actinides in covariant density functional theory: the role of triaxiality

2010-10-09

arxiv.org/abs/1010.1803v1

Phys.Rev.C82:044303,2010

Physics

Nuclear Physics

Nuclear Theory

11 pages, 13 figures

Scientific paper

10.1103/PhysRevC.82.044303

Relativistic mean field theory allowing for triaxial deformations is applied for a systematic study of fission barriers in the actinide region. Different pairing schemes are studied in details and it is shown that covariant density functional theory is able to describe fission barriers on a level of accuracy comparable with non-relativistic calculations, even with the best phenomenological macroscopic+microscopic approaches. Triaxiality in the region of the first saddle plays a crucial role in achieving that.

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