The Tensor Part of the Skyrme Energy Density Functional

Details The Tensor Part of the Skyrme Energy Density Functional The Tensor Part of the Skyrme Energy Density Functional

2007-08-31

arxiv.org/abs/0708.4326v1

23rd International Nuclear Physics Conference - INPC2007, Tokyo : Japon (2007)

Physics

Nuclear Physics

Nuclear Theory

3pages, 1 figure; Proceedings of the INPC2007, June 3-8, 2007, Tokyo, Japan

Scientific paper

We systematically study the effect of the J^2 tensor terms in the Skyrme energy functional on properties of spherical nuclei. We build a set of 36 parameterizations covering a wide range of the corresponding parameter space. We analyze the impact of the tensor terms on the evolution of single-particle-level splittings along chains of semi-magic nuclei in spherical calculations. We find that positive values of the coupling constants of proton-neutron and like-particle tensor terms allow for a qualitative description of the evolution of neutron and proton single-particle level splittings in chains of Ca, Ni and Sn isotopes.

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