Microscopic study of 240Pu, mean-field and beyond

Details Microscopic study of 240Pu, mean-field and beyond Microscopic study of 240Pu, mean-field and beyond

2004-09-02

arxiv.org/abs/nucl-th/0409007v1

Phys.Rev. C70 (2004) 054304

Physics

Nuclear Physics

Nuclear Theory

7 pages REVTEX4, 4 figures. accepted for publication in Phys. Rev. C

Scientific paper

10.1103/PhysRevC.70.054304

The influence of exact angular-momentum projection and configuration mixing on properties of a heavy, well-deformed nucleus is discussed for the example of Pu240. Starting from a self-consistent model using Skyrme interactions, we analyze the resulting modifications of the deformation energy, the fission barrier height, the excitation energy of the superdeformed minimum associated with the fission isomer, the structure of the lowest rotational bands with normal deformation and superdeformation, and the corresponding quadrupole moments and transition moments. We present results obtained with the Skyrme interactions SLy4 and SLy6, which have slightly different surface tensions.

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