Evolution of nuclear shapes in medium mass isotopes from a microscopic perspective

被引：73
|
作者：
Robledo, L. M. [1 ]
Rodriguez-Guzman, R. R. [2 ]
Sarriguren, P. [3 ]
机构：
[1] Univ Autonoma Madrid, Dept Fis Teor, E-28049 Madrid, Spain
[2] CEA Saclay, DSM IRFU SPhN, F-91191 Gif Sur Yvette, France
[3] CSIC, Inst Estructura Mat, E-28006 Madrid, Spain
来源：
PHYSICAL REVIEW C | 2008年 / 78卷 / 03期
关键词：
D O I：
10.1103/PhysRevC.78.034314
中图分类号：
O57 [原子核物理学、高能物理学];
学科分类号：
070202 ;
摘要：
The self-consistent Hartree-Fock-Bogoliubov approximation based on the finite-range and density-dependent Gogny interaction (parametrization D1S) has been used to generate potential energy curves in various chains of Pd, Xe, Ba, Nd, Sm, Gd, and Dy isotopes. The evolution of shapes with the number of nucleons is studied and a search for signatures of E(5) and X(5) critical point symmetries is also conducted. The results are compared with those obtained in the framework of other mean-field approximations to the nuclear many-body problem. The role of triaxiality in nuclei where this degree of freedom could be relevant is considered and discussed.
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页数：13
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