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

AutorRobledo, L. M.; Rodríguez-Guzmán, R. ; Sarriguren, Pedro
Palabras clave[PACS] Nuclear Density Functional Theory and extensions (includes Hartree–Fock and random-phase approximations)
[PACS] Models based on group theory
[PACS] Properties of specific nuclei listed by mass ranges: 90 ≤ A ≤ 149
[PACS] Properties of specific nuclei listed by mass ranges: 150 ≤ A ≤ 189
Fecha de publicación22-sep-2008
EditorAmerican Physical Society
CitaciónPhysical Review C 78(3): 034314 (2008)
ResumenThe 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.
Descripción13 pages, 12 figures.-- PACS nrs.: 21.60.Jz; 21.60.Fw; 27.60.+j; 27.70.+q.
Versión del editorhttp://dx.doi.org/10.1103/PhysRevC.78.034314
ISSN0556-2813 (Print)
1089-490X (Online)
1538-4497 (CD-ROM)
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