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Título: | Shape evolution in yttrium and niobium neutron-rich isotopes |
Autor: | Rodriguez-Guzmán, R.; Sarriguren, Pedro CSIC ORCID; Robledo, Luis Miguel | Palabras clave: | [PACS] Nuclear Density Functional Theory and extensions (includes Hartree-Fock and random-phase approximations) [PACS] Single-particle levels and strength functions [PACS] Properties of specific nuclei listed by mass ranges 90 ≤ A ≤ 149 |
Fecha de publicación: | 11-abr-2011 | Editor: | American Physical Society | Citación: | Physical Review - Section C - Nuclear Physics 83, 044307 (2011) | Resumen: | The isotopic evolution of the ground-state nuclear shapes and the systematics of one-quasiproton configurations are studied in neutron-rich odd-A yttrium and niobium isotopes. We use a self-consistent Hartree-Fock-Bogoliubov formalism based on the Gogny energy density functional with two parametrizations, D1S and D1M. The equal-filling approximation is used to describe odd-A nuclei preserving both axial and time-reversal symmetries. Shape-transition signatures are identified in the N = 60 isotopes in both the charge radii and spin parities of the ground states. These signatures are a common characteristic for nuclei in the whole mass region. The nuclear deformation and shape coexistence inherent to this mass region are shown to play a relevant role in the understanding of the spectroscopic features of the ground and low-lying one-quasiproton states. Finally, a global picture of the neutron-rich A ∼ 100 mass region from krypton up to molybdenum isotopes is illustrated with the systematics of the nuclear charge radii isotopic shifts. | Descripción: | 11 págs. ; 14 figs. | Versión del editor: | http://dx.doi.org/10.1103/PhysRevC.83.044307 | URI: | http://hdl.handle.net/10261/44152 | DOI: | 10.1103/PhysRevC.83.044307 | ISSN: | 0556-2813 |
Aparece en las colecciones: | (CFMAC-IEM) Artículos |
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