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Title

Mean field study of structural changes in Pt isotopes with the Gogny interaction

AuthorsRodríguez-Guzmán, R. CSIC; Sarriguren, Pedro CSIC ORCID; Robledo, L.M.; Garcia-Ramos, J.E.
KeywordsShape evolution
Hartree-Fock-Bogoliubov calculations
Platinum isotopes
Issue Date11-Feb-2010
PublisherAmerican Physical Society
CitationPHYSICAL REVIEW C 81, 024310 (2010)
AbstractThe evolution of the nuclear shapes along the triaxial landscape is studied in the Pt isotopic chain using the self-consistent Hartree-Fock-Bogoliubov approximation based on the Gogny interaction. In addition to the parametrization D1S, the new incarnations D1N and D1M of this force are also included in our analysis to assess to which extent the predictions are independent of details of the effective interaction. The considered range of neutron numbers 88 <= N <= 126 includes prolate, triaxial, oblate, and spherical ground-state shapes and serves as a detailed comparison of the predictions obtained with the new sets D1N and D1M against the ones provided by the standard parametrization Gogny-D1S in a region of the nuclear landscape for which experimental and theoretical fingerprints of shape transitions have been found. Structural evolution along the Pt chain is discussed in terms of the deformation dependence of single-particle energies.
Publisher version (URL)http://dx.doi.org/10.1103/PhysRevC.81.024310
URIhttp://hdl.handle.net/10261/31789
DOIhttp://dx.doi.org/10.1103/PhysRevC.81.024310
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