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Title

Charge radii and structural evolution in Sr, Zr, and Mo isotopes

AuthorsRodríguez-Guzmán, R. CSIC; Sarriguren, Pedro CSIC ORCID; Robledo, L.M.; Perez-Martin, S.
KeywordsMean field approach
Nuclear shape transitions
Charge radii isotope shifts
Issue DateAug-2010
PublisherElsevier
CitationPhysics Letters B 691, 202 (2010)
AbstractThe evolution of the ground-state nuclear shapes in neutron-rich Sr, Zr, and Mo isotopes, including both even-even and odd-A nuclei, is studied within a self-consistent mean-field approximation based on the D1S-Gogny interaction. Neutron separation energies and charge radii are calculated and compared with available data. A correlation between a shape transition and a discontinuity in those observables is found microscopically. While in Sr and Zr isotopes the steep behavior observed in the isotopic dependence of the charge radii is a consequence of a sharp prolate-oblate transition, the smooth behavior found in Mo isotopes has its origin in an emergent region of triaxiality.
Publisher version (URL)http://dx.doi.org/10.1016/j.physletb.2010.06.035
URIhttp://hdl.handle.net/10261/31861
DOI10.1016/j.physletb.2010.06.035
Appears in Collections:(CFMAC-IEM) Artículos

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