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Shapes and beta-decay in proton rich Ge, Se, Kr and Sr isotopes

AuthorsSarriguren, Pedro CSIC ORCID; Moya de Guerra, Elvira ORCID; Escuderos, A.
KeywordsDeformed selfconsistent HF-QRPA
Gamow-Teller strength
Issue Date11-Oct-1999
CitationNuclear Physics A 658, 13 (1999)
AbstractWe study ground states and beta-decay properties of the proton rich isotope chains Ge, Se, Kr, and Sr. We use a deformed selfconsistent HF+RPA approach with density-dependent effective interactions of Skyrme type. We find that most of the isotopes present two HF minima corresponding to two different shapes. In addition to static quadrupole moments and other ground state band properties, we present results for Gamow Teller strength distributions, as well as for half-lives and summed strengths. The role of deformation is particularly emphasized.
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