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dc.contributor.authorVedia, V.-
dc.contributor.authorPaziy, V.-
dc.contributor.authorFraile, L. M.-
dc.contributor.authorBriz, José Antonio-
dc.contributor.authorOlaizola, B.-
dc.contributor.authorStroe, L.-
dc.contributor.authorMach, H.-
dc.identifierdoi: 10.1103/PhysRevC.96.034311-
dc.identifierissn: 2469-9993-
dc.identifier.citationPhysical Review C 96:034311 (2017)-
dc.descriptionV. Vedía et al. -- 13 pags., 10 figs., 3 tabs.-
dc.description.abstractThe existence of two close-lying nuclear states in Ga73 has recently been experimentally determined: a 1/2- spin-parity for the ground state was measured in a laser spectroscopy experiment, while a Jπ=3/2- level was observed in transfer reactions. This scenario is supported by Coulomb excitation studies, which set a limit for the energy splitting of 0.8 keV. In this work, we report on the study of the excited structure of Ga73 populated in the β decay of Zn73 produced at ISOLDE, CERN. Using β-gated, γ-ray singles, and γ-γ coincidences, we have searched for energy differences to try to delimit the ground-state energy splitting, providing a more stringent energy difference limit. Three new half-lives of excited states in Ga73 have been measured using the fast-timing method with LaBr3(Ce) detectors. From our study, we help clarify the excited structure of Ga73 and we extend the existing Zn73 decay to Ga73 with 8 new energy levels and 35 γ transitions. We observe a 195-keV transition consistent with a γ ray de-exciting a short-lived state in the β-decay parent Zn73.-
dc.description.sponsorshipThis work was partially supported by the Spanish Ministerio de economía y competitividad (MINECO) via Project No. FPA2015-65035-P, by Grupo de Física Nuclear (GFN) at Universidad Complutense de Madrid (UCM). V.V. acknowledges funding from MINECO through FPI Grant No. BES-2014-068222 and J.A.B. acknowledges the Spanish MINECO through Project No. FPA2012-32443. We recognize the support from the European Union Seventh Framework Programme through ENSAR (Contract No. 262010), and the German Bundesministerium für Bildung und Forschung (BMBF) under Grant No. 05P15PKCIA. .-
dc.publisherAmerican Physical Society-
dc.relation.isversionofPublisher's version-
dc.titleSearch for the Ga 73 ground-state doublet splitting in the β decay of Zn 73-
dc.description.versionPeer Reviewed-
dc.contributor.funderMinisterio de Economía y Competitividad (España)-
dc.contributor.funderUniversidad Complutense de Madrid-
dc.contributor.funderEuropean Commission-
dc.contributor.funderFederal Ministry of Education and Research (Germany)-
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