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High-spin states in 212Po above the α-decaying (18+) isomer

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dc.abstract.enThe nucleus 212Po has been produced through the fragmentation of a 238U primary beam at 1 GeV/nucleon at GSI, separated with the FRagment Separator, FRS, and studied via isomer γ-decay spectroscopy with the RISING setup. Two delayed previously unknown γ rays have been observed. One has been attributed to the E3 decay of a 21− isomeric state feeding the α-emitting 45-s (18+) high-spin isomer. The other γ-ray line has been assigned to the decay of a higher-lying 23+ metastable state. These are the first observations of high-spin states above the 212Po (18+) isomer, by virtue of the selectivity obtained via ion-by-ion identification of 238U fragmentation products. Comparison with shell-model calculations points to shortfalls in the nuclear interactions involving high-j proton and neutron orbitals, to which the region around Z∼100 is sensitive.
dc.affiliationUniwersytet Warszawski
dc.contributor.authorPfützner, Marek
dc.contributor.authorGrębosz, Jerzy
dc.contributor.authorWollersheim, H.-J.
dc.contributor.authorWieland, O.
dc.contributor.authorWeick, H.
dc.contributor.authorWalker, P.M.
dc.contributor.authorUr, C.A.
dc.contributor.authorSzarka, I.
dc.contributor.authorStrmen, P.
dc.contributor.authorSiwal, D.
dc.contributor.authorSitar, B.
dc.contributor.authorSharma, A.
dc.contributor.authorSchaffner, H.
dc.contributor.authorSahin, E.
dc.contributor.authorRecchia, F.
dc.contributor.authorProchazka, A.
dc.contributor.authorPietri, S.
dc.contributor.authorNociforo, C.
dc.contributor.authorNaqvi, F.
dc.contributor.authorNapoli, D.R.
dc.contributor.authorMorales, A.I.
dc.contributor.authorMillion, B.
dc.contributor.authorMengoni, D.
dc.contributor.authorMenegazzo, R.
dc.contributor.authorMandal, S.
dc.contributor.authorLeoni, S.
dc.contributor.authorLenzi, S.M.
dc.contributor.authorKurz, N.
dc.contributor.authorKojouharov, I.
dc.contributor.authorKlupp, S.
dc.contributor.authorHabermann, T.
dc.contributor.authorGregor, E.
dc.contributor.authorGoel, N.
dc.contributor.authorGoasduff, A.
dc.contributor.authorGerl, J.
dc.contributor.authorGeissel, H.
dc.contributor.authorEngert, T.
dc.contributor.authorDoncel, M.
dc.contributor.authorDomingo-Pardo, C.
dc.contributor.authorCorsi, A.
dc.contributor.authorCrespi, F.C.L.
dc.contributor.authorCortés, M.L.
dc.contributor.authorCasarejos, E.
dc.contributor.authorCamera, F.
dc.contributor.authorBruce, A.M.
dc.contributor.authorBracco, A.
dc.contributor.authorBoutachkov, P.
dc.contributor.authorBenlliure, J.
dc.contributor.authorBazzacco, D.
dc.contributor.authorAngelis, G. de
dc.contributor.authorAlgora, A.
dc.contributor.authorRudolph, D.
dc.contributor.authorRegan, P.H.
dc.contributor.authorPodolyák, Zs.
dc.contributor.authorLunardi, S.
dc.contributor.authorGórska, M.
dc.contributor.authorGadea, A.
dc.contributor.authorBenzoni, G.
dc.contributor.authorValiente-Dobón, J.J.
dc.contributor.authorGottardo, A.
dc.contributor.authorZago, L.
dc.date.accessioned2024-01-25T03:12:01Z
dc.date.available2024-01-25T03:12:01Z
dc.date.copyright2022-09-26
dc.date.issued2022
dc.description.accesstimeBEFORE_PUBLICATION
dc.description.financePublikacja bezkosztowa
dc.description.versionFINAL_PUBLISHED
dc.description.volume834
dc.identifier.doi10.1016/J.PHYSLETB.2022.137457
dc.identifier.issn0370-2693
dc.identifier.urihttps://repozytorium.uw.edu.pl//handle/item/108495
dc.identifier.weblinkhttps://www.sciencedirect.com/science/article/pii/S0370269322005913?via%3Dihub
dc.languageeng
dc.pbn.affiliationphysical sciences
dc.relation.ispartofPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
dc.relation.pages137457
dc.rightsCC-BY
dc.sciencecloudnosend
dc.subject.enγ spectroscopy
dc.subject.enIsomer spectroscopy
dc.subject.enHigh-spin spectroscopy
dc.titleHigh-spin states in 212Po above the α-decaying (18+) isomer
dc.typeJournalArticle
dspace.entity.typePublication