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Core-coupled states and split proton-neutron quasiparticle multiplets in Ag122-126
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2013 (English)In: Physical Review C. Nuclear Physics, ISSN 0556-2813, E-ISSN 1089-490X, Vol. 87, no 3, 034308- p.Article in journal (Refereed) Published
Abstract [en]

Neutron-rich silver isotopes were populated in the fragmentation of a Xe-136 beam and the relativistic fission of U-238. The fragments were mass analyzed with the GSI Fragment Separator and subsequently implanted into a passive stopper. Isomeric transitions were detected by 105 high-purity germanium detectors. Eight isomeric states were observed in Ag122-126 nuclei. The level schemes of Ag-122,Ag-123,Ag-125 were revised and extended with isomeric transitions being observed for the first time. The excited states in the odd-mass silver isotopes are interpreted as core-coupled states. The isomeric states in the even-mass silver isotopes are discussed in the framework of the proton-neutron split multiplets. The results of shell-model calculations, performed for the most neutron-rich silver nuclei are compared to the experimental data.

Place, publisher, year, edition, pages
2013. Vol. 87, no 3, 034308- p.
Keyword [en]
Nuclear-Data Sheets, Shell Structure, Drip Lines, R-Process, System
National Category
Physical Sciences
URN: urn:nbn:se:kth:diva-120288DOI: 10.1103/PhysRevC.87.034308ISI: 000315735000005ScopusID: 2-s2.0-84875153717OAI: diva2:614856
Swedish Research Council

QC 20130408

Available from: 2013-04-08 Created: 2013-04-04 Last updated: 2013-04-08Bibliographically approved

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Andgren, KarinCederwall, BoHadinia, BaharakKhaplanov, Anton
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