Core-coupled states and split proton-neutron quasiparticle multiplets in Ag122-126
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
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.
Nuclear-Data Sheets, Shell Structure, Drip Lines, R-Process, System
IdentifiersURN: urn:nbn:se:kth:diva-120288DOI: 10.1103/PhysRevC.87.034308ISI: 000315735000005ScopusID: 2-s2.0-84875153717OAI: oai:DiVA.org:kth-120288DiVA: diva2:614856
FunderSwedish Research Council
QC 201304082013-04-082013-04-042013-04-08Bibliographically approved