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1994 (English)In: Physical Review C. Nuclear Physics, ISSN 0556-2813, E-ISSN 1089-490X, Vol. 50, no 4, 1845-1850 p.Article in journal (Refereed) PublishedText
Abstract [en]

Two new high-lying level sequences of negative parity have been identified in the odd-proton nucleus Rb-81 by in-beam gamma-ray spectroscopy using the reactions Br-79(alpha, 2n) at 27 MeV and Zn-68(F-19, alpha2n) at 72 MeV. One sequence, dominated by M1 transitions, is interpreted as a three-quasiparticle band predominantly containing a neutron in the p1/2, p3/2, or f5/2 subshell coupled to g9/2 proton and g9/2 neutron excitations. The other new level sequence forms the three-quasiparticle extension of the unfavored negative-parity band, but the states decay also by E1 transitions. The signature splitting points to a configuration where an aligned g9/2 proton pair is involved.

Place, publisher, year, edition, pages
1994. Vol. 50, no 4, 1845-1850 p.
National Category
Subatomic Physics
URN: urn:nbn:se:kth:diva-178675DOI: 10.1103/PhysRevC.50.1845ISI: A1994PM66600013OAI: diva2:878231

NR 2015

Available from: 2015-12-08 Created: 2015-12-08 Last updated: 2015-12-16Bibliographically approved

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Cederwall, Bo
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