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Strongly coupled bands in the neutron-deficient nucleus Re-167
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2003 (English)In: Physical Review C. Nuclear Physics, ISSN 0556-2813, E-ISSN 1089-490X, Vol. 68, no 1Article in journal (Refereed) Published
Abstract [en]

Excited states in the neutron-deficient nucleus Re-167 have been observed in a recoil-tagging experiment performed with the Jurosphere gamma-ray spectrometer in conjunction with the RITU gas-filled recoil separator. The low-spin yrast band, based on a proton h(11/2) orbital, comprises a strongly coupled band and exhibits significant signature splitting, indicative of a triaxial shape with gamma<0degrees. At higher spin the rotational alignment of a pair of i(13/2) neutrons induces a transition to an axial prolate shape resulting in a drastic reduction of the signature splitting. Two other strongly coupled bands have been established and their structures are discussed in terms of quasiparticle configurations.

Place, publisher, year, edition, pages
American Physical Society , 2003. Vol. 68, no 1
Keyword [en]
gamma-ray spectroscopy, shape coexistence, rotational bands, excited-states, isotopes, decay, model, line
National Category
Physical Sciences
URN: urn:nbn:se:kth:diva-22728DOI: 10.1103/PhysRevC.68.014303ISI: 000184616100009OAI: diva2:341426

QC 20100525

Available from: 2010-08-10 Created: 2010-08-10 Last updated: 2015-04-29Bibliographically approved

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Bäck, TorbjörnCederwall, Bo
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