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Sets of rotation-aligned bands indicating nonaxiality in Au-190
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2004 (English)In: Physical Review C. Nuclear Physics, ISSN 0556-2813, E-ISSN 1089-490X, Vol. 69, no 4, 044320- p.Article in journal (Refereed) Published
Abstract [en]

The level scheme of Au-190 was extended up to high spin using gamma spectroscopy with the Eurogam-II array and internal conversion measurements with the electron- gamma spectrometer of Orsay. Several sets of rotation-aligned bands were found and associated with high- j, low- K configurations. According to the total Routhian surface and cranked shell model calculations these bands are caused by the nonaxiality of the nuclear deformation (gammaless than or equal to-70degrees). Furthermore, very good agreement was obtained between the experimental data and the theoretical predictions for the properties of these bands, such as alignments, band-crossing frequencies, and signature inversion, thus supporting the suggested nonaxial shapes.

Place, publisher, year, edition, pages
2004. Vol. 69, no 4, 044320- p.
Keyword [en]
collective model description, high-spin states, odd-a nuclei, shape coexistence, even-even, isotopes, spectra, region, clover, pt-190
National Category
Physical Sciences
URN: urn:nbn:se:kth:diva-23414DOI: 10.1103/PhysRevC.69.044320ISI: 000221427500034ScopusID: 2-s2.0-3042545130OAI: diva2:342112
QC 20100525Available from: 2010-08-10 Created: 2010-08-10 Last updated: 2011-10-26Bibliographically approved

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