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High-spin states in Au-191: Evidence for triaxial shape?
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2003 (English)In: Physical Review C. Nuclear Physics, ISSN 0556-2813, E-ISSN 1089-490X, Vol. 68, no 5, 543081-5430814 p.Article in journal (Refereed) Published
Abstract [en]

The level scheme of Au-191 was considerably extended to high spin using gamma spectroscopy with the Eurogam-II array and internal conversion measurements with the Orsay electron spectrometer. Several bands that appear as strongly coupled were associated with low- Omega configurations in Au-191 . Using total routhian surface and cranked shell model calculations it was shown that these bands have a rotation-aligned nature and are most likely generated by the nonaxiallity of the nucleus induced by the odd proton. The predictions for the presence of such bands in Au-191 and in the oblate nuclei in the Pt-Au-Hg region found excellent agreement with the experimental data, as well as the predictions for their alignments and band-crossing frequencies in Au-191 .

Place, publisher, year, edition, pages
2003. Vol. 68, no 5, 543081-5430814 p.
Keyword [en]
even-even, nuclei, coexistence, isotopes, spectra, region, pt-190, clover, bands
National Category
Physical Sciences
URN: urn:nbn:se:kth:diva-23048DOI: 10.1103/PhysRevC.68.054308ISI: 000187578300018OAI: diva2:341746
QC 20100525Available from: 2010-08-10 Created: 2010-08-10 Last updated: 2010-08-23Bibliographically approved

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Wyss, Ramon
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