Evidence for triaxial shapes in Pt nuclei |
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Authors: | T.L. Khoo F.M. Bernthal C.L. Dors M. Piiparinen S. Saha P.J. Daly J. Meyer-Ter-Vehn |
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Affiliation: | Cyclotron Laboratory and Departments of Physics and Chemistry, Michigan State University, East Lansing, Michigan 48824, USA;Chemistry Department, Purdue University, West Lafayette, Indiana 47907, USA;Lawrence Berkeley Laboratory, University of California, Berkeley, California 94720, USA |
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Abstract: | Positive parity levels in 191Pt obtained from (α, xnγ) reactions and β-decay are presented as a first example of a rather complete level family. The spectrum confirms triaxial shapes found before from and proton structures in this mass region. In addition to the usual decoupled yrast band, a second ΔI = 2 band within the family, built on a low-lying state, is observed in agreement with theory. |
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