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1992 (English)In: Nuclear Physics A, ISSN 0375-9474, E-ISSN 1873-1554, Vol. 550, no 2, 365-390 p.Article in journal (Refereed) PublishedText
Abstract [en]

Rotational band structures have been observed in the odd-A Cs isotopes 119Cs, 121Cs and 123Cs. The previously known bands have been extended to higher spin values and several new bands have been established. Alignments of both h11/2 protons and neutrons are seen. Of special interest are the alignment frequencies in the (tentative) [422]3/2+ and [404]9/2+ bands which indicate a configuration-dependent proton pairing. Furthermore, the variation of the interaction strength at the first band crossing in the h11/2 bands does not follow the standard cranked-shell-model predictions. This feature is in line with previous systematic observations of alignment processes in high-j intruder bands, and might infer an additional band mixing due to a neutron-proton interaction.(~)[GRAPHICS]

Place, publisher, year, edition, pages
1992. Vol. 550, no 2, 365-390 p.
National Category
Subatomic Physics
URN: urn:nbn:se:kth:diva-178701DOI: 10.1016/0375-9474(92)90687-FISI: A1992KD11100009OAI: diva2:878181

NR 2015

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

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