Rotational structures in [Formula Presented] and [Formula Presented]

D. J. Hartley, M. A. Riley, D. E. Archer, T. B. Brown, J. Döring, R. A. Kaye, F. G. Kondev, T. Petters, J. Pfohl, R. K. Sheline, S. L. Tabor, J. Simpson

Research output: Contribution to journalArticlepeer-review

21 Scopus citations

Abstract

High-spin states of [Formula Presented] were populated via the reactions [Formula Presented] at 35 MeV and [Formula Presented] at 55 MeV. Previously known bands have been extended and one new structure has been identified. The rotational alignment behavior of the bands and band crossing systematics have been analyzed. Experimental [Formula Presented] ratios for the strongly coupled bands have been extracted and compared with theoretical predictions. New results were also obtained for the [Formula Presented] isotone [Formula Presented]. The [411]3/2 and [413]5/2 pseudo-spin partner bands were observed in both nuclei. Experimental [Formula Presented] ratios have been determined in both [Formula Presented] and [Formula Presented]. However, the estimated large [Formula Presented] strengths can be explained without static octupole deformation. The [411]3/2 bands in [Formula Presented] and [Formula Presented] have been found identical up to spin [Formula Presented], which might be explained by changes in deformation.

Original languageEnglish
Pages (from-to)2944-2961
Number of pages18
JournalPhysical Review C - Nuclear Physics
Volume57
Issue number6
DOIs
StatePublished - 1998
Externally publishedYes

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