Effect of γ softness on the stability of chiral geometry: Spectroscopy of Ag106

P. Joshi, M. P. Carpenter, D. B. Fossan, T. Koike, E. S. Paul, G. Rainovski, K. Starosta, C. Vaman, R. Wadsworth

Research output: Contribution to journalArticlepeer-review

86 Citations (Scopus)

Abstract

A study of the nucleus Ag106 has revealed the presence of two strongly coupled negative-parity rotational bands up to the 19- and 20- states, respectively, which cross each other at spin I∼14. The data suggest that near the crossover point the bands correspond to different shapes, which is different to the behavior expected from a pair of chiral bands. Inspection of the properties of these bands indicates a triaxial and a planar nature of rotation for the two structures. Possible causes for this may be understood in terms of a shape transformation resulting from the large degree of γ softness of Ag106. These data, along with the systematics of the odd-odd structures in the mass 100 region, suggest that γ softness has marked implications for the phenomenon of nuclear chirality.

Original languageEnglish
Article number102501
JournalPhysical review letters
Volume98
Issue number10
DOIs
Publication statusPublished - 2007 Mar 7

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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