Novel chiral-wobbling excitation mode in atomic nuclei
Kouser Qureshie, S. P. Rouoof, J. A. Sheikh, Nazira Nazir, G. H. Bhat, S. Jehangir, N. A. Rather, R. J. Guo, S. Y. Wang, C. Liu, Q. B. Chen, S. Frauendorf
Abstract
The properties of high-spin band structures in 74Br nucleus are investigated using the triaxial projected shell model (TPSM) and particle triaxial rotor (PTR) approaches. It has already been demonstrated that lowest three bands observed in 74Br have a characteristic feature of a chiral-wobbler. The first excited band is the chiral partner of the yrast band and the second excited band is the wobbling band based on the yrast state. We have analyzed the third excited band using the TPSM and PTR calculated quantities, and a unique character of this band is revealed. It is predicted that this band is the chiral partner of the second excited band, and is also a wobbling mode based on the first excited band.
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