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Novel chiral-wobbling excitation mode in atomic nuclei

Year: 2026
Type: preprint
Abstract: The properties of high-spin band structures in $^{74}$Br 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 $^{74}$Br 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.
DOI: 10.48550/arxiv.2610.09808
Authors: Qureshie, Kouser, Rouoof, S. P., Sheikh, J. A., Nazir, Nazira, Bhat, G. H., Jehangir, S., Rather, N. A., Guo, R. J., Wang, S. Y., Liu, C., Chen, Q. B., Frauendorf, S.
Institutions: Islamic University of Science and Technology, Islamic University of Science and Technology, Kashmir, University of Kashmir, Department of Higher Education, Shandong University, East China Normal University, University of Notre Dame
Language: English
Open Access status: green
OpenAlex ID: W7221007068
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