Abstract
High-spin states in $^{84}\mathrm{Rb}$ have been studied using the $^{76}\mathrm{Ge}(^{11}\mathrm{B}$, $3n$) reaction at a beam energy of 36 MeV. A pair of nearly degenerate positive-parity doublet bands have been extended and interpreted as candidate chiral doublet bands based on their experimental properties. This interpretation is supported by the triaxial relativistic mean-field theory and the triaxial particle-rotor model calculations. The systematic comparison of the candidate chiral bands in the $A\ensuremath{\approx}80$ mass region are also discussed. This work is the first observation of candidate chiral doublet bands in $Z=37$ Rb isotopes and extends the boundaries of the chiral nuclei in the $A\ensuremath{\approx}80$ mass region.
Published Version
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