High-spin states were studied in ${}^{181,183}\mathrm{Au}$ and resulted in the identification of several new prolate rotational bands based on $\pi i_{13/2},$ $\pi h_{9/2},$ $\pi f_{7/2},$ and $\pi h_{11/2}$ configurations. The alignment and moment of inertia features of the intruder bands are compared with ground-state bands in Pt nuclei. From these features, it can be concluded that a strongly interacting $(\pi h_{9/2}{)}^2$ alignment is occurring in the $\pi i_{13/2}$ bands in Au and the ground-state bands in Pt. In addition, bandhead energies and deformation parameters are calculated for deformed configurations in the framework of a microscopic-macroscopic shell-correction model. These calculations are compared with experimental values in Re and Ir, as well as, Au isotopes. Interaction properties between known $\pi h_{9/2}$ and $\pi f_{7/2}$ rotational bands are also discussed and compared with results from a cranked-shell model. Experimental $B\left(M1\mathrm{}\right)/B\left(E2\mathrm{}\right)\mathrm{}$ ratios between these bands are compared with results from a particle-rotor calculation.

• Received 19 October 1998

DOI:https://doi.org/10.1103/PhysRevC.59.2009