Breaking of Chiral Symmetry in ¹⁰⁴Rh and Its Neighbouring Nuclei

The possible chiral doublet structures in ¹⁰⁴Rh with the asymmetric configuration πg^-1_9/2 vh_11/2 have been studied in the triaxial particle-rotor model. The spectra, the I - ω relations and the transition probabilitiessupport the existence of the chiral bands in this nucleus. The γ-deformation interval -35°≤ γ ≤ -25°for appearance of chiral doublets in ¹⁰⁴Rh is given. With appropriate moment of inertia and the configuration πg^-1_9/2 vh_11/2, the experimental spectra in ¹⁰⁴Rh, ¹⁰⁶Rh, ¹⁰⁸Rh, ¹¹⁰Ag have been well reproduced by the yrast bands of the triaxial particle-rotor-model calculation.