Abstract

The ratios of E2 transition rates, i.e., B( E2; I i − I f )/ B( E2; I i − I f ) were computed for gamma to ground state band transitions in 192Os and 192Pt. The reduced transition probabilities for the E2 transitions evaluated on the basis of Interacting Boson Approximation (IBA-I) model and those measured experimentally are compared. The SU(3) symmetry of IBA-I is not strictly obeyed by the nuclei in which T( E2; I i − I f ) transitions are observed, i.e., the symmetry SU(3) is broken. The percentage sum coincidence corrections are applied to marginalise contributions from crossover transitions and the intensities of affected transitions are found to agree fairly well with earlier sum peak method applications to the decay of 192Ir.

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