Abstract
The 103Ag nucleus has been studied using the 103Rh(α, 4nγ) 103Ag and 103Rh( 3He, 3nγ) 103Ag reactions. A set of standard in-beam measurements involving relative excitation function measurements of γ-rays, γ- γ- Δt coincidences, conversion electron measurements and angular distribution and linear polarization measurements of emitted γ-rays have been performed. Excited states with spin values up to 27 2 are populated in this nucleus. Among these excitations a positive-parity band built on the J π = 7 2 + or 9 2 + state can be distinguished. This band has similar properties as the band observed in 105Ag. The experimental data on the band in 103, 105Ag are compared to the prediction of the Nilsson model with Coriolis coupling at intermediate deformation ε = 0.10−0.15. Energy levels of the positive-parity bands are reproduced satisfactorily by the calculations assuming either a K = 7 2 + [413] or K = 9 2 + [404] band head. However, electromagnetic properties of the levels, branching and mixing ratios, are better reproduced when assuming the K = 7 2 + band head. Attenuation of the Coriolis interaction was introduced in order to improve the fit of the calculated energies of the levels to the experimental values.
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