Electromagnetic properties of pseudo-Nilsson bands in 185Os

New data have been obtained for 185Os following the 176Yb(13C,4n)185Os reaction, extendingthe pseudo-Nilsson $\frac{1}{2}^{-},\frac{3}{2}^{-}[\mathaccent126{4}\mathaccent126{1}\mathaccent126{1}]$ doublet structure and the $\frac{7}{2}^{-}[\mathaccent126{4}\mathaccent126{0}\mathaccent126{4}]$ band to significantly higher spins. Gamma-ray branching ratio data have been analysed to obtain extensive B(M1) and B(E2) ratios for intraband and interband transitions. The data are compared with particle-rotor calculations based on the pseudo-Nilsson potential and the Woods-Saxon potential. The results indicate that the pseudo-Nilsson approximation provides a good description of the $\frac{1}{2}^{-}$ , $\frac{3}{2}^{-}[\mathaccent126{4}\mathaccent126{1}\mathaccent126{1}]$ bands up to the first band crossing;the difference in magnitude between the model predictions and data for the $\frac{7}{2}^{-}[\mathaccent126{4}\mathaccent126{0}\mathaccent126{4}]$ band may be attributed to a lower deformation for the higher-K structure.