Dynamic Deformation Theory and Multiphonon Vibrational Bands in 154Gd

Dynamic deformation theory based on a pairing plus quadrupole model (DPPQ model) is extended to 25 levels belonging to various multi phonon vibrational bands in 154Gd. Although the calculated excited band energies are too high by factors of 1�4-1�7, there is generally reasonable agreement with the experimental energies, B(E2) values, magnetic moments, E2-Ml mixing ratios and EO moments. Many new values are predicted. A brief comparison with some results derived from a new version of dynamic deformation theory, the so-called DNSB model, is also given.