Abstract
An extended version of the rotation-vibration model (RVM) including different proton and neutron deformations is presented. Due to this extension in which the so-called scissor mode is given as a relative vibration of proton against neutron surface, it is possible to calculate the collective magnetic properties of well-deformed even-even nuclei with satisfactory agreement to experimental data (examples are given for 152Sm, 166Er and 168Er). It is found that a ground-state relative deformation is important for the calculation of magnetic transition probabilities between low-energy collective states. The interaction between proton and neutron surface is treated within a strong-coupling scheme.
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