Abstract

The low lying levels of even nuclei, and the electric quadrupole transition probabilities between certain of these levels, are discussed in terms of the rotation of a nucleus without axial symmetry. The moments of inertia of the nucleus are not restricted to those prescribed by the hydrodynamical model. Rather we use a prescription due to Moszkowski. This contains a parameter p whose value depends on the residual interaction, and which in varying from 0 to 1 causes the moments of inertia to vary from the rigid body values to approximately the hydrodynamical values. We find that to obtain agreement with the experimental data on the transitions it is necessary to have p larger than the values which give the correct values of the energy of the first excited state in the case of nuclei having a small deviation from axial symmetry.

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