Abstract
Using a Woods-Saxon potential, equilibrium deformations are obtained by the Strutinsky shell-correction method. Deformation parameters β 2 and β 4 of the ground state and the shape isomeric state are extracted for all actinide nuclei. It is shown that the connection of β 2 and β 4 with the multipole moments Q 2 and tQ 4 is not so trivial as sometimes assumed in the literature. The moments of inertia — taken at the same deformations — are evaluated within the cranking model. Their dependence on deformation and temperature (excitation energy) is discussed; the rigid body values are demonstrated to be reached both for large deformations and large temperatures. Where available, experimental data are compared; the agreement is generally very good.
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