Abstract
The distorted Fermi-surface model is generalized to study rotating nuclei. The Chandrasekhar-Lebovitz method is used to solve the equations of nuclear hydrodynamics. A complete analysis of possible stationary ellipsoidal configurations is presented showing such phenomena as giant back-bending and shape isomerism. The normal oscillation modes of quadrupole symmetry are analysed: it is shown that besides the modes corresponding to the quadrupole giant resonance (QGR) split due to the centrifugal and Coriolis forces, the model predicts the appearance of two additional low-lying modes. The nonvibrational modes are analysed, and the corresponding inertia parameters are calculated. The electric quadrupole transitions in rotating nuclei are studied; according to the model the E2 transitions follow very closely the yrast-line both in the axial noncollectively-rotating nuclei and in the three-axial nuclei.
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