Semiclassical interpretation of the gross-shell structure in deformed nuclei |
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Authors: | V M Strutinsky A G Magner S R Ofengenden T Døssing |
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Institution: | 1. Institute for Nuclear Research, Kiev, USSR 2. Niels Bohr Institute, Copenhagen, Denmark
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Abstract: | An analysis of the classical closed orbits in the infinitely deep elongated ellipsoidal well is given with respect to their relevance to the gross-shell structure of the single-particle spectra in deformed nuclei. It is shown that the deformed-shape gross-shells responsible for the ground state deformations, as well as those responsible for the fission intermediate states, find a reasonable explanation in terms of the semiclassical three-dimensional quantization involving the planar orbits in the axis-of-symmetry plane and the simplest three-dimensional orbits which appear at large distortions. The former are found important for the ground state shapes. The results are also compared with the harmonic oscillator model. |
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