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Clustering aspects of nuclei with octupole and superdeformation
Authors:Sven Åberg  Lars-Ove Jönsson
Affiliation:1. Department of Mathematical Physics, Lund Institute of Technology, PO Box 118, S-221 00, Lund, Sweden
Abstract:Extreme nuclear shapes are considered from the clustering point of view. General aspects of light nuclei which possess very exotic, elongated shapes (“α-strings”) are given. The relation between superdeformation and di-molecules is considered, and it is shown that nuclear di-molecules have the same magic numbers and orbits filled as the ellipsoidal superdeformations for light nuclei, while for heavier nuclei they are expected in different mass-regions. The structure of possible octupole-unstable 3∶1 nuclear shapes (“hyperdeformations”) is discussed. Indications and consequences of a four-fold symmetry of the nuclear hamiltonian are briefly discussed.
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