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Rotating hyperdeformed quasi-molecular states formed in capture of light nuclei and in collision of very heavy ions

Abstract : Within a rotational liquid drop model including the nuclear proximity energy the l-dependent potential barriers governing the capture reactions of light nuclei and of very heavy ions have been determined. Rotating quasi-molecular hyperdeformed states appear at high angular momenta. The energy range of these very deformed high spin states is given for light systems. The same approach explains the observation of ternary cluster decay from56Ni and 60Zn through hyperdeformed shapes at angular momenta around 45 . The apparently observed superheavy nuclear systems in the U+Ni and U+Ge reactions at high excitation energy might correspond to these rotating isomeric states formed at very high angular momenta even though the shell effects vanish.
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  • HAL Id : in2p3-00824243, version 1

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G. Royer, E. Zarrouk, J. Gaudillot, C. Beck, W. von Oertzen. Rotating hyperdeformed quasi-molecular states formed in capture of light nuclei and in collision of very heavy ions. 13th International Conference on Nuclear Reaction Mechanisms, Jun 2012, Varenna, Italy. pp.309. ⟨in2p3-00824243⟩

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