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Generalized liquid drop model and fission, fusion, alpha and cluster radioactivity and superheavy nuclei

Abstract : A particular version of the liquid drop model taking into account both the mass and charge asymmetries, the proximity energy, the rotational energy, the shell and pairing energies and the temperature has been developed to describe smoothly the transition between one and two-body shapes in entrance and exit channels of nuclear reactions. In the quasi-molecular shape valley where the proximity energy is optimized, the calculated l-dependent fusion and fission barriers, alpha and cluster radioactivity half-lives as well as actinide half-lives are in good agreement with the available experimental data. In this particular deformation path, double-humped potential barriers begin to appear even macroscopically for heavy nuclear systems due to the influence of the proximity forces and, consequently, quasi-molecular isomeric states can survive in the second minimum of the potential barriers in a large angular momentum range.
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  • HAL Id : in2p3-00836112, version 1

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G. Royer. Generalized liquid drop model and fission, fusion, alpha and cluster radioactivity and superheavy nuclei. 4th International Conference : Current Problems in Nuclear Physics and Atomic Energy, Sep 2012, Kiev, Ukraine. pp.62-69. ⟨in2p3-00836112⟩

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