Fusion and fission barrier heights and positions within the Generalized Liquid Drop Model

The fusion and fission barriers have been determined with a Generalized Liquid Drop Model taking into account the proximity forces acting between surfaces in regard, the charge and mass asymmetry, the shell and pairing effects and quasimolecular shapes. The heights and positions of these barriers ha...

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Bibliographic Details
Published in:Nuclear physics. A 2021-06, Vol.1010, p.122191, Article 122191
Main Authors: Royer, G., Guillot, M., Monard, J.
Format: Article
Language:English
Subjects:
Fission
Fusion
Generalized Liquid Drop Model
Potential barriers
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Summary:The fusion and fission barriers have been determined with a Generalized Liquid Drop Model taking into account the proximity forces acting between surfaces in regard, the charge and mass asymmetry, the shell and pairing effects and quasimolecular shapes. The heights and positions of these barriers have been compared with the empirical results deduced from the experimental data. There is an overall agreement for the fusion barrier heights for most of the reactions. These fusion barrier heights may also be calculated from a proposed analytic formula or other formulas. The empirical fission barrier heights lie always between the values given by the GLDM and neglecting the microscopic effects in the fragments and the values determined in including the deformation and shell and pairing effects of the fragments.
ISSN:0375-9474
DOI:10.1016/j.nuclphysa.2021.122191