Examines Coulomb barrier properties in calcium fusion reactions, highlighting shell effects and velocity dependence.
The energy density functional (EDF) theory has been applied to the study of the influence of the velocity-dependent terms of the Skyrme EDF on the height and position of the Coulomb barrier in the fusion reactions ⁴⁰Ca+^36-62 Ca. The nucleus–nucleus interaction potentials were calculated within the double-folding formalism. It is shown that the enhancement of the velocity-dependent terms significantly improves the description of the Coulomb barrier in the studied reactions. A linear correlation between the height and position of the barrier has been examined. The influence of shell effects on the properties of the Coulomb barrier in the reactions ⁴⁰Ca+^36-62 Ca is revealed.
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Kosarev et al. (2026) studied this question.
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