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Abstract <p>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 <InlineEquation ID="IEq1"> <EquationSource Format="TEX">\({}^{40}\textrm{Ca}+{}^{36{-}62}\)</EquationSource> <!--BPhysMGU2670022Kosarev-m1--> </InlineEquation>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 <InlineEquation ID="IEq2"> <EquationSource Format="TEX">\({}^{40}\textrm{Ca}+{}^{36{-}62}\)</EquationSource> <!--BPhysMGU2670022Kosarev-m2--> </InlineEquation>Ca is revealed.</p>

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Description of Coulomb Barriers in Fusion Reactions of Calcium Isotopes

  • 期刊论文

  • 发表日期：

    2026年2月1日

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  • M. S. Kosarev,
  • N. N. Arsenyev,
  • A. P. Severyukhin

摘要

Abstract

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 \({}^{40}\textrm{Ca}+{}^{36{-}62}\) 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 \({}^{40}\textrm{Ca}+{}^{36{-}62}\) Ca is revealed.