Abstract
A folding potential for the elastic $\ensuremath{\alpha}+^{20}\mathrm{Ne}$ scattering is constructed based on the $\ensuremath{\alpha}+^{16}\mathrm{O}$ structure model of the $^{20}\mathrm{Ne}$ nucleus. The elastic scattering angular distributions of the $\ensuremath{\alpha}+^{20}\mathrm{Ne}$ system at incident energies ${E}_{\ensuremath{\alpha}}=31.1$, 54.1, and 104.0 MeV have been calculated by using the folding potential. The experimental angular distributions and the anomalous large angle scattering (ALAS) features can be satisfactorily described. The anomaly of the $\ensuremath{\alpha}+^{20}\mathrm{Ne}$ system is clearly reconfirmed in the present folding model analysis and should be further systematically investigated.
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