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# Title: Folding model study of the elastic $α+ α$ scattering at low energies

Abstract: The folding model analysis of the elastic $\alpha + \alpha$ scattering at the incident energies below the reaction threshold of 34.7 MeV (in the lab system) has been done using the well-tested density dependent versions of the M3Y interaction and realistic choices for the $^4$He density. Because the absorption is negligible at the energies below the reaction threshold, we were able to probe the $\alpha + \alpha$ optical potential at low energies quite unambiguously and found that the $\alpha + \alpha$ overlap density used to construct the density dependence of the M3Y interaction is strongly distorted by the Pauli blocking. This result gives possible explanation of a long-standing inconsistency of the double-folding model in its study of the elastic $\alpha + \alpha$ and $\alpha$-nucleus scattering at low energies using the same realistic density dependent M3Y interaction.
 Subjects: Nuclear Theory (nucl-th) Journal reference: Communications in Physics, Vol. 23, No. 4 (2013), pp. 339-365 Cite as: arXiv:1403.3205 [nucl-th] (or arXiv:1403.3205v1 [nucl-th] for this version)

## Submission history

From: Dao Tien Khoa [view email]
[v1] Thu, 13 Mar 2014 09:08:01 GMT (578kb)

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