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| Main Authors: | , , , |
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| Format: | Preprint |
| Published: |
2026
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2605.13356 |
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Table of Contents:
- We investigate anomalous large-angle scattering (ALAS) of $α$-particles from $N=Z$ nuclei within the framework of the single-folding model. Differential cross sections are calculated by folding the $α$-nucleon interaction with nuclear density distributions obtained from both relativistic and non-relativistic mean-field models. The folding procedure employs a Gaussian-form $α$-nucleon interaction, with its energy dependence and range constrained by previous theoretical studies. Our results show that ALAS in $sd$-shell nuclei is reasonably well reproduced using the microscopic densities together with an $α$-nucleon interaction characterized by a unified parameter set, in which only two parameters vary with the mass number.