New Results in the Analysis of the ${}^{16}$O+${}^{28}$Si Elastic Scattering by Modifying the Optical Potential

Abstract

The elastic scattering of the ${}^{16}$O+${}^{28}$Si system has been analyzed with a modified potential within the framework of the optical model over a wide energy range in the laboratory system from 29.0 to 142.5 MeV. This system has been extensively studied over the years and a number of serious problems has remained unsolved: The explanation of the anomalous large angle scattering data; the out-of-phase problem between theoretical predictions and experimental data; the reproduction of the oscillatory structure near the Coulomb barrier; the consistent description of angular distributions together with the excitation functions data are just some of these problems. We propose the use of a modified potential method to explain these problems over this wide energy range. This new method consistently improves the agreement with the experimental data and achieves a major improvement on all the previous Optical model calculations for this system.

arXiv comment19 pages with 8 figures

References in corpus (5)

• A New Coupling Potential for the Scattering of Deformed Light Heavy-Ions
• An Analysis of the ${}^{12}$C+${}^{12}$C Reaction Using a New Type of Coupling Potential
• An Analysis of the ${}^{12}$C+${}^{24}$Mg Reaction Using A New Coupling Potential
• A Global Potential Analysis of the ${}^{16}$O+${}^{28}$Si Reaction Using a New Type of Coupling Potential
• A Systematic Investigation of Light Heavy-Ion Reactions

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