Dynamics aspect of subbarrier fusion reaction in light heavy ion systems

TL;DR

This study investigates the subbarrier fusion reaction of 7Li + 12C using antisymmetrized molecular dynamics simulations combined with GEMINI, showing good agreement with experimental data near Coulomb barrier energies.

Contribution

It applies AMD + GEMINI modeling to analyze subbarrier fusion in light heavy ion systems, highlighting the deformation and cluster structure effects of 7Li.

Findings

Fusion cross sections match experimental data above 3 MeV

Deformation and cluster structure influence fusion outcomes

Residue channel cross sections are consistent with experiments

Abstract

Subbarrier fusion of the 7Li + 12C reaction is studied using an antisymmetrized molecular dynamics model (AMD) with an after burner, GEMINI. In AMD, 7Li shows an \alpha + t structure at its ground state and it is significantly deformed. Simulations are made near the Coulomb barrier energies, i.e., E_{cm} = 3 - 8 MeV. The total fusion cross section of the AMD + GEMINI calculations as a function of incident energy is compared to the experimental results and both are in good agreement at E_{cm} > 3 MeV. The cross section for the different residue channels of the AMD + GEMINI at E_{cm} = 5 MeV is also compared to the experimental results.