Probing 6He induced reactions with nuclear level density
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Abstract
In this study, both elastic and inelastic cross sections of the light exotic nucleus He-6 on C-12 and He-4 at energies of 18 MeV, 30 MeV, 3.8 MeV, 4.2 MeV, 4.7 MeV, 5.1 MeV, 5.4 MeV, and 5.8 MeV, as well as the quasi-elastic cross section of He-6 on Be-9 at 16.2 MeV and 21.3 MeV, are calculated using the coupled-channel method. The deformation parameters of the first excited states of He-6, Be-9 and C-12 are obtained through the collective nuclear level density. The results align well with the available experimental data. It is demonstrated that the collective nuclear level density is essential to reduce the uncertainty between the deformation parameter and the optical model parameters. Furthermore, it is shown that the first excited state of both the projectile and the target must be considered in calculations He-6 + Be-9 scattering at increasing energies.