Cluster-folding-model analyses of6Li elastic scattering

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Abstract
The elastic-scattering cross sections of 6Li nuclei from 40Ca and 28Si have been evaluated in a formalism which incorporates an antisymmetrised d- alpha cluster-model 6Li wavefunction. In the cluster-folding approach the 6Li-target interaction potential is described in terms of alpha-target and deuteron-target interaction potentials folded over the projectile structure. The contributions of exchange terms arising due to the antisymmetrisation of the 6Li internal wavefunction have been evaluated. The influence of the asymptotic behaviour of the 6Li wavefunction on its interaction potential has been investigated. The renormalisation factor required for the cluster-folding potentials to fit the elastic-scattering data is found to be close to the d- alpha clustering probability in 6Li.