THE ROLE OF BREAKUP IN NEAR-BARRIER LI-6-208 SCATTERING(PB)

Continuum-discretized-coupled-channels (CDCC) calculations for the Li- 6+(208)pb system have been performed at several near-barrier energies using a cluster-folding (CF) model description of the Li-6-target inte ractions. Good agreement with the elastic scattering angular distribut ions is obtained without the need or re-normalization of the CF potent ial. Decomposition of the calculated Li-6 sequential breakup cross sec tion into Coulomb and nuclear components shows that the forward angle cross section is dominated by the Coulomb amplitude at near-barrier en ergies.