208Pb(7Li,6Li)209Pb reaction at 33 MeV and its effect on elastic scattering

Abstract Angular distributions of the differential cross section and the second-rank tensor analysing power T 20 have been measured for the one-neutron transfer reaction induced by polarized 7 Li ions on 208 Pb at 33 MeV leading to five states in 209 Pb. The experimental data were analysed simultaneously with data for elastic and inelastic scattering of 7 Li by means of CCBA and CRC calculations. A strong effect of the transfer channels on the elastic scattering was found. Coupling to the transfer channels cancelled out the effect of projectile excitation on the elastic-scattering cross section but was unable to account fully for the renormalization factor of the double-folding potential found previously in an optical-model analysis of 7 Li+ 208 Pb elastic scattering. The second-rank tensor analysing power for the elastic scattering was strongly affected by the transfer channels.