Vector analyzing power in the elastic scattering of 6Li by 4He

Abstract The elastic scattering of vector polarized 6 Li by 4 He has been investigated in the energy range of 15.1 to 22.7 MeV. The observed large analyzing powers indicate a strong spin-orbit potential for the 6 Li 4 He interaction. Optical model calculations using a simple L · S -potential without exchange do not reproduce the data.