Testing of various parametrizations of effective nucleon-nucleon   interaction in elastic and inelastic scattering of polarized protons from   $^{12}$C
  The parametrization schemes of the effective nucleon-nucleon interaction proposed by Geramb and by Nakayama and Love are compared in their ability to reproduce the inelastic scattering observables of polarized protons from $^{12}$C with the excitation of the $1^+$ level with T=1. The off-shell behavior of the effective $t$ matrix is shown to be important. Density dependence of the effective interaction is also analyzed. 
M. S. Onegin, A.V. Plavko