COULOMB EFFECTS IN THE INTERACTION OF A CHARGED-PARTICLE WITH A 2-FRAGMENT QUANTUM SYSTEM

A direct method to derive the expression for the polarization potentia l between a charged particle and a two-fragment quantum system is deve loped. This method is based on the asymptotic properties of the two-bo dy Coulomb Green function. The explicit form of the polarization poten tial constant is obtained for low-energy deuteron-nucleus scattering a nd for ion-hydrogen scattering. The properties of the polarization pot ential at high collision energies are applied to obtain an expression for the ion-atom scattering total cross section.