3-BODY APPROACH TO THE ATOMIC REACTIONS OF ELECTRON-TRANSFER .2. CALCULATION OF TOTAL CROSS-SECTIONS

For pt.I see ibid., vol.23, p.2309 (1990). The previous paper proposed an approach to the calculation of electron transfer reactions in ion-atomic collisions based on the Alt-Grassberger-Sandhas three-body equations for the purely Coulomb interaction. In the present paper the equations derived in I are solved numerically for concrete charge-exchange reactions. The effective potential of the problem is taken in its lowest order approximation which corresponds to the ’pole’ electron transfer amplitude. The total and partial cross sections and a few other characteristics of the reactions H++H to H+H+, H++He(1s2) to H+He+(1s), He2++H to He++H+ and Li3++H to Li2++H+ are calculated in a wide range of collision energies from 0.1-100 keV amu−1. © 1990 IOP publishing Ltd.