DISSOCIATIVE IONIZATION OF H(2) BY FAST FULLY STRIPPED IONS

The ratios of the cross sections for the formation of H+ and H2+ from H-2 by the impact of fast fully stripped ions (C6+, O8+ and S16+) have been measured at various incident projectile energies in order to und erstand the projectile charge and energy dependence on two-electron pr ocesses. The measured values have been corrected for the small contrib ution from dissociative ionization through single electron process. A comparison of the existing low charge projectile data with the present measurements tends to show a universal scaling behaviour for projecti le charge and velocity.