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Production of bound states in processes of AIS excitation by positive particles

A post-collision interaction (PCI) is considered in resonant processes of an excitation of an autoionizing (AI) state by a positive projectile followed by its decay. The general analytical formulae for an amplitude and a cross section are obtained for the case when PCI yields the production of the bound state of the pair: projectile-AI electron. The partial sigma n,l and total sigma n cross sections of the bound-state creation are investigated. The specific examples of the reactions e+He and p+Ar are calculated in the resonant region of energies.