Abstract

To evaluate single and double K-shell inclusive charge transfer probabilities in ion-atom collisions the authors solve the time-dependent Dirac equation. By expanding the time-dependent wavefunction in a set of molecular basis states the time-dependent equation reduces to a set of coupled-channel equations. The energy eigenvalues and matrix elements are taken from self-consistent relativistic molecular many-electron Dirac-Fock-Slater calculations. They present many-electron inclusive probabilities for different final configurations as a function of impact parameter for single and double K-shell vacancy production in collisions of bare S on Ar.

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