Abstract
New non-perturbative numerical calculations have been performed to study atomic processes in relativistic heavy-ion collisions. The propagation of the electron wave function is treated entirely in momentum space. Our method has been applied for Au79+ and U92+ impinging on U91+ at 0.24-10 GeV/u. Probabilities have been obtained for bound-free pair production, charge transfer, ionization and excitation. For bound-free pair production at small impact parameters, our results confirm the breakdown of perturbation theory but the increase is much smaller than that reported by other non-perturbative methods.
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