A 1 1/2 CENTERED EXPANSION FOR ION ATOM COLLISIONS
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A new method for numerically calculating ion atom collisions is presented. It uses time dependent amplitudes for target excitation and ionization but time independent amplitudes for charge transfer. It is efficient in its use of computer time and removes the known difficulty with a single centered expansion for the proton hydrogen system below 60 keV. Copyright 1981 by The Institute of Electrical and Electronics Engineers. Inc.