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Electron Capture in Atomic Collisions

  • V. H. Ponce
Part of the Nato ASI Series book series (NSSB, volume 271)

Abstract

The collision between two atomic systems is accompanied by electronic transitions, that are produced at finite distances R between the colliding partners. Nevertheless, the calculated cross sections will depend on the atomic interactions at R → ∞, if the long-range nature of the Coulomb forces present is not taken into account by the scheme adopted to describe the collision.

A distorted-wave formalism, which explicitly considers the asymptotic R-1 part of the interatomic potentials, generates the correct boundary conditions for the process, and the resulting transition amplitudes are defined in terms of short-range interactions. First and second-order Born approximations within this scheme, give a reasonable description of total and differential cross sections in the medium and high collision-energy range.

Keywords

Total Cross Section Differential Cross Section Interatomic Potential Channel Interaction Average Distortion 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Plenum Press, New York 1991

Authors and Affiliations

  • V. H. Ponce
    • 1
  1. 1.Dpto. Física de Materiales, Facultad de QuímicaUniversidad del País VascoSan SebastianSpain

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