The Quasi-Molecular Model in Heavy Particle Collisions

  • M. Barat
Part of the NATO Advanced Study Institutes Series book series (SPEPO, volume 18)


In atom-atom collisions, heavy incident particles can strongly perturb the electronic edifice and are therefore not a probe as “clean” as are photons and electrons, to study electron correlations in an isolated system (atom, ion, molecule). On the other hand, after the”hurricane” caused by such violent collisions, the electronic clouds are left in very “exotic” states which are not commonly encountered with lighter perturbers: multiple excited and/or ionized states will occur. Furthermore, when the electronic clouds strongly interpenetrate the excitation process itself involve the interaction of several electrons of each partner. It is therefore no need to stress the importance of eletron corelation in such processes.


Internuclear Distance Potential Energy Curve Argon Atom Correlation Diagram Asymmetric System 
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Copyright information

© Plenum Press, New York 1976

Authors and Affiliations

  • M. Barat
    • 1
  1. 1.Laboratoire des Collisions AtomiquesUniversité Paris-SudOrsayFrance

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