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Macroscopic and Microscopic Perspectives of Termolecular Association of Atomic Reactants in a Gas

  • M. Raymond Flannery
Part of the Physics of Atoms and Molecules book series (PAMO)

Abstract

The sequence normally invoked to explain the termolecular association process
$$\text{A}\,\text{+}\,\text{B}\,\text{+}\,\text{M}\,\to \,\text{AB}\,\text{+}\,\text{M}$$
(1.1)
where the associating pair (A-B) may be a positive ion-negative ion or a positive ion-neutral pair, is the energy-transfer sequence characterized in macroscopic terms as wherein intermediate complexes AB* formed with internal separations R≤RT at rate k1 (cm3 s−1) can decompose naturally at frequency k−1 (s−1) or can be stabilized at rate ks (cm3 s−1) via energy-changing collisions with the atomic or molecular species M of a thermal gas. The inverse of this sequence is known as the Lindemann mechanism (cf. Forst 1973) for collisional dissociation.

Keywords

Dissociation Limit Stabilization Probability Centrifugal Barrier Diffusional Drift Dissociation Threshold 
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 1987

Authors and Affiliations

  • M. Raymond Flannery
    • 1
  1. 1.School of PhysicsGeorgia Institute of TechnologyAtlantaUSA

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