Rainbow effect and dissociative processes in Na+-N2, Na+-CO and Na+-CO2collisions
- 1 January 1987
- journal article
- Published by IOP Publishing in Journal of Physics B: Atomic and Molecular Physics
- Vol. 20 (2) , 305-315
- https://doi.org/10.1088/0022-3700/20/2/014
Abstract
Dissociative processes in Na+-N2, Na+-CO, and Na+-CO2 collisions have been studied by measuring the time-of-flight spectra of the fragment atoms originating from dissociation. The peak positions of the fragment atoms N, C and O are in good agreement with those given by the spectator model and classical trajectory calculations. The atom peaks measured at small scattering angles ( theta approximately=10 degrees ) have an asymmetric form. The experimental results at small laboratory (lab) angles can be related to the rotational rainbow effect at large centre-of-mass angles. At large lab angles ( theta approximately=40 degrees ), on the other hand, both rotational and vibrational dissociation contribute almost equally to the spectra and the atom peaks show a nearly symmetric form.Keywords
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