Vibrational population inversion in CS(A) through the dissociative excitation of CS2 by Ar(3P2)

The CS(A 1Π → X 1Σ+) emission spectra resulting from the energy transfer reaction of Ar(3P2) + CS2 under single collision condition have been obtained. The relative vibrational populations of the nascent product CS(A 1Π, υ′) have been determined by means of spectral simulation. A population inversio...

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Bibliographic Details
Published in:Chemical physics letters 1993-07, Vol.210 (4-6), p.315-321
Main Authors: Xu, Dadong, Li, Xuechu, Shen, Guanlin, Wang, Liming, Chen, Hong, Lou, Nanquan
Format: Article
Language:English
Subjects:
Atomic and molecular collision processes and interactions
Atomic and molecular physics
Exact sciences and technology
Physics
Scattering of atoms, molecules and ions
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Summary:The CS(A 1Π → X 1Σ+) emission spectra resulting from the energy transfer reaction of Ar(3P2) + CS2 under single collision condition have been obtained. The relative vibrational populations of the nascent product CS(A 1Π, υ′) have been determined by means of spectral simulation. A population inversion is found at υ′ = 1. The population data are approximately represented by a distribution predicted from the impulsive half collision model. The dynamics and energetics of CS(A) formation has been discussed in detail.
ISSN:0009-2614
1873-4448
DOI:10.1016/0009-2614(93)87029-3