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Vibrational deactivation of N2 by inelastic collisions with 3He and 4He

✍ Scribed by J.P. Reid; C.J.S.M. Simpson; H.M. Quiney

Publisher: Elsevier Science
Year: 1996
Tongue: English
Weight: 361 KB
Volume: 256
Category: Article
ISSN: 0009-2614
DOI: 10.1016/0009-2614(96)00470-8

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✦ Synopsis

Rate constant calculations for the vibrational deactivation of N2(v = 1) by helium atoms, employing the coupledstates approximation and the potential energy surface of Banks et aI., are presented and compared with experiment in the temperature range 100-300 K. The low impact energy behaviour of the system is also investigated and compared with that observed previously for the CO-He system. The existence of resonances in the vibrational deactivation rate constants at low energies and their influence on low temperature rate constants are discussed. The implications of this work on the vibrational deactivation of N2(v = 1 ) by molecular hydrogen are discussed.

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