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Cross sections and rate constants for the vibrational relaxation of D2 (υ = 1,j = 0) in collisions with 4He

✍ Scribed by Millard H. Alexander

Publisher
Elsevier Science
Year
1976
Tongue
English
Weight
525 KB
Volume
40
Category
Article
ISSN
0009-2614

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✦ Synopsis

Fully converged quantum cross sections for 4He-D2 (u= l,i=O) vibrational reliaxation were determined using the coupled-states method and a modikied version of the Gordon-Secrcst surface. First-order forbidden rotational transitions play a si@fkant role, comparable to that observed previously for the He-Hi system. At 60 R the u = 1, j = 0 level of D2 is predicted to relax ~4 times slower than the corresponding level of Hz. This difference decrexes with increasing temperature.

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