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Charge Exchange and Fine Structure Excitation in O-H+ Collisions

Published online by Cambridge University Press:  14 August 2015

G. Chambaud ,
J. M. Launay ,
B. Lévy ,
P. Millié ,
E. Roueff  and
F. Tran Minh
G. Chambaud
Affiliation:
∗Groupe de Chimie Quantique ENSJF, 1 rue Maurice Arnoux, 92120 Montrouge, France; ERA 470 du CNRS
J. M. Launay
Affiliation:
+Département d'Astrophysique Fondamentale, Observatoire de Meudon, 92190 Meudon, France; GR 024 du CNRS
B. Lévy
Affiliation:
∗Groupe de Chimie Quantique ENSJF, 1 rue Maurice Arnoux, 92120 Montrouge, France; ERA 470 du CNRS
P. Millié
Affiliation:
∗Groupe de Chimie Quantique ENSJF, 1 rue Maurice Arnoux, 92120 Montrouge, France; ERA 470 du CNRS
E. Roueff
Affiliation:
+Département d'Astrophysique Fondamentale, Observatoire de Meudon, 92190 Meudon, France; GR 024 du CNRS
F. Tran Minh
Affiliation:
∗Groupe de Chimie Quantique ENSJF, 1 rue Maurice Arnoux, 92120 Montrouge, France; ERA 470 du CNRS

Extract

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The charge - transfer reaction between protons and oxygen atoms is critical to the chemistry of the oxygen family; the corresponding rate was evaluated by Field and Steigman (1971) on the assumption of orbiting collisions and statistical probability distribution among the levels. We re-examine this reaction, including the fine-structure excitation process, basing our analysis on a careful description of the different potential curves arising from the O-H+ and 0+-H systems and on the evaluation of the coupling responsible for the transitions.

Type
Research Article
Information
Symposium - International Astronomical Union , Volume 87: Interstellar Molecules , 1980 , pp. 287 - 288
Copyright
Copyright © Reidel 1980 

References

Field, G.B., and Steigman, G.: 1971, Astrophys. J. 166, 59.Google Scholar
Liu, H.P.D., and Verhaegen, G.: 1971, Intern. J. Quantum Chemistry 5, 103.Google Scholar
Mies, F.H.: 1973, Phys. Rev. A 7, 942.Google Scholar