Association of atomic oxygen and airglow excitation mechanisms

Details Association of atomic oxygen and airglow excitation mechanisms Association of atomic oxygen and airglow excitation mechanisms

Mar 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982p%26ss...30..251w&link_type=abstract

Planetary and Space Science, vol. 30, Mar. 1982, p. 251-259.

Computer Science

46

Airglow, Association Reactions, Atomic Excitations, Oxygen Atoms, Reaction Kinetics, Atomic Collisions, Auroras, Electron States, Photodissociation, Temperature Dependence

Scientific paper

A method is presented for the calculation of relative rates of association of oxygen atoms, by energy transfer into the different bound states of molecular oxygen, which takes into account the detailed form of the potential energy curves for the different states. The experimentally unknown 5Pi(g) state is found to account for over 70% of the total association below 200 K, in results for seven bound states of O2 in the 100-600 K temperature range which are compared with laboratory and airglow data. It is also determined that the 5Pi(g) state redissociates at higher temperatures, with its effective association rate variation being primarily responsible for the variation of the total rate of oxygen association with temperature, and it is suggested to be involved in the nocturnal production of two O2 states as well as O(1S) in the airglow.

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