Charge transfer of doubly charged oxygen ions in helium

Details Charge transfer of doubly charged oxygen ions in helium Charge transfer of doubly charged oxygen ions in helium

Nov 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980jgr....85.6047d&link_type=abstract

Journal of Geophysical Research, vol. 85, Nov. 1, 1980, p. 6047, 6048. NSF-supported research.

Astronomy and Astrophysics

Astrophysics

11

Atmospheric Chemistry, Charge Transfer, Helium Atoms, Ionic Reactions, Ionospheric Composition, Oxygen Ions, Earth Atmosphere, Mars Atmosphere, Planetary Ionospheres, Potential Energy, Reaction Kinetics, Venus Atmosphere

Scientific paper

The charge transfer reaction O(2+) + He to O(+) + He(+) is a potentially important mechanism for the destruction of O(2+) ions in the terrestrial ionosphere and an important source of He(+) ions and metastable O(+) ions. The reaction may be relevant also in the ion chemistry of the upper atmospheres of Mars and Venus. The theoretical analysis of this reaction, carried out in the present paper, suggests that at atmospheric temperatures near 1000 K, the rate coefficient will not exceed 5 x 10 to the -13th cu cm per sec. At temperatures near 10,000 K, characteristic of astrophysical nebula, its value will be between 2 x 10 to the -11th and 1 x 10 to the -10th cu cm/sec.

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