Momentum transfer collision frequency of O(+)-O

Details Momentum transfer collision frequency of O(+)-O Momentum transfer collision frequency of O(+)-O

Jul 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993georl..20.1343p&link_type=abstract

Geophysical Research Letters (ISSN 0094-8276), vol. 20, no. 13, p. 1343-1346.

Physics

47

Ionic Collisions, Momentum Transfer, Neutral Particles, Oxygen Ions, Planetary Ionospheres, Thermosphere, Earth Ionosphere, Frequency Distribution, Venus Atmosphere

Scientific paper

The interaction of the thermosphere and ionosphere is largely governed by collisions between ions and neutral particles. On Venus and the Earth, O(+) is a dominant ion, and atomic O dominates throughout much of the thermosphere; therefore an accurate O(+)-O cross section is an important prerequisite for understanding the dynamics of planetary upper atmospheres. The cross section and momentum transfer collision frequency are calculated with a quantum mechanical code which includes resonance charge exchange, polarization, and charge-quadrupole effects. Our results agree well with earlier calculations of Stubbe (1968) and Stallcop et al. (1991).

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