Momentum transfer collision frequency of O+-O
Abstract
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].
- Publication:
-
Geophysical Research Letters
- Pub Date:
- July 1993
- DOI:
- 10.1029/93GL01597
- Bibcode:
- 1993GeoRL..20.1343P
- Keywords:
-
- Ionic Collisions;
- Momentum Transfer;
- Neutral Particles;
- Oxygen Ions;
- Planetary Ionospheres;
- Thermosphere;
- Earth Ionosphere;
- Frequency Distribution;
- Venus Atmosphere;
- Ionosphere: Ionosphere-atmosphere interactions;
- Meteorology and Atmospheric Dynamics: Thermospheric dynamics;
- Ionosphere: Plasma convection