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Momentum transfer collision frequency of O(+)-O (1993)

Hoegy, Walter R. ; Omidvar, Kazem ; Pesnell, W. D.

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Publication Date: 2011-08-24

Description: 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).

Keywords: LUNAR AND PLANETARY EXPLORATION

Type: Geophysical Research Letters (ISSN 0094-8276); 20; 13; p. 1343-1346.

Format: text

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