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| Titel |
Cooling rate of thermal electrons by electron impact excitation of fine structure levels of atomic oxygen |
| VerfasserIn |
A. V. Pavlov, K. A. Berrington |
| Medientyp |
Artikel
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| Sprache |
Englisch
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| ISSN |
0992-7689
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| Digitales Dokument |
URL |
| Erschienen |
In: Annales Geophysicae ; 17, no. 7 ; Nr. 17, no. 7, S.919-924 |
| Datensatznummer |
250013788
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| Publikation (Nr.) |
 copernicus.org/angeo-17-919-1999.pdf |
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| Zusammenfassung |
The atomic oxygen fine structure cooling rate
of thermal electrons based on new effective collision strengths for electron
impact excitation of the ground-state 3P fine-structure levels in
atomic oxygen have been fitted to an analytical expression which is available to
the researcher for quick reference and accurate computer modeling with a minimum
of calculations. We found that at the F region altitudes of the ionosphere the
new cooling rate is much less than the currently used fine structure cooling
rates (up to a factor of 2-4), and this cooling rate is not the dominant
electron cooling process in the F region of the ionosphere at middle latitudes.
Key words. Atmospheric composition and structure
(thermosphere · composition and density) · Ionosphere (mid-latitude
ionosphere; modelling and forecasting). |
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