Thermal electron quenching of N(2D) - Consequences for the ionospheric photoelectron flux and the thermal electron temperature

Details Thermal electron quenching of N(2D) - Consequences for the ionospheric photoelectron flux and the thermal electron temperature Thermal electron quenching of N(2D) - Consequences for the ionospheric photoelectron flux and the thermal electron temperature

Aug 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986p%26ss...34..689r&link_type=abstract

Planetary and Space Science (ISSN 0032-0633), vol. 34, Aug. 1986, p. 689-694.

Physics

Atomic Physics

18

Atmospheric Chemistry, Electron Energy, Hot Electrons, Ionospheric Electron Density, Nitrogen Atoms, Quenching (Atomic Physics), Heating, Photoelectrons

Scientific paper

This paper examines the effects of quenching of N(2D) by thermal electrons on the ionospheric photoelectron flux and on the thermal electron heating rate. It is shown that the 2.5 eV electrons produced by electron quenching of N(2D) can account for the differences between theoretical and experimental 0-3 eV photoelectron fluxes above 200 km altitude. In addition, the heat transferred to the thermal electron gas amounts to 70 percent of the photoelectron local heating rate at 250 km altitude. The effect of the extra heating is to increase the electron temperature by approximately 200 K at 250 km.

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