Physics – Plasma Physics
Scientific paper
Dec 1995
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995jgr...10023749b&link_type=abstract
Journal of Geophysical Research, Volume 100, Issue A12, p. 23749-23754
Physics
Plasma Physics
Ionosphere: Active Experiments, Space Plasma Physics: Wave/Particle Interactions, Space Plasma Physics: Ionization Processes, Space Plasma Physics: Turbulence
Scientific paper
Electrons with energies up to 600 eV are observed with the retarding potential analyzer (RPA) instrument aboard the Several Compatible Experiments (SCEX) III sounding rocket. The electrons are concomitant with high-energy (2-6 keV) electron gun injections and also evidence themselves by luminosity observed with 3805 Å and 3914 Å photometers. Both the collected electron flux and luminosity measurements are strongly nonlinear with gun injection current. For a typical event, the electron distribution is similar to laboratory beam-plasma discharge (BPD) distributions reported by Sharp (1982) and when backed by HF electric field observations (Goerke et al., 1992; Llobet et al., 1985), the BPD mechanism becomes a most likely explanation. Strong turbulence theories of BPD predict a power law tail in the electron distribution, and we compare our spectral index with some previous observations.
Anderson Hugh R.
Bale Stuart D.
Kellogg Paul J.
Monson Steven J.
Potter D. W.
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