The role of EMIC waves in scattering electrons

Details The role of EMIC waves in scattering electrons The role of EMIC waves in scattering electrons

Dec 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004agufmsm23a0497w&link_type=abstract

American Geophysical Union, Fall Meeting 2004, abstract #SM23A-0497

Physics

7827 Kinetic And Mhd Theory, 7867 Wave/Particle Interactions, 7871 Waves And Instabilities, 2716 Energetic Particles, Precipitating, 2772 Plasma Waves And Instabilities

Scientific paper

The origin of killer electrons, those with energies greater than 1 MeV, in the Earth's inner magnetosphere is one of the main problems in magnetospheric research. It is theorized that these electrons are created by stochastic acceleration due to whistler waves with pitch angle scattering by electromagnetic ion-cyclotron waves (EMIC). Two-temperature bi-Maxwellian and ion-ring distributions are considered. The particle anisotropy thresholds for destabilizing the electromagnetic ion cyclotron mode are investigated. For the ring distribution, we will determine the condition of instability, the associated parallel wavenumber, and the width of the unstable parallel wavenumber spectrum.

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