Physics
Scientific paper
Feb 1987
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987georl..14...99c&link_type=abstract
Geophysical Research Letters (ISSN 0094-8276), vol. 14, Feb. 1987, p. 99-102.
Physics
18
Geomagnetism, Ion Distribution, Magnetic Field Configurations, Magnetic Field Reconnection, Magnetically Trapped Particles, Magnetospheric Ion Density, Magnetopause, Magnetosheath, Magnetospheric Electron Density, Particle Trajectories, Two Dimensional Models
Scientific paper
ISEE observations have shown trapped ion distributions in the magnetosphere along with streaming ion distributions in the magnetosheath. The more energetic ion beams are further away from the magnetopause than lower-energy ion beams. Predictions made with a simple two-dimensional reconnection model which contains a neutral line and an azimuthal electric field were compared with the experimental data of Sept., 1978. The model explains trapped particles in the magnetosphere due to nonadiabatic mirroring in the magnetosheath and streaming ions in the magnetosheath due to energization at the magnetopause. The model also shows the higher-energy ions extending further into the magnetosheath and farther away from the magnetopause than the lower-energy ions. This suggests the ion data of Sept., 1978 are consistent with a reconnection geometry.
Curran Dian Beard
Goertz Christoph K.
Whelan T. A.
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