Astronomy and Astrophysics – Astrophysics
Scientific paper
Dec 1982
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982apj...263..468s&link_type=abstract
Astrophysical Journal, Part 1, vol. 263, Dec. 1, 1982, p. 468-476.
Astronomy and Astrophysics
Astrophysics
8
Bow Waves, Particle Acceleration, Shock Waves, Solar Terrestrial Interactions, Solar Wind, International Sun Earth Explorers, Interplanetary Magnetic Fields, Ion Distribution, Mathematical Models, Proton Energy
Scientific paper
The lateral distribution of upstream, diffuse energetic ions resulting from shock acceleration at an idealized model bow shock is investigated, where the model consists of a uniform planar shock along which steady source ion injection takes place over a finite region of the shock. The solution exhibits growth toward a peak ion concentration whose location beneath the point of initial magnetic connection with the shock is sensitive to the model parameters. It is found that a plateau forms if the source size is large in comparison to the scale length of ion distribution function's growth, and that cross-field diffusion strongly enhances the diffuse ion concentration near the leading edge of the source.
Lee Martin A.
Skadron George
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