Computer Science
Scientific paper
Mar 1982
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982ssrv...32..205l&link_type=abstract
(Slovenska Akademia Vied, IAU, and COSPAR, Study of Travelling Interplanetary Phenomena Workshop on Shock Waves in the Solar Cor
Computer Science
60
Energetic Particles, Heliosphere, Particle Acceleration, Shock Wave Interaction, Solar Wind, Solar Corona, Solar Flares
Scientific paper
The apparent distinction between 'V x B' and 'Fermi' mechanisms is clarified in a discussion of the theory of the shock acceleration of energetic particles which restricts attention to those cases where the energetic particles do not themselves influence the given shock structure. The theory is applied to the acceleration of energetic particles in corotating interaction regions (CIR) in the solar wind, where particles are accelerated at either the forward and reverse shocks which bound the CIR by being compressed between the shock fronts and magnetic irregularities upstream of the shocks, or by being compressed between upstream irregularities and those downstream from the shocks. The model is shown to account for the observed exponential spectra at the earth, observed spectra behavior with radial distance and radial intensity gradients, and differences in spectra intensity at the forward and reverse shocks. Energy spectra are also calculated for the shock acceleration of energetic particles in large solar flare events.
Fisk Len A.
Lee Martin A.
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