Physics
Scientific paper
Dec 1977
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977jgr....82.5609s&link_type=abstract
Journal of Geophysical Research, vol. 82, Dec. 1, 1977, p. 5609-5620. NSF-supported research.
Physics
15
Magnetically Trapped Particles, Particle Motion, Solar Corona, Solar Cosmic Rays, Coronagraphs, Energy Dissipation, Magnetic Control, Propagation Velocity, Solar Flares
Scientific paper
Key observations pertaining to the fast azimuthal propagation of solar cosmic ray particles are reviewed. Briefly, protons and electrons with a wide range of energies from 40 to 60 deg heliolongitude on either side of a flare site have access to the earth-sun interplanetary field line within an hour of flare onset. We propose that coronal magnetic bottles, produced by flares, serve as temporary traps for solar cosmic rays n some instances. It is the expansion of these bottles at velocities of 300-500 km/s which allows fast azimuthal propagation of solar cosmic rays independent of energy. As a result of the Rayleigh-Taylor instability, cosmic rays originally trapped inside the bottle are released into interplanetary space at a time of the order of 0.5-1 hour after the flare.
Mullan Dermott J.
Schatten Kenneth H.
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