Physics
Scientific paper
Sep 1983
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983soph...87..337m&link_type=abstract
Solar Physics (ISSN 0038-0938), vol. 87, Sept. 1983, p. 337-357.
Physics
11
Coronal Loops, Cyclotron Resonance, Magnetically Trapped Particles, Proton Energy, Solar Corona, Energy Storage, Magnetohydrodynamic Stability, Particle Acceleration, Plasma-Particle Interactions, Refracted Waves
Scientific paper
The problem of long time storage of high energy protons accelerated in the process of a flare in coronal magnetic traps is considered. From the viewpoint of the storage, one of the most important plasma instabilities is the kinetic cyclotron instability of the Alfven waves. A detailed theoretical analysis of the instability for typical conditions of the solar corona is conducted. It is the refraction of Alfven waves, in combination with a drastic decrease of the instability growth rate with an increase of the angle between the directions of the wave vector and the stationary magnetic field, that leads to the possibility of the long term storage of the flare protons. Sufficient conditions of the storage are determined.
Meerson B. I.
Rogachevskii I. V.
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