Wave generation in the transport of particles from large solar flares

Details Wave generation in the transport of particles from large solar flares Wave generation in the transport of particles from large solar flares

Jul 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989apj...342l..51r&link_type=abstract

Astrophysical Journal, Part 2 - Letters (ISSN 0004-637X), vol. 342, July 1, 1989, p. L51-L53.

Astronomy and Astrophysics

Astrophysics

13

Magnetohydrodynamic Waves, Proton Energy, Solar Flares, Solar Protons, Wave Generation, Energetic Particles, Interplanetary Medium, Milky Way Galaxy, Solar Cosmic Rays

Scientific paper

The growth rate of Alfven waves produced by energetic solar protons streaming outward from large solar flares is estimated. The mathematical development is directly analogous to that used to describe the self-containment of cosmic rays in the Galaxy. It is found that sufficient intensities of streaming protons can generate Alfven waves that reduce the scattering mean free path of the particles that produce the waves. This scattering impedes further flow of particles. The estimated growth rate of the waves depends linearly upon the particle intensity so that lower energy particles are much more strongly affected than high-energy particles for typical solar spectra.

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