Physics
Scientific paper
Oct 1975
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975ge%26ae..15..393b&link_type=abstract
(Geomagnetizm i Aeronomiia, vol. 15, May-June 1975, p. 393-400.) Geomagnetism and Aeronomy, vol. 15, Oct. 1975, p. 327-331. Tra
Physics
1
Cosmic Plasma, Interstellar Gas, Particle Acceleration, Proton Flux Density, Solar Wind, Magnetic Pumping, Nonrelativistic Mechanics, Plasma Waves, Plasma-Particle Interactions, Shock Waves, Sunspots
Scientific paper
The statistical acceleration mechanism of nonrelativistic particles is investigated which is associated with magnetic pumping in a turbulent plasma and the resonance interaction between low-frequency plasma waves and particles. The self-similar problem of wave and particle spectra is solved taking into account the spatial diffusion of particles along a homogeneous magnetic field. Calculations are made for a proton plasma on the assumptions that the acceleration region is a thin plasma layer between shock waves at the boundary between the solar wind and the interstellar medium and that the period of magnetic pumping is equal to the development time for active groups of sunspots. The calculations show that the proposed mechanism can provide the observed proton fluxes with energies of the order of 1 MeV.
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