Computer Science
Scientific paper
Sep 1983
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983izssr..47.1827k&link_type=abstract
(Seminar po Solnechnoi Aktivnosti i Solnechnym Kosmicheskim Lucham, Leningrad, USSR, Nov. 1982) Akademiia Nauk SSSR, Izvestiia,
Computer Science
Solar Activity Effects, Solar Cosmic Rays, Solar Flares, Interplanetary Space, Particle Acceleration, Periodic Variations, Radiation Measurement, Solar Corona, Spectral Energy Distribution
Scientific paper
It is shown that the method for determining the solar-cosmic-ray (SCR) energy spectrum in the source at an energy of about 1 GeV on the basis of measurements of neutral radiation from the flare is more accurate than the method based on the elementary diffusion model. The more accurate method makes it possible to identify the features characterizing temporal transformations of the energy spectrum and intensity profiles of SCRs during their propagation in the corona and interplanetary space. It is shown that, in the interplanetary medium, particles are effectively accelerated by MHD pulsations, shock waves, and due to the adiabatic compression of the medium. The latter two processes can lead to a 100-fold increase in particle energy, as was the case for the flare of August 4, 1972.
Kolmeets E. V.
Sevastianov V. N.
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