Gamma-radiation from solar flares and the generation of cosmic rays

Details Gamma-radiation from solar flares and the generation of cosmic rays Gamma-radiation from solar flares and the generation of cosmic rays

Sep 1974

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1974izssr..38.1855g&link_type=abstract

(Vsesoiuznaia Konferentsiia po Fizike Kosmicheskikh Luchei, Kharkov, Ukrainian SSR, Sept. 25-28, 1973.) Akademiia Nauk SSSR, Izv

Computer Science

Gamma Rays, Positron Annihilation, Solar Cosmic Rays, Solar Flares, Solar Radio Emission, Synchrotron Radiation, Microwave Spectra, Radio Spectra, Relativistic Particles, Solar Protons, Solar Spectra, Superhigh Frequencies

Scientific paper

It is shown that annihilation of positrons produced by p-p and p-alpha collisions was responsible for the short strong gamma burst recorded during the primary maximum of the flare observed on Mar. 28, 1958. The radio emission at centimeter and decimeter wavelengths from the flare is identified as the synchrotron radiation of relativistic decay positrons. The data indicate that prior to and following the maximum of strong flares, the particle spectrum generated is relatively soft, whereas during the maximum itself, there occurs a hardening of the spectrum, accompanied by a powerful gamma burst.

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