Shock waves from supernovae as sources of high-energy cosmic rays

Details Shock waves from supernovae as sources of high-energy cosmic rays Shock waves from supernovae as sources of high-energy cosmic rays

Sep 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983izssr..47.1700b&link_type=abstract

(Seminar po Solnechnoi Aktivnosti i Solnechnym Kosmicheskim Lucham, Leningrad, USSR, Nov. 1982) Akademiia Nauk SSSR, Izvestiia,

Physics

Energetic Particles, Galactic Cosmic Rays, High Energy Interactions, Shock Fronts, Supernova Remnants, Adiabatic Conditions, Spherical Waves

Scientific paper

The self-similar expansion law R(t) = R0(t/t sub 0) exp 2/5 is examined for supernova remnants. Previous studies have indicated that the maximum energy of accelerated particles at the later stages of the adiabatic expansion of supernova remnants amounts to 10 to the 12th eV. Particles with energies exceeding this maximum energy rapidly depart from the shock front into interstellar space and no longer take part in the acceleration process. The present study shows that the further acceleration of these particles can occur as the result of the collective action of all the supernova remnants existing in the Galaxy.

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