The Knee in Galactic Cosmic Ray Spectrum and Variety in Supernovae

Details The Knee in Galactic Cosmic Ray Spectrum and Variety in Supernovae The Knee in Galactic Cosmic Ray Spectrum and Variety in Supernovae

Jul 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003icrc....1..307s&link_type=abstract

Proceedings of the 28th International Cosmic Ray Conference. July 31-August 7, 2003. Trukuba, Japan. Under the auspices of the I

Physics

Scientific paper

We calculate Galactic cosmic ray (GCR) flux averaged over supernova explosion energies and types, applying only the formulae of standard model of CR acceleration in supernova remnants (SNR) and using latest astronomical data on the variety in supernovae. In the presented model the cosmic ray flux in the whole energy range up to 1018 eV is predominantly formed by the most energetic SN explosions. The "knee" in GCR spectrum at energy around Eknee = 3 PeV can quantitatively be explained by the dominant contribution of hypernovae. The model sketches all-particle cosmic ray spectrum up to 1018 eV.

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