Spectrum and anisotropy of ultrahigh-energy cosmic rays in framework of a single-source model

Details Spectrum and anisotropy of ultrahigh-energy cosmic rays in framework of a single-source model Spectrum and anisotropy of ultrahigh-energy cosmic rays in framework of a single-source model

Dec 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988izssr..52.2296b&link_type=abstract

(Vsesoiuznaia Konferentsiia po Kosmicheskim Lucham, Alma-Ata, Kazakh SSR, Sept. 13-15, 1988) Akademiia Nauk SSSR, Izvestiia, Ser

Astronomy and Astrophysics

Astronomy

Cosmic Rays, Energy Spectra, Milky Way Galaxy, Astronomical Models, High Energy Interactions

Scientific paper

The diffusion propagation of ultrahigh-energy cosmic rays from a single metagalactic source, e.g., NGC 4151, is considered. In the framework of this model, the cosmic-ray anisotropy can decrease with energy or be relatively small. The model also predicts that the primary rays have a purely proton composition. For NGC 4151, at an anisotropy not exceeding 20-30 percent, the spectrum has a blackbody cutoff at E less than 1 x 10 to the 20th eV and an appreciable blackbody hump preceding the cutoff.

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