The problem of the 'blackbody bump' in the cosmic-ray spectrum

Details The problem of the 'blackbody bump' in the cosmic-ray spectrum The problem of the 'blackbody bump' in the cosmic-ray spectrum

Oct 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987izssr..51.1787b&link_type=abstract

Akademiia Nauk SSSR, Izvestiia, Seriia Fizicheskaia (ISSN 0367-6765), vol. 51, Oct. 1987, p. 1787-1789. In Russian.

Astronomy and Astrophysics

Astronomy

Black Body Radiation, Cosmic Rays, Energy Spectra, Astronomical Models, Energy Dissipation, Pair Production, Proton Energy

Scientific paper

A physical interpretation of the blackbody bump observed in the spectra of cosmic rays from distant metagalactic sources is given. It is shown that the blackbody hump is significant for distant sources and for flat generation spectra, since in both cases the number of particles subjected to significant deceleration is large. The blackbody trough is not as pronounced in homogeneous metagalactic models, since nearby sources make a contribution together with distant sources in these models.

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