Diffuse radiation from cosmic ray interactions in the galaxy

Details Diffuse radiation from cosmic ray interactions in the galaxy Diffuse radiation from cosmic ray interactions in the galaxy

Jul 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993aph.....1..281b&link_type=abstract

Astroparticle Physics, Volume 1, Issue 3, p. 281-287.

Physics

48

Scientific paper

We perform a realistic estimate of the emission of TeV-PeV gamma rays and neutrinos by galactic matter irradiated by cosmic rays. Our calculation is directly based on profiles of matter in the galactic disk compiled by Bloemen. Our results can be compared with recent experimental limits. We investigate the consequences of hints associated with COS-B data, that cosmic ray spectrum is harder in the outer Galaxy and find that present air shower data rule out a straigtforward extrapolation of a hard spectrum up to 100 TeV. We show that we need neutrino telescopes of order 1 km2 area to map the galaxy in TeV neutrinos.

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