The calculations of VHE gamma-ray spectra from the cosmic ray sources

Details The calculations of VHE gamma-ray spectra from the cosmic ray sources The calculations of VHE gamma-ray spectra from the cosmic ray sources

Aug 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991icrc....1..536k&link_type=abstract

Proc. 22nd Intern. Cosmic Ray Conf. (Dublin, Ireland), vol. 1, p. 536-539

Astronomy and Astrophysics

Astronomy

1

Energy Spectra, Gamma Ray Astronomy, Gamma Ray Spectra, Photonuclear Reactions, Point Sources, Crab Nebula, Galactic Cosmic Rays, Pions, X Ray Binaries

Scientific paper

We consider a model of the cosmic ray (CR) source in which the nuclear composition and spectrum of the UHE CR are formed by photonuclear and photopion reactions on soft photons nearby the source. The propagation of nuclei through photon field in the source region is analyzed in order to obtain gamma-ray energy spectra from the above processes. Approximate formulae for gamma-ray energy spectra, which could be useful in the analysis of VHE gamma rays from cosmic sources, have been obtained. It is shown that sources of the UHE CR might be whether effective sources of VHE gamma rays or HE gamma rays (<100 GeV).

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