Search for Galactic Cosmic Ray Sources with H.E.S.S
Nukri Komin (for the H.E.S.S. collaboration)

TL;DR
This paper discusses H.E.S.S. observations of supernova remnants to identify their role as sources of Galactic Cosmic Rays, analyzing gamma-ray emissions to distinguish between leptonic and hadronic interaction scenarios.
Contribution
It presents recent H.E.S.S. observational results of SNRs and molecular cloud interactions, supporting the hypothesis that SNRs are the primary sources of Galactic Cosmic Rays.
Findings
Detection of gamma-ray emissions from several SNRs
Evidence supporting hadronic interactions in SNRs
Likely confirmation of SNRs as Cosmic Ray sources
Abstract
Supernova remnants (SNRs) are the prime candidates for the acceleration of the Galactic Cosmic Rays. Tracers for interactions of Cosmic Rays with ambient material are gamma rays at TeV energies, which can be observed with ground based Cherenkov telescopes like H.E.S.S. In the recent years H.E.S.S. has detected several SNRs and interactions of SNRs with molecular clouds. Here the current results of these observations are presented and possible leptonic and hadronic scenarios are discussed. It is shown that it is likely that SNRs are the sources of Galactic Cosmic Rays.
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Taxonomy
TopicsAstrophysics and Cosmic Phenomena · Dark Matter and Cosmic Phenomena · Radiation Detection and Scintillator Technologies
