Gamma-Rays and Neutrinos from a SNR in the Galactic Center

Details Gamma-Rays and Neutrinos from a SNR in the Galactic Center Gamma-Rays and Neutrinos from a SNR in the Galactic Center

Oct 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007sngh.conf..125c&link_type=abstract

SCIENCE WITH THE NEW GENERATION OF HIGH ENERGY GAMMA-RAY EXPERIMENTS The Variable Gamma-Ray Sources: Their Identifications and C

Physics

Scientific paper

The recent detection of high energy gamma-ray emission from some galactic Supernova Remnants (SNRs) provided the first observational support to the long standing hypothesis that SNRs are the sources of galactic Cosmic Rays (CRs). The possible detection of neutrinos coming from the same sources would be valuable to confirm the hadronic origin of that radiation. Having this scenario in mind we evaluate the neutrino-photon flux ratio to be expected from pion decay in the TeV range. We applied our results to estimate the neutrino flux from the Galactic Centre region which was showed by HESS and MAGIC to be an active gamma-ray source, most likely powered by the SNR Sgr A East. According to our results that source should be detectable by a km3 Mediterranean Neutrino Telescope.

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