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Proceedings of 36th International Cosmic Ray Conference — PoS(ICRC2019)
Supernova remnants (SNRs) are widely believed to be one of the main candidates for the origin of Galactic cosmic rays. The observed very-high-energy gamma-ray emission observed from a number of SNRs suggests that particles are indeed accelerated to high energies at the shock of the remnants. However, it is extremely difficult to determine which particles are responsible for this emission as both protons (through hadronic interactions and subsequent pion decay) and electrons (through inversedoi:10.22323/1.358.1179 fatcat:t3i6brl5evgdhc7tlxgeekrq3y