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NPC Neutrino Seminar

Toward an understanding of Galactic PeVatrons

by Ke Fang (University of Wisconsin-Madison)




The existence of a “knee” at a few PeV in the cosmic-ray spectrum suggests the presence of Galactic PeV proton accelerators called “PeVatrons.” The search for PeVatrons has been significantly advanced lately, thanks to the launches and operation of very-high-energy gamma-ray and high-energy neutrino observatories. This talk will present the latest observations of a few candidate PeVatrons. We will discuss how the new observations of both individual sources and the diffuse emission of the Galactic Plane improve our understanding of Galactic PeVatrons and their implications for future astroparticle studies at TeV-PeV energies.