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Andrii Neronov – Galactic and extragalactic contributions to the astrophysical neutrino flux
2017/05/24, 13:00 - 14:00
Spectral and anisotropy properties of IceCube astrophysical neutrino signals reveal evidence for a sizeable Galactic contribution to the neutrino flux in the Southern Hemisphere. I will review this evidence and relate it to the absence of Galactic component signature in the muon neutrino signal from the Northern sky. I will discuss implications of the possible Galactic component of the astrophysical neutrino flux for understanding of the cosmic ray content of the Milky Way and of the locally observed cosmic ray flux. I will also review possible options for the extragalactic astrophysical neutrino flux component which presumably dominates the signal in the Northern hemisphere.