Dortmund 2021 – scientific programme
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T: Fachverband Teilchenphysik
T 42: Neutrino astronomy II
T 42.7: Talk
Tuesday, March 16, 2021, 17:30–17:45, Tq
Perspectives of a Global Fit of IceCube’s Astrophysical Neutrino Data — •Erik Ganster1, Jakob Böttcher1, Philipp Fürst1, Christian Haack2, Jöran Stettner1, and Christopher Wiebusch1 for the IceCube collaboration — 1RWTH Aachen University - Physics Institute III B, Aachen, Germany — 2TU München - Experimental Physics with Cosmic Particles
The IceCube Neutrino Observatory has observed a flux of high-energy astrophysical neutrinos since 2013. This observation has been confirmed in multiple complementary detection channels such as high-energy starting events (HESE), cascades, and through-going muon tracks. This diffuse flux is typically modelled by power-law energy spectra. However, the measured flux properties differ between these different observations. We report on the status of a combined global analysis of all high-energy neutrino data from IceCube which is currently being prepared. Studies of the sensitivity of this ’global fit’ for measuring the flux properties will be shown.