Münster 2017 – wissenschaftliches Programm
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T: Fachverband Teilchenphysik
T 58: Neutrinoastronomie 2
T 58.8: Vortrag
Dienstag, 28. März 2017, 18:40–18:55, H 1
Search for neutrino emission from the Galactic plane with IceCube using starting events — •Kai Krings1 and Christian Haack2 for the IceCube collaboration — 1Technische Universität München, Physik-Department, James-Franck-Str. 1, 85748 Garching — 2III. Physikalisches Institut B, RWTH Aachen, Otto-Blumenthal-Str., 52074 Aachen
The IceCube Neutrino Telescope has observed a diffuse all-sky all-flavor astrophysical neutrino flux above 30 TeV; no sources have been identified yet. We want to challenge the question if the flux is partly of Galactic origin, searching for an integrated neutrino signal along the Galactic plane. Complementary to the search with up-going muon neutrinos, which is constrained to the northern sky only, we use events from both hemispheres with energies above 1 TeV starting inside the IceCube detector. Thus, the entire Galactic plane can be observed, including the Galactic Center. We present results of a proof-of-concept analysis, based on a forward-folding likelihood template fit, using two years of starting event data and introduce a follow-up analysis with six years of data and combined with the up-going muon neutrino search.