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T: Fachverband Teilchenphysik
T 101: Hochenergie-Neutrinophysik 3
T 101.4: Talk
Thursday, March 27, 2014, 17:35–17:50, P3
Introducing 3-flavor fits into the analysis of atmospheric neutrino oscillations with IceCube/DeepCore — •Ania Koob, Anna Kriesten, Kai Krings, Markus Vehring, Christian Wichary, and Christopher Wiebusch for the IceCube collaboration — III. Physikalisches Institut, RWTH Aachen, D-52056 Aachen
The IceCube Neutrino Observatory is a large Cherenkov detector built into Antarctic Ice. Its low-energy extension DeepCore has an energy threshold of 10 GeV and therefore allows studies of neutrino oscillations through the disappearance of atmospheric muon neutrinos. The measurement of the mixing angle θ23 and the mass difference Δ m322 with IceCube in its 79-string configuration was based on a 2-flavor approximation. This study extends this analysis by introducing 3-flavor oscillations and matter effects. This talk presents first results of this extension.