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HEP Seminar: Neutrino Oscillation in Icecube/DeepCore

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Philip Eller, The Pennsylvania State University
28 March 2018 from 2:00 PM to 3:00 PM
339 Davey Laboratory
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The Neutrino IceCube observatory, with its 5160 sensors submerged in Antarica's glacial ice, collects data from neutrino events over several orders of magnitude in energy. The DeepCore detector sub-array in the deepest clear ice of IceCube enables detection and reconstruction of neutrinos produced by the interaction of cosmic rays in the Earth’s atmosphere at energies and baselines suitable for the study of neutrino of oscillations.

We recently unblinded two different 3-year analyses using neutrinos with reconstructed energies between 5.6 and 56 GeV over a range of baselines up to the diameter of the Earth to simultaneously measure the muon neutrino disappearance and tau neutrino appearance. These new results are competitive in terms of precision with those of other, mainly long baseline accelerator experiments.