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T: Fachverband Teilchenphysik

T 48: Neutrinoastronomie III

T 48.7: Talk

Wednesday, March 21, 2018, 18:00–18:15, Philo-HS1

Search for common sources of cosmic neutrinos and ultra-high-energy cosmic rays — •Lisa Schumacher, Christian Haack, Rene Reimann, and Christopher Wiebusch for the IceCube collaboration — III. Physikalisches Institut B, RWTH Aachen University

Cosmic rays have been discovered a century ago, however, their sources remain unidentified. It is believed that in the same environments that accelerate cosmic rays also neutrinos are produced by hadronic interactions. Joint analyses of the IceCube Neutrino Observatory, the Pierre-Auger Observatory and the Telescope Array yielded inconclusive results for a possible directional correlation of neutrinos and ultra-high-energy cosmic rays (UHECR). This motivates a complementary analysis including UHECR information, recent galactic magnetic field models and a high-statistic neutrino data set. We present a new approach for searching common sources by using UHECR and magnetic-deflection information as a prior for a point-source analysis on a muon-neutrino track data set.