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T: Fachverband Teilchenphysik

T 13: Neutrinoastronomie 1

T 13.3: Vortrag

Montag, 27. März 2017, 17:20–17:35, H 1

Search for ultra-high energy neutrinos and follow-up search of gravitational wave events with the Pierre Auger Observatory* — •Michael Schimp for the Pierre Auger collaboration — Bergische Universität Wuppertal

The surface detector (SD) of the Pierre Auger Observatory allows to distinguish air showers induced by neutrino interactions deep in the atmosphere from other air showers. Moreover, it has a very large acceptance. As a result, it is sensitive to neutrinos at zenith angles above 60^∘ and energies of 0.1 EeV − 100 EeV in contrast to current neutrino telescopes that have their peak sensitivities at a few PeV and below.

The searches for a neutrino flux at energies above 0.1 EeV can constrain the composition, propagation, and source properties of cosmic rays. Among the source candidates for cosmic rays and ultra-high energy neutrinos are the sources of gravitational wave (GW) events that were recently discovered by the LIGO collaboration.

We present the current status of a search for ultra-high energy neutrinos with the Pierre Auger SD, focusing on the analysis at low-zenith angles (<75^∘). Furthermore, we present the most recent results of a corresponding follow-up search of the published LIGO GW events.

*Gefördert durch die BMBF Verbundforschung Astroteilchenphysik (Vorhaben 05A14PX1).