Hamburg 2016 – scientific programme

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T: Fachverband Teilchenphysik

T 103: Neutrinoastronomie V

T 103.8: Talk

Thursday, March 3, 2016, 18:35–18:50, VMP9 SR 08

Sensitivity studies for blazar stacking searches with the IceCube Neutrino Observatory — •Matthias Huber¹ and Stefan Coenders² for the IceCube collaboration — ¹TU Munich Germany — ²TU Munich Germany

Located at the South Pole, the IceCube Neutrino Observatory is the world largest neutrino telescope. It instruments one cubic kilometer of Antarctic ice at a depth of about 1500m to 2500m including 5160 light detecting Digital Optical Modules. Since its construction the IceCube neutrino detector experienced remarkable success. Besides the detection of the highest energy neutrinos worldwide, IceCube is the first experiment to observe an astrophysical high-energy neutrino flux. Although in the meantime the collaboration detected more than 50 high energy neutrino events, the origin of these neutrinos is still not identified. Blazars, being a subclass of Active Galactic Nuclei and consequently one of the most powerful objects in the universe are supposed to be one of the most likely sources of high energy neutrinos. The sensitivities and discovery potentials for the point source stacking of five different blazar samples are evaluated on seven years of IceCube data and ultimately compared to a theoretically predicted neutrino flux from all blazars. We present here the results obtained using the second WISE High Synchrotron Peaked (2WHSP) catalog.