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Münster 2017 – wissenschaftliches Programm

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T: Fachverband Teilchenphysik

T 82: Neutrinoastronomie 3

T 82.8: Vortrag

Mittwoch, 29. März 2017, 18:35–18:50, H 1

Neutrino mass determination using extragalactic supernovae — •Maike Jung and Sebastian Böser for the IceCube collaboration — JGU Mainz, Mainz, Germany

MICA, the Megaton Ice Cherenkov Array, is a hypothetical low energy extension for IceCube. With optimized optical modules and a much higher instrumentation density MICA could detect neutrinos down to an energy of 10 MeV, allowing the trigger on supernovae (SN) up to a distance of 10 Mpc. This will enable the observation of up to 1-4 SN per year, a significant improvement to the 1 per century rate of IceCube. Due do the mass of the neutrinos a time delay, especially of the lower energetic neutrinos, is expected. This causes a specific shift in the arrival time spectrum of these SN-neutrinos that also depends on the distance to the SN. This effect is more prominent the further away the detected SN, therefore the limits obtained from extragalactic SN detection with MICA will be a significant improvement to those from SN1987A. I present simulation results on how accurate the neutrino mass can be determined.

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