Heidelberg 2022 – wissenschaftliches Programm

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T: Fachverband Teilchenphysik

T 18: Neutrino Astronomy 1

T 18.9: Vortrag

Montag, 21. März 2022, 18:15–18:30, T-H31

Sensitivity of IceCube-Gen2 for the identification of high-energy tau neutrinos and for the measurement of the flavour composition — •Neha Lad¹, Maximillian Meier², and Markus Ackermann¹ for the IceCube collaboration — ¹DESY, Zeuthen, Germany — ²Dept. of Physics and Institute for Global Prominent Research, Chiba University, Japan

The IceCube neutrino observatory at the South Pole has disfavoured the absence of an astrophysical tau-neutrino flux at the 2.8σ level. IceCube-Gen2 is the planned extension of current IceCube detector, which will be about 8 times bigger than the current instrumented volume. In this work, we study the sensitivity of IceCube-Gen2 to the astrophysical flavour composition and investigate it’s tau neutrino identification capabilities. We apply the IceCube analysis on a Gen2 dataset that mimics the High Energy Starting Event classification. Reconstructions are performed using sensors that have  3 times higher quantum efficiency and isotropic angular acceptance compared to the current IceCube optical modules. We present results of this sensitivity study.