Dortmund 2021 – scientific programme

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T: Fachverband Teilchenphysik

T 42: Neutrino astronomy II

T 42.6: Talk

Tuesday, March 16, 2021, 17:15–17:30, Tq

Unfolding the neutrino energy spectrum from three years of IceCube data — •Leonora Kardum — Technische Universität Dortmund

Precise unfolding techniques are crucial for determining the diffuse astrophysical neutrino flux from the low statistic data of the higher energy region. Here presented is a rigorous approach to muon neutrino sample cleaning achieving higher purity than previous methods, combined with a novel approach to rebin the observable space with the goal of attaining substantial statistics in all regions. A comprehensive unfolding approach is presented for the purpose of determining the neutrino distribution in the whole zenith area of interest aimed at analyzing three years of IceCube IC86 data.