Dortmund 2021 – wissenschaftliches Programm

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T: Fachverband Teilchenphysik

T 16: Cosmic Rays V

T 16.8: Vortrag

Montag, 15. März 2021, 17:45–18:00, Tp

Towards an Energy Spectrum Using the Depth Dependence of Stopping Atmospheric Muons in IceCube — •Lucas Witthaus for the IceCube collaboration — Technische Universität Dortmund

The IceCube Neutrino Observatory, located in the Antarctic ice sheet near the geographic South Pole, is meant to detect neutrinos with energys up to a few PeV. However, the majority of recorded events in IceCube is caused by muons from atmospheric air showers. Those events pose as background for neutrino observations, but are particulary suitable to study the underlying cosmic ray spectrum.

This work aims to reconstruct the muon energy spectrum from the depth-dependence of the stopping muon events. The propagation length of these muons is a direct proxy to their surface energy. First steps towards such a data set using deep neural networks and machine learning techniques are presented.