Göttingen 2025 – wissenschaftliches Programm

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T: Fachverband Teilchenphysik

T 100: Cosmic Rays V

T 100.1: Vortrag

Freitag, 4. April 2025, 09:00–09:15, VG 3.102

Exploring High-Energy Atmospheric Muons with IceCube: Unfolding the Muon Flux — •Pascal Gutjahr — TU Dortmund University, Dortmund, Germany

Atmospheric muons, produced in cosmic ray air showers, can be divided into two components: conventional muons from pion and kaon decays, and prompt muons from heavy meson decays. While conventional muons dominate at TeV energies, the prompt component becomes increasingly relevant at PeV energies. Studying these muons is essential for understanding cosmic rays, refining hadronic interaction models, and reducing neutrino background in neutrino telescopes like IceCube.

This talk will present recent air shower simulations performed with CORSIKA, validated against numerical predictions from MCEq. A key focus will be on a method to unfold the atmospheric muon flux at the surface, leveraging machine learning for event reconstruction in IceCube.

Keywords: Air shower; Muons; Unfolding; Machine learning; CORSIKA