Karlsruhe 2024 – wissenschaftliches Programm

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T: Fachverband Teilchenphysik

T 4: Cosmic rays 1

T 4.8: Vortrag

Montag, 4. März 2024, 17:45–18:00, Geb. 20.30: 2.059

Unfolding the Atmospheric Muon Spectrum Using Stopping Muons in IceCube — •Lucas Witthaus and Karolin Hymon for the IceCube collaboration — Astroparticle Physics WG Rhode, TU Dortmund University, Germany

The IceCube Neutrino Observatory is a neutrino detector built into the ice sheet near the South Pole. Despite its main objective, the observation of neutrinos, most of the detected events are caused by atmospheric muons produced in cosmic-ray-induced air showers in the upper atmosphere. When entering the Antarctic ice, muons experience significant energy losses due to interactions with surrounding matter, which limits their propagation length. This talk presents the unfolding of the stopping muon depth intensity, providing information about the abundance of atmospheric muons in the South Pole ice. The study focuses on a subset of events that includes single muons that stop inside the IceCube detector. Event classification and reconstruction tasks are performed using deep neural networks.

Supported by BMBF (ErUM) and DFG (SFB 1491)

Keywords: Muon; Extensive Air Showers; IceCube; Unfolding