Göttingen 2025 – wissenschaftliches Programm

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T: Fachverband Teilchenphysik

T 79: Methods in Astroparticle Physics III

T 79.6: Vortrag

Donnerstag, 3. April 2025, 17:30–17:45, VG 3.101

Development of a Dataset for Hybrid Cosmic-Ray Measurements using IceAct, IceTop, and IceCube — •Sönke Schwirn, Shuyang Deng, Lasse Düser, Jonas Häußler, Lars Heuermann, Lars Marten, Philipp Soldin, Julian Vogt, and Christopher Wiebusch — RWTH Aachen - III. Physikalisches Institut B, Aachen, Germany

IceAct is an array of Imaging Air-Cherenkov Telescopes stationed at the South Pole as part of the IceCube Neutrino Observatory. One of its main goals is the hybrid detection of cosmic-ray induced air showers. We combine the shower development as measured with IceAct, the surface component as measured with IceTop, and TeV muons as measured deep in the ice with IceCube. For this, accurate and robust event synchronization and matching is required to combine these complementary measurements. Furthermore, it is necessary to precisely align the geometric orientation of the IceAct telescopes for an analysis of these events. In this talk, we will present a new data processing for a hybrid dataset including an improved event matching and its application to updated geometric alignment. Finally, we present a graph convolutional network for event reconstruction.

Keywords: Imaging Air Cherenkov Telescope; Cosmic Rays; Data Processing; Hybrid Measurements; IceAct