SMuK 2023 – wissenschaftliches Programm

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T: Fachverband Teilchenphysik

T 145: Cosmic Ray VIII

T 145.5: Vortrag

Donnerstag, 23. März 2023, 18:30–18:45, POT/0081

Radio Interferometry for extensive air showers using Information Field Theory — •Matthias Boddenberg, Martin Erdmann, Maximilian Straub, and Alex Reuzki for the Pierre Auger collaboration — III. Physikalisches Institut A, RWTH Aachen University

Ultra-high-energy cosmic rays induce extensive air showers (EAS) in the Earth's atmosphere. During its propagation through the atmosphere, radio waves are emitted by to the geomagnetic effect and the Askaryan effect, which can be observed by the ground based antenna array at the Pierre Auger Observatory.

In this contribution we apply an interferometry method for extensive air showers and and show its potential use in deriving the depth of shower maximum and the arrival direction of the cosmic ray. We will present a method to reconstruct the location of a point source in the atmosphere. Furthermore we discuss the impact of antenna positions and noise on the radio traces on the location reconstruction.

Finally, we will show an alternative interferometry method for the reconstruction using information field theory (IFT) and discuss its potential uses.