SMuK 2023 – scientific programme
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T: Fachverband Teilchenphysik
T 17: Cosmic Ray I
T 17.1: Talk
Monday, March 20, 2023, 16:30–16:45, POT/0013
Radio emission-mechanism of horizontal air showers measured with AERA at the Pierre Auger Observatory* — •Rukije Uzeiroska for the Pierre Auger collaboration — Bergische Universität Wuppertal, Gaußstr. 20, 42119 Wuppertal, Germany
The Pierre Auger Observatory is the world’s largest detector measuring
ultra high energy cosmic rays. The Auger Engineering Radio Array (AERA) is
an ensemble of 153 antennas each with two polarization directions covering an area of 17 km2 in order to detect the radio signal of the extensive air showers.
These radio emissions consists of two components: the geomagnetic and the charge-excess emission. They can be disentangled by measuring the direction of the electric field vector.
This talk presents current efforts to determine the relative contributions of these two processes using the polarisation pattern of the antenna stations for events measured with AERA, which helps to understand the development of air showers.
*Gefördert durch die BMBF Verbundforschung Astroteilchenphysik (Vorhaben 05A20PX1)