Erlangen 2026 – wissenschaftliches Programm

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T: Fachverband Teilchenphysik

T 40: Cosmic Rays II

T 40.1: Vortrag

Dienstag, 17. März 2026, 16:15–16:30, KS 00.006

The triboelectric effect at the Pierre Auger Observatory — •Julian Rautenberg for the Pierre Auger collaboration — Bergische Universität Wuppertal, Gaußstr. 20, 42119 Wuppertal, Germany

With the AugerPrime extension of the Pierre Auger Observatory all surface detector stations have been equipped with radio antennas to measure extensive air showers in the 30-80 MHz region. For the data acquisition using a trigger based on radio pulses, the triboelectric effect has been reported to be responsible for an increased background rate at high wind-speeds for ice-based radio experiments. With the self-triggered data of the Auger Engineering Radio Array (AERA) we estimate the correlation between trigger rate and wind speed.

Keywords: Radio detection; extensive air shower; triboelectric effect