Radio detection of cosmic rays with the Auger Engineering Radio Array

Abstract

The Auger Engineering Radio Array (AERA) complements the Pierre Auger Observatory with 150 radio-antenna stations measuring in the frequency range from 30 to 80 MHz. With an instrumented area of 17 km${}^2$, the array constitutes the largest cosmic-ray radio detector built to date, allowing us to do multi-hybrid measurements of cosmic rays in the energy range of 10${}^{17}$ eV up to several 10${}^{18}$ eV. We give an overview of AERA results and discuss the significance of radio detection for the validation of the energy scale of cosmic-ray detectors as well as for mass-composition measurements.

Proceedings of the UHECR2018 conference, submitted to the forthcoming EPJ Web of Conferences

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• The Pierre Auger Cosmic Ray Observatory
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• A high-precision interpolation method for pulsed radio signals from cosmic-ray air showers
• AugerPrime -- The upgrade of the Pierre Auger Observatory
• Simulating radio emission from particle cascades with CORSIKA 8
• A LOFAR-style reconstruction of cosmic-ray air showers with SKA-Low
• Uncertainties of the 30-408 MHz Galactic emission as a calibration source for radio detectors in astroparticle physics