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T: Fachverband Teilchenphysik
T 40: Cosmic Rays II
T 40.4: Vortrag
Dienstag, 17. März 2026, 17:00–17:15, KS 00.006
Absolute Energy Calibration of the Auger Engineering Radio Array — •Asil Meidow for the Pierre Auger collaboration — Karlsruhe Institute of Technology
The Pierre Auger Observatory detects ultra-high-energy cosmic rays over a surface area of more than 3000 km2, requiring a precise and stable energy-scale calibration. Traditionally, this calibration relied solely on fluorescence detectors (FD). In recent years, radio detection has become an increasingly valuable technique, offering complementary insights through an independent reconstruction. Previous comparisons revealed that the energy scales determined with the FD and the Auger Engineering Array (AERA) are consistent within systematic uncertainties, with energies reconstructed with AERA being 12% higher. We present how the AERA standard event reconstruction has been adapted to provide electromagnetic and cosmic-ray energies consistent with the energy scale determined with AERA. We also outline how this approach will be extended to inclined air showers in future work.
Keywords: Pierre Auger; Radio; Energy Calibration; Auger Engineering Radio Array