Erlangen 2026 – scientific programme
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T: Fachverband Teilchenphysik
T 40: Cosmic Rays II
T 40.7: Talk
Tuesday, March 17, 2026, 17:45–18:00, KS 00.006
The Auger Radio Infill SKALA Extension (ARISE) — •Carmen Merx1, Ben Flaggs2, Alexander Novikov2, Frederik Schmitt1, Megha Venugopal1, Stef Verpoest2, Andreas Weindl1, and Frank Schröder1,2 — 1Institute for Astroparticle Physics, Karlsruhe Institute of Technology — 2Bartol Research Institute, Department of Physics and Astronomy, University of Delaware
Radio detection of extensive air showers has become a powerful technique for studying high-energy cosmic rays. To further enhance the measurement of ultra-high-energy cosmic rays, the Pierre Auger Observatory in Argentina, the world`s largest cosmic-ray experiment, has been upgraded with radio antennas for inclined air showers. In 2025, we have installed an additional pathfinder radio array, ARISE (``Auger Radio Infill SKALA Extension''), aiming at the demonstration of full detection efficiency for vertical air showers in the energy range of 100 PeV and above.
The ARISE setup is based on the radio component of the IceCube Surface Array Enhancement. It consists of six stations, each comprising three SKALA antennas installed around a surface detector in the denser infill region of the Pierre Auger Observatory.
This talk will give an overview of ARISE and present first radio measurements triggered by the Auger surface detector.
Keywords: cosmic rays; Pierre Auger Observatory; radio antennas