Air-shower detection with the surface antennas at the IceCube Neutrino Observatory
Pre-published on:
September 10, 2026
Published on:
—
Abstract
IceTop is the surface air-shower array of the IceCube Neutrino Observatory measuring cosmic rays in the PeV – EeV energy range. Additional detectors of scintillators and antennas are to be deployed in the IceTop footprint as part of the Surface Array Enhancement. The scintillators aim to reduce the energy threshold to access the sub-PeV regime and the antennas provide information on mass-sensitive observables such as $X_{max}$. Since early 2025, three stations, each comprising 3 antennas and 8 scintillators with an independent data acquisition system, are running in tandem with the ice-Cherenkov tanks of IceTop. We present an overview of some results from a single station. A first air-shower event candidate with all 9 antennas is presented. Additionally, with the goal of calibrating the antennas with the galactic noise, the sidereal modulation of background radio data is also evaluated.
DOI: https://doi.org/10.22323/1.538.0004
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