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T: Fachverband Teilchenphysik

T 80: Cosmic Rays IV

T 80.9: Vortrag

Donnerstag, 18. März 2021, 18:05–18:20, Te

The air shower arrays at the South Pole — •Agnieszka Leszczyńska, Mark Weyrauch, and Fiona Ellwanger for the IceCube collaboration — Institute for Astroparticle Physics, Karlsruhe Institute of Technology, Germany

The IceTop air-shower array, detecting cosmic rays in the PeV--EeV energy range, will be enhanced with scintillation detectors and radio antennas. Due to their better sensitivity to the electromagnetic component of the air showers, those will, together with the IceTop Cherenkov tanks, help to improve the measurement of the cosmic ray mass and energy. A denser sampling of the area will lower the energy threshold to cover the knee region of the cosmic ray spectrum. A similar array is planned to be also deployed within the surface footprint of the next generation of the IceCube experiment, IceCube-Gen2. A larger exposure of the IceCube-Gen2 surface array will allow for studying higher energy cosmic-rays and, at the same time, will serve as an additional veto of the atmospheric background for the down-going astrophysical neutrinos. Recent simulation results as well as the prospects for these new surface arrays will be discussed.