Aachen 2019 – scientific programme

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T: Fachverband Teilchenphysik

T 61: Kosmische Strahlung III

T 61.6: Talk

Wednesday, March 27, 2019, 17:25–17:40, S13

Observation of air showers with the IceAct 7 pixel demonstrator in coincidence with IceCube and IceTop — •Erik Ganster, Jan Auffenberg, Pascal Backes, Thomas Bretz, Johannes Buscher, Maurice Günder, Martin Rongen, Merlin Schaufel, and Christopher Wiebusch for the IceCube collaboration — III. Physikalisches Institut, RWTH Aachen University

The IceAct Imaging Air Cherenkov Telescopes are proposed surface detectors extending the IceCube Neutrino Observatory. By observing Cherenkov light in the atmosphere with an SiPM based camera, IceAct is capable of detecting cosmic ray air showers in coincidence with IceCube and its surface detector IceTop. These observations can improve the measurement of the composition of cosmic rays, they allow for the calibration of the angular resolution and efficiency of IceCube and IceTop, and potentially can be used to to veto atmospheric muons and neutrinos, which are a background in cosmic neutrino searches. In December 2015, a 7-pixel demonstrator telescope was installed at the South Pole and had been operated in coincidence with IceCube during the years 2016 and 2017. We present results of the analysis of air-showers measured coincidentally with IceAct, IceCube, and IceTop.