Münster 2017 – scientific programme

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T: Fachverband Teilchenphysik

T 22: Experimentelle Techniken der Astroteilchenphysik 1

T 22.3: Talk

Monday, March 27, 2017, 17:20–17:35, S 9

IceAct, Imaging Air Cherenkov Telescopes with SiPMs at the South Pole for IceCube-Gen2 — Jan Audehm, •Jan Auffenberg, Thomas Bretz, Erik Ganster, Maurice Günder, Lasse Halve, Thomas Hebbeker, Jan Paul Koschinsky, Lukas Middendorf, Tim Niggemann, Leif Rädel, Martin Rongen, Tobias Sälzer, Merlin Schaufel, Sebastian Schoenen, Johannes Schumacher, Aatif Waza, and Christopher Wiebusch for the IceCube collaboration — III. Physikalisches Institut, RWTH Aachen University

IceCube-Gen2 is planned to extend the IceCube Neutrino Observatory at the geographic South Pole. For neutrino astronomy, a large background-free sample of well-reconstructed astrophysical neutrinos is essential. The main background for this signal are muons and neutrinos which are produced in cosmic-ray air showers in the Earth’s atmosphere. The coincident detection of these air showers by the surface detector IceTop has been proven to be a powerful veto for atmospheric neutrinos and muons in the field of view of the Southern Hemisphere. This motivates a large extension of IceTop to more efficiently detect cosmic rays. Part of these extension plans is IceAct, small imaging air cherenkov telescopes based on SiPM cameras and optimized for harsh environments. Compared to IceTop stations, these telescopes potentially lower the detection threshold for air showers. The South Pole environment promises a very good duty cycle. We will present the progress and future plans of the IceAct project including first coincident data of IceAct with IceCube.