Wuppertal 2015 – scientific programme

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T: Fachverband Teilchenphysik

T 9: Gammaastronomie I

T 9.1: Group Report

Monday, March 9, 2015, 14:00–14:20, I.13.71 (HS 28)

Ultra-high energy gamma-ray astronomy: from Tunka-HiSCORE to TAIGA — •Martin Tluczykont for the TAIGA collaboration — Institut für Experimentalphysik, Luruper Chaussee 149, 22761 Hamburg

In the past 3 years, the Tunka-HiSCORE collaboration has installed HiSCORE timing air Cherenkov detectors in the Tunka valley in Siberia. Since October 2013, a 9-station prototype array is in operation. These activities have merged into the recently founded TAIGA collaboration, which is currently building a non-imaging air Cherenkov array consisting today of 29 stations, which will be upgraded to 1 square-km. Furthermore, the deployment of a 4m diameter imaging air Cherenkov telescope is planned within 2015.

Our aim is to combine the timing and imaging techniques on a large scale in order to optimize the air Cherenkov detection technique for energies above 10 TeV and up to several 100 TeV. Simulations show a clear potential of the planned hybrid event reconstruction. The status of our experiment and our future plans will be presented.