Hamburg 2016 – scientific programme
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T: Fachverband Teilchenphysik
T 40: Kosmische Strahlung II
T 40.1: Group Report
Monday, February 29, 2016, 16:45–17:05, VMP9 SR 29
Ultra-high energy cosmic rays: Results and status of the Pierre Auger Observatory — •Christine Peters for the Pierre-Auger collaboration — III. Physikalisches Institut A, RWTH Aachen University
The Pierre Auger Observatory is the world’s largest experiment detecting extensive air showers initiated by cosmic rays at the highest energies. An area of 3000 km2 is instrumented by 1660 water Cherenkov detector stations, and 27 fluorescence telescopes overlook the atmosphere above the surface detector array. A hybrid detection principle is achieved by utilizing information of both detectors. A major upgrade of the experiment (AugerPrime) has been decided adding a third detector type, scintillator detector stations located on the water Cherenkov tanks. Thereby, the composition sensitivity of the Pierre Auger Observatory is extended by an improved determination of the muonic shower component. Additionally, underground muon detectors (AMIGA) are deployed. The experiment has been further extended by antennas measuring the emission of radio signals from air showers (AERA).
An overview about recent results and the current status of the experiment will be given in this talk. Highlights are updated results, e.g. on the energy spectrum, chemical composition or proton-air cross section.