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T: Fachverband Teilchenphysik

T 84: Methods of astroparticle physics V

T 84.5: Vortrag

Donnerstag, 2. April 2020, 17:30–17:45, L-3.001

Performance analysis of new PMTs and light guide systems at the Fluorescence Detector of the Pierre Auger Observatory — •Urs Große-Rhode for the Pierre Auger collaboration — Bergische Universität Wuppertal, Gaußstraße 20, 42119 Wuppertal, Deutschland

The Fluorescence Telescopes at the Auger Observatory are used to detect the fluorescence light produced by extensive air showers. This is done through the use of photomultiplier tubes(PMTs) which are placed in the telescopes camera. The camera consists of 440 PMTs in the focus plane of a 12m* mirror. To study the performance of a new generation of PMTs, one camera has been partially equipped with two new PMT types and an new light guide system. The performance can be estimated with the standard and the new PMT types. The bulk of the analysis uses a reference calibration executed at the camera and laser shots which are fired with low inclination, passing by the camera building. Also the recently launched Aeolus satellite introduced a new opportunity, providing a loser shooting into the Auger Oberservatory from space. An overview of the used methods for the performance analysis as well as results from the analysis will also be presented.
* Gefördert durch die BMBF Verbundforschung Astroteilchenphysik(Vorhaben 05A17PX1).