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T: Fachverband Teilchenphysik

T 93: Kosmische Strahlung 3

T 93.3: Vortrag

Montag, 4. März 2013, 17:15–17:30, WIL-C107

Measurement of muon content in inclined air showers above 4 × 10¹⁸ eV — •Hans Dembinski and Markus Roth — IKP, Karlsruhe Institut of Technology (KIT)

The Pierre Auger Observatory in Malargüe, Argentina, is sensitive to air showers up to almost horizontal angles of incidence. Air showers with zenith angles between 60 and 80 degrees are suited to measure the muon component of the shower with the Auger Surface Detector since the primary electromagnetic component gets absorbed in the atmosphere before the shower reaches ground. Some of those events are also observed by the Fluorescence Detector which allows us to determine the total energy of the shower independent of the Surface Detector. Based on these hybrids events the size of muon component for a given cosmic ray energy is determined, which can then be compared to model predictions. We present an update of this analysis.