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T: Fachverband Teilchenphysik

T 40: Kosmische Strahlung II

T 40.4: Vortrag

Montag, 29. Februar 2016, 17:35–17:50, VMP9 SR 29

Super-preshowers* — •Alex Kääpä for the Pierre-Auger collaboration — Bergische Universität Wuppertal, Gaußstr. 20, 42119 Wuppertal

Based on the current data from the Pierre Auger Observatory, no evidence of cosmic ray photon primaries has been found. However, photon primaries could induce so-called “super-preshowers”, which have not been considered sofar, but are a promising candidate for explaining the “composition puzzle” at ultra-high energies. In this presentation, possible super-preshower processes are examined, and their effects on important Auger parameters, such as the energy deposit and muon production, are studied via simulations.

*Gefördert durch die BMBF-Verbundforschung Astroteilchenphysik