Freiburg 2008 – scientific programme

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T: Fachverband Teilchenphysik

T 84: Kosmische Strahlung IV

T 84.2: Talk

Thursday, March 6, 2008, 17:05–17:20, KGI-HS 1199

Lateral Distribution of EAS-Muon Density and Pseudorapidity — •Pawel Luczak², Kai Daumiller¹, Paul Doll¹, and Janusz Zabierowski² for the KASCADE-Grande collaboration — ¹Institut für Kernphysik, Forschungszentrum Karlsruhe, Postfach 3640, 76021 Karlsruhe — ²Soltan Institute for Nuclear Studies, 90950 Lodz, Poland

The Muon-Tracking-Detector(MTD) in KASCADE-Grande allows to measure with high accuracy muon directions in EAS up to 700 m distance from the shower axis. According to simulations of showers initiated by primaries with energies 10¹⁶ -10¹⁸ eV, nearly all muons reaching the observation level are subject of investigation. This is important when studying averaged quantities like muon production height and lateral distribution of muon density and muon pseudorapidity in view of comparisons between experimental data and simulations. Such comparisons allow to study the longitudinal shower development and the validity of hadronic interaction models used in EAS simulations based on CORSIKA, QGSJetII+FLUKA2002.4 model combination.