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Comparison of measured and simulated lateral distributions for electrons and muons with KASCADE |
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| Institution: | aInstitut für Kernphysik, Forschungszentrum Karlsruhe, 76021 Karlsruhe, Germany bNational Institute of Physics and Nuclear Engineering, 7690 Bucharest, Romania cInstitut für Experimentelle Kernphysik, Universität Karlsruhe, 76021 Karlsruhe, Germany dCosmic Ray Division, Yerevan Physics Institute, Yerevan 36, Armenia eSoltan Institute for Nuclear Studies, 90950 Lodz, Poland |
| Abstract: | Lateral distributions for electrons and muons in extensive air showers measured with the array of the KASCADE experiment are compared to results of simulations based on the high-energy hadronic interaction models QGSJet and SIBYLL. It is shown, that the muon distributions are well described by both models. Deviations are found for the electromagnetic component, where both models predict a steeper lateral shape than observed in the data. For both models the observed lateral shapes of the electron component indicate a transition from a light to a more heavy composition of the cosmic ray spectrum above the knee. |
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