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Previous results obtained by KASCADE-Grande using the QGSjetII-02 hadronic interaction model have shown that the energy spectrum of cosmic rays between 1016eV and 1018eV exhibits a significant hardening at approximately 2×1016eV and a slight but statistically significant steepening close to 1017eV. Moreover, the analysis with QGSjetII-02 suggests that the break observed around 1017eV is caused by...
The KASCADE experiment measures extensive air showers induced by cosmic rays in the energy range around the so-called knee. The data of KASCADE have been used in a composition analysis showing the knee at 3–5PeV to be caused by a steepening in the light-element spectra [T. Antoni et al., (KASCADE Coll.), Astropart. Phys. 24 (2005) 1–25]. Since the applied unfolding analysis depends crucially on simulations...
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