Speaker
Description
KASCADE-Grande was designed to investigate the energy spectrum and mass composition of cosmic rays in the energy range from 10 PeV to 1 EeV. Its measurements revealed a knee-like feature in the spectrum of heavy primaries at energies around 100 PeV, consistent with expectations from rigidity-dependent acceleration and propagation scenarios. In addition, a hardening of the light-component spectrum was observed near 120 PeV. As the KASCADE-Grande data set, comprising more than 20 years of observations, is publicly available through the KASCADE Cosmic-ray Data Centre (KCDC, www.kcdc.iap.kit.edu), further studies remain possible. In particular, the data can be reanalyzed using updated hadronic interaction models, and new results based on recently released model versions will be presented. Furthermore, we have recently investigated the anisotropy of cosmic-ray arrival directions using data from KASCADE and KASCADE-Grande. The analysis targets large-scale anisotropies in the energy range from 100 TeV to approximately 50 PeV and employs a maximum-likelihood approach. The latest results of these studies will also be discussed.