Latest results from the KASCADE-Grande data analysis

TL;DR

This paper presents the latest analysis results from the KASCADE-Grande experiment, including tests of interaction models, anisotropy searches, muon attenuation studies, and updates to the public data archive, enhancing understanding of high-energy cosmic rays.

Contribution

It provides new and updated results on cosmic ray interactions, anisotropies, and data accessibility based on the complete KASCADE-Grande dataset.

Findings

Validation of SIBYLL 2.3c hadronic interaction model

Search for large-scale anisotropies in cosmic rays

Updated measurements of muon attenuation in the atmosphere

Abstract

Over the past 20 years, KASCADE and its extension KASCADE-Grande were dedicated to measure high-energy cosmic rays with primary energies of 100 TeV to 1 EeV. The data accumulation was fully completed and all experimental components were dismantled, though the analysis of the high-quality data is still continued. E.g., we investigated the validity of the hadronic interaction model of the new SIBYLL version 2.3c. We also published a new result of a search for large-scale anisotropies performed with the KASCADE-Grande data. Investigation of the attenuation length of the muon in the atmosphere is also updated with the predictions of the SIBYLL 2.3 interaction model. We investigated, in addition, the muon content of high-energy air showers and compared them to all post-LHC interaction models. In this contribution, the new and updated results from KASCADE-Grande will be presented. An update of the web-based data center KCDC offering the original scientific data from KASCADE-Grande to the public will be briefly discussed as well.