Test of the hadronic interaction model EPOS with air shower data
KASCADE-Grande Collaboration: W.D. Apel, et al.
TL;DR
This paper evaluates the EPOS 1.61 hadronic interaction model against air shower data from KASCADE, finding significant discrepancies likely due to overestimated inelastic cross sections.
Contribution
It provides an empirical test of the EPOS model with real air shower data, highlighting its limitations in current form.
Findings
EPOS predictions do not match KASCADE measurements.
Discrepancies are likely caused by overly high inelastic cross sections.
Model adjustments are needed for better compatibility.
Abstract
Predictions of the hadronic interaction model EPOS~1.61 as implemented in the air shower simulation program CORSIKA are compared to observations with the KASCADE experiment. The investigations reveal that the predictions of EPOS are not compatible with KASCADE measurements. The discrepancies seen are most likely due to use of a set of inelastic hadronic cross sections that are too high.
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