Muons in showers with energy $\boldsymbol{E_{0} \geq}$ 5 EeV and QGSjetII-04 and EPOS LHC models of hadronic interactions. Is there a muon deficit in the models?
Stanislav Knurenko, Igor Petrov
SciPost Phys. Proc. 13, 032 (2023) · published 29 September 2023
- doi: 10.21468/SciPostPhysProc.13.032
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21st International Symposium on Very High Energy Cosmic Ray Interactions
Abstract
The paper presents data on the muon component with a threshold $\varepsilon_{thr} ≥$ 1 GeV. Air showers were registered at the Yakutsk array during almost 50 years of continuous air shower observations. The characteristics of muons are compared with calculations of QGSjetII-04 and EPOS LHC models for a proton and an iron nucleus. There is a muon deficit in the models, at energies greater than 5 EeV. To make an agreement between experimental data and simulations on muons, further tuning of the models is required.
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