No muon excess in extensive air showers at 100-500 PeV primary energy: EAS-MSU results
arXiv:1609.05764 · doi:10.1016/j.astropartphys.2017.04.001
Abstract
Some discrepancies have been reported between observed and simulated muon content of extensive air showers: the number of observed muons exceeded the expectations in HiRes-MIA, Yakutsk and Pierre Auger Observatory data. Here, we analyze the data of the Moscow State University Extensive Air Shower (EAS-MSU) array on E_mu>~10 GeV muons in showers caused by ~(10^17-10^18) eV primary particles and demonstrate that they agree with simulations (QGSJET-II-04 hadronic interaction model) once the primary composition inferred from the surface-detector data is assumed.
10 pages, 6 figures, elsart.sty. V2: extended discussion of systematic errors, numerous clarifications (results unchanged). V3: minor changes, version accepted by Astroparticle Physics
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- Report on Tests and Measurements of Hadronic Interaction Properties with Air Showers
- Ultra-High-Energy Cosmic Rays: The Intersection of the Cosmic and Energy Frontiers
- Study of muons from ultra-high energy cosmic ray air showers measured with the Telescope Array experiment
- Progress in high-energy cosmic ray physics
- Probing the evolution of the EAS muon content in the atmosphere with KASCADE-Grande
- Constraints on the flux of eV cosmic photons from the EAS-MSU muon data
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- Muon content of extensive air showers: comparison of the energy spectra obtained by the Sydney University Giant Air-shower Recorder and by the Pierre Auger Observatory
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- Hypothetical Lorentz invariance violation and the muon content of extensive air showers
- Deep learning method for identifying mass composition of ultra-high-energy cosmic rays
- Muon lateral distribution function of extensive air showers: results of the Sydney University Giant Air-shower Recorder versus modern Monte-Carlo simulations
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- Remarks on atmospheric effect of D-foam in light of muon puzzle