Abstract
The energy spectrum of cosmic rays with energies E0 ≥ 1017 eV over the period of continuous observations in 1974–2017 is analyzed. A refined formula for estimating the primary particle energy is used for individual events. It is derived from our calculations of the responses of the ground-based and underground scintillation detectors of the Yakutsk extensive air shower array within the QGSjet-01-d, QGSjet-II-04, SIBYLL-2.1, and EPOS-LHC models by applying the CORSIKA package. The new estimate of E0 is appreciably lower than its previously used value.
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Notes
By the electrons and muons we also mean the corresponding antiparticles.
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ACKNOWLEDGMENTS
This work was supported by the “High-Energy Physics and Neutrino Astrophysics” Program of the Presidium of the Russian Academy of Sciences and the Russian Foundation for Basic Research (project no. 16-29-13019 ofi-m).
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Glushkov, A.V., Pravdin, M.I. & Saburov, A.V. Energy Spectrum of Ultrahigh-Energy Cosmic Rays according to Data from the Ground-Based Scintillation Detectors of the Yakutsk EAS Array. J. Exp. Theor. Phys. 128, 415–422 (2019). https://doi.org/10.1134/S1063776119020195
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DOI: https://doi.org/10.1134/S1063776119020195