Abstract
Results obtained from an analysis of the energy spectrum of cosmic rays with energies in the region of E0 ≥ 1017 eV over the period of continuous observations from 1974 to 2017 are presented. A refined expression for estimating the primary-particle energy is used for individual events. This expression is derived from calculations aimed at determining the responses of the ground-based and underground scintillation detectors of the Yakutsk array for studying extensive air showers (EAS) and performed within theQGSJET-01-d, QGSJET-II-04, SIBYLL-2.1, and EPOS-LHCmodels by employing the CORSIKA code package. The new estimate of E0 is substantially lower than its counterpart used earlier.
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Original Russian Text © A.V. Glushkov, M.I. Pravdin, A.V. Saburov, 2018, published in Yadernaya Fizika, 2018, Vol. 81, No. 5, pp. 535–542.
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Glushkov, A.V., Pravdin, M.I. & Saburov, A.V. Energy Spectrum of Ultrahigh-Energy Cosmic Rays according to Data from Ground-Based Scintillation Detectors of the Yakutsk EAS Array. Phys. Atom. Nuclei 81, 575–582 (2018). https://doi.org/10.1134/S106377881804004X
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DOI: https://doi.org/10.1134/S106377881804004X