Energy Spectrum of Ultrahigh-Energy Cosmic Rays according to Data from Ground-Based Scintillation Detectors of the Yakutsk EAS Array

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作者：
A. V. Glushkov
M. I. Pravdin
A. V. Saburov
机构：
[1] Russian Academy of Sciences,Shafer Institute of Cosmophysical Research and Aeronomy, Siberian Branch
来源：
Physics of Atomic Nuclei | 2018年 / 81卷
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摘要：
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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页码：575 / 582
页数：7
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