Energy Spectrum and Mass Composition of Cosmic Rays from the Data of the Astrophysical Complex TAIGA
Bulletin of the Russian Academy of Sciences Physics(2023)
摘要
The corrected dependence of the mean depth of the EAS maximum X_{max}Xmax on the energy was obtained from the data of the Tunka-133 array for 7 years and the TAIGA-HiSCORE array for 2 years. The parameter \langle\ln A\rangle⟩lnA⟪, characterizing the mean mass compositon was derived from these results. The differential energy spectrum of primary cosmic rays in the energy range of 2\cdot 10^{14}2⋅1014 – 2\cdot 10^{16}2⋅1016 eV was reconstructed using the new parameter Q_{100}Q100 the Cherenkov light flux at the core distance 100 m. Change of the parameter for the energy reconstuction for the TAIGA-HiSCORE from Q_{200}Q200 to Q_{100}Q100 provides a decreasing energy threshold for the spectrum to about 200 TeV.
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关键词
primary cosmic rays,energy spectrum,mass composition,extensive air showers,Cherenkov light
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