The primary cosmic-ray energy spectrum measured with the Tunka-133 array
Abstract
The EAS Cherenkov light array Tunka-133, with 3 km2 geometric area, is taking data since 2009.The array permits a detailed study of energy spectrum and mass composition of cosmic rays in the energy range from 6· 1015 to 1018 eV. We describe the methods of time and amplitude calibration of the array and the methods of EAS parameters reconstruction. We present the all-particle energy spectrum, based on 7 seasons of operation.
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