The Cosmic Ray All-Particles Spectrum from the NUCLEON Experiment in Comparison with Ground-Based Experiments Data

The cosmic ray all-particles spectrum is a very important result obtained by the NUCLEON space experiment. This spectrum was directly measured up to energies near 500 TeV. The ground-based experiments provide very large statistics but their results depend on applied models. The NUCLEON experiment allows comparison with results of direct measurements and data of ground-based experiments. The all-particles spectrum is presented. The shape of this spectrum differs from the power-law dependence. We show in this paper that this feature is caused by a pre-knee softening found in the rigidity spectra measured by the NUCLEON experiment. The all-particles spectrum is close to the data from ground-based experiments HAWC and TAIGA.(c) 2022 COSPAR. Published by Elsevier B.V. All rights reserved.