Modelling of an energy spectrum of cosmic rays in the knee region

2006

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DOI 10.1088/0954-3899/32/11/018
Data confidence 70 medium
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Abstract

Energy spectra for five elemental groups (p, He, C, Si, Fe) of cosmic rays are simulated. Calculations are based on an analysis of the superposition of a few cosmic ray sources (supernovae of different types) and principles of diffusive shock acceleration. The results of the analysis in the knee region show that summarizing energy spectra for elemental mass groups of cosmic rays can have significant oscillations of the spectral index.