TOA (modulated) fluxes (times ) as a function of the kinetic energy per nucleon, for primary species from C to Fe. The symbols are black circles for HEAO-3 (Engelmann et al. 1990), red squares for TRACER (Ave et al. 2008) and blue triangles for CREAM-II (Ahn et al. 2009). The curves correspond (for the four models of Table 2) to the best-fit spectra obtained by a fit on the HEAO-3 data only.
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