Abstract
Standard models of cosmic-ray origin link the space accelerators of our Galaxy to the supernova remnants (SNRs)—expanding shells driven by very fast blast waves, usually with gamma-ray pulsars near the morphological center. Energy spectra of fully stripped ions with charges from Z = 1 to Z = 26 can provide clues to the validity of the standard model. Unfortunately, smeared data from the extensive air shower experiments do not provide enough information for such ion spectroscopy. Nonetheless, the measurement of energy spectra of two or three broad mass groups (so-called light, intermediate, and heavy) will allow us to prove or disprove the rigidity-dependent acceleration. Recently, using multidimensional classification methods, the all-particle spectra from the MAKET-ANI experiment on Mount Aragats, in Armenia, was categorized into two distinct primary mass groups. We present, for the first time, the light and heavy nuclei spectra from the MAKET-ANI experiment.
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