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A new kink in proton spectrum to enhance our knowledge of cosmic ray origin
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A new kink in proton spectrum to enhance our knowledge of cosmic ray origin

The GRAPES-3 experiment in Ooty‚ India‚ operated by the Tata Institute of Fundamental Research has discovered a new feature in the cosmic-ray proton spectrum at about 166 tera-electron-volt (TeV) energy while measuring the spectrum spanning from 50 TeV to a little over 1 peta-electron-volt (PeV). The observed feature suggests a potential re-evaluation of our understanding of cosmic-ray sources‚ acceleration mechanisms‚ and their propagation within our galaxy.
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