PROMISING DATA. “CR protons and nuclei. Accurate, recent measurements of the most abundant CR species, such as protons and helium have recently revealed new and unexpected features in their energy spectra, that may shed new light on the acceleration and propagation mechanisms of CRs in the Galaxy.” (CR = cosmic ray).
https://link.springer.com/content/pdf/10.1007/s10686-021-09708-w.pdf