Elemental cosmic ray spectra reveal two populations of Galactic sources and an immediate transition to an extragalactic component after the knee

arXiv:2606.02748 · astro-ph.HE · Submitted 2026-06-01 · Read on arXiv

astro-ph.HE

Submitted: 2026-06-01

Updated: 2026-09-01

Comments: 13 pages, 11 figures, 3 tables. Joint fit added (Sect. 5); some mistakes corrected in Discussion/Conclusions

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

• Anisotropy — 8× in this paper · explained in 3 episodes
• Adam — 2× in this paper · explained in 2 episodes

Sources

• A Minimal Interpretation of the Galactic Cosmic-Ray Proton and Helium Spectra from GeV to PeV Energies
• About EAS size spectra and primary energy spectra in the knee region

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