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astro-ph2000
Theoretical and Experimental Topics on Ultra High Energy Cosmic Rays
A. Letessier-Selvon
Since their first observation in 1962, the existence of Ultra High Energy Cosmic Rays (UHECR) remains a mystery in modern astrophysics. Those cosmic rays, with energies well above…
astro-ph2000
Note on the Origin of the Highest Energy Cosmic Rays
Pierre Billoir, Antoine Letessier-Selvon
In this note we argue that the galactic model chosen by E.-J. Ahn, G. Medina-Tanco, P.L. Bierman and T. Stanev in their paper discussing the origin of the highest energy cosmic ray…