The origin of ultra high energy cosmic rays
arXiv:astro-ph/0512438 · doi:10.1088/1742-6596/39/1/101
Abstract
We briefly discuss some open problems and recent developments in the investigation of the origin and propagation of ultra high energy cosmic rays (UHECRs).
Invited Review Talk at TAUP 2005 (Zaragoza - September 10-14, 2005). 7 pages
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