Ultra High Energy Cosmic Rays and the Highest Energies Universe
arXiv:1905.08250 · doi:10.1088/1742-6596/1586/1/012040
Abstract
We will discuss the main relevant aspects of the physics of ultra high energy cosmic rays. After a short recap of the experimental evidences, we will review theoretical models aiming at describing the sources of these extremely energetic particles opening a window on the highest energies universe. We will discuss the production of secondary particles and the possible tests of new physics that ultra high energy cosmic rays could provide.
8 pages, 8 pdf figures, invited review talk given at the 6th Symposium on Prospects in the Physics of Discrete Symmetries, DISCRETE 2018, Austrian Academy of Sciences, Vienna, November 26-30 2018. The present proceedings paper is mainly based on the review papers: arXiv:1707.08471 and arXiv:1707.06147 written by the author in the last three years. arXiv admin note: text overlap with arXiv:1812.10750, arXiv:1707.06188
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