Cosmic-ray tracing

Active galactic nuclei are firm favourites to be revealed as the source of cosmic rays, but solid evidence has proven elusive. A model taking both local and global nuclei propagation into account may help to close the deal.

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Fig. 1: The two-step propagation scenario for the generation of cosmic rays from an active galactic nucleus located in a cluster (not to scale).


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Correspondence to Julia Becker Tjus.

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Becker Tjus, J. Cosmic-ray tracing. Nature Phys 14, 333–334 (2018).

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