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Cosmic-ray propagation in the turbulent intergalactic medium

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arxiv 1811.03062 v1 pith:OIAAV5YX submitted 2018-11-07 astro-ph.HE

Cosmic-ray propagation in the turbulent intergalactic medium

classification astro-ph.HE
keywords propagationfieldsmagneticcosmichigh-energyraysballisticclusters
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Cosmic rays (CRs) may be used to infer properties of intervening cosmic magnetic fields. Conversely, understanding the effects of magnetic fields on the propagation of high-energy CRs is crucial to elucidate their origin. In the present work we investigate the role of intracluster magnetic fields on the propagation of CRs with energies between $10^{16}$ and $10^{18.5}$ eV. We look for possible signatures of a transition in the CR propagation regime, from diffusive to ballistic. Finally, we discuss the consequences of the confinement of high-energy CRs in clusters and superclusters for the production of gamma rays and neutrinos.

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