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Tidal disruption jets as the source of Ultra-High Energy Cosmic Rays

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arxiv 1411.0704 v1 pith:3HKBDARD submitted 2014-11-03 astro-ph.HE

Glennys R. Farrar , Tsvi Piran This is my paper · ORCID
classification astro-ph.HE
keywords energycosmicdisruptionrayssourcetidaluhecrsultra-high
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Observations of the spectacular, blazar-like tidal disruption event (TDE) candidates Swift J1644+57 and J2058+05 show that the conditions required for accelerating protons to 10^{20} eV appear to be realized in the outer jet, and possibly in the inner jet as well. Direct and indirect estimates of the rate of jetted-TDEs, and of the energy they inject, are compatible with the observed flux of ultra-high energy cosmic rays (UHECRs) and the abundance of presently contributing sources. Thus TDE-jets can be a major source of UHECRs, even compabile with a pure proton composition.

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  1. Ultra High Energy Cosmic Rays

    astro-ph.HE 2025-05 unverdicted

    A comprehensive review concluding that UHECRs are likely heavy nuclei and that accretion shocks and jets are the most promising sources, with no new experimental results.

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