TeV Signatures of Compact UHECR Accelerators

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ID: 271182
2005
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Abstract
We numerically study particle acceleration by the electric field induced near the horizon of a rotating supermassive (M ∼ 109–1010 M ⊙) black hole embedded in the magnetic field B. We find that acceleration of protons to the energy E ∼ 1020 eV is possible only at extreme values of M and B. We also find that the acceleration is very inefficient and is accompanied by a broad-band MeV-TeV radiation whose total power exceeds the total power emitted in ultrahigh energy cosmic rays (UHECRs) at least by a factor of 1000. This implies that if O(10) nearby quasar remnants were sources of proton events with an energy E > 1020 eV, then each quasar remnant would, e.g., overshine the Crab Nebula by more than two orders of magnitude in the TeV energy band. Recent TeV observations exclude this possibility. A model in which O(100) sources are situated at 100–1000 Mpc is not ruled out and can be experimentally tested by present TeV γ-ray telescopes. Such a model can explain the observed UHECR flux at moderate energies E ≈ (4–5) 1019 eV.
Reference Key
tkachev2005journaltev Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors A. Neronov,P. Tinyakov,I. Tkachev;A. Neronov;P. Tinyakov;I. Tkachev;
Journal journal of experimental and theoretical physics
Year 2005
DOI
10.1134/1.1926427
URL
https://sciprofiles.com/publication/view/a082e8b9aee2dc51cee3138313a8e4b6
Keywords
quantum mechanics magnetic field magnetic fields electric field black hole electric fields cosmic ray particle acceleration quasars extreme value black holes

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