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Evidence that the maximum electron energy in hotspots of FR II galaxies is not determined by synchrotron cooling

Abstract:

It has been suggested that relativistic shocks in extragalactic sources may accelerate the highest energy cosmic rays. The maximum energy to which cosmic rays can be accelerated depends on the structure of magnetic turbulence near the shock but recent theoretical advances indicate that relativistic shocks are probably unable to accelerate particles to energies much larger than a PeV. We study the hotspots of powerful radiogalaxies, where electrons accelerated at the termination shock emit syn...

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Publication status:
Published
Peer review status:
Peer reviewed
Version:
Accepted manuscript

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Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Astrophysics
More by this author
Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Atomic and#38; Laser Physics
More by this author
Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Astrophysics
Publisher:
Oxford University Press Publisher's website
Journal:
Monthly Notices of the Royal Astronomical Society Journal website
Publication date:
2016-05-05
URN:
uuid:46ed9426-eec4-4069-8405-8a5b52bc969d
Source identifiers:
623341
Local pid:
pubs:623341

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