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Cosmic ray acceleration by relativistic shocks: Limits and estimates

Abstract:
We examine limits to the energy to which cosmic rays can be accelerated by relativistic shocks, showing that acceleration of light ions as high as 100 EeV is unlikely. The implication of our estimates is that if ultra-high energy cosmic rays are accelerated by shocks, then those shocks are probably not relativistic.
Publication status:
Published
Peer review status:
Peer reviewed
Version:
Accepted manuscript

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Publisher copy:
10.1093/mnras/stx2485

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Institution:
University of Oxford
Division:
MPLS Division
Department:
Physics, Astrophysics
Role:
Author
More by this author
Institution:
University of Oxford
Division:
MPLS Division
Department:
Physics, Astrophysics
Role:
Author
Publisher:
Oxford University Press Publisher's website
Journal:
Monthly Notices of the Royal Astronomical Society Journal website
Publication date:
2017-09-05
DOI:
EISSN:
1365-2966
ISSN:
0035-8711
Pubs id:
pubs:730836
URN:
uri:026ffd4b-eadd-4fb7-a3a7-d0ca12973291
UUID:
uuid:026ffd4b-eadd-4fb7-a3a7-d0ca12973291
Local pid:
pubs:730836

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