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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

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Publisher copy:
10.1093/mnras/stx2485

Authors


More by this author
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
Journal:
Monthly Notices of the Royal Astronomical Society More from this journal
Publication date:
2017-09-01
DOI:
EISSN:
1365-2966
ISSN:
0035-8711


Keywords:
Pubs id:
pubs:730836
UUID:
uuid:026ffd4b-eadd-4fb7-a3a7-d0ca12973291
Local pid:
pubs:730836
Source identifiers:
730836
Deposit date:
2017-10-09

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