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Journal article

Cosmic ray acceleration to ultrahigh energy in radio galaxies

Abstract:

The origin of ultrahigh energy cosmic rays (UHECRs) is an open question. In this proceeding, we first review the general physical requirements that a source must meet for acceleration to 10-100 EeV, including the consideration that the shock is not highly relativistic. We show that shocks in the backflows of radio galaxies can meet these requirements. We discuss a model in which giant-lobed radio galaxies such as Centaurus A and Fornax A act as slowly-leaking UHECR reservoirs, with the UHECRs...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1051/epjconf/201921004002

Authors


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Institution:
University of Oxford
Division:
MPLS Division
Department:
Physics
Sub department:
Astrophysics
Department:
ASTROPHYSICS
Role:
Author
ORCID:
0000-0002-3493-7737
More by this author
Institution:
University of Oxford
Division:
MPLS Division
Department:
Physics
Role:
Author
More by this author
Institution:
University of Oxford
Division:
MPLS Division
Department:
Physics
Sub department:
Astrophysics
Role:
Author
Publisher:
EDP Sciences Publisher's website
Journal:
EPJ Web of Conferences Journal website
Volume:
210
Article number:
04002
Publication date:
2019-05-17
Acceptance date:
2019-05-17
DOI:
EISSN:
2100-014X
Source identifiers:
979931
Keywords:
Pubs id:
pubs:979931
UUID:
uuid:8a8279e3-a86f-4420-bff8-978661d1ead6
Local pid:
pubs:979931
Deposit date:
2019-06-20

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