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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… Click to show full 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.
Keywords:
relativistic shocks;
acceleration;
ray acceleration;
cosmic ray;
acceleration relativistic;
shocks limits
Journal Title: Monthly Notices of the Royal Astronomical Society
Year Published: 2018
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Journal Title: Monthly Notices of the Royal Astronomical Society
Year Published: 2018
Link to full text (if available)
Share on Social Media: Sign Up to like & get
recommendations!