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Cosmic-ray diffusion near the Bohm limit in the Cassiopeia A supernova remnant

Stage, M. D.; Allen, G. E.; Houck, J. C. +1 more

The acceleration of cosmic rays in our Galaxy by means of diffusive shock (Fermi) acceleration is believed to occur primarily in supernova remnants (SNRs). Despite considerable theoretical work, the precise details are still unknown, in part because of the difficulty in directly observing nucleons that are accelerated to TeV energies in-and affect…