High energy cosmic-rays from gamma-ray burst sources: A stronger case
arXiv:astro-ph/0210638 · doi:10.1086/383116
Abstract
The suggested association between the sources of gamma-ray bursts (GRB's) and the sources of ultra-high energy cosmic rays (UHECR's) is based on two arguments: (i) The average energy generation rate of UHECR's is similar to the gamma-ray generation rate of GRB's, and (ii) The constraints that UHECR sources must satisfy to allow proton acceleration to >10^{20} eV are similar to those inferred for GRB sources from gamma-ray observations. We show that recent GRB and UHECR observations strengthen both arguments, and hence strengthen the suggested association.
Arguments strengthened by the inclusion of updated constraints on GRB rate and model parameters, based on new afterglow data and analysis. Accepted to ApJ
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