paper

COSMOLOGICAL GAMMA RAY BURSTS AND THE HIGHEST ENERGY COSMIC RAYS

arXiv:astro-ph/9505082 · doi:10.1103/PhysRevLett.75.386

Abstract

We discuss a scenario in which the highest energy cosmic rays (CR's) and cosmological -ray bursts (GRB's) have a common origin. This scenario is consistent with the observed CR flux above , provided that each burst produces similar energies in -rays and in CR's above . Protons may be accelerated by Fermi's mechanism to energies in a dissipative, ultra-relativistic wind, with luminosity and Lorentz factor high enough to produce a GRB. For a homogeneous GRB distribution, this scenario predicts an isotropic, time-independent CR flux.

Phys. Rev. Lett. in press (Received: March 22, 1995; Accepted: May 17, 1995)

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