High-Energy Cosmic Rays and Neutrinos from Gamma-Ray Bursts
Astrophysics, abstract
astro-ph/0506385
From: Charles Dermer [view email]
Date: Thu, 16 Jun 2005 17:37:03 GMT (135kb)
High-Energy Cosmic Rays and Neutrinos from Gamma-Ray Bursts
Authors:
C. Dermer (1) ((1) Naval Research Laboratory)
Comments: 8 pages, 4 figures, proceedings of the 4th Workshop Gamma-Ray Bursts
in the Afterglow Era, Rome,18-22 October 2004. Editors: L. Piro, L. Amati, S.
Covino, and B. Gendre. Il Nuovo Cimento, in press
A complete model for the origin of high-energy >~10^{14} eV) cosmic rays from
gamma-ray bursts (GRBs) and implications of this hypothesis are described.
Detection of high-energy neutrinos from GRBs provide an unambiguous test of the
model. Evidence for cosmic-ray acceleration in GRBs is suggested by the
detection of anomalous gamma-ray components such as that observed from GRB
941017. Neutron beta-decay halos around star-forming galaxies such as the Milky
Way are formed as a consequence of this model. Cosmic rays from GRBs in the
Galaxy are unlikely to account for the ~10^{18} eV cosmic-ray excess reported
by the Sydney University Giant Air Shower Recorder (SUGAR), but could
contribute to past extinction events.
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