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Cosmic-Rays and Gamma Ray Bursts

Published online by Cambridge University Press:  22 July 2013

A. Meli
A. Meli*
Affiliation:
IFPA, Institut of Astrophysics and Geophysics, University of Liège, Belgium & Web Institute of Physics;. e-mail: www.wiph.org
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Abstract

Cosmic-rays are subatomic particles of energies ranging between a few eV to hundreds ofTeV. These particles register a power-law spectrum, and it seems that most of themoriginate from astrophysical galactic and extragalactic sources. The shock acceleration insuperalfvenic astrophysical plasmas, is believed to be the main mechanism responsible forthe production of the non-thermal cosmic-rays. Especially, the importance of the very highenergy cosmic-ray acceleration, with its consequent gamma-ray radiation and neutrinoproduction in the shocks of the relativistic jets of Gamma Ray Bursts, is a favourabletheme of study. I will discuss the cosmic-ray shock acceleration mechanism particularlyfocusing on simulation studies of cosmic-ray acceleration occurring in the relativisticshocks of GRB jets.

Type
Research Article
Information
European Astronomical Society Publications Series , Volume 61: Gamma-ray Bursts: 15 Years of GRB Afterglows – Progenitors, Environments and Host Galaxies from the Nearby to the Early Universe , 2013 , pp. 663 - 665
Copyright
© EAS, EDP Sciences 2013

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