2013•arXiv (Cornell University)Open access

Gamma-ray Burst Theory in the Fermi Era

D. Guetta

Abstract

The Large Area Telescope (LAT) on-board the Fermi satellite detected emission above 20 MeV only in a small fraction of the long gamma-ray bursts (GRBs) detected by the Fermi Gamma-ray Burst Monitor (GBM) at 8 keV-40 MeV. Those bursts that were detected by the LAT were among the brightest GBM bursts. The emission detected by LAT seerms to be delayed respect to the one detected by the GBM. In this review I will show the main implications of these LAT observations on the GRB models and discuss the importance of a synergy between Fermi and other telescopes.

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Key concepts: Fermi Gamma-ray Space Telescope, Physics, Astrophysics, Political science