High-energy emission from Gamma-Ray Bursts
Date Issued
2018
Author(s)
Abstract
The number of Gamma-Ray Bursts (GRBs) detected at high energies
($\sim\,0.1-100$ GeV) has seen a rapid increase over the last decade, thanks to
observations from the Fermi-Large Area Telescope. The improved statistics and
quality of data resulted in a better characterisation of the high-energy
emission properties and in stronger constraints on theoretical models. In spite
of the many achievements and progresses, several observational properties still
represent a challenge for theoretical models, revealing how our understanding
is far from being complete. This paper reviews the main spectral and temporal
properties of $\sim\,0.1-100$ GeV emission from GRBs and summarises the most
promising theoretical models proposed to interpret the observations. Since a
boost for the understanding of GeV radiation might come from observations at
even higher energies, the present status and future prospects for observations
at very-high energies (above $\sim$ 100 GeV) are also discussed. The improved
sensitivity of upcoming facilities, coupled to theoretical predictions,
supports the concrete possibility for future ground GRB detections in the
high/very-high energy domain.
Funding(s)
Volume
27
Issue
13
Start page
1842003
Issn Identifier
0218-2718
Ads BibCode
2018IJMPD..2742003N
Rights
open.access
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