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|Title:||High-energy emission from Gamma-Ray Bursts||Authors:||Nava, Lara||Issue Date:||2018||Journal:||INTERNATIONAL JOURNAL OF MODERN PHYSICS D||Number:||27||Issue:||13||First Page:||1842003||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.||URI:||http://hdl.handle.net/20.500.12386/27914||URL:||http://arxiv.org/abs/1804.01524v1
|Appears in Collections:||1.01 Articoli in rivista|
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