High Energy Gamma-Ray Emission from Gamma-Ray Bursts - Before GLAST

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Gamma-ray bursts (GRBs) are short and intense emission of soft {gamma}-rays, which have fascinated astronomers and astrophysicists since their unexpected discovery in 1960s. The X-ray/optical/radio afterglow observations confirm the cosmological origin of GRBs, support the fireball model, and imply a long-activity of the central engine. The high-energy {gamma}-ray emission (> 20 MeV) from GRBs is particularly important because they shed some lights on the radiation mechanisms and can help us to constrain the physical processes giving rise to the early afterglows. In this work, we review observational and theoretical studies of the high-energy emission from GRBs. Special attention is given ... continued below

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Fan, Yi-Zhong & Piran, Tsvi November 29, 2011.

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Gamma-ray bursts (GRBs) are short and intense emission of soft {gamma}-rays, which have fascinated astronomers and astrophysicists since their unexpected discovery in 1960s. The X-ray/optical/radio afterglow observations confirm the cosmological origin of GRBs, support the fireball model, and imply a long-activity of the central engine. The high-energy {gamma}-ray emission (> 20 MeV) from GRBs is particularly important because they shed some lights on the radiation mechanisms and can help us to constrain the physical processes giving rise to the early afterglows. In this work, we review observational and theoretical studies of the high-energy emission from GRBs. Special attention is given to the expected high-energy emission signatures accompanying the canonical early-time X-ray afterglow that was observed by the Swift X-ray Telescope. We also discuss the detection prospect of the upcoming GLAST satellite and the current ground-based Cerenkov detectors.

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  • Journal Name: Front.Phys.China 3:306-330,2008; Journal Volume: 3; Journal Issue: 3

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  • Report No.: SLAC-PUB-14801
  • Grant Number: AC02-76SF00515
  • Office of Scientific & Technical Information Report Number: 1030531
  • Archival Resource Key: ark:/67531/metadc831854

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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  • November 29, 2011

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  • May 19, 2016, 3:16 p.m.

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  • Dec. 5, 2016, 7:29 p.m.

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Fan, Yi-Zhong & Piran, Tsvi. High Energy Gamma-Ray Emission from Gamma-Ray Bursts - Before GLAST, article, November 29, 2011; United States. (digital.library.unt.edu/ark:/67531/metadc831854/: accessed November 17, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.