On external shock model to explain the high-energy emission: GRB 940217, GRB 941017 and GRB 970217AFraija, N., González, M. M., Ramirez, J. L. ORCID: https://orcid.org/0000-0001-7666-7440, Sacahui, R. and Lee, W. H. (2012) On external shock model to explain the high-energy emission: GRB 940217, GRB 941017 and GRB 970217A. AIP conference proceedings, 1505. 681. ISSN 0094-243X Full text not archived in this repository. It is advisable to refer to the publisher's version if you intend to cite from this work. See Guidance on citing. To link to this item DOI: 10.1063/1.4772351 Abstract/SummaryWe present a leptonic model on the external shock context to describe the high-energy emission of GRB 940217, GRB 941017 and GRB 970217A. We argue that the emission consists of two components, one with a similar duration of the burst, and a second, longer-lasting GeV phase lasting hundred of seconds after the prompt phase. Both components can be described as synchrotron self-Compton emission from a reverse and forward shock respectively. For the reverse shock, we analyze the synchrotron self-Compton in the thick-shell case. The calculated fluxes and break energies are all consistent with the observed values.
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