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arxiv: 1309.0771 · v2 · pith:LF564T7Gnew · submitted 2013-09-03 · 🌌 astro-ph.HE

Gamma-ray burst models with general dynamics and fits to Fermi LAT bursts

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keywords arisesaroundburstsemissiongamma-raygeneralmodelphotospheric
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We present a dissipative photospheric model for gamma-ray bursts where the usual Band peak around MeV energies arises as synchrotron emission from around the photosphere. We treat the initial acceleration in a general way and the GeV emission arises as the interaction of photospheric radiation and the shocked electrons at the deceleration radius. We show some applications of this model.

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