The origin of the prompt GRB spectrum

1); 1) ((1) Institut d'Astrophysique de Paris; (2) CEA Saclay; (2) Laboratoire d'Astrophysique de Grenoble); DSM/IRFU/Service d'Astrophysique; F. Daigne (1); G. Dubus (3; Z. Bosnjak (2

arxiv: 0912.3743 · v1 · submitted 2009-12-18 · 🌌 astro-ph.HE · astro-ph.CO

The origin of the prompt GRB spectrum

F. Daigne (1) , Z. Bosnjak (2 , 1) , G. Dubus (3 , 1) ((1) Institut d'Astrophysique de Paris , (2) CEA Saclay , DSM/IRFU/Service d'Astrophysique , (2) Laboratoire d'Astrophysique de Grenoble) This is my paper

classification 🌌 astro-ph.HE astro-ph.CO

keywords originpromptsomeburstsdetaileddiscussdominantemission

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Using a detailed model of the internal shock phase, we discuss the origin of the prompt emission in gamma-ray bursts. We focus on the identification of the dominant radiative process (Fermi-GBM range) and propose an explanation for some features observed by Fermi-LAT at high energy in some GRB lightcurves.

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The origin of the prompt GRB spectrum

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