| Article | |
| Report number | arXiv:0709.4307 |
| Title | The rapid decline of the prompt emission in Gamma-Ray Bursts |
| Author(s) | Dado, Shlomo (Technion) ; Dar, Arnon (Technion) ; De Rújula, Alvaro (CERN) |
| Publication | 2008 |
| Imprint | 28 Sep 2007 |
| Number of pages | mult. |
| In: | Astrophys. J. 681 (2008) 1408-1418 |
| DOI | 10.1086/587952 |
| Subject category | Astrophysics and Astronomy |
| Abstract | Many gamma ray bursts (GRBs) have been observed with the Burst-Alert and X-Ray telescopes of the SWIFT satellite. The successive `pulses' of these GRBs end with a fast decline and a fast spectral softening, until they are overtaken by another pulse, or the last pulse's decline is overtaken by a less rapidly-varying `afterglow'. The fast decline-phase has been attributed, in the standard fireball model of GRBs, to `high-latitude' synchrotron emission from a collision of two conical shells. This interpretation does not agree with the observed spectral softening. The temporal behaviour and the spectral evolution during the fast-decline phase agree with the predictions of the cannonball model of GRBs. |
Corresponding record in: Inspire
记录创建於2007-09-28，最後更新在2018-09-24
