Jet breaks at the end of the slow decline phase of<i>Swift</i>GRB light curves
Jet breaks at the end of the slow decline phase of<i>Swift</i>GRB light curves
The Swift mission has discovered an intriguing feature of Gamma-Ray Burst (GRBs) afterglows, a phase of shallow decline of the flux in the X-ray and optical lightcurves. This behaviour is typically attributed to energy injection into the burst ejecta. At some point this phase ends, resulting in a break in …