An Explanation of GRB Fermi-LAT Flares and High-Energy Photons in Stratified Afterglows

Nissim Fraija, Boris Betancourt Kamenetskaia, Antonio Galván-Gámez +6

The second {\itshape Fermi}/LAT gamma-ray burst (GRB) catalog (2FLGC) spanning the first decade of operations by the LAT collaboration was recently released. The closure relations…