GeV emission from a compact binary merger

Alessio Mei, Biswajit Banerjee, Gor Oganesyan +9

An energetic ${\hat{\mathrm{I}}}^3$-ray burst (GRB), GRB 211211A, was observed on 2021 December 11 by the Neil Gehrels Swift Observatory. Despite its long duration, typically associated with bur…