Low-energy $e^{+}{e}^{-}\to \gamma \gamma$ at NNLO in QED

Tim Engel, Marco Rocco, Adrian Signer +1

We present a fully differential computation of $e^{+}{e}^{-}\to \gamma \gamma$ at next-to-next-to-leading order in QED. The process has been implemented into McMule, completing its set of next-t…