NLO QED corrections to ISR in e+ e- annihilation and the measurement of σ(e+ e- \to hadrons) using tagged photons

German Rodrigo, Aude Gehrmann-De Ridder, Marc Guilleaume +1

The leptonic tensor for the process $e^{+}{e}^{-}\to \gamma +{\gamma }^{\ast }$, which describes the next-to-leading order virtual and soft QED corrections to initial state radiation in $e^{+}{e}^{-}$ annihila…