Improved Standard-Model prediction for ${\pi }^0\to e^{+}{e}^{-}$

Martin Hoferichter, Bai-Long Hoid, Bastian Kubis +1

We present an improved Standard-Model (SM) prediction for the dilepton decay of the neutral pion. The loop amplitude is determined by the pion transition form factor for $π^0\toγ^*…