Beyond scalar QED radiative corrections: the $\ddot{I}{}^{\pm }-\ddot{I}{}^0$ width difference, FSR corrections and their impact on $\hat{I}”a_{\hat{I}}{¼}^{\mathrm{HVP},\mathrm{LO}}[\ddot{I}„]$

F. V. Flores-Baez, G. López Castro, Genaro Toledo

In a previous paper arXiv:0708.3256 [hep-ph] we have calculated the radiative corrections to $\ddot{I}\to \ddot{I}€\ddot{I}€$ decays, aiming to estimate the width difference between charged and neutra…