Amplitude Analysis of High Statistics Results on $\gamma \gamma \to {\pi }^{+}{\pi }^{-}$ and the Two Photon Width of Isoscalar States

M. R. Pennington, T. Mori, S. Uehara +1

We perform an Amplitude Analysis of the world published data on $\gamma \gamma \to {\pi }^{+}{\pi }^{-}$ and ${\pi }^0{\pi }^0$. These are dominated in statistics by the recently published results from Belle on the ch…