New high-statistics measurement of the $\ddot{I}{€}^0\to e^{+}{e}^{-}{\hat{I}}^3$ Dalitz decay at the Mainz Microtron

S. Prakhov, L. Heijkenskjöld, S. Abt +69

The Dalitz decay $\ddot{I}{€}^0\to e^{+}{e}^{-}{\hat{I}}^3$ has been measured with the highest statistical accuracy obtained so far in the ${\hat{I}}^{3}p\to \ddot{I}{€}^{0}p$ reaction with the A2 tagged-photon facility at t…