Study of the proccess $e^{+}{e}^{-}\to \ddot{I}{€}^{+}\ddot{I}{€}^{-}\ddot{I}{€}^0\ddot{I}{€}^0\hat{I}\cdot$ in the c.m. energy range 1.6--2.0 GeV with the CMD-3 detector

R. R. Akhmetshin, A. N. Amirkhanov, A. V. Anisenkova +52

The paper reports a measurement of the e⁺e⁻ → π⁺π⁻π⁰π⁰η cross section between 1.6 and 2.0 GeV using the CMD-3 detector, finding about 6300 signal events and a systematic uncertaint…