Search for the process ${\mathbf{e}}^{+}{\mathbf{e}}^{-}\to \eta$

M. N. Achasov, A. Yu. Barnyakov, K. I. Beloborodov +36

A search for the rare decay $\eta \to e^{+}{e}^{-}$ is performed using the inverse process $e^{+}{e}^{-}\to \eta$ in the decay mode $\eta \to {\pi }^0{\pi }^0{\pi }^0$. We analyze data with an integrat…