Observation of $e^{+}{e}^{-}\to \eta Y(2175)$ at center-of-mass energies above 3.7$\sim$GeV

M. Ablikim, M. N. Achasov, S. Ahmed +426

The state $Y(2175)$ is observed in the process $e^{+}{e}^{-}\to \eta Y(2175)$ at center-of-mass energies between 3.7 and 4.6$\sim$GeV with a statistical significance larger than $10\sigma$ usin…