Search for the $Y(4140)$ via $e^{+}{e}^{-}\to \gamma \varphi J/\psi$ at $\sqrt{s}=$ 4.23, 4.26 and 4.36 GeV

M. Ablikim, M. N. Achasov, X. C. Ai +402

Using data samples collected at center-of-mass energies $\sqrt{s}=4.23$, 4.26, and 4.36 GeV with the BESIII detector operating at the BEPCII storage ring, we search for the produ…