${{\mathit \psi}{(4660)}}$ $\rightarrow$ ${{\mathit e}^{+}}{{\mathit e}^{-}}$
INSPIRE search
M189G01
M189R10
M189R18
M189G02
M189R08
M189G03
M189R09
M189R00
M189R04
M189R14
M189R19
M189R17
M189R11
M189R13
M189R15
M189R16
M189R20
M189R02
M189R03
M189G1