Evidence for Two Excited ${\Omega }^{-}$ Hyperons

BESIII Collaboration, M. Ablikim, M. N. Achasov +655

Using $e^{+}{e}^{-}$ collision data corresponding to an integrated luminosity of 19,fb${}^{-1}$ collected by the BESIII detector at center-of-mass energies ranging from 4.13 to 4.70,GeV, w…