Ablikim, M Observation of the ψ(1 3D2) State in e+e-→π+π-γχc1 at BESIII. [electronic resource] - Physical review letters Jul 2015 - 011803 p. digital Publication Type: Journal Article ISSN: 1079-7114 Standard No.: 10.1103/PhysRevLett.115.011803 doi