Sirunyan, A M Search for Low-Mass Quark-Antiquark Resonances Produced in Association with a Photon at sqrt[s]=13 TeV. [electronic resource] - Physical review letters Dec 2019 - 231803 p. digital Publication Type: Journal Article ISSN: 1079-7114 Standard No.: 10.1103/PhysRevLett.123.231803 doi