TY - GEN AU - Aad, G. AU - Rodríguez Chala, Mikael AU - Atlas Collaboration PY - 2023 UR - https://hdl.handle.net/10481/85939 AB - A search is made for potential cc¯c¯c tetraquarks decaying into a pair of charmonium states in the four muon final state using proton-proton collision data at √s=13  TeV, corresponding to an integrated luminosity of 140  fb−1 recorded by the ATLAS... LA - eng PB - American Physical Society TI - Observation of an Excess of Dicharmonium Events in the Four-Muon Final State with the ATLAS Detector DO - 10.1103/PhysRevLett.131.151902 ER -