TY  - GEN

T1  - Observation of an excess of di-charmonium events in the four-muon final
  state with the ATLAS detector

UR  - http://dx.doi.org/10.1103/PhysRevLett.131.151902

PY  - 2023/04/18

AU  - Collaboration ATLAS

ED  - 

Y2  - 2025/11/20

ER  -