Tag Archives: meson

Physicists from the Compact Muon Solenoid (CMS) Collaboration at CERN’s Large Hadron Collider (LHC) have observed three J/ψ particles emerging from a single collision between two protons. A proton-proton collision event with six muons (red lines) produced in the decays of three J/ψ particles. Image credit: CMS / CERN. The …

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