Tag Archives: charm

CERN Physicists Discover Four-Charm-Quark Particle   Physicists from CERN’s LHCb Collaboration have discovered a new tetraquark particle, named X(6900), composed of two charm quarks and two charm antiquarks. X(6900), a tetraquark particle composed of two charm quarks and two charm antiquarks. Image credit: CERN. Quarks are point-like elementary particles that …

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