CERN - Twice the #Charm, #Discovery of a new #exotic #Hadron containing two charm #Quarks and an up and a down #AntiQuark:
#CERN #Quark #ParticlePhysics #Physics #LHC #LargeHadronCollider #LHCb #Tetraquark #Mesons #Baryons #QuantumNumbers #QuantumPhysics