CERN Physicists Discover Four-Charm-Quark Particle, Physics

Physicists from CERN’s LHCb Collaboration have discovered a new tetraquark particle, named X(6900), composed of two charm quarks and two charm antiquarks.

How the revamped Large Hadron Collider will hunt for new physics

The Last Quark ATLAS Experiment at CERN

Quarks: What are they?

Charm quark - Wikipedia

Large Hadron Collider has discovered four new particles (including surprising ones)

Observation of a four-charm-quark tetraquark

Higgs boson - Wikipedia

Hunting the Higgs boson siblings with top quarks

The Standard Model

CERN: physicists report the discovery of unique new particle

A Toy Universe to study top quarks and search for New Physics

5 Discoveries Made by the Large Hadron Collider (So Far)