KnowraHadronHadronA subatomic particle made of quarks bound by the strong interaction. Hadrons include baryons and mesons.BriefConnectQuark: An elementary fermion that carries color charge and participates in the strong interaction. Quarks are the constituents whose combinations form hadrons.Baryon: A hadron composed of three quarks, or three antiquarks in an antibaryon. Baryons form one principal family of hadrons, including protons and neutrons.Hadronization: The process by which quarks and gluons produced in high-energy reactions become hadrons. Hadronization describes how isolated energetic partons yield observable hadrons.Large Hadron Collider: A particle accelerator at CERN that collides protons and heavy ions at high energies. Its collisions produce and study hadrons across a wide range of energies.Pentaquark: A hadron containing four quarks and one antiquark. Observed pentaquark candidates challenge the simplest three-quark picture of baryons.Gluon: An elementary gauge boson that mediates the strong interaction between color-charged particles. Gluons transmit the strong force binding quarks inside hadrons.Meson: A hadron composed of a quark and an antiquark. Mesons are the other principal family, with integer spin.Chiral symmetry breaking: The dynamical loss of an approximate symmetry of massless quarks in the strong interaction. It helps explain why light hadrons have masses far above their quark-mass contributions.Hadron therapy: Radiation therapy using protons or heavier ions to deliver dose to tumors. It uses the energy-loss profile of charged hadrons to target cancer tissue.Hybrid meson: A meson-like state whose structure includes a quark, an antiquark, and excited gluonic fields. Hybrid candidates probe how gluons contribute directly to hadron states.Show all 28Linked from 30 pagesStrong interactionBroader topic: Hadrons are the confined states in which quarks are observed.Masahiro SakuraiRelated: His work examined the patterns and symmetries found among these strongly interacting particles.Quark modelNarrower topic: Hadrons are the broader class whose regularities the quark model organizes.Elementary particleCompared with: Hadrons such as protons are not elementary, though their quarks are.Subatomic particleBroader topic: Hadrons illustrate how subatomic particles can be composites rather than elementary objects.Baryon numberNarrower topic: Baryons are one class of hadron, distinguished from mesons by their quark content.Hadron eraBroader topic: Hadrons became the dominant matter particles after the quark epoch.KaonNarrower topic: Kaons are hadrons whose strong interactions bind their valence quarks.Show all 30