Hadron
Matter particle consisting of quarks or antiquarks. Hadrons are divided into mesons, composed of a quark and an antiquark, and baryons, composed of three quarks or three antiquarks.
 
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  • Baryon - Text by M. Alan Kazlev
    Subatomic particles such as protons, neutrons, and mesons, which are composed of quarks and subject to the strong nuclear force. Compare with leptons.
  • Meson - Text by M. Alan Kazlev
    Particles composed of a quark and an antiquark; the lowest mass mesons (the pi and K mesons) have masses intermediate between leptons and baryons. All mesons are unstable.
  • Quark - Text by M. Alan Kazlev
    The fundamental particles of hadronic matter such as protons, neutrons and mesons. There exist six 'flavors' of quarks: up, down, strange, charm, top and bottom. They are confined to hadrons by the strong force.
 
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Development Notes
Text by Anders Sandberg

Initially published on 07 November 2001.