Standard Model
The gauge theory describing known elementary particles and three fundamental interactions.
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Standard Model
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Gauge Group
The Standard Model gauge group is
It organizes the strong, weak, and electromagnetic interactions.
Matter Content
Matter fields are quarks and leptons. Quarks carry color charge and participate in the strong interaction. Leptons do not carry color charge.
Force Carriers
Gauge bosons mediate interactions: gluons for QCD, and for the weak interaction, and the photon for electromagnetism.
Complete Particle Physics
A standard introductory path through relativistic waves, symmetries, the Standard Model, and neutrino mixing.
Feynman Diagrams
Graphical bookkeeping for perturbative quantum field theory amplitudes.
Higgs Mechanism
The mechanism by which electroweak gauge bosons acquire mass through symmetry breaking.
QCD and Asymptotic Freedom
The strong interaction becomes weaker at short distances and stronger at long distances.