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What is the term for the mathematical framework used in QCD?

  • Gauge theory

  • String theory

  • Loop quantum gravity

  • Supersymmetry

Answer

Gauge theory is the mathematical framework used in quantum chromodynamics (QCD), Theory that describes the strong nuclear force. Gauge theories are based on the idea that physical laws are the same for all observers, regardless of their motion. In QCD, the gauge group is SU(3), which means that Theory has three types of gluons, the particles that mediate the strong force.
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