QCD made simple

Aug, 2000
7 pages
Published in:
  • Phys.Today 53N8 (2000) 22-28

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Abstract: (AIP)
Quantum chromodynamics, familiarly called QCD, is the modern theory of the strong interaction. Historically its roots are in nuclear physics and the description of ordinary matter—understanding what protons and neutrons are and how they interact. Nowadays QCD is used to describe most of what goes on at high‐energy accelerators. Quantum chromodynamics is conceptually simple. Its realization in nature, however, is usually very complex. But not always.
  • introductory
  • quantum chromodynamics
  • quark: charge
  • color: symmetry
  • gluon: exchange
  • quark: confinement
  • asymptotic freedom
  • temperature: high
  • density: high
  • color: flavor
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