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Article

QCD Made Simple

AUG 01, 2000
Quantum chromodynamics is conceptually simple. Its realization in nature, however, is usually very complex. But not always.
Frank Wilczek

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.

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More about the authors

Frank Wilczek, Institute for Advanced Study, Princeton, New Jersey.

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This Content Appeared In
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Volume 53, Number 8

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