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QUANTUM CHROMODYNAMICS

A. Pich
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Abstract

These lectures provide an overview of Quantum Chromodynamics (QCD), the $SU(3)_C$ gauge theory of the strong interactions. After briefly reviewing the empirical considerations which lead to the introduction of {\it colour}, the QCD Lagrangian is discussed. The running of the strong coupling and the associated property of {\it Asymptotic Freedom} are analyzed. Some selected experimental tests and the present knowledge of $α_s$ are summarized. A short description of the QCD flavour symmetries and the {\it dynamical breaking of chiral symmetry} is also given.

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A. Pich. 1995-05-04. QUANTUM CHROMODYNAMICS. https://arxiv.org/abs/hep-ph/9505231

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