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The Symmetries of QCD

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Titel The Symmetries of QCD
Autor Sekhar Chivukula
Herausgeber Fermi National Accelerator Laboratory (Fermilab)
Erscheinungsjahr 2009
Sprache Englisch

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Fachgebiet Physik
Abstract The symmetries of a quantum field theory can be realized in a variety of ways. Symmetries can be realized explicitly, approximately, through spontaneous symmetry breaking or, via an anomaly, quantum effects can dynamically eliminate a symmetry of the theory that was present at the classical level.  Quantum Chromodynamics (QCD), the modern theory of the strong interactions, exemplify each of these possibilities. The interplay of these effects determine the spectrum of particles that we observe and, ultimately, account for 99% of the mass of ordinary matter. 

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