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The strongly coupled regime of QCD where quarks and gluons are confined and hadrons are the useful degrees of freedom.
wp-physics-quantum_chromodynamicspdg-qcdpdg-quark-modelEach relation below ends at this concept.
This is an authored directed relation from the source endpoint to the target endpoint.
Low-energy QCD is the confined, nonperturbative regime of the theory.
A more specific theory, model, entity class, or regime is obtained by restricting or extending the scope of a broader framework.
wp-physics-quantum_chromodynamicspdg-qcdnlab-physics-quantum_chromodynamicsEach relation below starts at this concept.
This is an authored directed relation from the source endpoint to the target endpoint.
Hadrons are the observable composite excitations of low-energy confined QCD.
The target is a collective, organizational, or scale-dependent phenomenon of the source constituents and interactions; it is not a mere list or classical sum of constituents.
wp-physics-hadronnlab-physics-hadronwp-physics-quantum_chromodynamicspdg-qcd