EUROPEAN ORGANIZATION FOR NUCLEAR RESEARCH CERN Geneva, Switzerland Czech Technical University...
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perturbative QCD: L QCD (q,g) interaction „weak“ (asympt. freedom): expansion in coupling Check only L sym chiral sym. & break: L eff (GB: ,K, ) interaction „strong“ (confinement) - but: expansion in energy Check L sym as well as L break-sym q-condensate QFD QCD QED Standard Model Q>>Q