QCD Low Energy hadron Phenomena Difficulty QCD Strong

QCD Low Energy hadron Phenomena

☆ Difficulty ? QCD ・・・ Strong Coupling Gauge Theory αs Asymptotic freedom E

☆ QCD → Effective Field Theories Chiral Symmetry αs Effective Field Theory based on chiral symmetry E

Outline 1. Introduction 2. Spontaneous Symmetry Breaking and Effective Field Theory 3. Chiral Perturbation Theory 4. Hidden Local Symmetry (HLS) 5. Heavy Meson Chiral Lagrangian --------------------------6. Electroweak Chiral Lagrangian