Chiral Perturbation Theory With Applications To Some Hadronic Process

This project mainly describe the introduction to chiral perturbation theory for strongrninteraction at low energy level and deals with quantum chromodynamics and its globalrnsymmetry in the concept of chiral limit.rnThis project also describe the commutator and anti commutator of charge operators ofrnquarks in hadron spectrum. Then we will construct e ective Lagrangian for both globalrnand local symmetry and it show e ective Lagrangian is invariant under Su(3)L Su(3)Rrnsymmetry transformation.Then we calculate currents from e ective Lagrangian.rnFinally, by discussing e ective Lagrangian and weingers power counting scheme wernwill see application of quantum chromodynamics,especially pion decay

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