PRESENT STATUS OF CHIRAL PERTURBATION THEORY
2005 ◽
Vol 20
(08n09)
◽
pp. 1613-1618
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Keyword(s):
Large N
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The basic ideas and methods of chiral perturbation theory are briefly reviewed. I discuss the recent attempts to build an effective Lagrangian in the resonance region and summarize the known large–NC constraints on the low-energy chiral couplings.