Effective chiral Lagrangian from dual resonance models
- Petersburg Nuclear Physics Institute, Gatchina 188350, St. Petersburg (Russia)
- Institute of Physics, St. Petersburg University, 198904 St. Petersburg (Russia)
The parameters of the effective chiral Lagrangian (EChL) of order {ital O}({ital p}{sup 4}) and {ital O}({ital p}{sup 6}) are extracted from the low-energy behavior of dual resonance models for {pi}{pi} and {pi}{ital K} scattering amplitudes. We discuss the dual resonance models in the presence of spontaneous and explicit chiral symmetry breaking. The obtained parameters of the EChL are used to estimate chiral corrections up to sixth order to various low-energy characteristics of {pi}{pi} and {pi}{ital K} scattering amplitudes. {copyright} {ital 1996 The American Physical Society.}
- OSTI ID:
- 285808
- Journal Information:
- Physical Review, D, Journal Name: Physical Review, D Journal Issue: 1 Vol. 54; ISSN PRVDAQ; ISSN 0556-2821
- Country of Publication:
- United States
- Language:
- English
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