Massive Spin-1 Field Chiral Lagrangian from an Extended Nambu-Jona-Lasinio Model of QCD
Joaquim Prades
Abstract
We present a calculation of the coupling constants in the massive spin-1 field chiral Lagrangian to chiral O(p3) in the context of an extended Nambu--Jona-Lasinio cut-off model. Phenomenological applications of this Lagrangian to anomalous and non-anomalous low-energy hadronic transitions involving spin-1 particles are also discussed.
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