Effective Lagrangian approach to multi-quark interactions
Abstract
In this workshop we have presented the results obtained in the three-flavour (Nf=3) Nambu--Jona-Lasinio model Lagrangian which includes all non-derivative vertices at NLO in the 1/Nc expansion of spin zero multi-quark interactions. In particular the role played by the explicit chiral symmetry breaking interactions has been discussed in comparison with previous model Lagrangians.
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