Chiral Lagrangians and Nambu-Jona-Lasinio like models

Details Chiral Lagrangians and Nambu-Jona-Lasinio like models Chiral Lagrangians and Nambu-Jona-Lasinio like models

1995-02-17

arxiv.org/abs/hep-ph/9502335v1

Phys.Rept. 265 (1996) 369-446

Physics

High Energy Physics

High Energy Physics - Phenomenology

LaTex, 85 pages, 15 figures (included), uses epsf.sty, review article

Scientific paper

We discuss the low-energy analysis of models involving quarks and four-fermion couplings. The relation with QCD and with other models of mesons and meson plus quarks at low energies is discussed. A short description of how the heat-kernel expansion can be used to get regularization independent information, is given. The anomaly within this class of models and a physical prescription to obtain the correct flavour anomaly while keeping as much of the VMD aspects as possible is discussed. The major part is the discussion within this framework of the order $p^4$ action and of two and some three-point functions to all orders in momenta and quark masses. Some results on hadronic matrix elements are given.

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