An Effective Chiral Meson Lagrangian at $O(P^6)$ from the NJL Model

Details An Effective Chiral Meson Lagrangian at $O(P^6)$ from the NJL Model An Effective Chiral Meson Lagrangian at $O(P^6)$ from the NJL Model

1994-08-25

arxiv.org/abs/hep-ph/9408368v1

Acta Phys.Slov. 45 (1995) 121

Physics

High Energy Physics

High Energy Physics - Phenomenology

20 pages

Scientific paper

In this work we present a strong chiral meson Lagrangian up to and including $O(p^6)$ in the momentum expansion. It is derived from the Nambu--Jona-Lasinio (NJL) model using the heat-kernel method. Identities related to the properties of covariant derivatives of the chiral matrix $U$ as well as field transformations have been used to obtain a minimal set of linearly independent terms.

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