Baryon Chiral Perturbation Theory up to Next-to-Leading Order

Details Baryon Chiral Perturbation Theory up to Next-to-Leading Order Baryon Chiral Perturbation Theory up to Next-to-Leading Order

1994-12-22

arxiv.org/abs/hep-ph/9412354v1

Phys.Rev. D51 (1995) 6308-6317

Physics

High Energy Physics

High Energy Physics - Phenomenology

9 pages LaTeX. Requires REVTeX macro package. No figures

Scientific paper

10.1103/PhysRevD.51.6308

We examine the general lagrangian for baryon chiral perturbation theory with SU(3) flavor symmetry, up to the next-to-leading order. We consider both the strong and the weak interaction. The inverse of the baryon mass is treated as an additional small expansion parameter, and heavy fermion effective field theory techniques are employed to provide a consistent expansion scheme. A detailed account is given on the restrictions imposed on the lagrangian by the various symmetries. Corrections due to the finite baryon mass are also discussed.

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