Chiral Effective Field Theory in the Delta-resonance region

Details Chiral Effective Field Theory in the Delta-resonance region Chiral Effective Field Theory in the Delta-resonance region

2006-12-22

arxiv.org/abs/hep-ph/0612303v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

12 pages, 7 figs; plenary contribution to Chiral Dynamics 2006

Scientific paper

I discuss the problem of constructing an effective low-energy theory in the vicinity of a resonance or a bound state. The focus is on the example of the $\Delta(1232)$, the lightest resonance in the nucleon sector. Recent developments of the chiral effective-field theory in the $\Delta$-resonance region are briefly reviewed. I conclude with a comment on the merits of the manifestly covariant formulation of chiral EFT in the baryon sector.

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