Chiral expansion of the nucleon mass to order q^6

Details Chiral expansion of the nucleon mass to order q^6 Chiral expansion of the nucleon mass to order q^6

2006-12-13

arxiv.org/abs/hep-ph/0612164v1

Phys.Lett.B649:390-393,2007

Physics

High Energy Physics

High Energy Physics - Phenomenology

6 pages, 2 figures, REVTeX4

Scientific paper

10.1016/j.physletb.2007.04.034

We present the results of a complete two-loop calculation at order q^6 of the
nucleon mass in manifestly Lorentz-invariant chiral perturbation theory. The
renormalization is performed using the reformulated infrared renormalization,
which allows for the treatment of two-loop integrals while preserving all
relevant symmetries, in particular chiral symmetry.

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