Chiral expansion of the nucleon mass to order q⁶

M. R. Schindler , D. Djukanovic , J. Gegelia , S. Scherer

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classification ✦ hep-ph hep-lat

keywords chiralmassnucleonorderrenormalizationtwo-loopallowscalculation

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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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Chiral expansion of the nucleon mass to order q⁶

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