Structure of the nucleon in chiral perturbation theory

By T. Fuchs, J. Gegelia, Stefan Scherer. 2003

727 citations recorded by the source corpus.

Abstract.We discuss a renormalization scheme for relativistic baryon chiral perturbation theory which provides a simple and consistent power counting for renormalized diagrams. The method involves finite subtractions of dimensionally regularized diagrams beyond the standard modified minimal subtraction scheme of chiral perturbation theory to remove contributions violating the power counting. This is achieved by a suitable renormalization of the parameters of the most general effective Lagrangian. As applications we discuss the mass of the nucleon, the σ term, and the scalar and electromagnetic form factors.

Subfields: Atomic and Molecular Physics, and Optics, Nuclear and High Energy Physics

View Paper: https://www.semanticscholar.org/paper/b7ff88651457ebd0a1606873af7168a3481d9ecd

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In Atomic and Molecular Physics, and Optics

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