Recent developments in effective field theory

Details Recent developments in effective field theory Recent developments in effective field theory

2007-11-02

arxiv.org/abs/0711.0309v1

Prog.Part.Nucl.Phys.61:19-26,2008

Physics

Nuclear Physics

Nuclear Theory

8 pages, 6 figures, invited talk given at International School of Nuclear Physics, 29th Course "Quarks in Hadrons and Nuclei",

Scientific paper

10.1016/j.ppnp.2007.12.029

We will give a short introduction to the one-nucleon sector of chiral perturbation theory and will address the issue of a consistent power counting and renormalization. We will discuss the infrared regularization and the extended on-mass-shell scheme. Both allow for the inclusion of further degrees of freedom beyond pions and nucleons and the application to higher-loop calculations. As applications we consider the chiral expansion of the nucleon mass to order O(q^6) and the inclusion of vector and axial-vector mesons in the calculation of nucleon form factors.

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