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Chiral Perturbation Theory for Baryons

  • Stefan SchererEmail author
  • Matthias R. Schindler
Chapter
Part of the Lecture Notes in Physics book series (LNP, volume 830)

Abstract

So far we have considered the purely mesonic sector of chiral perturbation theory, involving the interaction of Goldstone bosons with each other and with external fields. However, ChPT can be extended to also describe the dynamics of baryons at low energies. Here we will concentrate on matrix elements with a single baryon in the initial and final states. As in the mesonic sector, Green functions are calculated in an effective-Lagrangian approach in combination with a power counting. The symmetries of QCD and the pattern of their breaking again constrain the possible interaction terms appearing in the effective Lagrangian, and we will discuss several approaches to obtain a consistent power counting.

Keywords

Chiral Perturbation Theory Chiral Limit Power Counting Loop Momentum Nucleon Mass 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2011

Authors and Affiliations

  1. 1.Johannes Gutenberg-Universität MainzInstitut für KernphysikMainzGermany
  2. 2.Department of Physics and AstronomyUniversity of South CarolinaColumbiaUSA
  3. 3.Department of PhysicsThe George Washington UniversityWashingtonUSA

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