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- Title
BARYON CHIRAL PERTURBATION THEORY IN MANIFESTLY LORENTZ-INVARIANT FORM.
- Authors
SCHERER, STEFAN
- Abstract
A successful effective field theory program requires besides the most general effective Lagrangian a perturbative expansion scheme for observables in terms of a consistent power counting method. We discuss a renormalization scheme for manifestly Lorentz-invariant baryon chiral perturbation theory generating a simple and consistent power counting for renormalized diagrams. The approach may be used in an iterative procedure to renormalize higher-order loop diagrams and also allows for implementing a consistent power counting when vector mesons are explicitly included.
- Subjects
BARYONS; FIELD theory (Physics); QUANTUM perturbations; LORENTZ groups; RENORMALIZATION (Physics); QUANTUM theory; LAGRANGIAN functions; MESONS
- Publication
International Journal of Modern Physics A: Particles & Fields; Gravitation; Cosmology; Nuclear Physics, 2006, Vol 21, Issue 4, p881
- ISSN
0217-751X
- Publication type
Article
- DOI
10.1142/S0217751X06032228