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5 papers · 2 filters
Infrared and extended on-mass-shell renormalization of two-loop diagrams
M. R. Schindler, J. Gegelia, S. Scherer
Using a toy model Lagrangian we demonstrate the application of both infrared and extended on-mass-shell renormalization schemes to multiloop diagrams by considering as an example a…
Structure of the nucleon in chiral perturbation theory
Thomas Fuchs, Jambul Gegelia, Stefan Scherer
We discuss a renormalization scheme for relativistic baryon chiral perturbation theory which provides a simple and consistent power counting for renormalized diagrams. The method i…
Infrared regularization of baryon chiral perturbation theory reformulated
M. R. Schindler, J. Gegelia, S. Scherer
We formulate the infrared regularization of Becher and Leutwyler in a form analogous to our recently proposed extended on-mass-shell renormalization. In our formulation, IR regular…
Power counting in baryon chiral perturbation theory including vector mesons
T. Fuchs, M. R. Schindler, J. Gegelia +1
It is demonstrated that using a suitable renormalization condition one obtains a consistent power counting in manifestly Lorentz-invariant baryon chiral perturbation theory includi…
Renormalization of relativistic baryon chiral perturbation theory and power counting
T. Fuchs, J. Gegelia, G. Japaridze +1
We discuss a renormalization scheme for relativistic baryon chiral perturbation theory which provides a simple and consistent power counting for renormalized diagrams. The method i…