Infrared regularization with spin-3/2 fields

Preprint

24 March 2003

preprint
Published by arXiv in arXiv

https://doi.org/10.48550/arXiv.hep-ph/0303198

Abstract

We present a Lorentz-invariant formulation of baryon chiral perturbation theory including spin-3/2 fields. Particular attention is paid to the projection on the spin-3/2 components of the delta fields. We also discuss the nucleon mass and the pion-nucleon sigma term.

Keywords

INFRARED REGULARIZATION
INVARIANT FORMULATION
PERTURBATION THEORY
REGULARIZATION
ATTENTION
NUCLEON
LORENTZ
CHIRAL
DELTA

All Related Versions

Version 1, 2003-03-24, ArXiv
Published version: Physics Letters B, 565, 137.

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