Low energy analysis of the nucleon electromagnetic form factors
High Energy Physics - Phenomenology
2009-10-31 v1 Nuclear Theory
Abstract
We analyze the electromagnetic form factors of the nucleon to fourth order in relativistic baryon chiral perturbation theory. We employ the recently proposed infrared regularization scheme and show that the convergence of the chiral expansion is improved as compared to the heavy fermion approach. We also discuss the inclusion of vector mesons and obtain an accurate description of all four nucleon form factors for momentum transfer squared up to Q^2 \simeq 0.4 GeV^2.
Keywords
Cite
@article{arxiv.hep-ph/0007056,
title = {Low energy analysis of the nucleon electromagnetic form factors},
author = {Bastian Kubis and Ulf-G. Meißner},
journal= {arXiv preprint arXiv:hep-ph/0007056},
year = {2009}
}
Comments
44 pp, LaTeX2e, uses epsf and amsbsy