The phi NN coupling from chiral loops
Nuclear Theory
2009-11-07 v2
Abstract
Starting from effective Lagrangians which combine a gauge formulation of Vector Meson Dominance with Chiral Lagrangians, the coupling of the phi to the nucleon, which is zero at tree level due to the OZI rule, is calculated perturbatively considering loop contributions to the electric and magnetic form factors. We obtain reasonably smaller values for both form factors than those for rho NN and consistent with the expected order of magnitude of the OZI rule violation.
Cite
@article{arxiv.nucl-th/0208013,
title = {The phi NN coupling from chiral loops},
author = {J. E. Palomar and E. Oset},
journal= {arXiv preprint arXiv:nucl-th/0208013},
year = {2009}
}
Comments
20 pages, 9 figures. To be published in Nucl. Phys. A