Using baryon octet magnetic moments and masses to fix the pion cloud contribution
High Energy Physics - Phenomenology
2014-11-20 v1 Nuclear Theory
Abstract
Using SU(3) symmetry to constrain the pion BB' couplings, assuming SU(3) breaking comes only from one-loop pion cloud contributions, and using the the covariant spectator theory to describe the photon coupling to the quark core, we show how the experimental masses and magnetic moments of the baryon octet can be used to set a model independent constraint on the strength of the pion cloud contributions to the octet, and hence the nucleon, form factors at Q2=0.
Keywords
Cite
@article{arxiv.0910.2171,
title = {Using baryon octet magnetic moments and masses to fix the pion cloud contribution},
author = {Franz Gross and G. Ramalho and K. Tsushima},
journal= {arXiv preprint arXiv:0910.2171},
year = {2014}
}
Comments
7 pages, 1 figure