Nucleon Form Factors in a Light-Cone Quark Model with Two-Photon Exchange
arXiv:0907.0090 · doi:10.1016/j.nuclphysa.2009.10.158
Abstract
We estimate the two-photon exchange corrections to both proton and neutron electromagnetic physical observables in a relativistic light cone quark model. At a fixed momentum transfer the corrections are found to be small in magnitudes, but with a strong angular dependence. Our results are comparable to those from simple hadronic model in a moderate momentum transfer region.
10 pages, 5 figures