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Nucleon form factors in a light-cone quark model with two-photon exchange

2009/07/31 by Dian-Yong Chen, Yubing Dong, Yu-Bing Dong
Physics and Astronomy · #High-Energy Particle Collisions Research #Particle physics theoretical and experimental studies #Quantum Chromodynamics and Particle Interactions #nucl-th

paper · pdf · doi:10.1016/j.nuclphysa.2009.10.158

published as Nucl.Phys.A832:209-219,2010 · 10 pages, 5 figures

arxiv created 2009/08/07 · openalex publication_date 2009/10/28 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

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.

Citations