Nucleon Form Factors in a Relativistic Three-Quark Model

M. A. Ivanov; M. P. Locher; V. E. Lyubovitskij

Nucleon Form Factors in a Relativistic Three-Quark Model

High Energy Physics - Phenomenology 2007-05-23 v1

Authors: M. A. Ivanov , M. P. Locher , V. E. Lyubovitskij

Abstract

We report the calculation of electromagnetic form factors of nucleons within a relativistic three-quark model with Gaussian shape for the nucleon-quark vertex. The allowed region for two adjustable parameters, the range parameter $\Lambda_N$ in the Gaussian and the constituent quark mass $m_q$ , is obtained from fitting the data for magnetic moments and electromagnetic radii of nucleons. It is found that their values calculated with $m_q$ =420 MeV and $\Lambda_N$ =1.25 GeV agree very well with the experimental data. It is turned out that the electric proton and magnetic nucleon form factors fall faster than the dipole fit of the experimental data for momentum transfers $0\le Q^2\le 1$ GeV $^2$ .

Keywords

nucleon form factors relativistic three-quark model electromagnetic form factors magnetic moments charge radii constituent quark mass

Cite

@article{arxiv.hep-ph/9612465,
  title  = {Nucleon Form Factors in a Relativistic Three-Quark Model},
  author = {M. A. Ivanov and M. P. Locher and V. E. Lyubovitskij},
  journal= {arXiv preprint arXiv:hep-ph/9612465},
  year   = {2007}
}

Comments

Talk presented at the XIII International Seminar on High Energy Physics Problems "Relativistic Nuclear Physics and Quantum Chromodynamics", Dubna, Russia, 2-7 Sept. 1996, 8 pages, LaTeX, 6 Figures, 1 Table

Nucleon Form Factors in a Relativistic Three-Quark Model

Abstract

Keywords

Cite

Comments

Related papers