Electromagnetic form factors of nucleons in a relativistic three-quark model

Details Electromagnetic form factors of nucleons in a relativistic three-quark model Electromagnetic form factors of nucleons in a relativistic three-quark model

1996-02-22

arxiv.org/abs/hep-ph/9602372v1

FewBodySyst.21:131,1996

Physics

High Energy Physics

High Energy Physics - Phenomenology

23 pages, Postscript File, 7 Figures, 3 Tables

Scientific paper

10.1007/s006010050044

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. The shapes of electric and magnetic nucleon form factors calculated in this approach with the central parameters $m_q$=420 MeV and $\Lambda_N$=1.25 GeV are close to the data for momentum transfers $0\le Q^2\le 1$ GeV$^2$

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