Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2008-12-18
Phys.Rev.C79:065204,2009
Physics
High Energy Physics
High Energy Physics - Phenomenology
18 pages, 12 figures
Scientific paper
10.1103/PhysRevC.79.065204
Electromagnetic form factors of proton and neutron, obtained from a new fit of data, are presented. The proton form factors are obtained from a simultaneous fit to the ratio $\mu_p G_{Ep}/G_{Mp}$ determined from polarization transfer measurements and to $ep$ elastic cross section data. Phenomenological two-photon exchange corrections are taken into account. The present fit for proton was performed in the kinematical region $Q^2\in (0,6)$ GeV$^2$. Both for protons and neutrons we use the latest available data. For all form factors the uncertainties and correlations of form factor parameters are investigated with the $\chi^2$ method.
Alberico Wanda M.
Bilenky Samoil M.
Giunti Carlo
Graczyk Krzysztof M.
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