Physics – Nuclear Physics – Nuclear Theory
Scientific paper
2003-06-20
Few Body Syst.33:219-232,2003
Physics
Nuclear Physics
Nuclear Theory
14 pages, LaTeX2e
Scientific paper
10.1007/s00601-003-0018-y
The proton's elastic electromagnetic form factors are calculated using an Ansatz for the nucleon's Poincare' covariant Faddeev amplitude that only retains scalar diquark correlations. A spectator approximation is employed for the current. On the domain of q^2 accessible in modern precision experiments these form factors are a sensitive probe of nonperturbative strong interaction dynamics. The ratio of Pauli and Dirac form factors can provide realistic constraints on models of the nucleon and thereby assist in developing an understanding of nucleon structure.
Bloch Jacques C. R.
Krassnigg Andreas
Roberts Christopher D.
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