Poincare Covariant Quark Models of Baryon Form Factors
F. Coester, D. O. Riska
Abstract
Poincare covariant quark models of the the nucleon, the Δ resonance and their excitations are explored. The baryon states are represented by eigenfunctions of the four-velocity and a confining mass operator, which reproduces the empirical spectrum up to 1700 MeV to an accuracy of 6%. Models of constituent quark currents provide the relations between ground-state properties and transition amplitudes.
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