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We investigate the generalized form factors of the nucleon in a light-conespectator-diquark model. Compared to the form factors, the generalized formfactors contain some more information of the structure of the nucleon. In ourcalculation, both the scalar and the axial-vector spectator-diquark are takeninto account. As a relation between the spin in the instant form and that inthe light-cone form, the Melosh-Wigner rotation effect is included for both thequark and the axial-vector diquark. We also provide numerical results from ourmodel calculations, and the results are comparable with those from lattice QCD.

Generalized form factors of the nucleon in a light-cone spectator-diquark model