Structure Functions of the Nucleon in a Covariant Scalar Spectator Model
K. Kusaka, G. Piller, A. W. Thomas, A. G. Williams
Abstract
Nucleon structure functions, as measured in deep-inelastic lepton scattering, are studied within a covariant scalar diquark spectator model. Regarding the nucleon as an approximate two-body bound state of a quark and diquark, the Bethe-Salpeter equation (BSE) for the bound state vertex function is solved in the ladder approximation. The valence quark distribution is discussed in terms of the solutions of the BSE.
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