Covariant diquark-quark model of the nucleon in the Salpeter approach.

@article{Keiner1996CovariantDM,
  title={Covariant diquark-quark model of the nucleon in the Salpeter approach.},
  author={Keiner},
  journal={Physical review. C, Nuclear physics},
  year={1996},
  volume={54 6},
  pages={
          3232-3239
        }
}
  • Keiner
  • Published 5 March 1996
  • Physics
  • Physical review. C, Nuclear physics
We develop a formally covariant quark-diquark model of the nucleon. The nucleon is treated as a bound state of a constituent quark and a diquark interacting via a quark exchange. We include both scalar and axial-vector diquarks. The underlying Bethe-Salpeter equation is transformed into a pair of coupled Salpeter equations. The electromagnetic form factors of the nucleon are calculated in the Mandelstam formalism. We obtain a very good description of the proton electric and magnetic form… 

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