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arxiv: 0812.2966 · v1 · submitted 2008-12-16 · ✦ hep-ph

Faddeev equations: a view of baryon properties

classification ✦ hep-ph
keywords massequationsfaddeevbaryonbethe-salpetercalculationcompareconsistent
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We present a calculation of the three-quark core contribution to the mass of the Delta-baryon in a Poincare-covariant Faddeev framework. A consistent setup for the dressed-quark propagator, the quark-quark and quark-diquark interactions is used, where all the ingredients are solutions of their respective Dyson-Schwinger or Bethe-Salpeter equations in rainbow-ladder truncation. We discuss the evolution of the Delta mass with the current-quark mass and compare to the previously obtained mass of the nucleon.

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