Delta-baryon mass in a covariant Faddeev approach

Details Delta-baryon mass in a covariant Faddeev approach Delta-baryon mass in a covariant Faddeev approach

2008-12-09

arxiv.org/abs/0812.1665v1

Phys.Rev.D80:054028,2009

Physics

High Energy Physics

High Energy Physics - Phenomenology

8 pages, 2 figures, 1 table

Scientific paper

10.1103/PhysRevD.80.054028

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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