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arXiv · 1008.4149

Delta properties in the rainbow-ladder truncation of Dyson-Schwinger equations

D. Nicmorus·G. Eichmann·A. Krassnigg·R. Alkofer
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Abstract

We present a calculation of the three-quark core contribution to nucleon and Delta-baryon masses and Delta electromagnetic form factors in a Poincare-covariant Faddeev approach. A consistent setup for the dressed-quark propagator, the quark-quark, quark-'diquark' and quark-photon interactions is employed, where all ingredients are solutions of their respective Dyson-Schwinger or Bethe-Salpeter equations in a rainbow-ladder truncation. The resulting Delta electromagnetic form factors concur with present experimental and lattice data.

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D. Nicmorus, G. Eichmann, A. Krassnigg, R. Alkofer. 2010-08-24. Delta properties in the rainbow-ladder truncation of Dyson-Schwinger equations. https://doi.org/10.1007/s00601-010-0194-5

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