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Delta properties in the rainbow-ladder truncation of Dyson-Schwinger equations | | D. Nicmorus
; G. Eichmann
; A. Krassnigg
; R. Alkofer
; | | Date: |
24 Aug 2010 | | 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. | | Source: | arXiv, 1008.4149 | | Services: | Forum | Review | PDF | Favorites | |
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