Model comparison of Delta and Omega masses in a covariant Faddeev approach

Helios Sanchis-Alepuz , Reinhard Alkofer , Gernot Eichmann , Richard Williams

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classification ✦ hep-ph nucl-th

keywords approachcovariantdeltamassesmodelassessbethe-salpetercomparison

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We compute the vector-meson, nucleon and delta/omega-baryon masses and their evolution with the current-quark mass using a covariant generalized Bethe-Salpeter equation approach. The interaction kernel is truncated to a dressed gluon exchange. We study the model dependence of our results with the quark-gluon dressing to assess the validity of the truncation.

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Model comparison of Delta and Omega masses in a covariant Faddeev approach

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