Towards flavored bound states beyond rainbows and ladders

Abstract

We give a snapshot of recent progress in solving the Dyson-Schwinger equation with a beyond rainbow-ladder ansatz for the dressed quark-gluon vertex which includes ghost contributions. We discuss the motivations for this approach with regard to heavy-flavored bound states and form factors and briefly describe future steps to be taken.

Contribution to the proceedings of the XXXVI Reunião de Trabalho sobre Física Nuclear no Brasil which took place in Maresias, São Paulo, Brazil. 8 pages, 3 figures. AIP proceeding style

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• Excited hadrons and the analytical structure of bound-state interaction kernels
• Insights into the quark-gluon vertex from lattice QCD and meson spectroscopy
• The Charm and Beauty of Strong Interactions
• Contemporary continuum QCD approaches to excited hadrons