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- Title
Insights into the Quark-Gluon Vertex from Lattice QCD and Meson Spectroscopy.
- Authors
Rojas, E.; El-Bennich, B.; Melo, J.; Paracha, M.
- Abstract
By comparing successful quark-gluon vertex interaction models with the corresponding interaction extracted from lattice-QCD data on the quark's propagator, we identify common qualitative features which could be important to tune future interaction models beyond the rainbow ladder approximation. Clearly, a quantitative comparison is conceptually not simple, but qualitatively the results suggest that a realistic interaction should be relatively broad with a strong support at about 0.4-0.6 GeV and infrared-finite.
- Subjects
HADRON spectroscopy; MESON spectroscopy; APPROXIMATION theory; FUNCTIONAL analysis; MATHEMATICAL functions
- Publication
Few-Body Systems, 2015, Vol 56, Issue 6-9, p639
- ISSN
0177-7963
- Publication type
Article
- DOI
10.1007/s00601-015-1020-x