Non-perturbative QCD Modeling and Meson Physics

Details Non-perturbative QCD Modeling and Meson Physics Non-perturbative QCD Modeling and Meson Physics

2009-04-21

arxiv.org/abs/0904.3345v1

Physics

Nuclear Physics

Nuclear Theory

7 pages, 2 figures, presented at the XIII Mexican School on Particles and Fields, San Carlos, Sonora, Mexico, October 2008

Scientific paper

Using a ladder-rainbow kernel previously established for light quark hadron physics, we explore the extension to masses and electroweak decay constants of ground state pseudoscalar and vector quarkonia and heavy-light mesons in the c- and b-quark regions. We make a systematic study of the effectiveness of a constituent mass concept as a replacement for a heavy quark dressed propagator for such states. The difference between vector and axial vector current correlators is explored within the same model to provide an estimate of the four quark chiral condensate and the leading distance scale for the onset of non-perturbative phenomena in QCD.

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