QCD modeling of hadron physics

Details QCD modeling of hadron physics QCD modeling of hadron physics

2005-11-06

arxiv.org/abs/nucl-th/0511017v1

Physics

Nuclear Physics

Nuclear Theory

17 pages, 19 postscript figures, contribution to the proceedings of LC05, Cairns, Australia, July 2005

Scientific paper

10.1016/j.nuclphysbps.2006.08.01

We review recent developments in the understanding of meson properties as solutions of the Bethe-Salpeter equation in rainbow-ladder truncation. Included are recent results for the pseudoscalar and vector meson masses and leptonic decay constants, ranging from pions up to c\bar{c} bound states; extrapolation to b\bar{b} states is explored. We also present a new and improved calculation of F_\pi(Q^2) and an analysis of the \pi\gamma\gamma transition form factor for both \pi(140) and \pi(1330). Lattice-QCD results for propagators and the quark-gluon vertex are analyzed, and the effects of quark-gluon vertex dressing and the three-gluon coupling upon meson masses are considered.

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