Pion quark structure in QCD

Details Pion quark structure in QCD Pion quark structure in QCD

2006-11-09

arxiv.org/abs/hep-ph/0611114v1

Int.J.Mod.Phys. A22 (2007) 654-658

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages, 2 figures, talk at the 9th International Workshop on Meson Production, Properties and Interaction, Krakow, Poland, 9-

Scientific paper

We describe the present status of the pion distribution amplitude as it
originated from two sources: (i) a nonperturbative approach, based on QCD sum
rules with nonlocal condensates and (ii) a NLO QCD analysis of the CLEO data on
F^{\gamma\gamma^*\pi}(Q^2), supplemented by the recent high-precision lattice
calculations of the second moment of the pion distribution amplitude.

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