Pion distribution amplitude -- from theory to data

Details Pion distribution amplitude -- from theory to data Pion distribution amplitude -- from theory to data

2004-12-17

arxiv.org/abs/hep-ph/0412248v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

Invited talk given at the Bogolyubov Conference "Problems of Theoretical and Mathematical Physics", Moscow--Dubna, Russia, 2--

Scientific paper

10.1063/1.1920987

We describe the present status of the pion distribution amplitude as 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 E791 data on diffractive dijet production, and the JLab F(pi) data on the pion electromagnetic form factor.

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