Pion form factor in QCD sum rules, local duality approach, and O(A_2) fractional analytic perturbation theory

Alexander P. Bakulev

doi:10.1016/j.nuclphysbps.2009.12.040

Pion form factor in QCD sum rules, local duality approach, and O(A_2) fractional analytic perturbation theory

High Energy Physics - Phenomenology 2010-04-22 v2

Authors: Alexander P. Bakulev

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Abstract

Using the results on the electromagnetic pion Form Factor (FF) obtained in the $O(\alpha_s)$ QCD sum rules with non-local condensates \cite{BPS09} we determine the effective continuum threshold for the local duality approach. Then we apply it to construct the $O(\alpha_s^2)$ estimation of the pion FF in the framework of the fractional analytic perturbation theory.

Keywords

pion form factor QCD sum rules local duality fractional analytic perturbation theory non-local condensates effective continuum threshold

Cite

@article{arxiv.0909.4527,
  title  = {Pion form factor in QCD sum rules, local duality approach, and O(A_2) fractional analytic perturbation theory},
  author = {Alexander P. Bakulev},
  journal= {arXiv preprint arXiv:0909.4527},
  year   = {2010}
}

Comments

4 pages, 2 figures, invited talk at the 3rd Joint International Hadron Structure'09 Conference, Tatranska Strba (Slovak Republic), Aug. 30--Sept. 3, 2009

Pion form factor in QCD sum rules, local duality approach, and O(A_2) fractional analytic perturbation theory

Abstract

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