arXiv:0909.4624·v1·High Energy Physics — Phenomenology
Nonlocal condensates and pion form factor
A. V. Pimikov🇷🇺 · A. P. Bakulev🇷🇺 · N. G. Stefanis🇩🇪
Abstract
We review a nonlocal-condensate approach and its application in QCD sum rules for the spacelike electromagnetic pion form factor. It is shown that the nonlocality of the condensates is a key point to include nonperturbative contributions to the pion form factor.
Comments: 4 pages, 1 figures, invited talk at the 3rd Joint International Hadron Structure'09 Conference, Tatranska Strba (Slovak Republic), Aug. 30--Sept. 3, 2009