arXiv:1106.5252·v1·High Energy Physics — Phenomenology
Asymptotic behavior of pion form factors
Mikhail Gorchtein🇺🇸 · Peng Guo🇺🇸 · Adam P. Szczepaniak🇺🇸
Abstract
We consider the electromagnetic and transition pion form factors. Using dispersion relations we simultaneously describe both the hadronic, time-like region and the asymptotic region of large energy-momentum transfer. For the latter we propose a novel mechanism of Regge fermion exchange.
Comments: Talk at the DIS2011; 4 pages, 2 figures