arXiv:hep-ph/0311366·v1·High Energy Physics — Phenomenology
Pion Form Factor Phase, PIon Pion Elasticity and New Electron-Positron Data
S. Eidelman (Budker Institute of Nuclear Physics)🇷🇺 · L. Lukaszuk (Andrzej Soltan Institute for Nuclear Studies)🇵🇱
Abstract
New precise data on the low energy electron-positron annihilation into hadrons from Novosibirsk are used to obtain bounds on the elasticity parameter and the difference between the phase of the pion form factor and that of pion pion scattering
Comments: 9 pages, 4 figures, submitted to Physics Letters B