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ISSN - 03702693, Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 2004, vol. 582, p. 27-31

Pion form factor phase, ππ elasticity and new e+e - data

Eidelman S., Łukaszuk L.

New precise data on the low energy e+e- 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 the ππ scattering. © 2004 Published by Elsevier B.V.