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

Eidelman, S.; Lukaszuk, L.

doi:10.1016/j.physletb.2003.12.030

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

Nov, 2003

9 pages

Published in:

Phys.Lett.B 582 (2004) 27-31

e-Print:

hep-ph/0311366 [hep-ph]

DOI:

10.1016/j.physletb.2003.12.030

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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

Note:

9 pages, 4 figures, submitted to Physics Letters B

electron positron: annihilation
hadron: electroproduction
pi: pair production
channel cross section: ratio
energy dependence
pi: form factor
pi pi: elastic scattering
partial wave
numerical calculations: interpretation of experiments

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