Journal
PHYSICS LETTERS B
Volume 715, Issue 1-3, Pages 170-177Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.physletb.2012.07.038
Keywords
Pion form factor; Omnes representation
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A new approach to the parameterization of pion form factors is presented and for illustration applied to the pion vector form factor. It has the correct analytic structure, is at low energies consistent with recent high accuracy analyses of pi pi scattering phase shifts and, at high energies, maps smoothly onto the well-known, successful isobar model. (c) 2012 Elsevier B.V. All rights reserved.
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