Pion and Kaon Vector Form Factors: a Chiral Unitary Approach

Details Pion and Kaon Vector Form Factors: a Chiral Unitary Approach Pion and Kaon Vector Form Factors: a Chiral Unitary Approach

2000-11-09

arxiv.org/abs/hep-ph/0011126v1

Acta Phys.Polon. B31 (2000) 2495-2499

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages, 2 figures, talk given at MESON 2000, Cracow, Poland, May 19-23, 2000

Scientific paper

The pion and kaon coupled-channel vector form factors are described by making use of the resonance chiral Lagrangian results together with a suitable unitarization method in order to take care of the final state interactions. A very good reproduction of experimental data is accomplished for the vector form factors up to $\sqrt{s}\leq 1.2$ GeV and for the $\pi\pi$ P-wave phase shifts up to $\sqrt{s}\leq 1.5$ GeV.

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