Pion form factors in the intermediate-energy regime are computed via double-dilaton HQCD, indicating non-perturbative strong-interaction effects remain relevant at scales traditionally viewed as perturbative.
Vector Meson Dominance as a first step in a systematic approximation: the pion vector form factor
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abstract
Pade Approximants can be used to go beyond Vector Meson Dominance in a systematic approximation. We illustrate this fact with the case of the pion vector form factor and extract values for the first two coefficients of its Taylor expansion. Pade Approximants are shown to be a useful and simple tool for incorporating high-energy information, allowing an improved determination of these Taylor coefficients.
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Neutral and charged pion Form Factors in the intermediate-energy region from double-dilaton HQCD model
Pion form factors in the intermediate-energy regime are computed via double-dilaton HQCD, indicating non-perturbative strong-interaction effects remain relevant at scales traditionally viewed as perturbative.