Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2008-07-30
Phys.Rev.D78:074028,2008
Physics
High Energy Physics
High Energy Physics - Phenomenology
13 pages, 7 figures
Scientific paper
10.1103/PhysRevD.78.074028
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.
Masjuan Pere
Peris Santi
Sanz-Cillero Juan Jose
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