Strange meson form factors in holographic QCD

Abstract

We consider the electromagnetic form factors of strange vector, axial vector and pseudoscalar mesons in a holographic QCD model. We find the charge radius of charged kaon agrees with the experiment, while the charge radius of charged pion is a little bit smaller than the experimental value, as obtained in other calculations in the hard-wall holographic QCD models. The charge radii of charged rho and $K^{\ast }$ quantitatively agree with a recent Dyson-Schwinger equation calculation. We also present the electric form factors of vector, axial vector and pseudoscalar mesons in both space-like and time-like regions. We find the charged kaon form factor is in agreement with the experiment data.

13 pages, 3 figures

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Cited by in corpus (2)

• Light-Front projection of spin-1 electromagnetic current and zero-modes
• Mesons and Nucleons in Soft-Wall AdS/QCD