gamma^* gamma^* -> pi^0 Form Factor from AdS/QCD

Details gamma^* gamma^* -> pi^0 Form Factor from AdS/QCD gamma^* gamma^* -> pi^0 Form Factor from AdS/QCD

2011-04-11

arxiv.org/abs/1104.2081v2

Phys.Rev.C84:025202,2011

Physics

High Energy Physics

High Energy Physics - Phenomenology

Scientific paper

10.1103/PhysRevC.84.025202

The recently measured $\gamma\gamma^*\rightarrow \pi^0$ anomalous form factor
is analyzed using the $D4/D8\bar{D8}$ holographic approach to QCD. The
half-on-shell transition form factor is vector meson dominated and is shown to
exactly tie to the pion form factor. The holographic result compares well with
the data for the lowest vector resonance.

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