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γ*γ*→π0 form factor from anti-de Sitter-space/QCD correspondence

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Abstract

The recently measured γ*γ*→π0 anomalous form factor is analyzed using the D4/D8D8̄ holographic approach to QCD. The half-on-shell transition form factor is vector meson dominated and is shown to exactly tie to the charged-pion form factor. The holographic result compares well with the data for the lowest vector resonance.

Original languageEnglish
Article number025202
JournalPhysical Review C - Nuclear Physics
Volume84
Issue number2
DOIs
StatePublished - Aug 18 2011

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