Vector-Meson-Dominance model contribution to π⁰ to 4γ
classification
✦ hep-ph
keywords
contributioncalculatedgammamodelvector-meson-dominanceconfirmsearlierelectromagnetic
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Vector-Meson-Dominance model contribution to $\pi^0 \to 4\gamma$ is calculated. The result confirms old estimates that this contribution is much smaller than the purely electromagnetic photon spliting graph contribution calculated earlier.
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