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arxiv: hep-ph/0111072 · v2 · submitted 2001-11-07 · ✦ hep-ph

The φ a₀γ- and φσγ-vertices in light cone QCD

classification ✦ hep-ph
keywords gammasigmaconeconstantscouplinglightverticescompare
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We study $\phi a_0\gamma$- and $\phi\sigma\gamma$-vertices in the framework of the light cone QCD sum rules and we estimate the coupling constants g$_{\phi a_0\gamma}$ and g$_{\phi\sigma\gamma}$ utilizing $\omega\phi$-mixing. We compare our results with the previous estimations of these coupling constants in the literature obtained from phenomenological considerations.

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