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The ωσγ-vertex in light cone QCD sum rules

A. Gokalp, O. Yilmaz

hep-pharXiv:hep-ph/0202091

Abstract

We investigate the ωσγ-vertex and estimate the coupling constant gωσγ in the framework of the light cone QCD sum rules. We compare our result with the values of this coupling constant deduced from a phenomenological analysis of ωππγ decays.

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