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We develop a formalism for studying vector meson ($V$) photo-production atthe proton ($p$) with polarized photons, $\vec\gamma p \to V p $, through ananalysis of the decay distribution in the channel $V\to\pi^0\gamma$. We showthat this decay distribution differs noticeably from the distributions ofpurely hadronic decays, like $\phi\to K^+K^-$, $\omega\to \pi^0\pi^+\pi^-$.Formulas for the decay distributions are presented which are suitable for dataanalysis and interpretation.

Selected vector-meson decay-distributions in reactions of polarized photons with protons