We report measurements of the differential cross sections of ρ⁰- and φ-meson photo-production on hydrogen for a range of the square of the four-momentum transfer t from -0.2 to -0.9 (GeV/c)² and a range of incident photon energies from 6.5 to 17.8 GeV. We find that differential cross sections obtained for ρ⁰ production are in good agreement with the vector-dominance model.
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Jones et al. (1968) studied this question.
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