The elastic photoproduction cross sections for ρ and φ mesons from protons have been measured from 30 to 180 GeV. The energy dependences agree well with predictions made by using vector-meson dominance and an additive quark model. The ρ cross section is approximately constant with energy while the φ cross section rises from 0.5 to 0.7 {μ}b with increasing energy.
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Egloff et al. (1979) studied this question.
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