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Photoproduction of phi(1020) mesons on the proton at large momentum transfer

Te CLAS Collaboration·E. Anciant
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Abstract

The cross section for $ϕ$ meson photoproduction on the proton has been measured for the first time up to a four-momentum transfer -t = 4 GeV^2, using the CLAS detector at the Thomas Jefferson National Accelerator Facility. At low four-momentum transfer, the differential cross section is well described by Pomeron exchange. At large four-momentum transfer, above -t = 1.8 GeV^2, the data support a model where the Pomeron is resolved into its simplest component, two gluons, which may couple to any quark in the proton and in the $ϕ$.

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Te CLAS Collaboration, E. Anciant. 2000-06-16. Photoproduction of phi(1020) mesons on the proton at large momentum transfer. https://doi.org/10.1103/physrevlett.85.4682

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