Abstract
Based on the Pomeron exchange model, elastic production of ϕmeson in electron-proton interaction is investigated with bothlinear and non-linear Pomeron trajectories. The numericalcalculations of the differential cross section for e + p→ e' + p + ϕ are performed. The theoreticalpredictions show that the dependence of the differential crosssection on virtual photon virtuality, Q2, is of moderation,the change of the energy scale parameter s0 causes moderateeffect on the differential cross section, and the lineartrajectory is a good approximation to non-linearity of the Pomerontrajectory, in particular, at small momentum transfer region ∣ t ∣ ⩽ 0.2 GeV2.
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