Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2002-07-23
Phys.Rev. D67 (2003) 074023
Physics
High Energy Physics
High Energy Physics - Phenomenology
17 pages, 19 figures
Scientific paper
10.1103/PhysRevD.67.074023
Exclusive photoproduction of all vector mesons by real and virtual photons is considered in the Soft Dipole Pomeron model. It is emphasized that being the Pomeron in this model a double Regge pole with intercept equal to one, we are led to rising cross-sections but the unitarity bounds are not violated. It is shown that all available data for rho, omega, phi, J/psi and Upsilon in the region of energies 1.7 <= W <= 250 GeV and photon virtualities 0 <= Q^2 <= 35 GeV^2, including the differential cross-sections in the region of transfer momenta 0 <= |t| <= 1.6 GeV^2, are well described by the model.
Martynov Evgenij
Predazzi Enrico
Prokudin Alexei
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