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Diffractive J/Psi photoproduction in a dual model

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J/psi photoproduction is studied in the framework of the analytic S-matrix theory. The differential and integrated elastic cross sections for J/psi photoproduction are calculated from a dual amplitude with Mandelstam analyticity. It is argued that, at low energies, the background, which is the low-energy equivalent of the high-energy diffraction, replaces the Pomeron exchange. The onset of the high-energy Pomeron dominance is estimated from the fits to the data.

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FIORE, Roberto, et al. Diffractive J/Psi photoproduction in a dual model. Physical Review D. 2007. Vol. 75, num. 11, pags. 116005. ISSN 0556-2821. [consulted: 23 of May of 2026]. Available at: https://hdl.handle.net/2445/12524

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