Diffractive J/{psi} photoproduction in a dual model
Journal Article
·
· Physical Review. D, Particles Fields
- Universita della Calabria, Dipartimento di Fisica Arcavacata di Rende, I-87030 Cosenza, Calabria (Italy)
- Bogolyubov Institute for Theoretical Physics (BITP), Ukrainian National Academy of Sciences, 14-b, Metrolohichna street, Kiev, 03143 (Ukraine)
- Departament d'Estructura i Constituents de la Materia, Universitat de Barcelona, Diagonal 647, 08028 Barcelona (Spain)
- Universita di Padova, Dipartimento di Fisica and INFN, sezione di Padova, via Marzolo 8, I-35100 Padua (Italy)
- Dipartimento di Fisica Teorica, Universita di Torino and INFN, Sezione di Torino, via P. Giuria 1, I-10125 Turin (Italy)
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.
- OSTI ID:
- 20929586
- Journal Information:
- Physical Review. D, Particles Fields, Vol. 75, Issue 11; Other Information: DOI: 10.1103/PhysRevD.75.116005; (c) 2007 The American Physical Society; Country of input: International Atomic Energy Agency (IAEA); ISSN 0556-2821
- Country of Publication:
- United States
- Language:
- English
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