Exclusive Vector Photoproduction: Confirmation of Regge Theory

Details Exclusive Vector Photoproduction: Confirmation of Regge Theory Exclusive Vector Photoproduction: Confirmation of Regge Theory

1999-12-12

arxiv.org/abs/hep-ph/9912312v1

Phys.Lett. B478 (2000) 146-150

Physics

High Energy Physics

High Energy Physics - Phenomenology

6 pages, plain tex, with 5 figures embedded using epsf

Scientific paper

10.1016/S0370-2693(00)00194-5

Recent small-t ZEUS data for exclusive rho photoproduction are in excellent agreement with exchange of the classical soft pomeron with slope alpha'=0.25 GeV^{-2}. Adding in a flavour-blind hard-pomeron contribution, whose magnitude is calculated from the data for exclusive J/psi photoproduction, gives a good fit also to the ZEUS data for rho photoproduction at larger values of t, and to phi photoproduction.

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