Vector Meson Production at HERA

Details Vector Meson Production at HERA Vector Meson Production at HERA

1996-09-26

arxiv.org/abs/hep-ph/9609490v2

Phys.Lett. B397 (1997) 317-324

Physics

High Energy Physics

High Energy Physics - Phenomenology

12 pages, Latex, 6 figures. Shortened version of the previous paper, which also includes a clearer criticism of the work by Ma

Scientific paper

10.1016/S0370-2693(97)00193-7

We show that the lowest-order QCD calculation in a simple model of elastic vector-meson production does reproduce correctly the ratios of cross sections for rho, phi and J/psi, both in photoproduction and in high-Q2 quasi-elastic scattering. The dependence of the slopes on the mass of the vector meson is reproduced as well. We examine the lower-energy data, and find that the energy dependence of the cross section does not depend on Q2, but may depend on the vector-meson mass.

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