Regge-Eikonal Approach and its off-Shell Extention Versus Experimental Data
V. A. Petrov, A. V. Prokudin
Abstract
We develop an off-shell extention of the Regge-eikonal approach which automatically takes into account off-shell unitarity. We argue that exclusive vector-meson production cross-sections measured at HERA can be fairly described with classical universal Regge trajectories. No extra ``hard'' trajectories of high intercept are needed for that.
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