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arxiv: hep-ph/9912245 · v1 · submitted 1999-12-05 · ✦ hep-ph

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Regge-Eikonal Approach and its off-Shell Extention Versus Experimental Data

V. A. Petrov , A. V. Prokudin
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classification ✦ hep-ph
keywords off-shellapproachextentionregge-eikonaltrajectoriesaccountargueautomatically
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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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Cited by 1 Pith paper

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score.

  1. $J/\psi$ Photoproduction from Threshold to HERA: Leading-Twist Convolution, Small-$x$ Pathology, and Eikonal Unitarization

    hep-ph 2026-04 unverdicted novelty 5.0

    Leading-twist convolution with small-x singular PDFs matches threshold J/ψ data but requires eikonal unitarization fitted to HERA to cover the full energy range, with the dispersive real part dominating near threshold.