Factorization and Scaling in Hadronic Diffraction

Abstract

In standard Regge theory with a pomeron intercept a(0)=1+ε, the contribution of the tripe-pomeron amplitude to the t=0 differential cross section for single diffraction dissociation has the form dσ/dM^2(t=0) \sim s^{2ε}/(M^2)^{1+ε}. For ε>0, this form, which is based on factorization, does not scale with energy. From an analysis of p-p and p-pbar data from fixed target to collider energies, we find that such scaling actually holds, signaling a breakdown of factorization. Phenomenologically, this result can be obtained from a scaling law in diffraction, which is embedded in the hypothesis of pomeron flux renormalization introduced to unitarize the triple pomeron amplitude.

39 pages, Latex, 16 figures

References in corpus (1)

• Evidence for xi- and t-dependent damping of the Pomeron Flux in the proton

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