Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1993-07-12
Phys.Lett. B326 (1994) 161-167
Physics
High Energy Physics
High Energy Physics - Phenomenology
12 pages
Scientific paper
10.1016/0370-2693(94)91208-4
We discuss the effects of the $s$-channel unitarization on the $x$ and $Q^{2}$ dependence of structure functions. The unitarization is implemented at the level of photoabsorption cross sections by resorting to the light--cone wave functions of virtual photons and to the diagonalization property of the scattering matrix in a basis of Fock states of the photon with fixed transverse size. Triple pomeron effects are also explicitly taken into account. We find large unitarity corrections to the structure functions at $x < 10^{-2}$. The results are in very good agreement with the existing NMC and the preliminary HERA data.
Barone Veronica
Genovese Marco
Nikolaev Nikolai N.
Predazzi Enrico
Zakharov Bronislav G.
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