A STRUCTURE FUNCTION TEST OF THE QCD LIPATOV BEHAVIOR AT HERA
- 28 December 1993
- journal article
- Published by World Scientific Pub Co Pte Ltd in Modern Physics Letters A
- Vol. 8 (40) , 3813-3822
- https://doi.org/10.1142/s0217732393003950
Abstract
The structure functions for deep-inelastic electron-proton scattering at small x are calculated using the QCD kT-factorization theorem together with the gluon distribution obtained from solving the Lipatov (or BFKL) equation. We study the theoretical uncertainties in the predictions and show, in the HERA regime, that the effective slope λ, defined by , is a remarkably stable prediction of perturbative QCD, where , is suitably defined background. We propose a procedure for identifying the Lipatov effect from small x measurements of F2. We apply it to the recent HERA data, and hence determine λ.Keywords
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