Unitarity effects in hard diffraction at HERA
arXiv:hep-ph/0306134 · doi:10.1016/j.physletb.2003.06.019
Abstract
We study how factorization breaking changes when going from diffractive deep inelastic scattering to diffractive photoproduction of dijets. These processes offer a sensitive probe of the interplay of soft and hard mechanisms in QCD. We demonstrate that unitarity effects are already important in the gluon distribution for x ~ 10^{-4}, for quite a wide range of Q^2.
12 pages, 7 figures