M. Sadzikowski, L. Motyka, W. Slominski
Published 2012-06-08Version 1
HERA data on diffractive DIS show deviations from twist 2 DGLAP predictions below $Q^2\sim 5$ GeV$^2$ at low pomeron $\xi$, which may reach up to 100%. These deviations are consistent with higher twists effects extracted from the saturation model. It is a first direct evidence for the higher twists in DIS. This finding affects determination of the diffractive parton densities that are used for the predictions at the LHC.
Comments: 5 pages, 2 figures, Based on the talk presented at the conference Deep-Inelastic Scattering and Related Subjects (DIS2012), Bonn, 2012
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Azimuthal asymmetry as a new handle on $σ_{L}/σ_{T}$ in diffractive DIS
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