The logarithmic slope in diffractive DIS

The Diffractive Logarithmic Slope and the Saturation Phenomena

The measurements of the derivative quantity F2-slope 1 on Q allowed a renewed interest of testing the matching of hard and soft approaches and provided constraints for the saturation formalisms. The reported turnover on the x dependence was readly associated with the transition region between the interplaying domains. The most recent determinations of the slope still deserve a better theoretica...

- Production in Diffractive DIS

We calculate the cross section for q ¯ qg-production in diffractive DIS with finite fermion masses and zero momentum transfer. The calculation is done in the leading log(1/x P) approximation and is valid for the region of high diffractive masses (small β). We apply our cross section formula to diffractive charm production at HERA: in a Monte-Carlo-Simulation of diffractive D * ± meson productio...

Unified Picture of Dis and Diffractive Dis

The QCD dipole picture allows to build an unified theoretical description -based on BFKL dynamicsof the total and diffractive nucleon structure functions. We use a four parameter fit to describe the 1994 H1 proton structure function F2 data in the low x, moderate Q2 range. Without any additional parameter, the gluon density and the longitudinal structure functions are predicted. The diffractive...

Saturation and Diffractive DIS

Around 10% of deep inelastic scattering (DIS) events observed at HERA at small value of the Bjorken variable x are diffractive events [1, 2], when the incoming proton stays intact losing only a small fraction xIP of its initial momentum. A large rapidity gap is formed between the scattered proton (or its low mass excitation) and the diffractive system. The ratio of diffractive to total DIS cros...

Diffractive Jet Production in Dis