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cross section from the dipole model in momentum space
J. T. de Santana Amaral, M. A. Betemps, M. B. Gay Ducati +1
We reproduce the DIS measurements of the proton structure function at high energy from the dipole model in momentum space. To model the dipole-proton forward scattering amplitude,…
One-dimensional model for QCD at high energy
E. Iancu, J. T. de Santana Amaral, G. Soyez +1
We propose a stochastic particle model in (1+1)-dimensions, with one dimension corresponding to rapidity and the other one to the transverse size of a dipole in QCD, which mimics h…
QCD at high energy: saturation and fluctuation effects
Gregory Soyez
In these proceedings, I shall review the basic concepts of perturbative QCD in its high-energy limit. I shall concentrate on the approach to the unitarity limit, usually referred t…
Systematics of geometric scaling
F. Gelis, R. Peschanski, G. Soyez +1
Using all available data on the deep-inelastic cross-sections at HERA at x<0.01, we look for geometric scaling of the form σ^{γ^*p}(τ) where the scaling variable τbehaves alternati…
On the probability distribution of the stochastic saturation scale in QCD
C. Marquet, G. Soyez, Bo-Wen Xiao
It was recently noticed that high-energy scattering processes in QCD have a stochastic nature. An event-by-event scattering amplitude is characterised by a saturation scale which i…
From QCD at high energy to statistical physics and back
G. Soyez
In these proceedings, we shall first recall the evolution equations arising when increasing the rapidity within the perturbative QCD regime. We shall then summarise the…