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We investigate hadrons and direct photon production in pp collisions at theLHC energy within the color-dipole approach. We show that greatest sensitivityto gluon saturation effects is reached at very forward rapidities in ppcollisions at LHC (\sqrt{s}=14 TeV). The discrepancies among various saturationmodels (fitted to HERA data) results can be about a factor of 2-3 at forwardrapidities. We found that the ratio of direct-photon to pion production can beabout 20-10 at forward rapidities \eta=7-8. Therefore, direct photon productionat forward rapidities should provide a rather clean probe as the backgroundfrom radiative hadronic decays is significantly suppressed.

Gluon saturation effects at forward rapidities at LHC in pp collisions