Possible saturation effects at HERA and LHC in the $k_T$-factorization approach

Abstract

We consider possible saturation effects in the structure function $F_L$ at fixed W in HERA energy range and in $b\bar{b}-$production at LHC energies in the framework of $k_T-$facrorization approach.

Comments: 5 pages, 3 figures, prepared for the Proceedings of XXXV International Symposium on Multipaticle Dynamics 2005, Kromeriz, Czech Republic, Aug. 9-15, 2005