Gluon distributions in nuclei at small x: guidance from different models

Abstract

Different approaches to gluon shadowing at small x are reviewed. Some available results relevant for RHIC and LHC are compared.

Comments: 6 pages, LaTeX2e, uses enclosed cernrep.cls, one eps figure enclosed using graphicx, contribution to the Yellow Report on Hard Probes in Heavy Ion Collisions at the LHC