出版社：SISSA, Scuola Internazionale Superiore di Studi Avanzati
摘要：In the recent experiments like DIS at HERA or the heavy-ion experiments at RHIC, and also in
expected LHC at CERN, the number of involved partons is very large, due to the high energy
and/or the high number of participants of those experiments. These high parton densities should
in principal lead to an extremely huge multiparticle production, but experimentally we have seen
that this is not the case. So there should be a mechanism that reduces the number of created
particle. Here, I review the problem of parton saturation and its implications through three in
principal different approaches, but somewhat related: saturation in a geometrical approach, QCD
saturation through the Color Glass Condensate and perturbative Pomeron approach with initial
conditions.
