Low- x QCD physics from RHIC and HERA to the LHC
CERN, PH-EP, CH-1211, Geneva 23, Switzerland
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Accepted: 1 November 2006
Published online: 27 February 2007
We present a summary of the physics of gluon saturation and non-linear QCD evolution at small values of the parton momentum fraction x in the proton and nucleus in the context of recent experimental results at HERA and RHIC. The rich physics potential of low-x studies at the LHC, especially in the forward region, is discussed and some benchmark measurements in pp, pA and AA collisions are introduced.
PACS: 12.38.-t Quantum chromodynamics – / 24.85.+p Quarks, gluons, and QCD in nuclei and nuclear processes – / 25.75.-q Relativistic heavy-ion collisions –
© Società Italiana di Fisica and Springer-Verlag, 2007