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Abstract: The Large Hadron Collider LHC should start its activity of data taking bythe end of summer 2009, and will provide beams of p-p and Pb-Pb at collidingenergies up to 14 TeV and 5.5 ATeV respectively. The Pb-Pb heavy-ion programaims at reaching the necessary conditions to create a deconfined state ofpartons, the Quark-Gluon Plasma QGP, whose study is one of the most excitingphysics topics to be explored thanks to the possibilites offered by thisnew-generation accelerator. In particular, the -soft- observables related tolow and intermediate pT processes, will shed light on many fundamentalproperties of the system, such as thermodynamic parameters, chemicalcomposition, expansion velocity etc. The p-p collisions will be of greatinterest as well, since they will serve as an essential reference for heavyions.ALICE A Large Ion Collider Experiment is the LHC experiment dedicated tothe study of the QGP. Its large acceptance and low magnetic field make itparticularly suited for the study of soft phenomena. After having given anoverview of this detector, I will present the main motivations and prospectsfor soft physics in both p-p and Pb-Pb collisions.



Autor: Renaud Vernet, for the ALICE Collaboration

Fuente: https://arxiv.org/







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