文章基本信息

标题：Heavy Ions: theory
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作者：C. SALGADO
期刊名称：PoS - Proceedings of Science
印刷版ISSN：1824-8039
出版年度：2011
卷号：2011
期号：EPS-HEP2011
出版社：SISSA, Scuola Internazionale Superiore di Studi Avanzati
摘要：The LHC nuclear program has started with a run at √s=2.76 TeV per nucleon pair in 2010. The first data with a reduced luminosity confirms most of the trends observed in the last ten year’s program at RHIC. The strong elliptic flow points to a small viscosity of the produced medium; the large jet quenching points to a large density; quarkonia is suppressed and promises to be an excellent tool for temperature measurements; finally the partonic wave function of the nuclei is subject to strong screening effects which can be understood from saturated parton densities. The theoretical approaches checked in the last ten years provide also a good understanding of these findings. At the same time, new experimental probes as reconstructed jets call for new theoretical developments. Here I present a small overview of the theoretical status of hot and dense QCD from the point of view of its application to the nuclear program at LHC and RHIC, focussing on some of the observables.