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ALICE Results Overview - Columbia U for posting



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John Harris Yale Early Results and Future Prospects for the LHC Heavy ion Program Large Hadron Collider ATLAS CMS John Harris Yale LHC ALICE Jet Tomography vs Holography of the QGP Columbia U 20 Oct 2011 LHC Heavy Ion Program LHC Heavy Ion Data taking Design Pb Pb at sNN 5 5 TeV 1 month per year Nov 2010 Pb Pb at sNN 2 76 TeV LHC Collider Detectors ATLAS CMS ALICE ALICE Collaboration 1183 Members 2011 118 Institutes 33 Countries US ALICE 12 Institutions 89 members inc 22 students Chicago St U U of Houston Lawrence Livermore Ohio State U U of Tennessee Wayne State U Creighton U Lawrence Berkeley Oak Ridge Purdue U U of Texas Austin Yale U Spain Cuba Romania Japan Brazil South Africa Korea USA China Croatia India Armenia Ukraine Mexico JINR Italy Russia France Netherlands Hungary UK Greece Sweden Germany Poland Norway Slovak Rep Czech Rep CERN Denmark Finland The ALICE Experiment Hadron Capabilities Fully Installed Commissioned ITS TPC TOF HMPID MUONS V0 T0 ZDC ACORDE TRIGGER HLT EM e and Capabilities complete in 2011 TRD 60 PHOS 60 EMCAL 100 DCAL install in 2013 ALICE USA Global Observables Charged Particle Multiplicity ALICE Phys Rev Lett 105 252301 2010 sNN 2 76 TeV Pb Pb central 0 5 At mid rapidity in central collisions Pb Pb at sNN 2 76 TeV 1 9 x pp at sNN 2 36 TeV nuclear amplification 2 2 x AuAu at sNN 200 GeV dNch d Comparisons to Theory ALICE Phys Rev Lett 105 252301 2010 sNN 2 76 TeV Pb Pb central 0 5 dNch d 1584 4 stat 76 sys pQCD Monte Carlo Shadowing Saturation pp extrapolation E V 1 dN mT 0A d y 0 LHC 3 RHIC dNch d Centrality Dependence ALICE Phys Rev Lett 106 032301 2011 LHC RHIC interpolation 2 36 7 0TeV dNch d centrality dependence similar at LHC and RHIC dNch d Centrality Dependence vs Theory ALICE Phys Rev Lett 106 032301 2011 Two component models ALICE C Loizides QM 2011 Soft processes dNch d N scattered nucleons participants Npart Important constraint for models sensitive to details of initial state nuclear amplification independent of s



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