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QCD in Twenty-One Century

Explore QCD Emerging Property at RHIC Nu Xu (1) College of Physical Science & Technology, Central China Normal University, China (2) Nuclear Science Division, Lawrence Berkeley National Laboratory, USA Many Thanks to the Organizers!. QCD in Twenty-One Century. Higgs Particle –

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QCD in Twenty-One Century

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  1. Explore QCD Emerging Propertyat RHIC Nu Xu(1) College of Physical Science & Technology, Central China Normal University, China (2) Nuclear Science Division, Lawrence Berkeley National Laboratory, USAMany Thanks to the Organizers!

  2. QCD in Twenty-One Century Higgs Particle – - Origin of Mass - SM  The Theory (2) QCD Phase Structure – - Confinement - χC symmetry - Critical point, phase boundaries - Nucleon helicity structure - … - Non-linear QCD at small-x - … Emerging properties with QCD degrees of freedom!

  3. Polarized p+p Program - Study proton intrinsic properties 2020 -eRHIC (eSTAR) STAR Physics Focus Small-x Physics Program - Study low-x properties, initial condition, search for CGC - Study elastic and inelastic processes in pp2pp 1) At 200 GeV at RHIC - Study medium properties, EoS - pQCD in hot and dense medium 2) RHICBeam Energy Scan (BES) - Search for the QCD critical point - Chiral symmetry restoration

  4. The QCD Phase Diagram and High-Energy Nuclear Collisions Phase Boundary RHIC,FAIR, NICA TE, Quarkyonic RHIC, SPS, FAIR 3 2 Tini, TC LHC, RHIC 1 1 2 1st order phase transition 3 Cross over Critical Point

  5. STAR Experiment MTD EMC Barrel MRPC ToF Barrel EMC End Cap FMS BBC FHC FPD TPC pp2pp’ pp2pp’ PMD trigger computing DAQ1000 COMPLETE HLT HFT FGT Ongoing R&D

  6. STARDetector Configurations • Before 2010: TPC • 2010: TPC + TOF • 2013: TPC + TOF + MTD’ • 2014: TPC + TOF + HFT + MTD • Large coverage, excellent particle ID, fast DAQ • - detector all particles produced at RHIC, except neutrinos • - multiple fold correlation measurements • - BES-I: 7.7 < √sNN< 39GeV // BES-II: √sNN< 20GeV, high luminosity • - Probes: bulk, penetrating, and bulk-penetrating • STAR: Perfect Mid-y Collider Experiment

  7. TOF and di-lepton Measurements di-leptons: BulkPenetratingProbe!

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