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February 27 , 2013 Status of STAR - A report to the Council Nu Xu

February 27 , 2013 Status of STAR - A report to the Council Nu Xu. Polarized p+p program - Study proton intrinsic properties. 2020 - eRHIC ( eSTAR ). RHIC Physics Focus. Forward program - Study low- x properties, initial condition, search for CGC

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February 27 , 2013 Status of STAR - A report to the Council Nu Xu

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  1. February 27, 2013Status of STAR - A report to the CouncilNu Xu

  2. Polarized p+p program - Study proton intrinsic properties 2020 -eRHIC (eSTAR) RHIC Physics Focus Forward 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) RHIC beam energy scan (BES) - Search for the QCD critical point - Chiral symmetry restoration

  3. Exploring the QCD Phase Structure TE RHIC, SPS 2 Large μB NICA, FAIR Tini, TC LHC, RHIC 3 1 LHC+RHIC sQGP properties √sNN ~ few TeV NICA/FAIR QCD phase structure √sNN ≤ 12 GeV 1 2 3 Partonic Matter Hadronic Matter RHIC BES-II QCD phase structure and critical point √sNN ≤ 20 GeV Future eRHIC Cold nuclear matter properties e + ion collisions Emergent properties of QCD matter

  4. QCD Phase Diagram (2010) Hot QCD Matter Cold QCD Matter • Helicity structure of proton • PDF/NPDF at small-x region K. Fukushima and T. Hatsuda, Rept. Prog. Phys. 74, 014001(2011); arXiv: 1005.4814 LHC RHIC eRHIC (EIC)

  5. STAR Detector System (2014) HFT EEMC MTD BEMC TPC FGT TOF η = -1 η = 0 η = 1

  6. Infrastructures for HFT

  7. HFT at STAR D-Tube Kinematic Mounts Read-out Sectors Pixel Support Tube (PST)

  8. MTD Installation ~ 50% MTD has been installed Trigger setup in progress

  9. Particle Identification at STAR TPC TOF TPC TPC K pd π e, μ TOF Log10(p) Charged hadrons Hyperons & Hyper-nuclei MTD HFT Jets EMC Neutral particles Jets & Correlations High pTmuons Heavy-flavor hadrons Multiple-fold correlations for the identified particles!

  10. STAR Detector Configurations • STAR: Large coverage, excellent PID, fast DAQ • - detects nearly all particles produced at RHIC • - multiple fold correlation measurements • - Probes: bulk, penetrating, and bulk-penetrating • STAR: Perfect mid-y collider experiment • STAR: Expanding into forward rapidity regions

  11. STAR Forward Upgrade Plan (2018) Built on the mid-y success: Evolution, not revolution! HFT GEM MTD BEMC TPC EEMC TOF η = -1 η = 0 η = 1 Be part of STAR’s forward upgrades! p/A e 0 HLT eSTAR taskforce: E. Sichtermann and Z.B. Xu STAR Upgrade/Decadal Plan: C. Gagliardi, H. Huang and F. Videbaek EMCal Tracking iTPC Tracking PID EM/HCal

  12. Study QCD Phase Structure HFT/MTD: HF, dileptons HFT’ BES-I e-cooling&iTPC BES-II, √sNN ≤ 20GeV STAR Core Programs Spin: Δg, W±, AN Upgrades at large-y & iTPC, CGC, pdfeSTAR/eRHIC LHC FAiRRHIC CBM Experiment (QCD phase structure) x10 x100 LHC √sNN = 5.5 TeV (sQGP properties)

  13. Future STAR Meetings

  14. Challenges in the Collaboration - Be part of STAR forward upgrade - iTPC: BNL, IU, KS, LBNL, SDU, SINAP, UC Davis, USTC - Forward-y: IU, LBNL, Penn State Texas A&M, UCLA Need more efforts!- Be part of STAR operation -Software efforts: - Operation efforts: detector maintain, Early summer, Operation Meeting with conveners. Of course, all are welcome!- Be part of STAR physics analysis- Trainor issue: solvable if the council put its act together

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