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Q uantum C hromo D ynamics

C SR- E xternal-Target-Facility E xperiment ( CEE ) Nu Xu ( 许怒 ) (1) College of Physical Science & Technology, Central China Normal University, China (2) Nuclear Science Division, Lawrence Berkeley National Laboratory, USA. Q uantum C hromo D ynamics. Long distance. Short distance.

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Q uantum C hromo D ynamics

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  1. CSR-External-Target-Facility Experiment (CEE) Nu Xu (许怒)(1) College of Physical Science & Technology, Central China Normal University, China (2) Nuclear Science Division, Lawrence Berkeley National Laboratory, USA

  2. Quantum ChromoDynamics Long distance Short distance QCD is the basic theory for strong interaction. Its degrees of freedom are well defined at short distance. Little is known regarding the dynamical structures of matter, e.g. theconfinement, nucleon spin, the QCD phase structure... Large αS and strong coupling – QCD at long distance.

  3. The QCD Phase Diagram and High-Energy Nuclear Collisions Phase Boundary FAIR, NICA, CSR TE, Quarkyonic RHIC, SPS, FAIR 3 2 Tini, TC LHC, RHIC 1 1 2 3

  4. QCD Phase Diagram (2010) Early Universe Critical point 1st Order phase transition Quarkyonic Matter Nucleonic Matter CSC A. Anton, et al. 0911.4806; K. Fukushima and T. Hatsuda, Rept. Prog. Phys. 74, 014001(2011); arXiv: 1005.4814 Extreme high baryon density, low temperature Hadronic interactions dominant Rich physics: Phase structure, Neutron star, CSC, Quarkyonic matter …

  5. Why CEE? 1) Study QCD phase structure at extremely high baryon density 2) The base for Chinese nuclear physics and the state of art technology 3) Training next generation scientists

  6. N SFC:  10 AMeV (H.I.),17~35 MeV (p) SSC: 100 AMeV (H.I.), 110 MeV (p) CSRm: 1000 AMeV (H.I.), 2.8 GeV (p) SSC SFC CSRe RIBLL2 RIBLL1 CSRm RIBLL1: RIBs at tensof AMeV RIBLL2: RIBs at hundreds of A MeV CSRe: storage ring with deceleration HIRFL-CSR Heavy Ion Beam External-Target Facility

  7. Dipole Magnet MRPC ToF MWDC Target ZDC T0 beam Si-Tracking Array (STA) iToF CEE 概念性设计 CSR-External-Target-Facility Experiment State of art technology: 1) Si pixel detector array (IMP, CCNU) 2) High counting rate time-of-flight detector (TU, USTC) 3) New data acquisition system (USTC)

  8. Observables and Participating Institutes (I) Observables: (π, nucleon and light nuclei) 1) production yields, including light-clusters 2) azimuthal distributions: vn: n=0, 1, 2, 3 3) net-charge Δch, net-proton Δp fluctuations (II) 参加单位： 1) 华中师范大学 2) 中国科技大学 3) 清华大学 4) 山东大学 5) 北京大学 6) 中国科学院上海应用核物理所 7) 中国科学院近代物理所

  9. Outlook: (7.7, 11.5, 15.5, 19.6, 27, 39,62, 200 GeV) • QGP Properties at RHIC and LHC • (0.2 - 5.5 TeV AA and pA Collisions) • Upgrade for HF hadron measurements • di-leptons: v2, pT spectra, RAA, … vs. mass Tini, TC LHC, RHIC TERHIC, SPS, FAIR Phase boundary RHIC,FAIR, NICA 3 2 1 中国兰州近代物理所 CEE CSR External-Target Experiment: Extreme high baryon density and low temperature region Strong nucleonic interactions 1 2 3 Patonic Matter Hadronic Matter Nucleonic Matter

  10. CEE: 1) Study QCD phase structure at extremely high baryon density 2) The base for Chinese nuclear physics and the state of art technology 3) Training next generation scientists

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