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高能核物理 实验 研究计划 许怒 华中师范 大学

高能核物理 实验 研究计划 许怒 华中师范 大学. 研究 量子色动力学 ( QCD ) 相结构. T E RHIC , SPS. 2. Large μ B NICA, FAIR, CSR. T ini , T C LHC , RHIC. 3. 1. LHC +RHIC QGP 的 性质 √ s NN ~ few TeV. NICA/FAIR QCD 相结构 √ s NN ≤ 12 GeV. 1. 2. 3. Partonic Matter. Hadronic Matter. RHIC BES-II QCD 相结构 & 临界点

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高能核物理 实验 研究计划 许怒 华中师范 大学

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  1. 高能核物理实验研究计划许怒华中师范大学

  2. 研究量子色动力学(QCD)相结构 TE RHIC, SPS 2 Large μB NICA, FAIR, CSR Tini, TC LHC, RHIC 3 1 LHC+RHIC QGP的性质 √sNN ~ few TeV NICA/FAIR QCD相结构 √sNN ≤ 12 GeV 1 2 3 Partonic Matter Hadronic Matter RHIC BES-II QCD相结构& 临界点 √sNN ≤ 20 GeV CSR CEE 高重子密度下的QCD相结构 √sNN ~ few GeV Emergent properties of QCD matter

  3. 华师高能核物理实验团队 RHIC STAR 国际合作组 （1999 －） 刘峰： 李志明，罗晓峰＊，施疏苏，孙向明，吴元芳，许怒 ＋7研究生 LHC ALICE 国际合作组（2009 － ) 硅探测器实验室： 黄光明, 孙向明,王东 ＋7研究生 FAIR CBM 国际合作组 (2018 - ) 周代翠： 蔡勖，裴华，王东，王亚平，殷中宝，张晓明＊ ＋ 12研究生 CSR CEE 中国合作组 ( 2013 ?- ) 团队高能核物理理论

  4. 三年研究计划 硬探针： －光子－强子关联 －光子－喷注关联 2）集体运动： －重味，光子椭圆流 －多奇异强子椭圆流 3）涨落： －净质子高阶矩

  5. LHC( √sNN ~ 0.9 – 5.5 TeV )

  6. ALICE at LHC Chinese Contributions* (Central China Normal University, China Institute Atomic Agency) ITS Upgrade: 1) ~$20M (？) 2) Complete 2018 DCal: 1) $5M (0.78M*) 2) Complete 2013 PHOS FEE: 1) $17M (1.5M*) 2) Completed 2013 关键物理: 小重子密度，μB ~ 0，区域的QGP性质

  7. 华中师大在ALICE实验中的贡献 （为主发表两篇文章） pt>6 GeV/c FONLL calculation from M. Cacciari et. al. 2.76 TeV铅-铅中重味-μ谱压低测量 7 TeV p-p碰撞中的重味-μ产生截面 PLB 708 (2012) 265 PRL 109, 112301 (2012) 检验QCD预言 探测重夸克压低效应及辐射能量损失

  8. RHIC( √sNN ~ 5 - 200 GeV )

  9. STAR at RHIC 关键物理: - QGP 性质 - QCD 相结构 1) Central China Normal University, 2) Institute of Modern Physics, 3) Shandong University, 4) Shanghai Institute of Applied Physics, 5) Tsinghua University, 6) University of Science and Technology of China Barrel MRPC MTD: 1) $2.8M (0.8*) 2) 2014 Barrel MRPC TOF: 1) $4.3M (2.3*) 2) Completed 2010 Si-Pixel HFT: 1) $16.5M (1.5*) 2) 2014 Detector operation Data calibration, analysis, publications PWG co-conveners Future upgrades and eRHIC HLT: ~ $4M (0.5*)

  10. HFT: Charm Hadron v2 and RAA • 200 GeV Au+Aum.b. • collisions (500M events). • - Charm hadron collectivity  • drag/diffusion constants  • Medium properties! • Light quark thermalization! • 200 GeV Au+Aum.b. • collisions (|y|<0.5 500M events) • Charm hadron RAA • - Energy loss mechanism! • - QCD in dense medium!

  11. Net-proton Higher Moments BES-II RHIC BES-I STAR: X.F. Luo, QM2012 STAR net-proton results: All data show deviations below Poisson beyond statistical and systematic errors in the 0-5% most central collisions for κσ2 and Sσ at all energies. Larger deviation at √sNN ~ 20GeV UrQMD model show monotonic behavior Higher statistics needed for collisions at √sNN< 20 GeV STAR Preliminary

  12. CSR( √sNN ~ 0.5 - 1 GeV ) 1）利用当前最新技术在中国已有的大型重离子加速器HIRFL-CSR 上建设一个高能重离子物理研究实验平台2) 在高能核物理领域建立一支由高校－中科院研究所密切结合的 优秀科研团队3) 为国家中长期高能核物理, 核探测技术发展及其应用做贡献

  13. HIRFL-CSR 重离子束流 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: 几十AMeV RIBs RIBLL2: 百AMeVRIBs CSRe: 冷却储存环 外靶实验 装置(CEE)

  14. CEE 概念性设计 内时间投影室 二极磁铁 飞行时间探测器 多丝漂移室 靶 零度角量能器 重离子束 T0探测器 硅径迹探测阵列 (STA) • 内飞行时间探测器 低温高密核物质测量谱仪（CEE） iTPC-上区 时间投影室 iTPC-下区 时间投影室 关键物理(2016-2018): 1) 高重子密度下的QCD相结构 2)培养下一代核物理科学家

  15. 小结 • 利用国际国内大型加速器和探测器，研究QCD自由度下的相结构。QGP的性质，临界点和相边界是研究的重点。 • 利用理论团队的优势，深入理解物理结果。 • 培养、引进优秀青年人才，扩展壮大高能核物理实验队伍。 • 促进建立国内高能核物理实验基地。 • 华师“教育部夸克轻子重点实验室”“国家重点实验室”，建设成有影响力的国际合作中心。

  16. 国际国内 实验理论 协同创新 再造辉煌

  17. Goals for Si Laboratory at CCNU (SLAC) (5-10 years) Solid detector is the future: small, efficient, wide applications 1) High Energy Physics: - LHC: ALICE-ITS upgrade (2018 - ) - RHIC: STAR-HFT upgrade (2014 - ) - FAIR: CBM-STAS (2020 - ) - CSR: CEE-STA (?? - ) 2) Applications: - Medical imagine - High tech industry - Many others …

  18. Monolithic Pixels – Le Pix LePIX: monolithic detectors in advanced CMOS • Scope: • Develop monolithic pixel detectors integrating readout and • detecting elements by porting standard 90 nm CMOS to wafers • with moderate resistivity. • Reverse bias of up to 100 V to collect signal charge by drift • Key parameters: • Very large signal to noise ratio • Low power (target) < 30mW / cm2 • Fast processing: full matrix readout at 40MHz Track in telescope of 4 planes (beam test at PSI – Nov 2011)

  19. MIC-I (MAPS in CCNU) MIC-I的照片和原理图: MIC-I是模拟输出的MAPS（Monolithic Active Pixel Sensors）芯片，电荷收集二极管大小为5微米X 5微米，像素大小20微米X 20微米阵列32X32,扫描速率为40MHz。总面积约2.5毫米X2毫米。已流片生产。

  20. MIC-II MIC-II的照片和原理图: MIC-II是模拟数字混合输出的MAPS（Monolithic Active Pixel Sensors）芯片，电荷收集二极管大小为10微米X10微米，像素大小40微米X 40微米,阵列16X16,扫描速率为40MHz。总面积约2.5毫米X2毫米。能输出入射粒子的时间信息。

  21. Outlook: Heavy Flavor Tracker at STAR SSD IST PXL HFT Magnet Return Iron FGT EAST Identify heavy flavor hadron directly Precision measurement HF hadron energy loss and collectivity Solenoid WEST

  22. Polarized p+p Program -proton intrinsic properties STAR Decadal Plan + 2020 -eRHIC (eSTAR) Small-x Physics Program - Low-x properties, initial condition, CGC -Elastic and inelastic processes in pp2pp STAR Physics Focus 1) At 200 GeV at RHIC -Deconfinement* &medium properties, EoS - pQCD in hot and dense medium 2) RHICBeam Energy Scan (BES-I) - QCD phase structure*: phase boundary & critical point - Chiral symmetry restoration* * Holy Grail for the physics of high-energy nuclear collisions

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