Nu Xu1/20 ”ATHIC2012“, Pusan, Korea, November 14 - 17, 2012 QCD in the Twenty-First Century (1)Higgs (-like) Particle – - Origin of Mass, QCD dof - Standard.

Slides:

Advertisements

Similar presentations

Explore QCD Emerging Property

Advertisements

Aug , 2005, XXXV ISMD, Czech X.Dong, USTC 1 Open charm production at RHIC Xin Dong University of Science and Technology of China - USTC  Introduction.

First Alice Physics Week, Erice, Dec 4  9, Heavy  Flavor (c,b) Collectivity at RHIC and LHC Kai Schweda, University of Heidelberg A. Dainese,

Jet probes of nuclear collisions: From RHIC to LHC Dan Magestro, The Ohio State University Midwest Critical Mass October 21-22, 2005.

Nu Xu1/32“Critical Point and Onset of De-confinement”, August, 2010, JINR, Dubna High-Energy Nuclear Collisions and the QCD Phase Structure Nu Xu.

Relativistic Heavy-Ion Collisions: Recent Results from RHIC David Hardtke LBNL.

DNP03, Tucson, Oct 29, Kai Schweda Lawrence Berkeley National Laboratory for the STAR collaboration Hadron Yields, Hadrochemistry, and Hadronization.

Forward-Backward Correlations in Heavy Ion Collisions Aaron Swindell, Morehouse College REU Cyclotron 2006, Texas A&M University Advisor: Dr. Che-Ming.

Nu XuInternational Conference on Strangeness in Quark Matter, UCLA, March , 20061/20 Search for Partonic EoS in High-Energy Nuclear Collisions Nu.

5-12 April 2008 Winter Workshop on Nuclear Dynamics STAR Particle production at RHIC Aneta Iordanova for the STAR collaboration.

Heavy Ion Physics in Future -- Dense Matter Physics & Critical Point Search Nu Xu Nuclear Science Division Lawrence Berkeley National Laboratory Many Thanks.

DPG spring meeting, Tübingen, March Kai Schweda Lawrence Berkeley National Laboratory for the STAR collaboration Recent results from STAR at RHIC.

Charmonium Production in Heavy-Ion Collisions Loïc Grandchamp Lawrence Berkeley National Laboratory Texas A&M, Dec. 10 th 2004 w/ R. Rapp.

Nu Xu1/17STAR Regional Meeting, Warsaw University of Technology, November 5 th, 2012, Warsaw STAR November 5, 2012 Status of STAR Experiment at RHIC Study.

STAR Physics Program at RHIC Nu Xu Nuclear Science Division Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA.

QCD Phase Boundary and the Critical Point B. Mohanty (1), X.F. Luo (2,3), H.G. Ritter (3) and N. Xu (3) (1)VECC, Kolkata, , India (2)Modern Physics.

ICPAQGP 2010, Goa, India High-Energy Nuclear Collisions and QCD Phase Structure Nu Xu (1) Nuclear Science Division, Lawrence Berkeley National Laboratory,

Nu Xu1/17 24 th CBM Collaboration Meeting, Krakow, Poland, September 8 – 12, 2014 Study the QCD Phase Structure at the High Baryon Density Nu Xu (1,2)

Nu Xu1/15 STAR Collaboration Meeting, BNL, February 24 – March 1, 2013 February 27, 2013 Status of STAR - A report to the Council Nu Xu.

Nu Xu1/12 ”DNP“, Newport Beach, California, December , 2012 Energy Dependence of the High Moments from Transport Model Simulations Xiaofeng Luo.

Nu Xu1/28 Fluctuations, Correlations and RHIC Low Energy Runs, BNL, October 3 – 5, 2011 STAR Study QCD Phase Structure in STAR Experiment Nu Xu (1) Nuclear.

In-Kwon YOO Pusan National University Busan, Republic of KOREA SPS Results Review.

Matter System Size and Energy Dependence of Strangeness Production Sevil Salur Yale University for the STAR Collaboration.

Higher moments of net-charge multiplicity distributions at RHIC energies in STAR Nihar R. Sahoo, VECC, India (for the STAR collaboration) 1 Nihar R. Sahoo,

Third Moments of Conserved Charges in Phase Diagram of QCD Masakiyo Kitazawa (Osaka Univ.) M. Asakawa, S. Ejiri and MK, PRL103, (2009). Baryons’10,

Xiaofeng Luo1 / 26 RBRC Workshop, BNL, USA, Feb , 2015 Fluctuations of Conserved Quantities in High Energy Nuclear Collisions at RHIC Xiaofeng.

Study of the QCD Phase Structure through High Energy Heavy Ion Collisions Bedanga Mohanty National Institute of Science Education and Research (NISER)

Nu Xu1/33Nuclear Physics Seminar, LANL, October 21, 2009 STAR Experiment STAR Physics Program Nu Xu Lawrence Berkeley National Laboratory.

STAR Physics Program with the TOF Nu Xu for the STAR Collaboration Nuclear Science Division Lawrence Berkeley National Laboratory.

J/Ψ PRODUCTION IN A+A COLLISIONS AT STAR Ota Kukral for the STAR Collaboration Czech Technical University in Prague RHIC & AGS Annual Users’ Meeting 17.

Nu Xu1/35 RNC Meeting, Berkeley, February 21, 2012 Beam Energy Scan at RHIC - A status report from STAR Nu Xu (1) Nuclear Science Division, Lawrence Berkeley.

1 Jeffery T. Mitchell – Quark Matter /17/12 The RHIC Beam Energy Scan Program: Results from the PHENIX Experiment Jeffery T. Mitchell Brookhaven.

Search for the QCD Critical Point Gary D. Westfall Michigan State University For the STAR Collaboration Gary Westfall for STAR – Erice,

Hadron Collider Physics 2012, 12/Nov/2012, KyotoShinIchi Esumi, Univ. of Tsukuba1 Heavy Ion results from RHIC-BNL ShinIchi Esumi Univ. of Tsukuba Contents.

CCAST, Beijing, China, 2004 Nu Xu //Talk/2004/07USTC04/NXU_USTC_8July04// 1 / 26 Collective Expansion in Relativistic Heavy Ion Collisions -- Search for.

Physics of Dense Matter in Heavy-ion Collisions at J-PARC Masakiyo Kitazawa J-PARC 研究会、 2015/8/5 、 J-PARC.

Masashi Kaneta, First joint Meeting of the Nuclear Physics Divisions of APS and JPS 1 / Masashi Kaneta LBNL

Round Table Workshop on NICA Physics Dubna,September 9-12,20091 J/Ψ Production in Heavy Ion Collisions J/Ψ Production in Heavy Ion Collisions Pengfei ZHUANG.

Workshop on QCD and RHIC Physics, Hefei, July Heavy Flavors in High Energy Nuclear Collisions ZHUANG Pengfei (Tsinghua University, Beijing) ● J/Psi.

HIRSCHEGG, January , 2005 Nu Xu //Talk/2005/01Hirschegg05// 1 / 24 Search for Partonic EoS in High-Energy Collisions Nu Xu Lawrence Berkeley National.

Nu Xu1/18STAR Decadal Plan Meeting at UIC, September 10 th, 2010 High-Energy Nuclear Collisions and QCD Phase Structure What is the phase structure of.

Robert Pak (BNL) 2012 RHIC & AGS Annual Users' Meeting 0 Energy Ro Robert Pak for PHENIX Collaboration.

Search for QCD Critical Point at RHIC Bedanga Mohanty National Institute of Science Education and Research (NISER) Outline:  Phase diagram of QCD  Observables.

R ECENT RESULTS ON EVENT - BY - EVENT FLUCTUATIONS FROM RHIC BEAM ENERGY SCAN PROGRAM AT STAR EXPERIMENT Nihar R. Sahoo (for the STAR Collaboration) Texas.

Nu XuDirector’s Review, LBNL, May 17, 20061/23 Future Program for Studying Bulk Properties in High-Energy Nuclear Collisions Nu Xu.

1 Guannan Xie Nuclear Modification Factor of D 0 Mesons in Au+Au Collisions at √s NN = 200 GeV Lawrence Berkeley National Laboratory University of Science.

X. DongAug , 2014 TPD RBRC Workshop, BNL Dielectron Mass Spectrum & Elliptic Flow at Au+Au 200 GeV Xin Dong Lawrence Berkeley National Laboratory.

X. Dong Nov. 27th, 2012 Director’s Review STAR RNC Xin Dong Nuclear Science Division / LBNL 1) QCD in cold nuclear matter 2) QCD in hot nuclear.

Nu Xu1/26 ”The 20 th CBM Collaboration Meeting“, Kolkata, India, September 24 – 28, 2012 Results from RHIC Beam Energy Scan-I Nu Xu (1,2) Outline: 1) Introduction.

Results from ALICE Christine Nattrass for the ALICE collaboration University of Tennessee at Knoxville.

Quantitative Comparison of Viscous Hydro with Data What is needed to make progress: the STAR-flavored view Nu Xu (for STAR Collaboration) Nuclear Science.

1 Cold and Hot nuclear matter effects on Charmonium production Kai Zhou (Tsinghua University,Beijing) In collaboration with: Baoyi Chen (Tsinghua University)

Nu Xu1/7STAR Analysis Meeting, Junior Meeting, April 16 th, 2012, BNL STAR STAR Experiment Nu Xu - Introduction: Structure of the QCD Matter - Near future.

1 Probing dense matter at extremely high temperature Rudolph C. Hwa University of Oregon Jiao Tong University, Shanghai, China April 20, 2009.

Mass states of light vector mesons are considered to be sensitive probes of partial chiral symmetry restoration theoretically expected in high energy and/or.

Nu Xu STAR Regional Meeting, NISER, BHUBANESWAR, India, February , /25 Future Direction?! Nu Xu (1,2) (1) College of Physical Science & Technology,

STAR Physics Program Nu Xu Nuclear Science Division Lawrence Berkeley National Laboratory Many thanks to the organizers: Z.T. Liang, Q.H. Xu, P. Zhuang.

Nu Xu“Hot and Dense Matter in the RHIC-LHC Era”, Mumbai, India, February 12-14, 20081/27 Many Thanks to the Conference Organizers Partonic EoS at RHIC.

Nu Xu The 6 th Asia Triangle Heavy-Ion Conference, New Delhi, India, February , /25 “ The 6th Asian Triangle Heavy-Ion Conference ” – New.

05/23/14Lijuan Ruan (BNL), Quark Matter The low and intermediate mass dilepton and photon results Outline: Introduction New results on dileptons.

Heavy Flavor Measurements at RHIC&LHC W. Xie (Purdue University, West Lafayette) W. Xie (Purdue University, West Lafayette) Open Heavy Flavor Workshop.

PHENIX Results from the RHIC Beam Energy Scan Brett Fadem for the PHENIX Collaboration Winter Workshop on Nuclear Dynamics 2016.

Nu Xu1/23 Seminar, USTC, Modern Physics Department, October 16, 2014 Study the QCD Phase Structure in High-Energy Nuclear Collisions Nu Xu (1,2) Outline:

J. Zhao Hard Probe 2012, Cagliari 1, Lawrence Berkeley National Lab, USA 2, Shanghai Institution of Applied Physics, CAS, China Di-electron Production.

CSR-External-Target-Facility Experiment (CEE) Nu Xu (许怒) (1) College of Physical Science & Technology, Central China Normal University, China.

Review of ALICE Experiments

Phase transitions and critical fluctuations

Heavy-Flavour Physics in Heavy-Ion Collisions

用重味探测夸克胶子等离子体 Heavy Flavor as a Probe of Quark-Gluon Plasma

Presentation transcript:

Nu Xu1/20 ”ATHIC2012“, Pusan, Korea, November , 2012 QCD in the Twenty-First Century (1)Higgs (-like) Particle – - Origin of Mass, QCD dof - Standard Model  The Theory (2) QCD Emerging Properties – - Confinement, χ C symmetry - QCD Phase Structure - Nucleon helicity structure - … - Non-linear QCD at small-x - …

Nu Xu2/20 ”ATHIC2012“, Pusan, Korea, November , 2012 High-Energy Nuclear Collisions and QCD Phase Structure Nu Xu (1,2) (1) College of Physical Science & Technology, Central China Normal University, Wuhan, , China (2) Nuclear Science Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA

Nu Xu3/20 ”ATHIC2012“, Pusan, Korea, November , T E RHIC, SPS, FAIR 3 3 Phase boundary RHIC, FAIR, NICA Exploring the QCD Phase Structure 1 1 T ini, T C LHC, RHIC 2 Partonic Matter Hadronic Matter

Nu Xu4/20 ”ATHIC2012“, Pusan, Korea, November , 2012 QCD Thermodynamics SB Ideal Gas RHICLHC 1)At μ B = 0: cross over transition, 150 < T c < 200 MeV 2)The SB ideal gas limit: T/T c ~ )T ini (LHC) ~ 2-3*T ini (RHIC) 4)Thermodynamic evolutions are similar for RHIC and LHC Zoltan Fodor, Lattice 2007

Nu Xu5/20 ”ATHIC2012“, Pusan, Korea, November , 2012 Jets at SPS, RHIC and LHC 1)Stronger suppression at higher collision energies 2)R AA ~ 0.5 for charged hadrons at high p T (~100 GeV/c) in central Pb+Pb central collisions Nuclear modification factor:

Nu Xu6/20 ”ATHIC2012“, Pusan, Korea, November , 2012 Medium Effects: Quarkonia key words: thermometer, deconfinement, Debye screen, regeneration (coalescence)

Nu Xu7/20 ”ATHIC2012“, Pusan, Korea, November , 2012 J/ψ Suppression or Enhancement mid-rapidity forward-rapidity 1)Due to large charm production cross section at LHC and coalescence process, the J/ψ R AA increased in mid-rapidity at central collisions. More such increase is expected in √s NN = 5.5 TeV Pb+Pb collisions. 2)Both suppression: “Debye Screening” and the recent observed increase: “Coalescence”, demonstrating the sQGP medium effect.

Model Comparisons mid-rapidity forward-rapidity 1)Models predict yield R AA well. 2)To indentify the production mechanism and study the properties of the medium: shadowing, collectivity, coalescence, etc, study: More see Pengfei’s talk.

Upsilon Productions 1)Temperature measurement? 2)Systematic study transverse momentum dependence of quarkonia productions in high-energy nuclear collisions:

Nu Xu10/20 ”ATHIC2012“, Pusan, Korea, November , 2012 Medium Effects: Collectivity key words: partonic collectivity, thermalization, perfect liquid

1)Collectivity increase as collision energy 2) √s NN > 39 GeV, partonic dominant √s NN ≤ 11 GeV, hadronic dominant STAR data: arXiv: ALICE data: Phys. Rev. Lett. 105, (2010) Collectivity vs. Collision Energy

Nu Xu12/20 ”ATHIC2012“, Pusan, Korea, November , 2012 Collectivity ~ Collision Energy ALICE: PRL105, (10); arXiv: STAR: PRC66, (02); PRC72, (05); PHENIX: PRL98, (07); PHOBOS: PRL98, (07) CERES: NPA698, 253c(02); E877: NPA638, 3c(98); E895: PRL83, 1295(99). STAR Preliminary

Nu Xu13/20 ”ATHIC2012“, Pusan, Korea, November , 2012 Di-electrons: √s NN Dependence 1)Di-lepton: penetrating-bulk probe 2)LMR: no significant energy dependence in enhancement 3)Future: focus in 1 < m ll < 3 GeV/c 2, to - Measure correlated charm contributions - Extract direct radiation information

Nu Xu14/20 ”ATHIC2012“, Pusan, Korea, November , 2012 Light hadron collectivity: partonic + hadronic Light hadron collectivity: partonic + hadronic (s, c) hadron collectivity: partonic! (s, c) hadron collectivity: partonic! Di-leptons (m > 1 GeV) collectivity: 1) partonic 2) direct radiation Di-leptons (m > 1 GeV) collectivity: 1) partonic 2) direct radiation √s NN = 200 GeV Au + Au Collisions Future: Partonic Collectivity, Direct Radiation

Nu Xu15/20 ”ATHIC2012“, Pusan, Korea, November , 2012 sQGP and QCD Phase Structure sQGP formed at μ B ~ 0: - Collectivity: NCQ scaling in v 2, … - Jet-quenching, Quarkonia, γ, … RHIC BES-I Program: - Partonic dominant: √s NN > 39 GeV (μ B ≤ 100 MeV) - Hadronic dominant: √s NN ≤ 11.5 GeV (μ B ≥ 300 MeV) What is the structure of the QCD phase diagram? - phase boundary? - QCD critical point? Observations: (1) Azimuthally HBT 1st order phase transition (2) Directed flow v 1 1st order phase transition (3) Dynamical correlations partonic vs. hadronic dof (4) v 2 - NCQ scaling partonic vs. hadronic dof (5) Fluctuations Critical point, correl. length - /public/sn arXiv:

Nu Xu16/20 ”ATHIC2012“, Pusan, Korea, November , 2012 Medium Effects: Critical Point key words: QGP phase, hadronic phase, 1 st order phase boundary, critical end point, correlation length, critical slowing down...

Nu Xu17/20 ”ATHIC2012“, Pusan, Korea, November , 2012 Higher Moments 1) High moments for conserved quantum numbers: Q, S, B, in high-energy nuclear collisions 2)Sensitive to critical point (ξ correlation length): 3)Direct comparison with Lattice results: 4)Extract susceptibilities and freeze-out temperature. An independent/important test on thermal equilibrium in heavy ion collisions. - A. Bazavov et al (NLOTE) - STAR Experiment: PRL105, 22303(2010) - M. Stephanov: PRL102, (2009) - R.V. Gavai and S. Gupta, PLB696, 459(2011) - S. Gupta, et al., Science, 332, 1525(2011) - F. Karsch et al, PLB695, 136(2011) - M.Cheng et al, PRD79, (2009) - Y. Hatta, et al, PRL91, (2003) M. Cheng et al, PRD79, (2009) R. Gavai and S. Gupta, QM2012

Nu Xu18/20 ”ATHIC2012“, Pusan, Korea, November , 2012 Higher Moment: Net-charge STAR Preliminary - PHENIX: E. O’Brien, QM STAR: D. McDonald, QM HRG Model: K. Redlich et al, private communications, 2011

Nu Xu19/20 ”ATHIC2012“, Pusan, Korea, November , 2012 STAR net-proton results: 1)All data show deviations below Poisson beyond statistical and systematic errors in the 0-5% most central collisions for κσ 2 and Sσ at all energies. 2)UrQMD model show monotonic behavior 3)Higher statistics needed for collisions at √s NN < 20 GeV Net-proton Higher Moments STAR Preliminary STAR: X.F. Luo, QM2012

Nu Xu20/20 ”ATHIC2012“, Pusan, Korea, November , 2012 Summary and Outlook 1) Heavy flavor: (a) NMF for HF jets and hadrons  extract transport properties and understand energy loss mechanism (b) Collectivity of HF hadrons  thermalization of the medium 2) Di-lepton: p T, v 2, R AA, polarization  temperature and collectivity of the partonic medium 3) RHIC BES-II/NICA/FAIR at √s NN < 20 GeV  exploring QCD phase diagram, search for the possible critical point, quarkyonic matter 4) small-x (forward-y) physics  exploring the structure of cold nuclear matter, dynamical evolution from the CNM to sQGP LHC/RHIC provides unique opportunities for exploring matter with QCD degrees of freedom!

Nu Xu21/20 ”ATHIC2012“, Pusan, Korea, November , T E RHIC, SPS 3 3 Large μ B NICA, FAIR, CSR 研究量子色动力学 (QCD) 相结构 1 1 T ini, T C LHC, RHIC 2 Partonic Matter Hadronic Matter LHC+RHIC sQGP properties √s NN ~ few TeV LHC+RHIC sQGP properties √s NN ~ few TeV RHIC BES-II QCD phase structure and critical point √s NN ≤ 20 GeV RHIC BES-II QCD phase structure and critical point √s NN ≤ 20 GeV NICA/FAIR QCD phase structure √s NN ≤ 12 GeV NICA/FAIR QCD phase structure √s NN ≤ 12 GeV Future eRHIC Cold nuclear matter properties e + ion collisions Future eRHIC Cold nuclear matter properties e + ion collisions Emergent properties of QCD matter

Nu Xu22/20 ”ATHIC2012“, Pusan, Korea, November , 2012