Nu Xu1/20STAR Regional Meeting, VECC, India, November, 2008 STAR Experiment STAR at RHIC Nu Xu Lawrence Berkeley National Laboratory.

Slides:

Advertisements

Similar presentations

Mass, Quark-number, Energy Dependence of v 2 and v 4 in Relativistic Nucleus- Nucleus Collisions Yan Lu University of Science and Technology of China Many.

Advertisements

Explore QCD Emerging Property

The Physics of HFT the Heavy Flavor Tracker at STAR Spiros Margetis Kent State University, USA Excited QCD 2010.

The Heavy Flavor Tracker (HFT) The Silicon Vertex Upgrade of RHIC Spiros Margetis Kent State University, USA Excited QCD 2010, Slovakia.

Heavy Flavor Physics in HIC with STAR Heavy Flavor Tracker Yifei Zhang (for the STAR HFT Group) Hirschegg 2010, Austria Outline:  Physics motivation 

ISMD’05, Kromeriz, Aug 09  15, Heavy  Flavor (c,b) Collectivity – Light  Flavor (u,d,s) Thermalization at RHIC Kai Schweda, University of Heidelberg.

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.

03/14/2006WWND2006 at La Jolla1 Identified baryon and meson spectra at intermediate and high p T in 200 GeV Au+Au Collisions Outline: Motivation Intermediate.

4/1/2010MRPC workshop at USTC, Lijuan Ruan (BNL)1 STAR di-lepton measurements Outline: Motivation and Introduction Results from 200 GeV p+p collisions.

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.

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,

Recent Results from STAR: Correlations James C. Dunlop Brookhaven National Laboratory for the STAR Collaboration March 20, J.C. Dunlop, Moriond.

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)

Masashi Kaneta, LBNL Masashi Kaneta for the STAR collaboration Lawrence Berkeley National Lab. First results from STAR experiment at RHIC - Soft hadron.

Nu Xu1/28VIII International Workshop on Relativistic Aspects of Nuclear Physics, Rio de Janeiro, Brazil, 3-6, November, 2008 Explore the QCD Phase Diagram.

The Heavy Flavor Tracker (HFT) An Update Spiros Margetis Kent State University, USA STAR Collaboration meeting, 2010 Nov 14, BNL.

HFT + TOF: Heavy Flavor Physics Yifei Zhang University of Science & Technology of China Lawrence Berkeley National Lab TOF Workshop, Hangzhou, April,

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.

QM’05 Budapest, HungaryHiroshi Masui (Univ. of Tsukuba) 1 Anisotropic Flow in  s NN = 200 GeV Cu+Cu and Au+Au collisions at RHIC - PHENIX Hiroshi Masui.

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

Nu Xu1/30 Explore the QCD Phase Diagram Nu Xu Lawrence Berkeley National Laboratory Many Thanks to the Organizers ATHIC 2008, Tsukuba, Japan, Oct. 13 -

Nu Xu1/17STAR Decadal Plan Meeting at UIC, September 10 th, 2010 STAR Experiment: Status & Future - Spin Structure of Proton - Properties of QCD Matter.

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.

STAR Ready to move on to 7.7 GeV Bill Christie For The STAR Collaboration April 13, Please N.B. All data plots shown in this presentation are online.

Nu Xu1/16STAR Collaboration Meeting, Nov. 12 – 17, 2010, BNL, USA STAR Experiment at RHIC: - Physics Programs - Management Issues Nu Xu.

Grazyna Odyniec STAR physics program and technical challenges with the RHIC Au+Au energy scan Grazyna Odyniec/LBNL for STAR collaboration QM 2008, Jaipur,

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.

Summer Student Practice, Dubna, 2009 Analysis of UrQMD Data Obtained for Relativistic Au+Au Collisions at 17.3 GeV for STAR detector F. Nemulodi, M.W.

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.

G. Musulmanbekov, K. Gudima, D.Dryablov, V.Geger, E.Litvinenko, V.Voronyuk, M.Kapishin, A.Zinchenko, V.Vasendina Physics Priorities at NICA/MPD.

Energy Dependence of ϕ -meson Production and Elliptic Flow in Au+Au Collisions at STAR Md. Nasim (for the STAR collaboration) NISER, Bhubaneswar, India.

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

Report from India Topical Conference on Hadron Collider Physics XIII Jan 14-20, TIFR, India Naohito Saito RIKEN/ RIKEN BNL Research Center.

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.

STAR pp Run Summary Carl Gagliardi March 11, 2008.

Nu Xu1/27International Symposium on Heavy Ion Physics, 17-20, November, 2008 Recent Results from the STAR Experiment at RHIC Nu Xu Lawrence Berkeley National.

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

The Heavy Flavor Tracker (HFT) The Silicon Vertex Upgrade of RHIC Jaiby Joseph* for the STAR Collaboration * Kent State University, USA Lake Louise.

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.

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.

High Density Matter and Searches for Huan Z. Huang Department of Physics and Astronomy University of California, Los Angeles The STAR Collaboration.

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

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.

24 June 2007 Strangeness in Quark Matter 2007 STAR 2S0Q0M72S0Q0M7 Strangeness and bulk freeze- out properties at RHIC Aneta Iordanova.

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 Xu1/36 International School of Nuclear Physics, 30 th Course, Erice-Sicily, September 2008 Explore the QCD Phase Diagram - Partonic Equation.

Systematic measurement of light vector mesons at RHIC-PHNEIX Yoshihide Nakamiya Hiroshima University, Japan (for the PHENIX Collaboration) Quark Matter.

Non-Prompt J/ψ Measurements at STAR Zaochen Ye for the STAR Collaboration University of Illinois at Chicago The STAR Collaboration:

EIC NAS review Charge-2 What are the capabilities of other facilities, existing and planned, domestic and abroad, to address the science opportunities.

Chiral Magnet Effect, where are we?

The Heavy Flavor Tracker (HFT)

Physics of the Heavy Flavor Tracker at STAR Nu Xu Nuclear Science Division Lawrence Berkeley National Laboratory Nu Xu.

Heavy Ion Physics in RUN14-16

Hiroshi Masui for the PHENIX collaboration August 5, 2005

STAR: recent results and future physics program

Presentation transcript:

Nu Xu1/20STAR Regional Meeting, VECC, India, November, 2008 STAR Experiment STAR at RHIC Nu Xu Lawrence Berkeley National Laboratory

Nu Xu2/20STAR Regional Meeting, VECC, India, November, 2008 Outline 1)Introduction 2) STAR Physics Program - Physics working group - Upgrade programs - Run plan for 2009 – 2013* * As prepared in May ) Summary and Questions

Nu Xu3/20STAR Regional Meeting, VECC, India, November, Identify and study the property of matter (EOS) with partonic degrees of freedom. - Explore the QCD phase diagram. - Study the origin of spin in p. - Investigate the physics at small-x, gluon-rich region. Physics Goals at RHIC RHIC Au+Au, Cu+Cu, d+Au, p+p at 200 – 5 GeV Polarized p+p at 200 & 500 GeV p+p, d+Au pp2pp

Nu Xu4/20STAR Regional Meeting, VECC, India, November, 2008 STAR Physics Focus 1) At 200 GeV top energy - Study medium properties, EoS - pQCD in hot and dense medium 2) RHIC beam energy scan - Search for critical point - Chiral symmetry restoration Polarized spin program - Study proton intrinsic properties Forward program - Study low-x properties, search for CGC - Study elastic (inelastic) processes (pp2pp) - Investigate gluonic exchanges

Nu Xu5/20STAR Regional Meeting, VECC, India, November, 2008 STAR Physics Working Groups 1)Spin:g contribution to spin structure 2)UPC: UPC, pp2pp 3)Heavy Flavor:c-, b-quark hadrons 4)Light Flavor Spectra: u-, d-, s-quark hadrons, di-leptons, photons 5)Bulk Correlations:v 1, v 2, correlations/fluctuations 6)Jet Correlations: high-p T triggered correlations

Nu Xu6/20STAR Regional Meeting, VECC, India, November, 2008 STAR Detector MRPC ToF barrel 100% ready for run 10 RPSD PMD FPD FMSFMS EMC barrel EMC End Cap DAQ % ready for run 9 Complete Ongoing R&D TPC FTPC Full azimuthal particle identification! γ, e, π, ρ, K, K*, p, φ, Λ, Δ, Ξ, Ω, D, Λ C, J/ψ, Υ …

Nu Xu7/20STAR Regional Meeting, VECC, India, November, 2008 STAR DetectorMRPC ToF barrel 100% ready for run 10 RPSD PMD FPD FMSFMS EMC barrel EMC End Cap DAQ1000 FGT Completed Ongoing MTD R&D HFT TPC FHC

Nu Xu8/20STAR Regional Meeting, VECC, India, November, 2008 HFT TPC FGT STAR Detectors: Full 2π particle identification! EMC+EEMC+FMS (-1 ≤  ≤ 4) TOF DAQ1000

Nu Xu9/20STAR Regional Meeting, VECC, India, November, 2008 Particle Identification at STAR STAR TPC STAR ToF STAR EMC STAR HFT Neutral particles Strange Jets Heavy Quark hyperons Hadrons Multiple-fold correlations among the identified particles! e, μ π K p d TPC ToF TPC Log 10 (p)

Nu Xu10/20STAR Regional Meeting, VECC, India, November, 2008 Particle Identification (ii) Reconstruct particles in full azimuthal acceptance of STAR! Charm Bottom

Nu Xu11/20STAR Regional Meeting, VECC, India, November, GeV Collider Acceptance √s NN 6 GeV 17 GeV √s NN = 9.2 GeV Au+Au Collisions at RHIC Fix-target Mode NA49 Collider Mode STAR

Nu Xu12/20STAR Regional Meeting, VECC, India, November, 2008 sQGP and the QCD Phase Diagram In 200 GeV Au+Au collisions at RHIC, strongly interacting matter formed: - Jet energy loss: R AA - Strong collectivity: v 0, v 1, v 2 - Hadronization via coalescence: n q -scaling Questions: Is thermalization reached at RHIC? - Systematic analysis with dN/dp T and dv 2 /dp T results… - Heavy quark measurements When (at which energy) does this transition happen? What does the QCD phase diagram look like? - RHIC Beam Energy Scan

Nu Xu13/20STAR Regional Meeting, VECC, India, November, 2008 Quark Masses 1)Higgs mass: electro-weak symmetry breaking. (current quark mass) 2)QCD mass: Chiral symmetry breaking. (constituent quark mass) éNew mass scale compared to the excitation of the system. éImportant tool for studying properties of the hot/dense medium at RHIC. éTest pQCD predictions at RHIC. Total quark mass (MeV)

Nu Xu14/20STAR Regional Meeting, VECC, India, November, 2008 Charm Hadron v 2 and R AA GeV Au+Au m.b. collisions (500M events). - Charm hadron collectivity  drag/diffusion constants  Medium properties! GeV Au+Au m.b. collisions (|y|< M events) - Charm hadron R AA  - Energy loss mechanism! - QCD in dense medium!

Nu Xu15/20STAR Regional Meeting, VECC, India, November, 2008 The QCD Phase Diagram - LGT prediction on the transition temperature, T C ~ 170 MeV. - LGT calculation, universality, and models point to the existence of the critical point on the QCD phase diagram* at finite baryon chemical potential. - Experimental evidence for either the critical point or 1 st order transition is important for our knowledge of the QCD phase diagram*. * Thermalization is assumed Stephanov, Rajagopal, and Shuryak, PRL 81, 4816(98) Rajagopal, PR D61, (00) Science.Low-Res.pdfhttp:// Science.Low-Res.pdf STAR’s plan: run10: RHIC Beam Energy Scan run11: Heavy Quark measurements

Nu Xu16/20STAR Regional Meeting, VECC, India, November, 2008 Au + Au Collisions at 9.2 GeV 1)~ 3500 collisions collected 2)Determine Luminosity 3)STAR has preliminary results on: Particle identification in TPC; charged multiplicity,  -  interferometry, particle spectra and ratios; v 1 and v 2 PID will be further significantly extended using full TOF. (Lokesh SQM08)

Nu Xu17/20STAR Regional Meeting, VECC, India, November, 2008 Run 9: 25 Cryo-week (scenario I) STAR priorities for Runs 9 and 10: (1)200 GeV longitudinally polarized p+p -  g(x ) (2) Beam energy scan down to  s NN ~ 5-6 GeV - Search for the QCD critical point ** C-AD transverse stochastic cooling test important! **

Nu Xu18/20STAR Regional Meeting, VECC, India, November, 2008 Runs (30 cryo-week/yr) Run 11: (i) 1 st measurement of flavor dependence of sea q/anti-q polarization in the proton at  s = 500 GeV p+p collisions (ii) HFT engineering prototyping in  s NN = 200 GeV U+U collisions Run 12: Anticipating RHIC-II high luminosity (i) 1 st HFT physics measurements of charm hadron v 2 (p T ) and R CP (p T ) in  s NN = 200 GeV Au+Au collisions (ii) Focused energy-scan in the search for the QCD critical point. Prior accelerator development is crucial at  s NN = 5-6 GeV (iii) gamma-jet and quarkonia states measurements Run 13: (i) HFT physics reference measurement of charm hadron spectra in  s = 200 GeV pp collisions; complete remaining  s = 200 GeV spin milestones. (ii) Measurement of the x dependence of W production at  s = 500 GeV FGT HFT

Nu Xu19/20STAR Regional Meeting, VECC, India, November, 2008 Run 09: p+p collisions Starts on Feb. 2, GeV p+p collisions - total of 10 cryo-weeks => ends on April 5 th 5 weeks at 500 GeV - IF sufficient fy09 funds arrives total of 22 cryo-weeks => 4 weeks at 500 GeV plus weeks at 200 GeV longitudinally polarized p+p collisions to measure  g(x) at a FoM: 6.5 pb -1 Run 06 Run 09 de Florian et al, arXiv:

Nu Xu20/20STAR Regional Meeting, VECC, India, November, 2008 Summary STAR collaboration and its physics program are strong: - more groups join in - best positioned for Exploring the QCD phase diagram - best equipped for  g measurements at the highest energy polarized proton collider - Excellent for precision measurements and great potential for new discoveries Complementary to ALICE at LHC at higher energy Complementary to CBM at FAIR at lower energy Problems: (1) Stable funding for upgrades and beam time (2) Need more collaborators to work on detector