What do we Learn From Azimuthal Correlation Measurements in PHENIX Roy. A. Lacey Nuclear Chemistry, SUNY, Stony Brook.

Slides:

Advertisements

Similar presentations

N. N. Ajitanand Nuclear Chemistry, SUNY, Stony Brook For the PHENIX Collaboration Two and Three particle Flavor Dependent Correlations.

Advertisements

Joakim Nystrand, Universitetet i Bergen Evalueringsmøte Oslo Physics with ALICE Joakim Nystrand Institutt for Fysikk og Teknologi, Universitetet.

Azimuthal Correlation Studies Via Correlation Functions and Cumulants N. N. Ajitanand Nuclear Chemistry, SUNY, Stony Brook.

Multi-Particle Azimuthal Correlations at RHIC !! Roy A. Lacey USB - Chem (SUNY Stony Brook ) What do they tell us about Possible Quenching?

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.

R. Lacey, SUNY Stony Brook 1 Arkadij Taranenko Quark Matter 2006 November 13-20, Shanghai, China Nuclear Chemistry Group SUNY Stony Brook, USA PHENIX Studies.

R. Lacey, SUNY Stony Brook 1 Arkadij Taranenko Helmholtz International Summer School: “Dense Matter In Heavy Ion Collisions and Astrophysics” Dubna, Russia,

Elliptic flow of thermal photons in Au+Au collisions at 200GeV QNP2009 Beijing, Sep , 2009 F.M. Liu Central China Normal University, China T. Hirano.

1 Jet Structure of Baryons and Mesons in Nuclear Collisions l Why jets in nuclear collisions? l Initial state l What happens in the nuclear medium? l.

TJH: ISMD 2005, 8/9-15 Kromeriz, Czech Republic TJH: 1 Experimental Results at RHIC T. Hallman Brookhaven National Laboratory ISMD Kromeriz, Czech Republic.

Multiparticle Correlations and Charged Jet Studies in p+p, d+Au, and Au+Au Collisions at  s NN =200 GeV. Michael L. Miller Yale University For the STAR.

1Erice 2012, Roy A. Lacey, Stony Brook University.

R. Lacey, SUNY Stony Brook 1 Arkadij Taranenko Winter Workshop on Nuclear Dynamics Big Sky, MT February 12-17,2007 Nuclear Chemistry Group SUNY Stony Brook,

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

1 Unveiling Jet Topology via Multi- Particle Correlations Unveiling Jet Topology via Multi- Particle Correlations N. N. Ajitanand Nuclear Chemistry, SUNY,

Roy A. Lacey, Stony Brook; 24 th Winter Workshop on Nuclear Dynamics, April 5-12, Roy A. Lacey Prospects for locating the QCD Critical End Point.

System size and beam energy dependence of azimuthal anisotropy from PHENIX Michael Issah Vanderbilt University for the PHENIX Collaboration QM2008, Jaipur,

Identified and Inclusive Charged Hadron Spectra from PHENIX Carla M Vale Iowa State University for the PHENIX Collaboration WWND, March

Interaction between jets and dense medium in heavy-ion collisions Rudolph C. Hwa University of Oregon TsingHua University, Beijing, China May 4, 2009.

WWND, San Diego1 Scaling Characteristics of Azimuthal Anisotropy at RHIC Michael Issah SUNY Stony Brook for the PHENIX Collaboration.

High p T  0 Production in p+p, Au+Au, and d+Au Stefan Bathe UC Riverside for the Collaboration Topics in Heavy Ion Collisions McGill University, Montreal,

Collective Flow in Heavy-Ion Collisions Kirill Filimonov (LBNL)

N. N. Ajitanand Nuclear Chemistry,SUNY, Stony Brook For the PHENIX Collaboration Three-Particle Correlations From PHENIX to Investigate the Properties.

Roy A. Lacey, Stony Brook; EDT-HIC, McGill, Montreal, Canada, July 16-19, Roy A. Lacey New Prospects for locating the Critical End Point (CEP) in.

1 Jet Structure of Baryons and Mesons in Nuclear Collisions l Why jets in nuclear collisions? l Initial state l What happens in the nuclear medium? l.

N. N. Ajitanand Nuclear Chemistry, SUNY, Stony Brook For the PHENIX Collaboration Two and Three particle Flavor Dependent Correlations Remember the hungarian.

M. Issah QM04 1 Azimuthal Anisotropy Measurements in PHENIX via Cumulants of Multi-particle Azimuthal Correlations Michael Issah (SUNY Stony Brook ) for.

Jet quenching and direct photon production F.M. Liu 刘复明 Central China Normal University, China T. Hirano 平野哲文 University of Tokyo, Japan K.Werner University.

Roy A. Lacey (SUNY Stony Brook ) C ompressed B aryonic at the AGS: A Review !! C ompressed B aryonic M atter at the AGS: A Review !!

09/15/10Waye State University1 Elliptic Flow of Inclusive Photon Ahmed M. Hamed Midwest Critical Mass University of Toledo, Ohio October, 2005 Wayne.

1 Highlights of RHIC Results Ju Hwan Kang Yonsei University 2008 APCTP Workshop on "Nuclear Physics in Science Business Belt: Future Heavy Ion Accelerator.

U N C L A S S I F I E D Operated by the Los Alamos National Security, LLC for the DOE/NNSA Slide 0 Study of the Quark Gluon Plasma with Hadronic Jets What:

Presentation for NFR - October 19, Trine S.Tveter Recent results from RHIC Systems studied so far at RHIC: - s NN 1/2 = 

Ralf Averbeck Stony Brook University Hot Quarks 2004 Taos, New Mexico, July 19-24, 2004 for the Collaboration Open Heavy Flavor Measurements with PHENIX.

Probing the properties of dense partonic matter at RHIC Y. Akiba (RIKEN) for PHENIX collaboration.

John Harris (Yale) LHC Conference, Vienna, Austria, 15 July 2004 Heavy Ions - Phenomenology and Status LHC Introduction to Rel. Heavy Ion Physics The Relativistic.

Jet Jet Tomography of Hot & Dense Matter Xin-Nian Wang LBNL, June 25, 2003.

Roy A. Lacey, Stony Brook University; QM11, Annecy, France 2011.

Roy A. Lacey, Stony Brook, ISMD, Kromĕříž, Roy A. Lacey What do we learn from Correlation measurements at RHIC.

21 st WWND, W. Holzmann Wolf Gerrit Holzmann (Nuclear Chemistry, SUNY Stony Brook) for the Collaboration Tomographic Studies of the sQGP at RHIC: the next.

24 Nov 2006 Kentaro MIKI University of Tsukuba “electron / photon flow” Elliptic flow measurement of direct photon in √s NN =200GeV Au+Au collisions at.

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

1 1. Characteristics of the Medium 2. Jet-medium interactions  Extraction of jet functions 3. Summary of few things learned “Any man who knows all the.

Measurement of Azimuthal Anisotropy for High p T Charged Hadrons at RHIC-PHENIX The azimuthal anisotropy of particle production in non-central collisions.

Kirill Filimonov, ISMD 2002, Alushta 1 Kirill Filimonov Lawrence Berkeley National Laboratory Anisotropy and high p T hadrons in Au+Au collisions at RHIC.

Squaw Valley, Feb. 2013, Roy A. Lacey, Stony Brook University Take home message  The scaling (p T, ε, R, ∆L, etc) properties of azimuthal anisotropy.

Wolf G. Holzmann (SUNY Stony Brook) for the PHENIX Collaboration Angular Correlation Studies in PHENIX Wolf G. Holzmann for the Collaboration.

Xin-Nian Wang/LBNL QCD and Hadronic Physics Beijing, June 16-20, 2005 Xin-Nian Wang 王新年 Lawrence Berkeley National Laboratory Jet Tomography of Strongly.

Elliptic Flow of Inclusive Photon Elliptic Flow of Inclusive Photon Ahmed M. Hamed Midwest Critical Mass University of Toledo, Ohio Oct. 22,

1 RIKEN Workshop, April , Roy A. Lacey, Stony Brook University Primary focus: Scaling properties of flow & Jet quenching.

1 Roy A. Lacey, Stony Brook University; ICFP 2012, June, Crete, Greece Essential Question  Do recent measurements at RHIC & the LHC, give new insights.

P 1 Hot Topics in Hot Matter 2012, Roy A. Lacey, Stony Brook University II. “We don’t stop playing because we grow old; we grow old because we stop playing.”

R. Lacey, SUNY Stony Brook 1 Arkadij Taranenko XVIII Baldin ISHEPP September 25-30, JINR Dubna Nuclear Chemistry Group SUNY Stony Brook, USA Scaling Properties.

PHENIX. Motivation Collaboration PHENIX Roy A. Lacey (SUNY Stony Brook) PHENIX Collaboration I N T E R N A T I O N A L W O R K S H O P O N T H E P H.

What do the scaling characteristics of elliptic flow reveal about the properties of the matter at RHIC ? Michael Issah Stony Brook University for the PHENIX.

Duke University 野中千穂 Hadron production in heavy ion collision: Fragmentation and recombination in Collaboration with R. J. Fries (Duke), B. Muller (Duke),

Recontres de Moriond, March

for the ALICE collaboration University of Tennessee at Knoxville

Heavy-Flavour Physics in Heavy-Ion Collisions

Experimental Studies of Quark Gluon Plasma at RHIC

The Study of Elliptic Flow for PID Hadron at RHIC-PHENIX

International CCAST Summer School and Workshop on QCD and RHIC Physics

Comments on RHIC Results

QGP at RHIC: Seen through Modified Jet Fragmentation

of Hadronization in Nuclei

Shengli Huang Vanderbilt University for the PHENIX Collaboration

Introduction of Heavy Ion Physics at RHIC

First Hints for Jet Quenching at RHIC

Identified Particle Production at High Transverse Momentum at RHIC

Modified Fragmentation Function in Strong Interaction Matter

Presentation transcript:

What do we Learn From Azimuthal Correlation Measurements in PHENIX Roy. A. Lacey Nuclear Chemistry, SUNY, Stony Brook

R. Lacey, SUNY Stony Brook A Cue from Lattice QCD: Phase Transition Probes that indicate equilibrated nuclear matter with ε > 1 GeV/fm 3 are of particular Interest MotivationMotivation

R. Lacey, SUNY Stony Brook In-plane Out-of-plane Correlation Function Harmonic Jet Function Azimuthal Correlations Provide Direct Access to the Properties of the High Energy Density Matter Created at RHIC Why is the Correlation Probe Compelling ? Why is the Correlation Probe Compelling ? Azimuthal Correlations are derived from Harmonic and di-jet contributions

R. Lacey, SUNY Stony Brook What Information do Correlation Measurements Provide ? A Direct Route for the Study of Jets Characterization of Jet Topologies in pp, dA & AA Quantification of Medium Induced Modifications to Topologies  Crucial for study of the properties of the medium Tomographic Imaging of Hot and Dense Partonic Matter Reliable Pressure Estimates: Thermalization Opacity of the Medium EOS Simultaneous Study of Harmonic and Jet Correlations is Crucial

R. Lacey, SUNY Stony Brook The Energy Density is Well Above the Predicted Value for the Phase Transition ! Substantial Energy Energy Density Created at RHIC ! Substantial Energy Energy Density Created at RHIC ! PRL87, (2001) Central collisions peripheral collisions time to thermalize the system (  0 ~ fm/c)  Bjorken  ~ GeV/fm 3 ~ 35 – 100 ε 0 Extrapolation From E T Distributions

R. Lacey, SUNY Stony Brook time to thermalize the system (  0 ~ fm/c)  Bjorken  ~ GeV/fm 3 Extrapolation From E T Distributions Is the Energy Thermalized ? Is the Energy Thermalized ? A Reliable Pressure Measurement gives Insight:  Elliptic Flow

R. Lacey, SUNY Stony Brook Correlation Functions Substantial Signals Attributable to Flow and Jets are observed ? PHENIX PRELIMINARY

R. Lacey, SUNY Stony Brook V 2 data Substantial Signals Atributable to Flow are observed ? Indicative of Early Themalization -  Large Pressures, Jets correlate with RP phenix preliminary nucl-ex/

R. Lacey, SUNY Stony Brook v2 apparently Saturates Are we in the v2 plateau ? Energy Dependence

R. Lacey, SUNY Stony Brook Comparison with results from SPS

R. Lacey, SUNY Stony Brook  Very Large Pressure Gradients Non Trivial !!  Scaling not Incompatible with Recombination Scaling Tests How Large is the Pressure ? How Large is the Pressure ? Hydro Limit

R. Lacey, SUNY Stony Brook  Scaled v2 should give similar values !! Is the Opacity Large ? Is the Opacity Large ? Hydro Limit Molnar et al.

R. Lacey, SUNY Stony Brook  Scaled v2 compatible with large Opacities Is the Opacity Large ? Is the Opacity Large ? PHENIX Preliminary

R. Lacey, SUNY Stony Brook Jet Correlations p+p d+A A+A Remarkable Probes for High-density Matter Auto-Generated on the right time-scale Operational Strategy Observable

R. Lacey, SUNY Stony Brook near-side away-side hadron parton Jet Correlations Jet Correlations Fragmentation : Azimuthal Correlations Carry Invaluable Information about the di-jet Azimuthal Correlations Carry Invaluable Information about the di-jet.

R. Lacey, SUNY Stony Brook Fragmentation : The Predicted Influence of the Medium is Specific The Predicted Influence of the Medium is Specific. Jets in Au+Au Collisions Jets in Au+Au Collisions Induced Gluon Radiation ~ collinear  gluons in cone “Softened” fragmentation I. Vitev, nucl-th/ Gyulassy et al., nucl-th/

R. Lacey, SUNY Stony Brook Jet Correlations p+p d+A A+A Operational Strategy Observable

R. Lacey, SUNY Stony Brook pp and dAu correlation functions 3.0<p T <6.0 p+p h +- d+Au Away side peak d+Au    h  1.0<p T < <p T <2.0 Fit = const + Gauss(0)+Gauss(  ) Jet function assumed to be Gaussian Fixed correlations Fixed correlations: 5.0<p Ttrigg <16.0 GeV/c Assorted correlations Assorted correlations: Distinct Di-jet peaks

R. Lacey, SUNY Stony Brook  N,  A  |j Ty | ,  |k Ty |  in p+p PHENIX preliminary  |j Ty |  = 359  11 MeV/c  |k Ty |  = 964  49 MeV/c PHENIX preliminary  |j Ty |  = 359  11 MeV/c  |k Ty |  = 964  49 MeV/c  |j Ty |  and  |k Ty |  in good agreement with prior measurements: PLB97 (1980)163 PRD 59 (1999) AA PHENIX preliminary

R. Lacey, SUNY Stony Brook d+Au  |j Ty |  similar to that for pp – No Surprise !! pp

R. Lacey, SUNY Stony Brook d+Au No significant k T -broadening seen in dAu data I.Vitev I.Vitev nucl-th/

R. Lacey, SUNY Stony Brook Area under curve Total Area fraction of pairs that are correl. jet pairs correlated jet-pairs over combinatoric background conditional yields are corrected for  -acceptance & efficiency, and are reported in the PHENIX  -acceptance ( |  | < 0.35 ). Conditional-Yields Conditional-Yields

R. Lacey, SUNY Stony Brook Calibrated Signal Calibrated Signal Expected Yield Dependence

R. Lacey, SUNY Stony Brook Fragmentation : Is the Away-side Jet Broadened in Au+ Au Collisions ? Is the Away-side Jet Broadened in Au+ Au Collisions ? Associated charged hadrons and mesons show centrality dependent broadening of away-side jet  Modification d+Au

R. Lacey, SUNY Stony Brook Centrality Dependence of conditional Jet yields Charged hadron yields show apparent away-side suppression ? Charged hadron yields show apparent away-side suppression ? Escaping Jet “Near Side” Suppressed Jet “Away Side” q q

R. Lacey, SUNY Stony Brook Several Trigger Requirements have been exploited Flavor Composition of Jets in Au + Au Flavor Composition of Jets in Au + Au AssociatedMesonsAssociatedBaryons Trigger Hadron Trigger Baryon Trigger Meson AssociatedHadrons

R. Lacey, SUNY Stony Brook AssociatedMesons PHENIX Preliminary AssociatedBaryons Correlation Functions for associated Baryons are Dominated by Harmonic Contributions Flavor Composition of Jets in Au + Au Flavor Composition of Jets in Au + Au

R. Lacey, SUNY Stony Brook Centrality Dependence of conditional Jet yields Charged hadron yields show apparent away-side suppression Charged hadron yields show apparent away-side suppression Hadron yields dominated by Mesons Hadron yields dominated by Mesons Similar near- and away-side for associated baryons. Similar near- and away-side for associated baryons. Escaping Jet “Near Side” Suppressed Jet “Away Side” q q

R. Lacey, SUNY Stony Brook The Observed baryon to meson ratio is higher for away-side jets Baryon to Meson Ratio for Away-side Jet

R. Lacey, SUNY Stony Brook Story is different !!

R. Lacey, SUNY Stony Brook High energy-density matter is created at RHIC. Correlation measurements Suggests a State of Matter Correlation measurements Suggests a State of Matter not heretofore seen Pressure Gradients Develop in Partonic matter -> elliptic flow -> v2 Au+Au Collisions at RHIC High Density Thermalized partonic material formed Early Hard Scattered Partons Traverse partonic material  Jet-quenching (early) & v2  Jet-quenching (early) & v2 q q leadingparticle d + Auleadingparticle Expansion followed by Hadronization

R. Lacey, SUNY Stony Brook

In-plane Out-plane X.N. Wang Angular Dependent Jet Modification should be an Important Observable Di-Jet Tomography: The Next Frontier

R. Lacey, SUNY Stony Brook High Density partonic material formed q q leadingparticle d + Auleadingparticle Jet Quenching and Flow have a common denominator (eccentricity) Expectations:  Evidence for High Energy-Density  Evidence for Quenching  High & low pT particles correlated  v2 essentially independent of pT Ref  v2 Factorization  ~ Eccentricity Scaling of v2 for high pT  Away-side Jet suppression in central collisions  Suppression Dependence on Orientation  Modification of Jet Properties