Presentation is loading. Please wait.

Presentation is loading. Please wait.

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.

Similar presentations


Presentation on theme: "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."— Presentation transcript:

1 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 Interacting QGP

2 Xin-Nian Wang/LBNL QCD phase transition Asymptotic freedom Confinement scale anomaly (break scale invariance)

3 Xin-Nian Wang/LBNL Lattice QCD results F. Karsch ‘2001

4 Xin-Nian Wang/LBNL Medium Response Dynamic System: Photon or dilepton emission (McLerran & Toimela’85) J/  suppression (Matsui & Satz’86) QCD Response:Parton scattering (Gyulassy & XNW’92)

5 Xin-Nian Wang/LBNL Jet Quenching & Modified Fragmentation e-e- Guo & XNW’00

6 Xin-Nian Wang/LBNL Non-Abelian LPM Effect Two-parton correlation: Landau- Pomeranchuck-Migdal interference: i j Formation time

7 Xin-Nian Wang/LBNL Quadratic Nuclear Dependence

8 Xin-Nian Wang/LBNL HERMES data E. Wang & XNW 2000

9 Xin-Nian Wang/LBNL Parton Energy Loss BDPM Gyulassy Vitev Levai Wang & Wang Wiedemann; Zakharov Quark energy loss = energy carried by radiated gluon

10 Xin-Nian Wang/LBNL HERMES data in Au nuclei E. Wang & XNW 2000

11 Xin-Nian Wang/LBNL Jet Quenching at RHIC

12 Xin-Nian Wang/LBNL Geometry of dense matter Non-central collisions Azimuthal asymmetry jet

13 Xin-Nian Wang/LBNL Dihadron Correlation p T trig =4-6 GeV p T =2-4 GeV Pedestal&flow subtracted trigger 

14 Xin-Nian Wang/LBNL Away-side suppression trigger 

15 Xin-Nian Wang/LBNL Elliptic flow of a perfect fluid Pressure gradient anisotropy Hydrodynamic calculation with  =0

16 Xin-Nian Wang/LBNL Jet Remnants  Induced Bremsstrahlung: MM Cherenkov radiation Pedestal&flow subtracted

17 Xin-Nian Wang/LBNL 3-D Tomography Global polarization w.r.t. Nuclear reaction plane xx Z.-T. Liang, XNW PRL 94 (2005)102301

18 Xin-Nian Wang/LBNL Summary Discovery of Jet Quenching at RHIC proves that a interacting dense matter is formed: Opaque to jets Dense matter at RHIC is 30 times higher than cold nuclei, energy density is 100 times higher Collective behavior: Hydrodyamic limit  strongly interactive QGP Jet tomography a useful and power tool for studying properties of dense matter –Heavy quarks, dihadron correlation, angular distribution, flavor dependence …

19 Xin-Nian Wang/LBNL

20

21 Angular distribution of radiative gluons Radiation in vacuum Induced Bremsstrahlung: Further interaction of the radiated gluons with the medium? 

22 Xin-Nian Wang/LBNL Di-hadron fragmentation function h1h1 h2h2 jet Majumder & XNW

23 Xin-Nian Wang/LBNL Modification of the dihadron distribution Pedestal&flow subtracted STAR preliminary Effect of longitudinal flow C. Salgado z

24 Xin-Nian Wang/LBNL Sonic Boom MM Trigger Casalderrey-Solana, Shuryak and Teaney Linearize disturbance

25 Xin-Nian Wang/LBNL Future of Jet quenching STAR preliminary  +jet correlation in Au+Au in run4? More accurate determination of initial Et

26 Xin-Nian Wang/LBNL Modification for Heavy Quarks (1) Slow clock for formation time Djordjevic & Gyulassy Zhang & XNW Armesto,Dainese, Salgado & Wiedemann (2) Color factor (3) Dead cone effect  E Q <  E g,  E q Zhang & XNW

27 Xin-Nian Wang/LBNL Energy Dependence of quenching D. d’Enterria, Hard Probes 2004

28 Xin-Nian Wang/LBNL Effect of non-Abelian energy loss Eg=EqEg=Eq  E g =2  E q Qun Wang & XNW nucl-th/0410079 Eskola Honkanen Salgado Wiedemann Fixed p T =6 GeV

29 Xin-Nian Wang/LBNL No suppression in d+Au STAR PHENIX

30 Xin-Nian Wang/LBNL High pt spectra in Au+Au H. Zhang,E. Wang J. Owens, XNW 2005

31 Xin-Nian Wang/LBNL High pt spectra in pp collisions H. Zhang J. Owens E. Wang XNW 2005

32 Xin-Nian Wang/LBNL Charm quark Large charm quark Suppression? Hadronic scattering?

33 Xin-Nian Wang/LBNL Parton recombination Hwa; Fries Particle or parton correlations are not trivial


Download ppt "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."

Similar presentations


Ads by Google