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Gyulassy 1 CIPANP’03 Session 3 (Wednesday May 21, 1:40 - 3:20 pm): Probes of Dense Gluonic Matter (part II) Jet Quenching and Energy Loss - Miklos Gyulassy.

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Presentation on theme: "Gyulassy 1 CIPANP’03 Session 3 (Wednesday May 21, 1:40 - 3:20 pm): Probes of Dense Gluonic Matter (part II) Jet Quenching and Energy Loss - Miklos Gyulassy."— Presentation transcript:

1 Gyulassy 1 CIPANP’03 Session 3 (Wednesday May 21, 1:40 - 3:20 pm): Probes of Dense Gluonic Matter (part II) Jet Quenching and Energy Loss - Miklos Gyulassy CIPANP Relativistic Heavy Ion (RHI) Parallel Session

2 Gyulassy 2 CIPANP’03 G.Baym,QM02 The QGP Paradigm Proc. Quark Matter 1981-2002

3 Gyulassy 3 CIPANP’03 Ln 1/x The CGC Paradigm Iancu, Venugopalan hep-ph/0303204

4 Gyulassy 4 CIPANP’03 Systematic Errors not shown Phobos Preliminary p T Distribution of Charged Particles G.Roland How can we use this tiny pQCD tail to wag the QGP Bulk? Bulk Tail

5 Gyulassy 5 CIPANP’03 Au-Au nucl-ex/0304022 The high p T window at RHIC is now wide open p+p-> p 0 hep-ex/0304038 STAR PRL 89, 202301 nucl-ex/0305015

6 Gyulassy 6 CIPANP’03 Jet Tomography of QCD Matter Single Hadron Tomography g g jet g T T p Di-Hadron Tomography g g X X X L1L1 L2L2 p p g g Ivan Vitev, Peter Levai, Xin-Nian Wang, MG Reviewed in nucl-th/0302077

7 Gyulassy 7 CIPANP’03 Final submitted to PRL R AA : High p T Suppression Au-Au 200 GeV: Au-Au nucl-ex/0304022 M. G. Perdekamp, RHIC/AGS May 15,2003

8 Gyulassy 8 CIPANP’03 I.Vitev et al pQCD tomography GRV EKS BKK GLV

9 Gyulassy 9 CIPANP’03 Single Hadron Tomography from SPS, RHIC, LHC 1. Cronin dominates at SPS 2. Cronin+Quench+Shadow conspire to give ~ flat R~N part /N bin at RHIC dN g /dy ~ 1000 ->  g ~100  0 3. Predicts sub N part quench, positive pT slope of R at LHC and R LHC (40)~R RHIC (40) Ivan Vitev and MG, Phys.Rev.Lett. 89 (2002)

10 Gyulassy 10 CIPANP’03 Mono Jets from STAR at RHIC (STAR, PRL 90, 082302(2002)) Di-Jets from p + p at 200 GeV ‘Mono-Jets’ from Au + Au at 200 GeV STAR, AGS Users Meeting May 15, 2003 ● Au+Au p + p

11 Gyulassy 11 CIPANP’03 Suppression and correlation STAR: 200 GeV Au+Au / p+p Hadron suppression and disappearance of back-to-back ‘jet’ are correlated! STAR PRL 90, 082302 ● Au+Au p + p STAR Preliminary STAR, AGS Users Meeting May 15, 2003

12 Gyulassy 12 CIPANP’03 Centrality Dependence of p 0 Quenching PHENIX AuAu 200: nucl-ex/0304022 Consistent With GLV Formalism

13 Gyulassy 13 CIPANP’03 So What Do the new d+Au data say? Which paradigm is closer to reality in The RHIC x>0.01 domain?

14 Gyulassy 14 CIPANP’03 Jet Quenching XN Wang, MG Gluon Shadow BRAHMS PRL88(02) Soft Lund strings Mini-jets Cronin? Need pA (or dA) to eliminate jet quenching

15 Gyulassy 15 CIPANP’03 Unquenched Predictions for for d+Au X.N.Wang, nucl-th/0303004 A.Accardi et al. pQCD partonic level Glauber-Gribov P.Levai et al. XNWang, PRC61(00)064910

16 Gyulassy 16 CIPANP’03 Our NULL Quenching Prediction for dA for x>0.01 is confirmed ! AA quench must be final state interactions PHENIX Preliminary 1  errors PHOBOS Preliminary STAR Preliminary Gyulassy-16 CIPANP 5/21/03

17 Gyulassy 17 CIPANP’03 The NULL Quenching Prediction for dA (for x>0.01) is confirmed ! PHOBOS Preliminary STAR Preliminary CIPANP 5/21/03 D+Au Preliminary Au+Au Final AA quench must be due to final state interactions: Jet Quenching

18 Gyulassy 18 CIPANP’03  0 R AA Predictions vs Experiment for central Au+Au and d+Au collisions d+Au: I. Vitev, nucl-th/0302002 and private communication. Au+Au: I. Vitev and M. Gyulassy, Phys.Rev.Lett.89:252301,2002; hep-ph/0208108; M. Gyulassy, P. Levai and I. Vitev, Nucl. Phys. B 594, p. 371 (2001). PHENIX Preliminary Run 2002/2003 d-Au 200 GeV: PRELIMINARY shadowing anti-shadowing

19 Gyulassy 19 CIPANP’03 d+Au: two-particle correlations no normalization to underlying event “central”: top 20% FTPCE multiplicity underlying event grows: p+p  d+Au minbias  d+Au central near-side: correlation strength and width similar away-side: d+Au peak broadens but little centrality dependence Unquenched back-to-back jets are observed in central d+Au! From P. Jacobs for STAR Check mate! The NULL dA Quench prediction is seen in full strength back-to-back Correlations as in p+p

20 Gyulassy 20 CIPANP’03 Systematic Errors not shown Phobos Preliminary Does the pQCD tail wag the QGP dog? G.Roland Tail BULK Yes it does!

21 Gyulassy 21 CIPANP’03 d+Au was the critical NULL quench control experiment Au Au RHIC data are now only consistent with QGP Paradigm! Jet quenching IS due to final state interactions in an opaque QGP Bulk Elliptic flow pT< 2 GeV saturates hydrodynamic limit for first time V 2 (pt; h) is consistent with lattice QCD equation of state Conclusions: After the first 3000 man-years at RHIC More good NEWS:

22 Gyulassy 22 CIPANP’03 Collective Flow of Bulk QCD matter? Initial spatial anisotropy Final momentum anisotropy p x pypy x y P.Kolb et al, D.Teany et al The most sensitive Barometric probe of the QCD Equation of State P(T) M h dependent v 2 (p T )

23 Gyulassy 23 CIPANP’03 Experimental To Do List Y=+- 3 dAu to test if x=0.001 QGP->CGC ? C 2 (phi 1,phi 2, pt 1,pt 2, eta 1,eta 2, fl 1,fl 2, Mult, A,B, Ecm) Heavy Quark tomography [ Magdalena Djordjevic] Open Charm (enhancement?); J/Psi (suppression?) Charm Flow? [ Sotiria Batsouli ] Need Direct Photons thermometer and tagged direct photon -quark jets! Excitation function Ecm~50-100, A=20-100

24 Gyulassy 24 CIPANP’03 Theory To Do List HBT source E cm invariance? why No time-delay? E T /N E cm invariance, N part invariance? NEW** V 2 (pT) Ecm invariance !? source of Flat High pt saturation V 2 (y) NON Bjorken boost invariant Baryon transport dynamics Thermalization, QGP Transport theory

25 Gyulassy 25 CIPANP’03 Selected References on Jet Quenching JET QUENCHING AND RADIATIVE ENERGY LOSS IN DENSE NUCLEAR MATTER. By Miklos Gyulassy (Columbia U.), Ivan Vitev (Iowa State U.), Xin-Nian Wang (LBL, Berkeley), Ben-Wei Zhang (Hua-Zhong Normal U.). Feb 2003. 69pp. Published in Quark Gluon Plasma 3, editors: R.C. Hwa and X.N. Wang, World Scientific, Singapore. e-Print Archive: nucl-th/0302077 HIGH P(T) TOMOGRAPHY OF D + AU AND AU+AU AT SPS, RHIC, AND LHC. By Ivan Vitev (Columbia U. & Iowa State U.), Miklos Gyulassy (Columbia U.). Sep 2002. 4pp. Published in Phys.Rev.Lett.89:252301,2002 e-Print Archive: hep-ph/0209161 JET TOMOGRAPHY OF AU+AU REACTIONS INCLUDING MULTIGLUON FLUCTUATIONS. By M. Gyulassy (Columbia U.), P. Levai (Budapest, RMKI), I. Vitev (Columbia U.). Dec 2001. 6pp. Published in Phys.Lett.B538:282-288,2002 e-Print Archive: nucl-th/0112071 HIGH P(T) AZIMUTHAL ASYMMETRY IN NONCENTRAL A+A AT RHIC. By M. Gyulassy (Columbia U. & LBL, Berkeley), I. Vitev (Columbia U.), X.N. Wang (LBL, Berkeley). Dec 2000. 4pp. Published in Phys.Rev.Lett.86:2537-2540,2001 e-Print Archive: nucl-th/0012092 REACTION OPERATOR APPROACH TO NONABELIAN ENERGY LOSS. By M. Gyulassy (Columbia U.), P. Levai (Columbia U. & Budapest, RMKI), I. Vitev (Columbia U.). CU-TP-979, Jun 2000. 39pp. Published in Nucl.Phys.B594:371-419,2001 e-Print Archive: nucl-th/0006010 NONABELIAN ENERGY LOSS AT FINITE OPACITY. By M. Gyulassy (Columbia U.), P. Levai (Columbia U. & Budapest, RMKI), I. Vitev (Columbia U.). CU-TP-976, May 2000. 4pp. Published in Phys.Rev.Lett.85:5535-5538,2000 e-Print Archive: nucl-th/0005032 See also refs therein


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