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

2. N. N. Ajitanand, QM052 PRL87, 052301 (2001) Central collisions peripheral collisions High Energy density matter created at RHIC! High Energy density matter created at RHIC! time to thermalize the system (  0 ~ 0.2 - 1 fm/c)  Bjorken  ~ 5 - 15 GeV/fm 3 ~ 35 – 100 ε 0 Extrapolation From E T Distributions Phase Transition: Energy Density is Well Above the Predicted Value for the Phase Transition Predicted Value for the Phase Transition Energy Density is Well Above the Predicted Value for the Phase Transition Predicted Value for the Phase Transition Pressure build up Flow Hard Scattering Jets

3. N. N. Ajitanand, QM053 Jets are an ideal diagnostic probe for the medium: Jets are Remarkable Probes for this High-density Matter Auto-Generated on the right time-scale Calibrated Calculable (pQCD) Accessible statistically via correlations in Au+Au Jets are Remarkable Probes for this High-density Matter Auto-Generated on the right time-scale Calibrated Calculable (pQCD) Accessible statistically via correlations in Au+Au

4. N. N. Ajitanand, QM054 mesons baryons Associated particle Meson Baryon pT Leading Hadron Correlation Function Mesonidentification done using EMC TOF Baryon & Meson identification done using EMC TOF 200 GeV Au Au The route to jets: Two Particle Azimuthal Correlations

5. N. N. Ajitanand, QM055 Flow anisotropy Jet asymmetry Flavor Dependent Correlations Strongly Flavor dependent Asymmetries and Anisotropies Observed in Two-Particle Correlations Strongly Flavor dependent Asymmetries and Anisotropies Observed in Two-Particle Correlations Meson-Meson (High Asymmetry) Baryon-Baryon (Low Asymmetry)

6. N. N. Ajitanand, QM056 1 (A) LP 2 (B) i.e. Zero Yield At Minimum (ZYAM) a 0 is obtained without putting any constraint on the Jet shape by requiring Two source model : Flow (H) & Jet (J) Phys. Rev. C 72, 011902 (2005) Unconstrained harmonic Constrained SubtractionExtinction High pt particle constrained perpendicular to RP Constraint byte Decomposing the Flow and Jet signals Reliable decomposition of Flow and Jet Contributions achieved via two separate methods Reliable decomposition of Flow and Jet Contributions achieved via two separate methods

7. N. N. Ajitanand, QM057 Meson-Meson Baryon-Meson Decomposing the Flow and Jet signals ZYAM subtracted J(  ) Flow extinguished C(  ) = J(  ) Both methods agree! Meson-triggered and Baryon-triggered J(  ) are different on near- and away-side! Meson-triggered and Baryon-triggered J(  ) are different on near- and away-side!

8. N. N. Ajitanand, QM058 Meson vs. Baryon trigger Flavor dependent away-side modification in yield and shape Flavor dependent near-side modification

9. N. N. Ajitanand, QM059 For meson trigger with associated meson and baryon partners, similar modification observed

10. N. N. Ajitanand, QM0510 Proton vs anti-proton correlations Near-side yield non-zero only for baryon-anti-baryon pairs Baryon number conservation in jet ? Poster (A. Sickles)

11. N. N. Ajitanand, QM0511 Possible modification of Jet-Topology Wake Effect or “sonic boom” hep-ph/0411315 Casalderrey-Solana,Shuryak,Teaney nucl-th/0406018 Stoecker Hep-ph/0503158 Muller,Ruppert hep-ph/0411341 Armesto,Salgado,Wiedemann Correlation of Jet with flowing medium Cherenkov gluon radiation nucl-th/0507063 Koch, Majumder, X.-N. Wang

12. N. N. Ajitanand, QM0512 For flow extinction: LP constrained relative to the reaction plane with Constraint byte  C adjusted to extinction value. Poster (N. Ajitanand) Novel Method to unravel Jet-Topologies: Three-Particle Correlations Added topological information as compared to two particle correlations

13. Mach cone “Normal” Jet “Bent” Jet Calibrating Three-Particle Correlations: Simulation Test Powerful Tool to distinguish between different scenarios! Note characteristic ridges: Mach cone or Cherenkov cone Note characteristic ridges: Mach cone or Cherenkov cone

14. N. N. Ajitanand, QM0514 PHENIX Preliminary 10%<cent<20% Data: Three-Particle Correlations Flow+Jet PHENIX Preliminary After Harmonic Extinction: Flow+JetJet only Mach cone Simulation Data indicates apparent cone structure for away-side jet!

15. N. N. Ajitanand, QM0515 PHENIX Preliminary 20<cent<40 40<cent<60 PHENIX Preliminary HHH Jet Only

16. N. N. Ajitanand, QM0516 0.7<pt_assoc<1.0 0.5<pt_assoc<0.7 HHH 10<cent<20% 1.0<pt_assoc<2.5 PHENIX Preliminary

17. Hadron-Meson-MesonHadron-Meson-Meson Hadron-Baryon-BaryonHadron-Baryon-Baryon Strong flavor Dependence observed

18. valley peak PHENIX Preliminary Hadron meson meson Hadron baryon baryon Away peak PHENIX Preliminary Peak/Valley on ridge AxisAway Peak Position on Diagonal Axis Hadron Hadron Hadron HBB Flatter than HMM Away Peak around 2 Radians Ridge axes

19. SummarySummary Novel methodologies developed to remove Harmonic contributions and extract jet functions from Azimuthal Correlation functions. Jet function and yields show strong dependence on particle flavor The jet landscape for three particle correlations obtained as a function of Centrality, pt and flavor Comparisons to simulations indicate “Mach cone” like features in Comparisons to simulations indicate “Mach cone” like features in Jet land-scape for wide range of pT and centralities Jet land-scape for wide range of pT and centralities Cone angle possibly related to sound speed, refractive Cone angle possibly related to sound speed, refractive index … etc index … etc Hadron Baryon Baryon jet-scape flatter than Hadron Meson Meson Away side baryon/meson ratio 2X larger than near side Away side baryon/meson ratio 2X larger than near side baryon/meson ratio Proton anti-proton yields non-zero only on near side Proton anti-proton yields non-zero only on near side