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Heavy Ion results from RHIC-BNL ShinIchi Esumi Univ. of Tsukuba Contents

Heavy Ion results from RHIC-BNL ShinIchi Esumi Univ. of Tsukuba Contents Quark Gluon Plasma Energy loss of parton in QGP Collective expansion of QGP Search for phase transition RHIC spin program. Quark Gluon Plasma (QGP). Early universe Neutron stars

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Heavy Ion results from RHIC-BNL ShinIchi Esumi Univ. of Tsukuba Contents

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  1. Heavy Ion results from RHIC-BNL ShinIchi Esumi Univ. of Tsukuba Contents Quark Gluon Plasma Energy loss of parton in QGP Collective expansion of QGP Search for phase transition RHIC spin program ShinIchi Esumi, Univ. of Tsukuba

  2. Quark Gluon Plasma (QGP) Early universe Neutron stars Quark-hadron phase transition Deconfinement Properties of QGP ShinIchi Esumi, Univ. of Tsukuba

  3. Relativistic Heavy-Ion Collider (RHIC) at Brookhaven National Laboratory (BNL) RHIC and experiments 2 large experiments STAR, PHENIX 2 small experiments PHOBOS, BRAHMS sqrt(sNN) : 5 ~ 200GeV pp, dAu, CuCu, CuAu, AuAu, UU polarized proton beam PHENIX experiment STAR experiment ShinIchi Esumi, Univ. of Tsukuba

  4. sqrt(sNN)=200GeV Au+Au central collisions large acceptance lepton, photon, PID STAR ShinIchi Esumi, Univ. of Tsukuba

  5. jet p p Au Au Energy loss of high energy parton in QGP - strong suppression of high pT hadrons in A+A with respect to a geometrical superposition of p+p collisions - no-suppression and slight enhancement in d+A (cold nuclear matter effect) Phys. Rev. Lett. 91, 072303 (2003) Phys. Rev. Lett. 91, 072304 (2003) ShinIchi Esumi, Univ. of Tsukuba

  6. Suppression of hadronsNo-suppression of direct-photons g q - strong suppression of hadrons- no suppression of direct photons at high pT arXiv: 1208.2254 central Au+Au peripheral Au+Au PRL109, 152302 (2012) ShinIchi Esumi, Univ. of Tsukuba

  7. “- hadron”correlation measurement g hadrons PHENIX Preliminary, QM12 ShinIchi Esumi, Univ. of Tsukuba

  8. Collective expansion of QGP - elliptic (2nd order) and higher order event anisotropic collectivity and its Nquark scaling - hydro-dynamic properties of QGP PHENIX Preliminary, QM12 ShinIchi Esumi, Univ. of Tsukuba

  9. Thermal photon radiation and collective flow - significant low pT photon excess - comparable v2 with hadrons elliptic expansion Phys. Rev. Lett. 104, 132301 (2010) arXiv: 1105.4126 Phys. Rev. Lett. 109, 122302 (2012) ShinIchi Esumi, Univ. of Tsukuba

  10. u,d,s u,d,s c,b c,b Heavy quark energy loss and collective flow STAR Preliminary, QM12 ShinIchi Esumi, Univ. of Tsukuba

  11. Au spectators Cu spectators participants J/ suppression and collective flow (azimuthal dependence of suppression) “suppression vs enhancement”- color screening- cold nuclear matter effect- recombination, quark coalescence PHENIX Preliminary, QM12 ShinIchi Esumi, Univ. of Tsukuba

  12. Transverse shape of QGP (at the end of freeze-out) via 2-parcle interferometry measurement RT-side,RT-out vs (), ()RT-sideoscill. < RT-outoscill.for n=2,3 (central) side view size qT-side : RT-side pT1 pT2 depth + time duration qT-out : RT-out together with vn(pT)PID fitting with Blast Wave PHENIX Preliminary, QM12 ShinIchi Esumi, Univ. of Tsukuba

  13. mid-central 40-50% central 0-10% 2-particle  correlation relative to 2 and 3 plane - strong 2 dependence and left/right asymmetry (coupled with energy loss and flow)- broad out-of-plane correlation enhanced more in central (redistribution and expansion)- weak 3 dependence central 0-10% PHENIX Preliminary, QM12Au+Au 200GeV, hadron-hadronpT : (2~4)Trig x (1~2)Asso (GeV/c) ShinIchi Esumi, Univ. of Tsukuba

  14. Testing the phase diagramwith beam energy scan FAIR / J-PARC ShinIchi Esumi, Univ. of Tsukuba

  15. Beam energy dependence of RCP and shape of net-proton distribution net-Baryon number fluctuation is expected to reflect the critical point as a non-monotonic behavior from enhancement to suppression with increasing the beam energy AGS-SPS-RHIC STAR Preliminary, QM12 ShinIchi Esumi, Univ. of Tsukuba

  16. Beam energy dependence of v2 and v3 Smooth trend (not not?) of v2 and v3 with beam energy v2 v3 STAR Preliminary, QM12 ShinIchi Esumi, Univ. of Tsukuba

  17. Directed flow v1 - strong anti-flow of pion (and p-bar) - small but significant anti-flow of proton- sign change of v1 slope around 10GeV- minimum around 20GeV STAR Preliminary, QM12 ShinIchi Esumi, Univ. of Tsukuba

  18. L or B Y X Charge asymmetry with respect to reaction planeas a possible indication of local parity violation in QGP with strong B-field at non-central heavy ion collisions dN/d ~ 1+ 2vncos(n(-)) + 2asin(-) + … <cos(1+2-2)> ~ -<a1a2> STAR Preliminary, QM12 ShinIchi Esumi, Univ. of Tsukuba

  19. Gluon Polarization DG(x) Integrated Gluon Polarization - gluons can make a very significant contribution to the spin of the proton - Need to extend the measurements to low-x region where abundant gluons exist Non zero ! ~ 0.1 ShinIchi Esumi, Univ. of Tsukuba

  20. Sea Quark Polarization Measurements Polarized Sea-Quark Distribution - Direct sea quark measurement - Fragmentation function free (no model dependence) - Improve knowledge from semi-inclusive DIS measurements significantly. - x10 statistics in Run 2013 ShinIchi Esumi, Univ. of Tsukuba

  21. Summary Quark Gluon Plasma Energy loss of parton in QGP Collective expansion of QGP Search for phase transition RHIC spin program ShinIchi Esumi, Univ. of Tsukuba

  22. backup slides ShinIchi Esumi, Univ. of Tsukuba

  23. ShinIchi Esumi, Univ. of Tsukuba

  24. PHENIX, QM12 extracted by BW fitting with spectra + v2,3,4 of ,K,p extracted from RTside by  HBT ShinIchi Esumi, Univ. of Tsukuba

  25. ShinIchi Esumi, Univ. of Tsukuba

  26. PHENIX, QM12 mid-central collisions - strong 2 dependence and left/right asymmetry coupling with geometry and/or expansion- almost no 3 dependence (poor 3 resolution) ShinIchi Esumi, Univ. of Tsukuba

  27. PHENIX, QM12 - out-of-plane correlation enhanced (strong jet quenching and collective expansion)- some weak 3 dependence central collisions ShinIchi Esumi, Univ. of Tsukuba

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