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sPHENIX upgrade at mid-rapidity ShinIchi Esumi Inst. of Physics, Univ. of Tsukuba

sPHENIX upgrade at mid-rapidity ShinIchi Esumi Inst. of Physics, Univ. of Tsukuba contents : Hadrons Electrons Photons Jets. Workshop on : “Future Directions in High Energy QCD” 20-22/Oct/2011 Nishina Hall, Riken, Japan. sPHENIX & ePHENIX. PHENIX.

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sPHENIX upgrade at mid-rapidity ShinIchi Esumi Inst. of Physics, Univ. of Tsukuba

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  1. sPHENIX upgrade at mid-rapidity • ShinIchi Esumi • Inst. of Physics, Univ. of Tsukuba • contents : • Hadrons • Electrons • Photons • Jets Workshop on : “Future Directions in High Energy QCD” 20-22/Oct/2011 Nishina Hall, Riken, Japan ShinIchi Esumi, Univ. of Tsukuba

  2. sPHENIX & ePHENIX ShinIchi Esumi, Univ. of Tsukuba

  3. PHENIX ShinIchi Esumi, Univ. of Tsukuba

  4. Aerogel Cherenkov Counter Time of Flight p K  TOF vs 1/p (with ACC veto) ShinIchi Esumi, Univ. of Tsukuba

  5. Thermal / chemical freeze-out properties from PIDed spectra and ratios ShinIchi Esumi, Univ. of Tsukuba

  6. Partonic and hadronic expansion / collectivity from PIDed v2 ShinIchi Esumi, Univ. of Tsukuba

  7. Advanced MRPC ASICs for fast timing ShinIchi Esumi, Univ. of Tsukuba

  8. FAST mRPC TOF for PID from Mickey Chiu ShinIchi Esumi, Univ. of Tsukuba

  9. Beam Energy Scan Program • from STAR experiment • net-proton distribution • n-quark scaling of v2 ShinIchi Esumi, Univ. of Tsukuba

  10. PHENIX (Amazing) similarity between RHIC and LHC (v2 and RAA) ShinIchi Esumi, Univ. of Tsukuba

  11. Small deviations in (mT-m0)/nq scaled v2 Pb+Pb 2.76TeV Au+Au 200GeV Au+Au 39GeV proton proton PHENIX Preliminary PHENIX Preliminary M. Krzewicki, QM11 roughly (mT-m0)/nq scaled for all energies larger pT shift for heavier particles radial flow increases with energy ShinIchi Esumi, Univ. of Tsukuba

  12. Geometrical source anisotropy via HBT measurement at the end of freeze-out final T. Niida, WPCF2011, 20/Sep/2011 It might be different from the v2-v4 relation ShinIchi Esumi, Univ. of Tsukuba

  13. Ring-Imaging Cherenkov Detector ShinIchi Esumi, Univ. of Tsukuba

  14. Charm suppression and flow from single electrons Thermal photon spectra from electron-pairs (*) ShinIchi Esumi, Univ. of Tsukuba

  15. Direct photon v2 Direct photon RAA prompt  dominance : no suppression and small v2 at high pT large v2 for thermal photon from combined real and virtual  measurements ShinIchi Esumi, Univ. of Tsukuba

  16. Electron-pair mass spectra in p+p / Au+Au ShinIchi Esumi, Univ. of Tsukuba

  17. qpair opening angle e- e+ B≈0 Hadron Blind Detector Pairs in Central Arms 0.65 m Pairs matched to HBD Cherenkov blobs 1.21 m Pairs after HBD rejection ShinIchi Esumi, Univ. of Tsukuba

  18. Charged hadrons and jets High pT photons and electrons ShinIchi Esumi, Univ. of Tsukuba

  19. J/Psi RAA and v2 different J/ RAA(pT) dependence between RHIC( ) and LHC( ) ShinIchi Esumi, Univ. of Tsukuba

  20. R<0.8 R>0.8 Jet energy asymmetry + Out-of-Cone radiation ShinIchi Esumi, Univ. of Tsukuba

  21. IAA (pTh:2-7GeV/c, pT:5-12) vs Npart Fragmentation function with direct photon trigger ShinIchi Esumi, Univ. of Tsukuba

  22. ,Jet,0 - hadron correlation Comparisons are the most important! RHIC-AGS’09, Y. S. Lai Closer and closer to the initial parton energy Gamma trigger Jet (large R) trigger STAR Preliminary Jet (small R) trigger 0(hadron) trigger more and more surface bias given by energy loss Au+Au 0~10% QM09, M. Ploskon ShinIchi Esumi, Univ. of Tsukuba

  23. v2 in p+p v3 in A+A ShinIchi Esumi, Univ. of Tsukuba

  24. Higher harmonic event anisotropy and azimuthal correlation ATLAS Preliminary vn ShinIchi Esumi, Univ. of Tsukuba

  25. (1) (8) (2) (7) (3) (6) in-plane (4) (5) (5) (4) (6) (3) (7) (2) (8) (1) 200GeV Au+Au -> h-h (run7) (pTTrig=2~4GeV/c, pTAsso=1~2GeV/c) mid-central : 20-50% (4) s=[-1,0]/8 (5) s=[0,1]/8 in-plane trigger selection (3) s=[-2,-1]/8 (6) s=[1,2]/8 in-plane associate regions c2(data) - c2(flow) (2) s=[-3,-2]/8 (7) s=[2,3]/8 strong preference of associate particle emission towards the in-plane direction s = Trig. R.P. [] (1) s=[-4,-3]/8 (8) s=[3,4]/8 out-of-plane trigger selection average PHENIX preliminary significant not significant compared with systematic errors Asso.Trig. (rad) ShinIchi Esumi, Univ. of Tsukuba

  26. surface penetration R.P. the same data in polar plots (R.P. is x axis) --- associate distribution for a given trigger direction --- 200GeV Au+Au -> h-h (pTTrig=2~4GeV/c, pTAsso=1~2GeV/c) out-of-plane trigger 3/8 < | Trig. - R.P. | < /2 in-plane trigger | Trig. - R.P. | < /8 averaged over all trigger angles central (0-20%) R.P. mid-central (20-50%) peripheral (50-93%) base line Trigger angle PHENIX preliminary ShinIchi Esumi, Univ. of Tsukuba

  27. heavy-flavor (b/c tagged) electron identified open heavy-flavor meson multi-hadron/jet correlations with R.P. / large Trig higher harmonic event anisotropy ShinIchi Esumi, Univ. of Tsukuba

  28. Summary • Calorimetric detector for jets, electrons and photons at high pT • How about low pT electrons, photons and identified hadrons? • What about fluctuation/correlation variables with particle identification using a large acceptance detector… ShinIchi Esumi, Univ. of Tsukuba

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