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star的飞行时间探测器及相关物理
高能物理大会 广西桂林 2006.10.28-11.1 J.WU USTC STAR-TOF and Related Physics Outline Introduction Performance of STAR-TOF prototypes Physics results: achieved expected Summary and outlook Introduction Solenoidal Tracker At RHIC (STAR) IntroductionWhy STAR-TOF ? Identified hadron spectra freeze-out dynamics hadronization mechanism Identified particle correlations Chemical and kinetic properties of in-medium jet associated spectra Fluctuations and correlations Lepton program In-medium vector meson properties Heavy flavor Baseline detector for future upgrades Introduction STAR-TOF requirement Good overall timing resolution: 100 ps in Au+Au collisions. Small occupancy per channel: 10%. Rate capability: 200 Hz/cm2. High efficiency: 90%. Fit into CTB. Safe and not impair the performance of other STAR detectors Introduction STAR TOF group Performance of STAR-TOF prototypesDesign of Multi-gap Resistive Plate Chamber for TOFr Performance of STAR-TOF prototypesTOFr1 Tray Configuration Performance of STAR-TOF prototypes Tray Level TOF Electronics (Final) Performance of STAR-TOF prototypesTOFr1 Tray in STAR Performance of STAR-TOF prototypes TOF Starter: pseudo-Vertex Position Detector Performance of STAR-TOF prototypesAchievements from the prototype Performance of STAR-TOF prototypesTime resolutions in Runs Performance of STAR-TOF prototypes Hadron/Electron PID capability Performance of STAR-TOF prototypes Muon identification at low pT Performance of STAR-TOF prototypes Φ identification power Performance of STAR-TOF prototypes PID by combining TOF+TPC Physics results achieved Physics results achieved Identified baryon and meson distributions at large transverse momenta from Au+Au collisions at 200 GeV, Phys. Rev. Lett. 97 152301(2006) PID Cronin Effect in d+Au, Phys. Lett. B 616 (2005) 8 Charm Cross section and spectra in p+p, d+Au, Phys. Rev. Lett. 94 (
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