PHENIX CENTRAL ARMS

• PARTICLE ID

  • TOF
    • 85 ps TOF resolution, separate pi from K up to 2.5 GeV/c
  • Ring Imaging Cherenkov
    • Nearly 100% electron ID efficiency below 4 GeV/c
    • > 103 pion rejection factor

• ELECTROMAGNETIC CALORIMETER

  • High resolution, High granularity

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