Contents

• Introduction
• PID Detectors Overview
  • Gas cherenkov detector
  • Shower/Preshower detector
  • Pion rejector
  
  
• PID Efficiency for the Right Arm
  • Overall cuts
  • Sample events
  • Efficiency
  • Optimization of PID cuts
  • Background rejection
  
  
• PID Efficiency of Left Arm
  • Overall cuts
  • Sample Events
  • Efficiency
  • Optimization of PID cuts
  
  
• For the Short Gas Cherenkov Detector
• Future Work, Testrun request and Preliminary Conclusion
• About this document ...