The STAR-TPC Clusterfinder/Hitfinder - STAR Note 238

M.A. Lisa
Lawrence Berkeley National Laboratory, Berkeley, CA 94720 USA

• Introduction
• Data Types and Structures
  • Definitions
  • Table structures
    • Pixel table
    • Sequence and Cluster tables
    • Hit table
• Clusterfinding Module TCL
• Hitfinding Module TPH
  • Multipeakfinder Moundainfinder
  • Local position determination
  • Position uncertainties
    • Uncertainty along the padrow (x and y directions)
    • Uncertainty in time (z direction)
  • Cluster orienation and crossing angles
• Switches table
• Performance
  • Hitfinding performance
    • Number of contributors to a cluster pattern
    • Hitfinding efficiency
  • Two-hit merging distance
  • Uncertainties and resolution
    • Padrow directions x and y
    • The time direction z
  • Crossing angle determination
  • CPU Cost
  • what settings the tracker likes
• Work to be done
• Acknowledgements
• References
• About this document ...