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What is StEvent?
StEvent is our DST
- It has all reconstructed (and some raw) data
- Run#, beam conditions, trigger information, etc
- Hits/Tracks from TPC and other tracking detectors
- ADC/Enegry/Cluster/”Points” from EMC
- All other detector information
- StEvent can be saved to a file, using root I/O (StTreeMaker)
- StEvent need to be always backward compatible - requires good design from the beginning
StEvent is our “common block” + subroutines
- Created or read back from files on memory
- Contains quite some useful functions associated with data
StEvent is collection of C++ classes
Notes: