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  • Simple tree format that contains all hit information.
  • The structure is defined in the E906 version of kTracker.
  • One ROOT file had been created per E906 run.
  • The original files are stored on the Fermilab pNFS area (i.e. `/pnfs/e906/production/digit/`) .

File name example: digit_023431_009.root

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  • Essentially the same as E906, with a few variable name changes.
  • The structure is defined in `e1039-core/packages/reco/interface` .

  • One ROOT file is being created per spill (not run) by the E1039 Main-DAQ decoder.
  • The original files are stored on the E906/E1039 data2 disk (i.e. `/data2/e1039/online/sraw`).

File name example: run_004500_spill_000000001_sraw.root

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  • Complex tree structure with specially defined classes for variables. Not readable except with Fun4All framework.
  • The structure is defined in `e1039-core/interface_main`.
  • One ROOT file is being created per run and also per 100 spills by the E1039 Main-DAQ decoder.
  • The original files are stored on the E906/E1039 data2 disk (i.e. `/data2/e1039/dst/`).

File name example: DST.root

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