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L1 trigger type

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angelaromano edited this page Aug 6, 2015 · 11 revisions

The L1 trigger type is represented by the bits 8-15 of TriggerTypeWord:

  • L1 trigger type (not definite) format for physics triggers is
  • bit 8: CHOD hit multiplicity (0 if failed, 1 if succeeded or bypassed)
  • bit 9: RICH hit multiplicity && RICH hit spread (0 if failed, 1 if succeeded or bypassed)
  • bit 10: KTAG sector multiplicity (0 if failed, 1 if succeeded or bypassed)
  • bit 11: LAV hit multiplicity (0 if failed, 1 if succeeded or bypassed)
  • bits 12-13-14: not filled
  • bit 15: set to 1 if L1 trigger is in Flagging mode, set to 0 otherwise (cutting mode)
  • L1 trigger type for special triggers is 0xFF for SOB(Start Of Burst) and 0xFF for EOB(End Of Burst)
  • L1 trigger type for bypassed events is 0xff
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