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Global Trigger and Global Muon Trigger

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Global Trigger and Global Muon Trigger. Manfred Jeitler Trigger Meeting 29 August 2006. hardware installed in Green Barrack. complete crate for Magnet Test assembled and tested: 2 PSBs Pipeline Synchronizing Buffer GTL Global Trigger Logic FDL Final Decision Logic

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Global Trigger and Global Muon Trigger

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  1. Global TriggerandGlobal Muon Trigger Manfred Jeitler Trigger Meeting 29 August 2006

  2. hardware installed in Green Barrack • complete crate for Magnet Test assembled and tested: • 2 PSBs Pipeline Synchronizing Buffer • GTL Global Trigger Logic • FDL Final Decision Logic • TIM Timing Board • TCS Trigger Control System • L1AOUT Level 1 Accept Output Board • TIM Timing Board • GMT Global Muon Trigger • still missing: • GTFE Global Trigger Front-End Board (readout system; firmware under development) will hopefully be available in October

  3. recent work • we have successfully tested the chain DTTF  GMT  GTL  FDL  TCS L1AOUT TTCci both with test patterns and real muons • Drift Tube Track Finder  Global Muon Trigger  Global Trigger Logic Board  Final Decision Logic  Trigger Control System  L1A Output board  TTCci • rate compared with the one seen from LTC • (with only DTTF in the trigger)

  4. DTTF-GMT-GT test at Point 5 GT crate GMT L1AOUT TCS FDL GTL DTTF real muons L1A Hirose connector cable rate reading: ~100 Hz TTC XDAQ TTCci

  5. recent work • we were asked not to try yet to send triggers to readout systems • will start doing it this week • special Global Trigger Logic board firmware has been developed to provide coincidence between top and bottom HAC • different from firmware for final system • ready for testing • firmware for GTL and PSB has been adapted to allow “spy” readout in case of L1A • Global Trigger Logic board and Pipeline Synchronized Buffer • check trigger data while GTFE (readout board, “Global Trigger Front End”) is not yet available • problem loading the firmware into Xilinx chips (conflicting software versions?) • hope to fix this soon

  6. next steps • will send triggers first to DTTF, then to other systems • trigger data from DT (and CSC ?) go into GMT • trigger data from RPC used as “technical trigger” to begin with • go into PSB, bypass GTL, enter directly FDL • Pipeline Synchronizing Buffer, Global Trigger Logic, Final Decision Logic • triggers will be distributed over TTCci modules • start taking and analyzing data without magnet • start out using spy memories for synchronization, monitoring and readout • test trigger algorithms and cuts (pt , , ) • try to compare GMT/GT data with detector readout data • working to have full readout (GTFE board) available in October • take advantage of prolonged MTCC to test GTFE board and develop monitoring and readout software

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