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Global Trigger and Global Muon Trigger

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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