Study Report (10th June, 2009)

Today's Meeging

• No meeting today.

High Rate Test

• Target: establish the same situation which we saw on two weeks ago (28th April).
  • constant TGC ROD busy was asserted when the rate of random trigger was around 40kHz.
  • this might be a back pressure from ROS (probably mulfunction of ROS PC)
• log
  • 9:00~: try to start the global partition with TGC/MDT Barrel
    

    	before	after
    SMK(*)	403	429
    L1 key	594	607
    LHT key	510	---

    • (*) SMK = Super Master Key
  • some TGC RODs asserted the BUSY, but the stopless drop machinery didn't work correctly.
    • the pop-up windows were shown to mask the RODBusyModule input, but it didn't work correctly.
      • I checked the status of TGC RODBusyModule using TGCrodBusy command on sbc-tgc-rcc-ecc-02.
      • the corresponding channels were not masked after clicking the pop-up window.
      • same problems were observed on MDT MROD --> common package problem!
    • Mihai (RC Shifter) called the expert who changed the package (RODBusyModule) to investigate the problem.
    • 14:00~: He reboot the process (OnlExpertSystem) to reset the functionality. --> OK
  • A run was started, but the L1 rate was around 50kHz.
    --> L1 Prescale Key was not changed correctly.
    --> Called Trigger on-call expert (Johan?) and changed it, then restart.
  • 14:50~: run118501 started
    • BCID inconsistent at SFI (diff = 100, constant)
    • some events were truncated --> increase Vth to 200mV.
    • ROD status
      • C06: SSW:Rx Error State --> No error was shown in FE Monitor Panel.
      • C07: Too many hits in event --> probably this was the problem of truncated event --> fixed by increasing Vth.
  • 16:30: suddenlly the LV was tuned off for C09 --> Unknown problem for Shikma...
  • 17:00: changed the BCID offset on TGC ROD (between ROD and FE) from 3563 (0xdeb) to 3463 (0xd87) by hand
    • /det/muon/TGC/runConfigurations/AtlasGlobal.cfg
  • 17:30: Time was over. Take the system to HLT people.

TGC Online SW

Configuration SW

• Update TgcVmeTm in the global/standalone partition.
  • Problem about TTCrx I2c/Status register was fixed.

Configuration Database

• Daniel didn't answer to my mail yet...

Physics

• Daily discussion:
  • no discussion today...
• My interests
  • no study today...
• Today's HEP arxiv
  • Search for Higgs boson decay to neutral long-lived particles decaying to bbbar in ppbar collisions at sqrt(s)=1.96 TeV
    arXiv:0906.1787
  • Measurement of the Top Quark and W Boson Masses
    arXiv:0906.1690