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    User name Hong Xiang

    Log entry time 07:57:20 on February20,2001

    Entry number 56505

    keyword=Shift Summary


    Summary, 1/20/01 owl shift:

    - Total of 5.85 hours of beam. Finished sing8 setting

    - Moved on the sing7 seeting, Halfway through this
    setting.

    - Twice beam tuning by MCC, twice DAQ crashes
    during beam downtime. Coldstart DAQ, reload
    trigger, things came back gracefully.

    Shift crew: Hong Xiang(SL)
    Kevin Kramer(TO)
    Lingyan Zhu(3rd)

    Start with sing8, LD2 6% radiator in
    00:20 - 00:45 run 1988/1989/1990, 2.0M events

    Download trigger
    00:46 - 01:14 run 1991/1992/, 2.0M events
    01:14 MCC tune beam for Hall B
    01:36 - 01:57 run 1994/1995, 2.0M events

    LD2 target, radiator out
    02:00 - 02:46 1996/...2000, 2.5M events
    Change to LH2 target, radiator out
    03:02 - 03:30 run 2001/2002, 2.0M events

    Radiator(6%) in
    03:38 - 04:00 run 2003/2004, 1.6M events

    Change to dummy target
    04:08 - 04:29 run 2005/2006, 552K events

    sing7 setting, starts with LD2 target:
    Ready at 05:00, but lost beam.

    Beam back at 6:00am,

    Start run 2008/2009, DAQ end runs failed.
    Restart DAQ, download trigger.

    Lost beam again at 6:15am. No beam till 7:00am

    Started sing7, ld2/6% radiator:

    07:00 - 08:00 2012/2013/2014/2015/2016 5.0M events.