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    User name Yoomin

    Log entry time 08:06:27 on January28,2009

    Entry number 258078

    keyword=Owl Shift Summary

    Owl Shift Summary -- Jan 28, 2009

    Workers : Yoomin Oh, Aidan Kelleher, Sarah K. Phillips

    00:00 Starts with Production run 5640(30726)
    02:30 Found errors on ROC5(see entry 258049). And it's been power
    cycled. Errors found by replays. We've lost last 2 hours,
    run 5641 and 5642.
    05:00 Kalyan found large beam charge asymmetry(halog #258067)
    06:20 BB HV tripped. 5648 stopped and 5649 started.
    07:45 BB tripped again. 5649 stopped and 5660 started.
    -------------------------------------------------
    Production Run List
    Run Time Charge(C) Comment
    5640 -00:12 0.05637
    5641 00:14-01:30 (0.05740) ROC5 Error(junk!), Ends with HAPPEx 30726
    5642 01:32-02:30 (0.04428) ROC5 Error(junk!), Starts with HAPPEx 30727
    5645 02:39-03:51 0.05629
    5646 03:52-04:17 0.01260 Lost beam for a while for Hall C to get tuned beam.
    5647 04:20-05:33 0.03786 Beam back, BPM checked. Unstable beam
    5648 05:35-06:21 0.03052 BB HV tripped, HAPPEx 30728
    5649 06:26-07:45 0.04771 BB tripped again
    5650 07:48-
    ---------------------------------------------
    Total Charge 0.24135 C