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    User name Ge Jin

    Log entry time 15:58:21 on February 1,2009

    Entry number 258578

    keyword=day shift summary:



    08:15 Beam comes back after a trip
    10:20 BB shower HV tripped
    10:35 Kalyan fixed the problem.
    10:48 Compton rates went to 0 for a couple of minutes and we fixed the problem
    12:23 BB Wire chamber HV tripped during run 5768. Fixed the problem. Start new run.



    Run list
    Run # Time starts Time ends total charge comments
    5762 7:23 8:48 .0562
    5763 8:48 10:03 .1130
    5764 10:03 10:26 BB shower HV
    tripped
    5765 10:27 10:35 shower still being tripped
    5766 10:36 11:49 .1702
    5767 stopped for HAPPEX
    5768 11:54 12:23 358k stopped for BB wire chamber tripped
    5769 12:28 13:41 .2474
    5770 13:42 15:03 .30416
    5771 still running......

    polarization is less than 60%, and it was like this on the last shift.