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    User name W. Korsch

    Log entry time 08:04:30 on August18,2001

    Entry number 71128

    keyword=Owl shift summary

    Shift summary:
    ----------
    0:00 waiting for beam (RF trip)
    0:10 Q2L quenched, called Scot
    0:50 Scot arrives
    2:00 Scot is finished, same problem as Friday morning (see halog entry: 70756)
    2:20 Q2 back at 1.99 GeV
    2:30 NMR/EPR measurments
    NMR: P=47.0%
    EPR: P= 46.0%
    2:40 RF fault
    2:50 checked beam on BeO looks good (BPMA 0.048/-1.599, BPMB -0.029/-1.794)
    2:58 beam back on pol. target
    3:25 beam not stable, MCC called: RF faults continue to happen, they will look into it
    3:47 MCC calls: ready to send beam back
    4:46 lost beam due t RF problems caused by thunderstorm
    6:05 beam back
    7:32 MCC called: communication fault, 10 min down


    Run summary:
    ----------

    Run# ........................... good electrons
    2889/21889.....................137k/127k
    2890/21890..................... short run, not analysed (Q2L quench)
    2891/21891.....................106k/101k
    2892/21892.....................175k/163k
    2893/21893.......................21k/20k
    2894/21894......................175k/162k
    2895/21895......................171k/158k