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    User name X. Zheng

    Log entry time 16:01:14 on March25,2007

    Entry number 197438

    keyword=day shift summary

    8:20 After run 1961, move target to empty and ask MCC to do a harp scan to check beam size;
    8:40 MCC reported the beam size in y is less than 150um, move target back to Bi and resume data taking;
    9:00 HacL_D1_P0rb jumped by 2E-5 (absolute);
    10:05 Left magnet/dipole problem happened during run 1965, T3 rate (normalized to average current or T1 or T5 rate) is 10% higher than previous runs. Run 1966 should be good;
    13:27 MCC called: will take beam away for 10-15 minutes to investigate an orbit problem. Stop run 1971 in case it will take them longer (700K events).
    13:32 beam back (that was only 4 minutes! MCC must be moving at 0.9c w.r.t. us);

    15:11-15:40 change HRSR angle to 48.37 for kin #3;


    Kin #4, Bi target
    ------------------
    Run 1956-1961 (previous shift): 40uA, each has 1M events and 0.055C;

    (this shift, starting 8:40):
    1962, 40uA, 1M events, 0.055C
    1963, 40uA, 1M events, 0.053C
    1964, 40uA, 1M events, 0.053C
    1965, 40uA, 1M events, left magnet problem,
    1966, 40uA, 1M events, 0.051C
    1967, 40uA, 1M events, 0.052C
    1968, 40uA, 1M events, 0.052C
    1969, 40uA, 1M events, 0.054C
    1970, 40uA, 1M events, 0.054C
    1971, 40uA, 700K events, 0.038C
    1972, 40uA, 1M events, 0.047C
    1973, 40uA, 1M events, 0.047C
    1974, 40uA, 1M events, 0.047C
    1975, 40uA, 1M events, 0.047C
    1976, 40uA, 1M events, 0.049C
    (1.03C total)

    Kin #3, Bi target
    ------------------
    1977, 40uA, 1M events, continue to next shift