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    User name X. Zheng

    Log entry time 04:17:47 on July22,2001

    Entry number 67065

    Followups:

    keyword=False asymmetry check from cosmic - #3

    (5) During July 4th down time there were a few days' cosmic runs. Half of the runs on the right arm cannot be processed.

    run number 1947~1979 (left) and 20947~20979 (right);
    cut in abs(target_z) < 0.15 (this is the only cut applied);
    use T1+T2 or T3+T4;

    - deadtime corrected by scalers:
    left arm: -903 +/- 704 ppm; right arm: -2771 +/- 5283 ppm

    - no deadtime correction:
    left arm: 156 +/- 704 ppm; right arm: -2143 +/- 5283 ppm