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    User name R. Michaels

    Log entry time 17:08:12 on June 3,2004

    Entry number 124609

    keyword=T7 efficiency (qualitatively)

    In the FWIW department, here is the T7 efficiency analysis for
    Kine 17 using the bobT7.C macro for runs 1634 - 1685, which is about
    19 hours of running. It is difficult to pick out the Kaons (they
    should show up at ~2.5 nsec in fig 1), but just the fact that the
    number of entries in the vicinity of Kaons is similar in the upper
    and lower plots (which have same PID cuts, which might be too tight)
    means qualitatively the T7 efficiency is reasonable, I think. I
    cannot put a hard number on the efficiency, but probably effic > 70%.

    FIGURE 1