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    User name V. Sulkosky

    Log entry time 12:46:48 on February13,2011

    Entry number 346666

    keyword=TDC-ADC Plot Run 1255

    Plot for run 1255 for elastic Deutron into BigBite with T3 and T6. The timing separation is about 15 ns for this setting:

    LHRS 2020 MeV/c, 19 degrees
    BB ~750 MeV/c, 64.4 degrees

    The second plot shows the BigBite momentum distribution using Miha's
    analytical model so the momentum could be off. The black curve is
    all events, red are T3's and blue is T6's. It is interesting that
    only the peak around 1.4 GeV/c is seen in the T3 distribution. I am
    not sure about all the events around 0.85 GeV/c for T6. It could be
    that T6 is steeling the time from T3? That is one thing that Brad
    and I did not do last night was to order the triggers going into the
    trigger supervisor.

    Ideally we want T5 first and all other triggers after that, but it
    is better to have T1 and T3 come before T6 at the TS.


    FIGURE 1

    FIGURE 2