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    User name ejensen

    Log entry time 11:07:18 on July 5,2010

    Entry number 330185


    keyword=Timing Gate

    Here are plots of the Gas Cherenkov amplitude vs. timing for run #1727. The 1st plot is for the LEFT arm [7] counter and the 2nd is for the RIGHT arm [5] counter. In both we see the timing gate is about 200 channels, or 100 ns. The dense strips in the center correspond to coincident events. After analyzing these plots Bogdan made a couple suggestions. It appears the left arm timing gate is a bit early, so we should consider delaying it. We should also consider chopping around 30 ns off of the right arm timing gate.

    FIGURE 1

    FIGURE 2