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    User name xqian

    Log entry time 04:39:15 on January 13, 2009

    Entry number 255728

    Followups:

    keyword=BigBite Collimator mis-placement

    Here is a plot which shows the bigBite Vertex reconstruction. It seems that the collimator are mis-placed, or the target is mis-placed. We can still see something from the window. We should check this carefully. I saw a higher dark current now.

    A copy of this log entry has been emailed to: jpchen@jlab.org,yqiang@jlab.org,vasulk@jlab.org,jiang@jlab.org



    Figure 1