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    User name jroche

    Log entry time 23:47:39 on October10,2010

    Entry number 334334

    This entry is a followup to: 334006

    keyword=Vertex resolution with new t0 for vdc

    Per Carlos request, here is the vertex recontruction for run 7067 with the new t0 on the vdc.
    Unfortunately, I overwrote the file analyzed with the previous t0s. But if one believes that Carlos's fit and my fit are equivalent, the new T0s reduced the resolution by almost a factor 2. For the central foil Carlos got 6mm RMS, where this latest analysis gives 3.5 mm RMS.

    That's good news.


    FIGURE 1