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    User name Jin Huang

    Log entry time 02:17:28 on July 07, 2010

    Entry number 330564

    This entry is a followup to: 330549


    keyword=Optics Check: Locating foils on optics target

    With improved beam spot and position, vz on both spectrometer improved a lot.
    * On left arm we see 3 foils at around their old locations.
    * On RHRS run 1807 (only 10% event have track), we also see 3 foils,
    however they are more twisted with tg_ph. It's even more twisted than
    LHRS when the initial database used on LHRS. 
    The right bottom of each plot show vz:tg_ph correlation.

    A copy of this log entry has been emailed to: riordan, vasulk, ntoro@stanford.edu

    Figure 1: Left arm run 1806

    Figure 2: Right arm run 1807