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    User name M Friend

    Log entry time 18:34:50 on June 8,2010

    Entry number 325312

    This entry is a followup to: 318872

    keyword=Compton photon beam position

    I did a Compton photon detector table scan to determine the position of the Compton photon beam (in units of photon detector table position). It looks like the beam position is (photon detector centered) position x=69mm and y=44mm. This is about 1mm off in each direction from the current nominal position of x=70.3mm, y=43mm.

    FIGURE 1

    FIGURE 2