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    User name M Friend

    Log entry time 23:41:20 on August31,2009

    Entry number 287275

    keyword=Compton Photon Detector Pedestal Shift

    There is a ~10 channel pedestal shift in the Compton photon detector when the detector is in 60uA beam (seen in the FADC DAQ). The 1st picture is with the photon detector moved out of the beam; the pedestal is at 3700. The 2nd picture is in the beam; the pedestal is at 3689.

    FIGURE 1

    FIGURE 2