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    User name R. Michaels

    Log entry time 07:30:16 on October28,2005

    Entry number 158264

    This entry is a followup to: 158219

    keyword=Alum. bgr. plots

    Here are some plots of the aluminum background run 2910.

    Fig 1: Momentum spectrum. The red lines show the rough footprint
    of the detector. There is a small nub for elastic aluminum but
    it misses. Meanwhile, the broad quasielastic washes over detector.

    Fig 2. X-Y distribution showing location of elastic candidates
    and detector. The yellow dots are the entire aluminum dummy run
    for S0 triggers. This is for Right HRS.

    Fig 3. Same for Left HRS.

    Don't worry about "Y misalignment". The Y depends on P0 setting
    which was different for the runs that found detector footprint.

    FIGURE 1

    FIGURE 2

    FIGURE 3