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    User name M Friend

    Log entry time 20:31:02 on October13,2010

    Entry number 334731

    keyword=Compton rates

    Compton rates with 2/5uA beam at HV=-1650, with 3mm lead filter: 280Hz/uA laser off, 1.1kHz/uA laser on.

    With 2mm lead filter:
    500Hz/uA laser off, 1.2kHz/uA laser on

    We'll take a little more data, but we should probably put the lead filter back in.

    FIGURE 1

    FIGURE 2