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    User name brads

    Log entry time 19:15:01 on November11,2008

    Entry number 248214


    keyword=BB Cerenkov PMTs 5, 6,7 shielded from beamline

    Jack and I set up some lead shielding between the beamline and the BB Cerenkov. It should do a reasonable job shielding PMTs 5,6,7 from beamline background (if present).

    I'll get some photos up when I can find a camera.