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    User name D. Parno

    Log entry time 23:20:28 on February15,2009

    Entry number 261377


    keyword=Cerenkov TDCs vanish for high T6 threshold

    Kalyan set T6 high (-250 mV) for Run 1471. For reasons we do not yet understand, this caused the Cerenkov TDCs to vanish. (Golden run here is 1470, with old, lower threshold.)

    FIGURE 1

    FIGURE 2