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    User name D. Parno

    Log entry time 20:11:54 on February 23, 2009

    Entry number 262990

    keyword=Offline deadtime < 20% for PS2 = 1

    Run 1748 is with a prescale factor ps2=1. Datamon reported a deadtime of 18-19%, with which the offline deadtime calculations (Fig. 1) agree after about a million events. We will continue running with ps2=1 for now.

    Fig. 2 shows that nothing dire has befallen the syncroc signals.

    A copy of this log entry has been emailed to: brads, vasulk

    Figure 1