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    User name paschke

    Log entry time 21:22:03 on April19,2004

    Entry number 118613

    keyword=optics runs


    "Extended target" optics runs (single-dominated runs using optics targets):

    start
    Run# #evts time Comments

    2561 430 k 18:50 10cm optics target,, 25% dead
    2562 250 k 18:55 10cm optics target, 16% dead (changed prescale)
    2563 300 k 20:10 24cm optics target, prescales:T1=15,T3=3
    2564 300 k 20:20 single-foil target, prescale: T1=15, T3=3.

    Run 2561: prescale: T1=4, T3=1
    Run 2562: prescale: T1=8, T3=-2
    Runs 2563, 2564 prescale: T1=15, T3=3

    Energy spread out of spec (6-9 e-5) for these runs.