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    User name jglister

    Log entry time 19:41:27 on August 15, 2006

    Entry number 180192

    This entry is a followup to: 180153

    keyword=improvement in going to 3" carbon door

    FOM for 3" door = 0.015

    FOM for 1.5" door = 0.011

    This therefore gives a sqrt(0.015/0.011) = 1.17 improvement on polarization uncertainties or requires 0.011/0.015 = 0.73 of the triggers to obtain the same uncertainties as the 1.5" door.