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    User name Jin Huang

    Log entry time 21:46:05 on February 25, 2009

    Entry number 263346

    This entry is a followup to: 263337

    keyword=Correction Coil -> 0.9A

    Further check of massing effect.

    It's shown that, in correction coil
    0.0A -> massing thr = 54%
    0.8A -> massing thr = 52%
    1.0A -> massing thr > 58%

    a naive estimation of massing thr @ 0.9A is around 58%. Therefore 0.9A is
    set to further map out the massing threshold VS field gradient.

    A copy of this log entry has been emailed to: yqiang