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    User name jpchen

    Log entry time 20:02:30 on May 3,2011

    Entry number 357990

    keyword=Target screens. Vacuum spike

    After long down (~10 hours due to beam study), when first put 120 uA beam on 20 cm 3He, vaccum spike to above 5x10-5, caused yellow alarm.


    FIGURE 1

    FIGURE 2