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    User name X. Jiang

    Log entry time 00:19:23 on May12,2006

    Entry number 173717

    keyword=swing shift summary. test run

    19:40 run#4631 0.25 uA beam, optics foil target.
    run#4632 0.5 uA. check raster.
    run#4633. 0.5 uA check raster MCC ratser call it 3.5*3.5
    run#4634 0.5uA MCC raster 1.5*1.5
    run#4635 1.2 uA beam, 230k events. MCC raster 1.5*1.5
    raster seems round, 3mm diameter at the target.
    Since we don't have much time for MCC to tune the
    beam, we will call it good enough.
    20:20 moved target to reference cell hydrogen, 137 psi.

    20:35 run#4636. reference cell hydrogen run. 4.0 uA beam.
    run#4637, 4638. cosmic
    21:00 access to the Hall to fix the neutron arm HV control.
    21:40 beam permit, start run again.

    21:40 run 4639, 1.0 million trigger
    reference cell Hydrogen. 137 psi
    rate T1 1.5*10^6Hz, T2 1.0kHz, T3 300Hz
    run 4640 0.5million trigger.

    22:50 change ratser size MCC2.0*2.0 run 4641. BB singles rate
    stay the same.

    22:53 run 4642, 1.0 million events,
    ratser MCC2.5*2.5. BB singles rate stay the same.

    run 4643 100k
    run 4644 370k