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    User name G.M. Urciuoli

    Log entry time 08:07:31 on March 1,2006

    Entry number 164614

    keyword=03/01/2006 owl shift report

    8:00 shift starts

    Shift crew:
    SL G.M. Urciuoli
    TO A. Puckett

    ----------------------------------------------------------------

    Run 2458 Start 00:35 Stop 00:58

    Triggers (Hz) T1=205600; T2=217; T3=18

    Target Reference (H2, 135 Psig)

    Currents: 19.861 4.938 31.222 3.699 48.024 47.893 20.439 10.088

    Beam Position: BPMA X=-0.301 Y=-1.408; BPMB X=-0.376 Y=-0.633

    F1 TDCs had errors and were rebooted.

    ------------------------------------------------------

    Run 2459 Start 1:00 Stop 1:22 Events 172 K

    Target Reference (H2, 135 Psig)

    Triggers (Hz): T1=207200; T2=223; T3=19.

    Currents: 19.9; 5.0; 31.8; 3.7; 48.4; 48.2; 20.6; 10.1

    Beam Position: BPMA: X=-0.241 Y=-1.351; BPMB: X=-0.338 Y=-0.5931

    -----------------------------------------------------------------

    17:25 Reference Cell evacuated

    -----------------------------------------------------------

    run 2460 Start 1: 34 Stop 1:43 Events 32K

    Target Empty
    Beam current 1 uA

    -------------------------------------------------------------

    POSITION SCAN

    All the following runs are with "Target Empty"
    and BPMA position nominal values set to X=-0.244; Y=-1.548

    Run 2461 Start Stop 2:02 Events 20K
    BPMB nominal values: X=-0.345 Y=-0.778
    Current 1uA

    Run 2462 Start 2:05 Stop 2:11 Events 79K
    BPMB nominal values X=-0.345 Y= 0.78
    Current 5 uA


    We tried to set BPMB position values at X=-2.3; Y=1.3 but chambers tripped.

    Run 2463 Start 2:54 Stop 3:00 Events 18K
    BPMB nominal values: X=-1.3 Y=0.3
    Current 0.5uA

    Run 2464 Start 3:05 Stop 3:10 Events 17K
    BPMB nominal values X=-1.3 Y=-2.8
    Current 0.5 uA

    We tried to set BPMB position values at X=1.7; Y=-2.8 but chambers tripped

    We tried to set BPMB position values at X=0.8; Y=-2.8 but chambers tripped.

    We tried to set BPB position values at X=0.8; Y=-1.8 but chambers tripped

    Run 2465 Start 3:43 Stop 3:49 Events 17K
    BPMB nominal values X=0.8 Y=-0.8
    Current 0.5 uA

    We tried to set BPMB position values at X=0.8 Y=1.3 but chambers tripped.

    Run 2466 Start 3:58 Stop 4:03 Events 18K
    BPMB nominal values X=0.8; Y=0.3
    Current 0.5 uA

    ---------------------------------------------------------------

    16:15 Target moved to Optic Foils

    BPMA position values were set to X = -0.244; Y = -1.548
    BPMB position values were set to X = -0.345; Y = -0.778

    Run 2467 Start 4:21 Stop 4:31` Events 54K
    Current 0.25 uA
    Note: at this so low current value MCC people claim they have no more control on BPMA and BPMB position values.

    ------------------------------------------------------------------

    16:33 Target moved to polarized 3He.

    Target polarization measured and equal to 37.5%

    Current 1 uA

    Run Start Stop Events
    2468 4:51 5:21 200K
    2469 5:21 5:53 200K
    2470 5:54 6:24 145K
    2471 6:26 6:57 197K
    2472 6:58 7:30 200K
    2473 7:30 8:01 200k

    shift ends