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    User name X. Zheng

    Log entry time 16:05:31 on July17,2003

    Entry number 104293

    keyword=Delta scan summary - Part I

    delta scan, sieve slit out, left arm carbon target installed, no BeO target, no target collimators;

    Multi = 3 carbon foils

    +4%, P0 = 2.221 GeV, Septum Iset = 206A, Iread = 205.50A
    BPMAX=-1.224, Y=-0.054, BPMBX=-1.254, Y=0.195;
    run / start/stop / events / target / raster / bcm / PS1/PS2/PS3/PS4/DAQ rate
    21379, 2370, 2371 junk, check PS and rate;

    21380/8:40/8:53/1.7M/Multi/off/1.8uA/16.5M/1/1/1/350Hz;
    2372/8:43/8:53/Multi/off/1.8uA/40/200/9999/9999/3.4KHz;
    21381/8:56/9:04/0.9M/Multi/on/1.8uA/16.5M/1/1/1/350Hz;
    2373/8:56/9:04/Multi/on/1.8uA/40/200/9999/9999/3.4KHz;

    +2%, P0 = 2.178 GeV, Septum Iset = 202A, Iread = 201.50A
    BPMAX=-1.224, Y=-0.054, BPMBX=-1.254, Y=0.195;
    run / start/stop / events / target / raster / bcm / PS1/PS2/PS3/PS4/DAQ rate
    21382/2374 (junk, check rate)
    21383/2375, junk, almost no beam;
    21384/2:39/2:47/1.4M/Multi/on/1.8uA/16.5M/10K/1/30/530Hz;
    2376/2:39/2:47/200K/Multi/on/1.8uA/80/200/9999/9999/3.5KHz;
    21385/2:48/2:56/1.4M/Multi/off/1.8uA/16.5M/10K/1/30/520Hz;
    2377/2:48/2:56/200K/Multi/off/1.8uA/80/200/9999/9999/3.5KHz;

    +0%, P0 = 2.136 GeV, Septum Iset = 198A, Iread = 197.75A
    21386/2378 (junk, check rate)
    run /start/stop / events / target / raster / bcm / PS1/PS2/PS3/PS4/DAQ rate
    21387/15:14/15:25/1.8M/Multi/off/1.8uA/16.5M/10K/1/30/?
    2379/15:15/15:25/330K/Multi/off/1.8uA/120/300/9999/9999/~3.6K
    21388/15:28/15:41/255K/Multi/on/1.8uA/16.5M/10K/1/30/?
    2380/15:28/15:41/1.4M/Multi/on/1.8uA/120/300/9999/9999/3.0K


    -2%, P0=2.093 GeV, Septum Iset=194A,Iread=193.75A
    2381 (junk, check rate)
    21389/15:54/Multi/on/1.1uA/
    2382/15:58/Multi/on/1.1uA/

    continue to next shift

    (1M for R-arm, rate should be below 2K for left arm and 4K for right arm. take multi foil run with raster on and off, keep raw scaler to be less than 500KHz by reducing beam current.)