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    User name jpchen

    Log entry time 08:06:45 on November15,2007

    Entry number 214610

    keyword=Owl shift summary

    Owl shift summary:

    Shift workers: J. P. Chen(SL), Y. Zhang (3rd).

    0:00 production at 60 degree.
    0:15 Beam off: MCC is tuning beam for Hall C.
    0:51 beam back
    1:00 change Left P to 351.955 MeV. Set by 1:10
    1:41 start to change right P to 305.957 MeV. reach 3x10-3 at 2:04.
    reach 1x10-3 at 2:33.
    2:33 change Left P to 328.151 meV, set by 3:37.
    3:10 started to change right P to 276.818 MeV. Reach 2x10-3 at 3:53.
    reached 1x10-3 by 4:05.
    3:43, change left p to 305.957 MeV. Set by 3:45.
    4:08 change left to 276.818 MeV, set by 4:13.
    4:08 start to change righht to 250.455 MeV.
    4:34 change left P=250.455 MeV. Set by 4:38.
    5:16 change left P to 339.636 MeV, cycle Q2/Q3. Set by 5:35.
    5:16 start to change right P to 339.636 MeV, cycle Q2/Q3. set by 5:47.
    5:16-5:25 Beam off, MCC doing QE measurement


    Left spectrometer, 60 degree
    P=377.485 MeV
    run 2418, 0:08-0:14, 381K, 12-15 uA on Pb.
    2419, 0:54-0:59, 331K, 50 uA on He.
    P=351.955 MeV
    2420, 1:16-1:27, 608K, 50 uA on left 12C target
    2421, 1:31-1:40, 478K, 50 uA on left Fe.
    2422, 1:50-1:56, 385K, 40 uA on 10 cm Dummy.
    2423, 2:00-2:09, 810K, 50 uA on LH2
    2424, 2:13-2:21, 500K, 15 uA on Pb.
    2425, 2:27-2:33, 679K, 50 uA on He.
    P=328.151 MeV
    2426, 2:37-2:44, 989K, 50 uA on He.
    2427, 2:51-2:57, 463K, 15 uA on Pb.
    2428, 3:01-3:09, 862K, 50 uA on LH2.
    2429, 3:13-3:21, 757K, 50 uA on 10 cm dummy.
    2430, 3:26-3:32, 393K, 50 uA on left 12C.
    2431, 3:36-3:43, 375K, 50 uA on left Fe.
    P=305.957 MeV
    2432, 3:52-3:59, 742K, 50 uA on LH2.
    2433, 4:03-4:08, 384K, 15 uA on Pb
    P=276.818 MeV
    2434, 4:13-4:21, 499K, 15 uA on Pb.
    2435, 4:27-4:33, 678K, 50 uA on LH2.
    P=250.455 MeV
    2436, 4:39-4:47, 793K, 50 uA on LH2.
    2437, 4:50-5:01, 701K, 15 uA on Pb.
    2438, 5:04-5:14, 1022K, 50 uA on LH2.
    P=339.636 MeV (for Pb target study and acceptance study)
    Pb target study:
    2439, 5:33-5:42, 403K, 5 uA on Pb, x=-1, raster=2mm
    2440, 5:45-5:54, 404K, 5 uA on Pb, x=-1, raster=3mm
    2441, 6:00-6:09, 402K, 5 uA on Pb, x=-1, raster=4mm.
    2442, 6:12-6:21, 402K, 5 uA on Pb, x=-1, raster=1mm.
    acceptance study:
    2443, 6:23-6:32, 402K, 5uA on Pb, x=-1, raster=2mm.
    2444, 6:44-6:48, 408K, 50 uA on He.
    2445, 6:50-6:53, 405K, 50 uA on He.
    2446, 6:54-7:00, 867K, 50 uA on He.
    2447, 7:09-7:14, 456K, 50 uA on LH2
    2448, 7:20-7:26, 530K, 50 uA on 10 cm dummy.
    2449, 7:32-7:39, 361K, 50 uA on left 12C.
    2450, 7:42-7:48, 360K, 50 uA on left Fe.
    2451, 7:50-7:56, 358K, 50 uA on left Fe, raster size 3 mm.
    2452, 7:57-8:05, 282K, 50 uA on left Fe, raster size 4 mm.

    Right Spectrometer, 60 degree
    P=328.151 MeV
    run 20833, 0:08-0:14, 330K, 12-15 uA on Pb.
    20834, 0:54-0:59, 368K, 50 uA on He.
    20835, 1:16-1:27, 605K, 50 uA on left 12C.
    20836, 1:31-1:40, 450K, 50 uA on left Fe.
    P=305.957 MeV
    20837, 2:04-2:09, 520K, 50 uA on LH2. Right dipole still changing (3x10-3 level).
    20838, 2:13-2:17, 95K,15 uA on Pb. Dipole is still settling (3x10-3).
    20839, 2:17-2:21, 215K, 15 uA on Pb, dipole is still settling (3x10-3).
    20840, 2:27-2:33, 618K, 50 uA on He, dipole is within 2x10-3.
    20841, 2:35-2:44, 1084K, 50 uA on He, dipole is set (1x10-3).
    20842, 2:51-2:57, 431K, 15 uA on Pb.
    20843, 3:01-3:09, 766K, 50 uA on LH2.
    P=276.818 MeV
    20844, 3:53-3:59, 565K, 50 uA on LH2, dipole is still settling, reached 2x10-3 level.
    20845, 4:03-4:08, 355K, 15 uA on Pb, dipole 2x10-3 end at 1x10-3.
    p=250.455 MeV
    20846, 4:51-5:01, 625K, 15 uA on Pb, dipole <3x10-3.
    20847, 5:04-5:14, 1191K, 50 uA on LH2, dipole set.
    P=339.636 MeV (for Pb target study and acceptance study)
    Pb target study
    20848, wrong pre-scale factor.
    20849, 5:49-5:58, 402K, 5 uA on Pb, x=-1, raster=3mm
    20850, 6:00-6:09, 401K, 5 uA on Pb, x=-1, raster=4mm
    20851, 6:12-6:21, 401K, 5 uA on Pb, x=-1, raster=1mm
    Acceptance study:
    20852, 6:23-6:32, 401K, 5 uA on Pb, x=-1, raster=2mm
    20853, 6:44-6:48, 410K, 50 uA on He.
    20854, 6:50-6:59, 1372K, 50 uA on He.
    20855, 7:08-7:14, 562K, 50 uA on LH2
    20856, 7:20-7:26, 533K, 50 uA on 10 cm dummy.
    20857, 7:32-7:39, 396K, 50 uA on left 12C.
    20858, 7:42-7:48, 342K, 50 uA on left Fe.
    20859, 7:50-7:56, 347K, 50 uA on left Fe, raster size 3 mm.
    20860, 7:57-8:05, 272K, 50 uA on left Fe, raster size 4mm.