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    User name G.M. Urciuoli

    Log entry time 16:00:34 on July27,2003

    Entry number 107445

    keyword=7/27/03 shift day report





    7/27/2003

    day shift reprt.

    shift crew:

    SL: G.M. Urciuoli
    TO: V. Sulkovsky
    3rd: B. Craver

    8:00 shift starts


    Kin 6.13

    right arm momentum 2.492 Gev/c right arm angle 12.5
    left arm momentum 3.17 left arm angle 18
    Septum current 230.75 Amp

    Raster ON

    Beam current 4.7 uA


    Right arm run
    Time Run Num. Target PS1 PS2 beam lamba/2 target lamba/2 Events
    8:09 2884 3 He 0 deg 1 1 IN OUT 3 M
    8:25 2885 3 He 0 deg 1 1 IN OUT 3 M
    8:49 2886 3 He 0 deg 1 1 IN OUT 3 M
    9:17 2887 3 He 0 deg 1 1 OUT OUT 3 M
    9:33 2888 3 He 0 deg 1 1 OUT OUT 3 M
    9:47 2889 3 He 0 deg 1 1 OUT OUT 3 M
    10:09 2890 JUNK
    10:12 2891 3He 270 d. 1 1 OUT OUT 3 M
    10:27 2892 3He 270 d. 1 1 OUT OUT 2.6 M

    Left arm run
    Time Run Number Events
    8:09 22884 0.366 M
    8:25 22885 0.370 M
    8:49 22886 0.376 M
    9:17 22887
    9:33 22888 0.370 M
    9:47 22889 0.380 M
    10:09 22890 JUNK
    10:12 22891 0.367 M
    10:27 22892 0.320 M

    the header comments in the runs 2887, 2888, 289, 22887, 22888 and 22889 have one mistake: beam lambda/2 is written as "IN", it was actually "OUT".

    11:15

    Kinematics 6.14

    Right arm momentum 2.312 Gev/c Right arm angle 12.5 deg
    Left arm momentum 3.17 Gev/C left arm angle 18 deg
    Septum current 214.25 A

    Raster ON

    10:20 Bleedthrough measurement 2.46%
    Slit position fully open
    Attenuator 391

    Beam 10 uA

    right arm run
    Time Run Number Target Ps1 Ps2 beam target Events
    lambda/2 lambda/2
    11:17 2893 empty ref cell 1 1 OUT OUT 1.7 M

    rate 2000 events/s

    left arm run
    Time Run Number Events
    11:17 22893 0.668 M

    beam current 4.7 uA

    right arm run
    Time Run Number Target Ps1 Ps2 beam target Events
    lamba/2 lambda/2
    11:35 2894 N2 ref. cell 5 5 OUT OUT 2.2 M
    2895 3He 0 deg Junk
    11:55 2896 3He 0 deg 1 1 OUT OUT 3 M
    12:11 2897 3He 0 deg 1 1 OUT OUT 3 M
    12:26 2898 3He 0 deg 1 1 OUT OUT 3 M
    12:40 2899 3He 0 deg 1 1 IN OUT 3 M
    13:01 2890 3He 0 deg 1 1 IN OUT 3 M
    13:16 2891 3He 0 deg 1 1 IN OUT 3 M
    13:53 2892 3He 270 deg 1 1 IN OUT 3 M
    14:07 2893 3He 270 deg 1 1 IN OUT 1.5 M

    left arm run
    Time Run Number Events
    11:35 22894 0.23 M
    22895 junk
    11:55 22896 0.372 M
    12:11 22897 0.370 M
    12:26 22898 0.365 M
    12:40 22899 0.368 M
    13:01 22890 0.369 M
    13:16 22891 0.371 M
    13:53 22892 0.370 M
    14:07 22893 0.189 M



    13:30 target polariztion measurement: EPR 39.85%, NMR 41.1%


    15:10 Kin 6.16

    Right arm momentum: 1.985 Gev/c Right arm angle: 12.5
    Left arm momentum: 3.17 Gev/c Left arm angle: 18
    Septum current: 184 A

    Raster ON

    Beam 10 uA

    Right arm run:
    Time Run Number Target Ps1 Ps2 Beam Target Events
    lambda/2 lambda/2
    15:14 2904 empty ref. cell 5 5 IN OUT 1.33 M

    Left arm run:
    Time Run Number Events
    15:14 22904 0.472 M

    rate 2.5 K Events/sec

    15:22 Bleedtrough measurement 2.49%
    Slit position -1
    Attenuator 400


    Beam 4.7 uA

    Right arm run
    Time Run Number Target Ps1 Ps2 Beam Target Events
    lambda/2 lambda/2
    15:30 2905 N2 ref.cell 5 5 IN OUT 2.1 M
    15: 2906 3He 0 deg 1 1 IN OUT

    Left arm run
    Time Run Number Events
    15:30 22905 0.23 M
    22906 s

    The left arm Ps change (since run 22905) from 1 and 2 to 1 and 3