Difference between revisions of "Run summary for commissioning in fall 2016"

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(Production runs)
(Production runs)
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     <td>12.1</td>
 
     <td>12.1</td>
 
     <td></td>
 
     <td></td>
 +
  </tr>
 +
<tr>
 +
    <td>22871-22879</td>
 +
    <td>15cm LH2</td>
 +
    <td>2 x 2 mm<SUP>2</SUP></td>
 +
    <td>8.517</td>
 +
    <td>2.060</td>
 +
    <td>48.75</td>
 +
    <td>12.1</td>
 +
    <td></td>
 +
  </tr>
 +
<tr>
 +
    <td>22880</td>
 +
    <td>15cm LH2</td>
 +
    <td>2 x 2 mm<SUP>2</SUP></td>
 +
    <td>8.517</td>
 +
    <td>2.060</td>
 +
    <td>48.75</td>
 +
    <td>12.1</td>
 +
    <td>Poor Beam Quality for first part of run</td>
 
   </tr>
 
   </tr>
 
</table>
 
</table>

Revision as of 06:41, 22 October 2016

BPM calibration runs (Bull's eye scan)

Relative position LHRS CODA run RHRS CODA run Harp scan entry no.
(0,0) 13790 22744 https://logbooks.jlab.org/entry/3427766
(2,2) 13791 22745 https://logbooks.jlab.org/entry/3427773
(2,-2) 13792 22746 https://logbooks.jlab.org/entry/3427779
(-2,-2) 13793 22747 https://logbooks.jlab.org/entry/3427785
(-2,2) 13794 22748 https://logbooks.jlab.org/entry/3427791
(3,3) 13795 22749 https://logbooks.jlab.org/entry/3427806
(-3,-3) 13796 22750 https://logbooks.jlab.org/entry/3427812

BCM calibration runs

LHRS CODA run RHRS CODA run BCM logger Comments
13797 22751 See https://logbooks.jlab.org/entry/3427846
13852 22790-22791 See https://logbooks.jlab.org/entry/3429066; CODA run 22790 crashed

Optics commissioning runs

Run number Target Sieve Raster Ebeam [GeV] P0 [GeV/c] θe [deg] Comment
13831-13833 Multi-foil carbon Yes Off 2.217 1.0 17.5 ps1,2,3=1
13845 15cm LH2 Yes 2 x 2 mm2 2.217 1.0 17.5 ps1=10, ps2=100, ps3=100, ps8=10000
13893-13899 Multi-foil carbon Yes Off 2.217 1.08 42.0 ps1,2,3=1, ps7=1, ps8=10000
  • Step L2: Delta Scan with Proton Elastic (with sieve slit)
Run number Target Sieve Raster Ebeam [GeV] P0 [GeV/c] θe [deg] Comment
13834 15cm LH2 Yes 2 x 2 mm2 2.217 2.078 17.5 Delta scan ΔP=-4%; ps1,2,3=1
13835 15cm LH2 Yes 2 x 2 mm2 2.217 2.038 17.5 Delta scan ΔP=-2%; ps1,2,3=1
13836 15cm LH2 Yes 2 x 2 mm2 2.217 1.998 17.5 Delta scan ΔP=0%; ps1,2,3=1
13837 15cm LH2 Yes 2 x 2 mm2 2.217 1.958 17.5 Delta scan ΔP=+2%; ps1,2,3=1
13838 15cm LH2 Yes 2 x 2 mm2 2.217 1.918 17.5 Delta scan ΔP=+4%; ps1,2,3=1
  • Step L3: Dummy Target Runs (with sieve slit)
Run number Target Sieve Raster Ebeam [GeV] P0 [GeV/c] θe [deg] Comment
13841 15cm dummy Yes 2 x 2 mm2 2.217 1.918 17.5 ps1,2,3=1; magnet momentum was at +4% delta scan setting
  • Step L4: Proton Elastic Kinematics
Run number Target Sieve Raster Ebeam [GeV] P0 [GeV/c] θe [deg] Comment
13900 Single-foil carbon No Off 2.217 1.366 42.0 ps1,2,3=1, ps7=1, ps8=10000
13901, 13904 15cm dummy No 2 x 2 mm2 2.217 1.366 42.0 ps1,2,3=1, ps7=1, ps8=10000
13903 15cm LH2 No 2 x 2 mm2 2.217 1.366 42.0 ps1,2,3=1, ps7=1, ps8=10000
Run number Target Sieve Raster Ebeam [GeV] P0 [GeV/c] θe [deg] Comment
22788-22789 15cm LH2 Yes 2 x 2 mm2 2.217 1.0 48.75 ps1=1, ps2=1, ps3=1, ps8=100
22828-22834 Multi-foil carbon Yes Off 2.217 1.0 48.75 ps1,2,3=1, ps8=100
  • Step R2: Delta Scan with Proton Elastic (without sieve slit)
Run number Target Sieve Raster Ebeam [GeV] P0 [GeV/c] θe [deg] Comment
22771 15cm LH2 Yes 2 x 2 mm2 2.217 1.277 48.75 Delta scan ΔP=-4%; ps1,2,3=1
22772-22773 15cm LH2 Yes 2 x 2 mm2 2.217 1.253 48.75 Delta scan ΔP=-2%; ps1,2,3=1
22775 15cm LH2 Yes 2 x 2 mm2 2.217 1.228 48.75 Delta scan ΔP=0%; ps1,2,3=1
22776 15cm LH2 Yes 2 x 2 mm2 2.217 1.204 48.75 Delta scan ΔP=+2%; ps1,2,3=1
22777-22778 15cm LH2 Yes 2 x 2 mm2 2.217 1.179 48.75 Delta scan ΔP=+4%; ps1,2,3=1
  • Step R3: Dummy Target Runs (without sieve slit)
Run number Target Sieve Raster Ebeam [GeV] P0 [GeV/c] θe [deg] Comment
22780 15cm dummy No 2 x 2 mm2 2.217 1.228 48.75 ps1,2,3=1
22837 15cm dummy No 2 x 2 mm2 2.217 1.204 48.75 ps1,2,3=1, ps8=100; Notice the spectrometer momentum is set at 2% lower than hydrogen elastic
  • Step R4: Procedure without Sieve-slit
Run number Target Sieve Raster Ebeam [GeV] P0 [GeV/c] θe [deg] Comment
22782 Multi-foil No No 2.217 1.0 48.75 ps1,2,3=1
22783 Single-foil carbon No No 2.217 1.0 48.75 ps1,2,3=1
  • Step R5: Proton Elastic Kinematics to Check Beam Energy
Run number Target Sieve Raster Ebeam [GeV] P0 [GeV/c] θe [deg] Comment
22836 15cm LH2 No 2 x 2 mm2 2.217 1.204 48.75 ps1,2,3=1, ps8=100, compare W distribution with delta scan run 22776

LHRS prescale scan

Run number Target Sieve Raster Ebeam [GeV] P0 [GeV/c] θe [deg] Comment
13846 15cm LH2 No 2 x 2 mm2 2.217 1.0 17.5 ps1=100,ps2=1000,ps3=1000,ps8=10000
13847 15cm LH2 No 2 x 2 mm2 2.217 1.0 17.5 ps1=120,ps2=1000,ps3=900,ps8=10000
13848 15cm LH2 No 2 x 2 mm2 2.217 1.0 17.5 ps1=150,ps2=1000,ps3=800,ps8=10000
13849 15cm LH2 No 2 x 2 mm2 2.217 1.0 17.5 ps1=200,ps2=1000,ps3=700,ps8=10000
13850 15cm LH2 No 2 x 2 mm2 2.217 1.0 17.5 ps1=300,ps2=1000,ps3=600,ps8=10000
13851 15cm LH2 No 2 x 2 mm2 2.217 1.0 17.5 ps1=500,ps2=1000,ps3=500,ps8=10000

Target boiling study

  • The run plan and spectrometer settings for target current scan can be found here.
  • Carbon Target Current Scan
Run number Beam current [μA] Raster Ebeam [GeV] P0L [GeV/c] θeL [deg] P0R [GeV/c] θeR [deg] Comment
13853, 22792 3 2 x 2 mm2 2.217 1.0 17.5 1.0 48.75 LHRS: ps1,2,3=1, ps8=10000, no sieve; RHRS: ps1,2,3=1, ps8=100, sieve in
13854, 22793 5 2 x 2 mm2 2.217 1.0 17.5 1.0 48.75 LHRS: ps1,2,3=2, ps8=10000, no sieve; RHRS: ps1,2,3=1, ps8=100, sieve in
13855, 22794 10 2 x 2 mm2 2.217 1.0 17.5 1.0 48.75 LHRS: ps1,2,3=3, ps8=10000, no sieve; RHRS: ps1,2,3=1, ps8=100, sieve in
13856, 22795 25 2 x 2 mm2 2.217 1.0 17.5 1.0 48.75 LHRS: ps1,2,3=7, ps8=10000, no sieve; RHRS: ps1,2,3=1, ps8=100, sieve in
13858, 22796 40 2 x 2 mm2 2.217 1.0 17.5 1.0 48.75 LHRS: ps1,2,3=15, ps8=10000, no sieve; RHRS: ps1,2,3=1, ps8=100, sieve in
13859, 22797 55 2 x 2 mm2 2.217 1.0 17.5 1.0 48.75 LHRS: ps1,2,3=20, ps8=10000, no sieve; RHRS: ps1,2,3=1, ps8=100, sieve in
13860, 22798 70 2 x 2 mm2 2.217 1.0 17.5 1.0 48.75 LHRS: ps1,2,3=25, ps8=10000, no sieve; RHRS: ps1,2,3=1, ps8=100, sieve in
13861, 22799 75 2 x 2 mm2 2.217 1.0 17.5 1.0 48.75 LHRS: ps1,2,3=25, ps8=10000, no sieve; RHRS: ps1,2,3=1, ps8=100, sieve in
  • LH2 current scan
Run number Beam current [μA] Raster Ebeam [GeV] P0L [GeV/c] θeL [deg] P0R [GeV/c] θeR [deg] Comment
13862, 22800 3 2 x 2 mm2 2.217 1.0 17.5 1.0 48.75 Fan speed at 60 Hz; LHRS: ps1,2,3=10, ps8=10000, no sieve; RHRS: ps1,2,3=3, ps8=100, sieve in
13863, 22801 5 2 x 2 mm2 2.217 1.0 17.5 1.0 48.75 Fan speed at 60 Hz; LHRS: ps1,2,3=15, ps8=10000, no sieve; RHRS: ps1,2,3=3, ps8=100, sieve in
13864, 22802 10 2 x 2 mm2 2.217 1.0 17.5 1.0 48.75 Fan speed at 60 Hz; LHRS: ps1,2,3=30, ps8=10000, no sieve; RHRS: ps1,2,3=3, ps8=100, sieve in
13866, 22803 20 2 x 2 mm2 2.217 1.0 17.5 1.0 48.75 Fan speed at 60 Hz; LHRS: ps1,2,3=60, ps8=10000, no sieve; RHRS: ps1,2,3=3, ps8=100, sieve in
13867, 22804 30 2 x 2 mm2 2.217 1.0 17.5 1.0 48.75 Fan speed at 60 Hz; LHRS: ps1,2,3=86, ps8=10000, no sieve; RHRS: ps1,2,3=3, ps8=100, sieve in
13868-13869, 22805-22806 40 2 x 2 mm2 2.217 1.0 17.5 1.0 48.75 Fan speed at 60 Hz; LHRS: ps1,2,3=115, ps8=10000, no sieve; RHRS: ps1,2,3=3, ps8=100, sieve in
13870, 22807 50 2 x 2 mm2 2.217 1.0 17.5 1.0 48.75 Fan speed at 60 Hz; LHRS: ps1,2,3=140, ps8=10000, no sieve; RHRS: ps1,2,3=3, ps8=100, sieve in
13871-13873, 22808-22810 60 2 x 2 mm2 2.217 1.0 17.5 1.0 48.75 Fan speed at 60 Hz; LHRS: ps1,2,3=170, ps8=10000, no sieve; RHRS: ps1,2,3=3, ps8=100, sieve in
13875, 22812 60 2 x 2 mm2 2.217 1.0 17.5 1.0 48.75 Fan speed at 30 Hz; LHRS: ps1,2,3=170, ps8=10000, no sieve; RHRS: ps1,2,3=3, ps8=100, sieve in
13876, 22813 50 2 x 2 mm2 2.217 1.0 17.5 1.0 48.75 Fan speed at 45 Hz; LHRS: ps1,2,3=115, ps8=10000, no sieve; RHRS: ps1,2,3=3, ps8=100, sieve in
13877, 22814 50 3 x 3 mm2 2.217 1.0 17.5 1.0 48.75 Fan speed at 60 Hz; LHRS: ps1,2,3=115, ps8=10000, no sieve; RHRS: ps1,2,3=3, ps8=100, sieve in
13878, 22815 50 4 x 4 mm2 2.217 1.0 17.5 1.0 48.75 Fan speed at 60 Hz; LHRS: ps1,2,3=115, ps8=10000, no sieve; RHRS: ps1,2,3=3, ps8=100, sieve in
13879, 22816 45 2 x 2 mm2 2.217 1.0 17.5 1.0 48.75 Fan speed at 60 Hz; LHRS: ps1,2,3=115, ps8=10000, no sieve; RHRS: ps1,2,3=3, ps8=100, sieve in
13880, 22817 55 2 x 2 mm2 2.217 1.0 17.5 1.0 48.75 Fan speed at 60 Hz; LHRS: ps1,2,3=115, ps8=10000, no sieve; RHRS: ps1,2,3=3, ps8=100, sieve in
  • 15-cm Aluminum dummy
Run number Beam current [μA] Raster Ebeam [GeV] P0L [GeV/c] θeL [deg] P0R [GeV/c] θeR [deg] Comment
13874, 22811 40 2 x 2 mm2 2.217 1.0 17.5 1.0 48.75 LHRS: ps1,2,3=35, ps8=10000, no sieve; RHRS: ps1,2,3=1, ps8=100, sieve in

Production runs

  • The production run plan can be found here.
  • 4th Pass (Ebeam = 8.5 GeV)

LHRS hydrogen elastic runs

Run number Target Raster Ebeam [GeV] P0 [GeV/c] θe [deg] Q2 [GeV2] Comment
13920 15cm LH2 2 x 2 mm2 8.517 2.531 42.0 11.18 Raster coil tripped in run 13920
13921, 13923-13937 15cm LH2 2 x 2 mm2 8.517 2.531 42.0 11.18 Raster coil fixed before run 13921
13940-13950 15cm LH2 2 x 2 mm2 8.517 2.531 42.0 11.18
13951 15cm LH2 2 x 2 mm2 8.517 2.531 42.0 11.18 Run Started at 65uA, went to 70uA
13952 15cm LH2 2 x 2 mm2 8.517 2.531 42.0 11.18 Audible HV alarm before end of run, but all channels appear to be on
13953, 13955-13957 15cm LH2 2 x 2 mm2 8.517 2.531 42.0 11.18
13959-13961,13963-13969 15cm LH2 2 x 2 mm2 8.517 2.531 42.0 11.18
13970 15cm LH2 2 x 2 mm2 8.517 2.531 42.0 11.18 CODA disconnected before end of run
13972 15cm LH2 2 x 2 mm2 8.517 2.531 42.0 11.18 Poor Beam Quality for first part of run

LHRS carbon runs

Run number Target Raster Ebeam [GeV] P0 [GeV/c] θe [deg] Q2 [GeV2] Comment
13958 Single Carbon Off 8.517 1.0 42.0 4.38

RHRS hydrogen elastic runs

Run number Target Raster Ebeam [GeV] P0 [GeV/c] θe [deg] Q2 [GeV2] Comment
22851-22860 15cm LH2 2 x 2 mm2 8.517 2.060 48.75 12.1 A group of hot wires in VDC v1 plane in run 22851-22853
22861 15cm LH2 2 x 2 mm2 8.517 2.060 48.75 12.1 Run Started at 65uA, went to 70uA
22862 15cm LH2 2 x 2 mm2 8.517 2.060 48.75 12.1 Audible HV alarm before end of run, but all channels appear to be on
22863, 22865-22867 15cm LH2 2 x 2 mm2 8.517 2.060 48.75 12.1
22869 15cm LH2 2 x 2 mm2 8.517 2.060 48.75 12.1
22871-22879 15cm LH2 2 x 2 mm2 8.517 2.060 48.75 12.1
22880 15cm LH2 2 x 2 mm2 8.517 2.060 48.75 12.1 Poor Beam Quality for first part of run

RHRS carbon runs

Run number Target Raster Ebeam [GeV] P0 [GeV/c] θe [deg] Q2 [GeV2] Comment
22868 Single Carbon Off 8.517 1.0 48.75 5.80

ARC energy measurements

1st Pass Hall A ARC Bdl Measurements