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

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(→‎Target boiling study)
(→‎Production runs (GMp dedicated period))
Line 2,109: Line 2,109:
 
     <td>&theta;<SUB>e</SUB> [deg]</td>
 
     <td>&theta;<SUB>e</SUB> [deg]</td>
 
     <td>Q<SUP>2</SUP> [GeV<SUP>2</SUP>]</td>
 
     <td>Q<SUP>2</SUP> [GeV<SUP>2</SUP>]</td>
 +
    <td>Off_x [mm]</td>
 +
    <td>Off_y [mm]</td>
 +
    <td>Off_z [mm]</td>
 +
    <td>&theta;<SUB>survey</SUB> [deg]</td>
 
     <td>Comment</td>
 
     <td>Comment</td>
 
   </tr>
 
   </tr>
Line 2,120: Line 2,124:
 
     <td>48.75</td>
 
     <td>48.75</td>
 
     <td>12.1</td>
 
     <td>12.1</td>
 +
    <td>2.189</td>
 +
    <td>-1.42</td>
 +
    <td>2.488</td>
 +
    <td>48.666</td>
 
     <td>A group of hot wires in VDC v1 plane in run 22851-22853</td>
 
     <td>A group of hot wires in VDC v1 plane in run 22851-22853</td>
 
   </tr>
 
   </tr>
Line 2,131: Line 2,139:
 
     <td>48.75</td>
 
     <td>48.75</td>
 
     <td>12.1</td>
 
     <td>12.1</td>
 +
    <td>2.189</td>
 +
    <td>-1.42</td>
 +
    <td>2.488</td>
 +
    <td>48.666</td>
 
     <td>Run Started at 65uA, went to 70uA</td>
 
     <td>Run Started at 65uA, went to 70uA</td>
 
   </tr>
 
   </tr>
Line 2,142: Line 2,154:
 
     <td>48.75</td>
 
     <td>48.75</td>
 
     <td>12.1</td>
 
     <td>12.1</td>
 +
    <td>2.189</td>
 +
    <td>-1.42</td>
 +
    <td>2.488</td>
 +
    <td>48.666</td>
 
     <td>Audible HV alarm before end of run, but all channels appear to be on</td>
 
     <td>Audible HV alarm before end of run, but all channels appear to be on</td>
 
   </tr>
 
   </tr>
Line 2,153: Line 2,169:
 
     <td>48.75</td>
 
     <td>48.75</td>
 
     <td>12.1</td>
 
     <td>12.1</td>
 +
    <td>2.189</td>
 +
    <td>-1.42</td>
 +
    <td>2.488</td>
 +
    <td>48.666</td>
 
     <td></td>
 
     <td></td>
 
   </tr>
 
   </tr>
Line 2,164: Line 2,184:
 
     <td>48.75</td>
 
     <td>48.75</td>
 
     <td>12.1</td>
 
     <td>12.1</td>
 +
    <td>2.189</td>
 +
    <td>-1.42</td>
 +
    <td>2.488</td>
 +
    <td>48.666</td>
 
     <td></td>
 
     <td></td>
 
   </tr>
 
   </tr>
Line 2,175: Line 2,199:
 
     <td>48.75</td>
 
     <td>48.75</td>
 
     <td>12.1</td>
 
     <td>12.1</td>
 +
    <td>2.189</td>
 +
    <td>-1.42</td>
 +
    <td>2.488</td>
 +
    <td>48.666</td>
 
     <td></td>
 
     <td></td>
 
   </tr>
 
   </tr>
Line 2,186: Line 2,214:
 
     <td>48.75</td>
 
     <td>48.75</td>
 
     <td>12.1</td>
 
     <td>12.1</td>
 +
    <td>2.189</td>
 +
    <td>-1.42</td>
 +
    <td>2.488</td>
 +
    <td>48.666</td>
 
     <td>Poor Beam Quality for first part of run</td>
 
     <td>Poor Beam Quality for first part of run</td>
 
   </tr>
 
   </tr>
Line 2,197: Line 2,229:
 
     <td>48.75</td>
 
     <td>48.75</td>
 
     <td>12.1</td>
 
     <td>12.1</td>
 +
    <td>2.189</td>
 +
    <td>-1.42</td>
 +
    <td>2.488</td>
 +
    <td>48.666</td>
 
     <td></td>
 
     <td></td>
 
   </tr>
 
   </tr>
Line 2,208: Line 2,244:
 
     <td>48.75</td>
 
     <td>48.75</td>
 
     <td>12.1</td>
 
     <td>12.1</td>
 +
    <td>2.189</td>
 +
    <td>-1.42</td>
 +
    <td>2.488</td>
 +
    <td>48.666</td>
 
     <td>Raster tripped in this run</td>
 
     <td>Raster tripped in this run</td>
 
   </tr>
 
   </tr>
Line 2,219: Line 2,259:
 
     <td>48.75</td>
 
     <td>48.75</td>
 
     <td>12.1</td>
 
     <td>12.1</td>
 +
    <td>2.189</td>
 +
    <td>-1.42</td>
 +
    <td>2.488</td>
 +
    <td>48.666</td>
 
     <td>Raster fixed before run 22894</td>
 
     <td>Raster fixed before run 22894</td>
 
   </tr>
 
   </tr>
Line 2,230: Line 2,274:
 
     <td>48.75</td>
 
     <td>48.75</td>
 
     <td>12.1</td>
 
     <td>12.1</td>
 +
    <td>2.189</td>
 +
    <td>-1.42</td>
 +
    <td>2.488</td>
 +
    <td>48.666</td>
 
     <td></td>
 
     <td></td>
 
   </tr>
 
   </tr>
Line 2,241: Line 2,289:
 
     <td>48.75</td>
 
     <td>48.75</td>
 
     <td>12.1</td>
 
     <td>12.1</td>
 +
    <td>2.189</td>
 +
    <td>-1.42</td>
 +
    <td>2.488</td>
 +
    <td>48.666</td>
 
     <td>No beam in last 10 minutes</td>
 
     <td>No beam in last 10 minutes</td>
 
   </tr>
 
   </tr>
Line 2,252: Line 2,304:
 
     <td>48.75</td>
 
     <td>48.75</td>
 
     <td>12.1</td>
 
     <td>12.1</td>
 +
    <td>2.189</td>
 +
    <td>-1.42</td>
 +
    <td>2.488</td>
 +
    <td>48.666</td>
 
     <td></td>
 
     <td></td>
 
   </tr>
 
   </tr>
Line 2,263: Line 2,319:
 
     <td>48.75</td>
 
     <td>48.75</td>
 
     <td>12.1</td>
 
     <td>12.1</td>
 +
    <td>2.189</td>
 +
    <td>-1.42</td>
 +
    <td>2.488</td>
 +
    <td>48.666</td>
 
     <td>Event recorder died so run was stopped early</td>
 
     <td>Event recorder died so run was stopped early</td>
 
   </tr>
 
   </tr>
Line 2,274: Line 2,334:
 
     <td>48.75</td>
 
     <td>48.75</td>
 
     <td>12.1</td>
 
     <td>12.1</td>
 +
    <td>2.189</td>
 +
    <td>-1.42</td>
 +
    <td>2.488</td>
 +
    <td>48.666</td>
 
     <td></td>
 
     <td></td>
 
   </tr>
 
   </tr>
Line 2,285: Line 2,349:
 
     <td>48.75</td>
 
     <td>48.75</td>
 
     <td>12.1</td>
 
     <td>12.1</td>
 +
    <td>2.189</td>
 +
    <td>-1.42</td>
 +
    <td>2.488</td>
 +
    <td>48.666</td>
 
     <td></td>
 
     <td></td>
 
   </tr>
 
   </tr>
Line 2,296: Line 2,364:
 
     <td>48.75</td>
 
     <td>48.75</td>
 
     <td>12.1</td>
 
     <td>12.1</td>
 +
    <td>2.189</td>
 +
    <td>-1.42</td>
 +
    <td>2.488</td>
 +
    <td>48.666</td>
 
     <td></td>
 
     <td></td>
 
   </tr>
 
   </tr>
Line 2,307: Line 2,379:
 
     <td>48.75</td>
 
     <td>48.75</td>
 
     <td>12.1</td>
 
     <td>12.1</td>
 +
    <td>2.189</td>
 +
    <td>-1.42</td>
 +
    <td>2.488</td>
 +
    <td>48.666</td>
 
     <td>Short run (20 mins)</td>
 
     <td>Short run (20 mins)</td>
 
   </tr>
 
   </tr>
Line 2,318: Line 2,394:
 
     <td>48.75</td>
 
     <td>48.75</td>
 
     <td>12.1</td>
 
     <td>12.1</td>
 +
    <td>2.189</td>
 +
    <td>-1.42</td>
 +
    <td>2.488</td>
 +
    <td>48.666</td>
 
     <td></td>
 
     <td></td>
 
   </tr>
 
   </tr>
Line 2,329: Line 2,409:
 
     <td>48.75</td>
 
     <td>48.75</td>
 
     <td>12.1</td>
 
     <td>12.1</td>
 +
    <td>2.189</td>
 +
    <td>-1.42</td>
 +
    <td>2.488</td>
 +
    <td>48.666</td>
 
     <td>Short run (15 mins); Beam position not stable at beginning of run</td>
 
     <td>Short run (15 mins); Beam position not stable at beginning of run</td>
 
   </tr>
 
   </tr>
Line 2,340: Line 2,424:
 
     <td>48.75</td>
 
     <td>48.75</td>
 
     <td>12.1</td>
 
     <td>12.1</td>
 +
    <td>2.189</td>
 +
    <td>-1.42</td>
 +
    <td>2.488</td>
 +
    <td>48.666</td>
 
     <td>Short run (40 mins)</td>
 
     <td>Short run (40 mins)</td>
 
   </tr>
 
   </tr>
Line 2,355: Line 2,443:
 
     <td>&theta;<SUB>e</SUB> [deg]</td>
 
     <td>&theta;<SUB>e</SUB> [deg]</td>
 
     <td>Q<SUP>2</SUP> [GeV<SUP>2</SUP>]</td>
 
     <td>Q<SUP>2</SUP> [GeV<SUP>2</SUP>]</td>
 +
    <td>Off_x [mm]</td>
 +
    <td>Off_y [mm]</td>
 +
    <td>Off_z [mm]</td>
 +
    <td>&theta;<SUB>survey</SUB> [deg]</td>
 
     <td>Comment</td>
 
     <td>Comment</td>
 
   </tr>
 
   </tr>
Line 2,366: Line 2,458:
 
     <td>55.89</td>
 
     <td>55.89</td>
 
     <td>9.0</td>
 
     <td>9.0</td>
 +
    <td>0.922</td>
 +
    <td>-2.36</td>
 +
    <td>1.362</td>
 +
    <td>55.900</td>
 
     <td></td>
 
     <td></td>
 
   </tr>
 
   </tr>
Line 2,377: Line 2,473:
 
     <td>55.89</td>
 
     <td>55.89</td>
 
     <td>9.0</td>
 
     <td>9.0</td>
 +
    <td>0.922</td>
 +
    <td>-2.36</td>
 +
    <td>1.362</td>
 +
    <td>55.900</td>
 
     <td></td>
 
     <td></td>
 
   </tr>
 
   </tr>
Line 2,388: Line 2,488:
 
     <td>55.89</td>
 
     <td>55.89</td>
 
     <td>9.0</td>
 
     <td>9.0</td>
 +
    <td>0.922</td>
 +
    <td>-2.36</td>
 +
    <td>1.362</td>
 +
    <td>55.900</td>
 
     <td></td>
 
     <td></td>
 
   </tr>
 
   </tr>
Line 2,399: Line 2,503:
 
     <td>55.89</td>
 
     <td>55.89</td>
 
     <td>9.0</td>
 
     <td>9.0</td>
 +
    <td>0.922</td>
 +
    <td>-2.36</td>
 +
    <td>1.362</td>
 +
    <td>55.900</td>
 
     <td>30-min run</td>
 
     <td>30-min run</td>
 
   </tr>
 
   </tr>
Line 2,410: Line 2,518:
 
     <td>55.89</td>
 
     <td>55.89</td>
 
     <td>9.0</td>
 
     <td>9.0</td>
 +
    <td>0.922</td>
 +
    <td>-2.36</td>
 +
    <td>1.362</td>
 +
    <td>55.900</td>
 
     <td>40-min run</td>
 
     <td>40-min run</td>
 
   </tr>
 
   </tr>
Line 2,421: Line 2,533:
 
     <td>55.89</td>
 
     <td>55.89</td>
 
     <td>9.0</td>
 
     <td>9.0</td>
 +
    <td>0.922</td>
 +
    <td>-2.36</td>
 +
    <td>1.362</td>
 +
    <td>55.900</td>
 
     <td>30-min run; target pressure not stable</td>
 
     <td>30-min run; target pressure not stable</td>
 
   </tr>
 
   </tr>
Line 2,432: Line 2,548:
 
     <td>55.89</td>
 
     <td>55.89</td>
 
     <td>9.0</td>
 
     <td>9.0</td>
 +
    <td>0.922</td>
 +
    <td>-2.36</td>
 +
    <td>1.362</td>
 +
    <td>55.900</td>
 
     <td></td>
 
     <td></td>
 
   </tr>
 
   </tr>
Line 2,443: Line 2,563:
 
     <td>55.89</td>
 
     <td>55.89</td>
 
     <td>9.0</td>
 
     <td>9.0</td>
 +
    <td>0.922</td>
 +
    <td>-2.36</td>
 +
    <td>1.362</td>
 +
    <td>55.900</td>
 
     <td>This run was taken during mini-boiling study with LHRS. Beam current changed from 60 to 40 uA in the run</td>
 
     <td>This run was taken during mini-boiling study with LHRS. Beam current changed from 60 to 40 uA in the run</td>
 
   </tr>
 
   </tr>
Line 2,454: Line 2,578:
 
     <td>55.89</td>
 
     <td>55.89</td>
 
     <td>9.0</td>
 
     <td>9.0</td>
 +
    <td>0.922</td>
 +
    <td>-2.36</td>
 +
    <td>1.362</td>
 +
    <td>55.900</td>
 
     <td></td>
 
     <td></td>
 
   </tr>
 
   </tr>
Line 2,465: Line 2,593:
 
     <td>55.89</td>
 
     <td>55.89</td>
 
     <td>9.0</td>
 
     <td>9.0</td>
 +
    <td>0.922</td>
 +
    <td>-2.36</td>
 +
    <td>1.362</td>
 +
    <td>55.900</td>
 
     <td>20-min run</td>
 
     <td>20-min run</td>
 
   </tr>
 
   </tr>
Line 2,482: Line 2,614:
 
     <td>&theta;<SUB>e</SUB> [deg]</td>
 
     <td>&theta;<SUB>e</SUB> [deg]</td>
 
     <td>Q<SUP>2</SUP> [GeV<SUP>2</SUP>]</td>
 
     <td>Q<SUP>2</SUP> [GeV<SUP>2</SUP>]</td>
 +
    <td>Off_x [mm]</td>
 +
    <td>Off_y [mm]</td>
 +
    <td>Off_z [mm]</td>
 +
    <td>&theta;<SUB>survey</SUB> [deg]</td>
 
     <td>Comment</td>
 
     <td>Comment</td>
 
   </tr>
 
   </tr>
Line 2,493: Line 2,629:
 
     <td>48.75</td>
 
     <td>48.75</td>
 
     <td>5.80</td>
 
     <td>5.80</td>
 +
    <td>2.189</td>
 +
    <td>-1.42</td>
 +
    <td>2.488</td>
 +
    <td>48.666</td>
 
     <td></td>
 
     <td></td>
 
   </tr>
 
   </tr>
Line 2,504: Line 2,644:
 
     <td>48.75</td>
 
     <td>48.75</td>
 
     <td>12.1</td>
 
     <td>12.1</td>
 +
    <td>2.189</td>
 +
    <td>-1.42</td>
 +
    <td>2.488</td>
 +
    <td>48.666</td>
 
     <td></td>
 
     <td></td>
 
   </tr>
 
   </tr>
Line 2,515: Line 2,659:
 
     <td>55.89</td>
 
     <td>55.89</td>
 
     <td>9.0</td>
 
     <td>9.0</td>
 +
    <td>0.922</td>
 +
    <td>-2.36</td>
 +
    <td>1.362</td>
 +
    <td>55.900</td>
 
     <td></td>
 
     <td></td>
 
   </tr>
 
   </tr>
Line 2,532: Line 2,680:
 
     <td>&theta;<SUB>e</SUB> [deg]</td>
 
     <td>&theta;<SUB>e</SUB> [deg]</td>
 
     <td>Q<SUP>2</SUP> [GeV<SUP>2</SUP>]</td>
 
     <td>Q<SUP>2</SUP> [GeV<SUP>2</SUP>]</td>
 +
    <td>Off_x [mm]</td>
 +
    <td>Off_y [mm]</td>
 +
    <td>Off_z [mm]</td>
 +
    <td>&theta;<SUB>survey</SUB> [deg]</td>
 
     <td>Comment</td>
 
     <td>Comment</td>
 
   </tr>
 
   </tr>
Line 2,543: Line 2,695:
 
     <td>48.75</td>
 
     <td>48.75</td>
 
     <td>12.1</td>
 
     <td>12.1</td>
 +
    <td>2.189</td>
 +
    <td>-1.42</td>
 +
    <td>2.488</td>
 +
    <td>48.666</td>
 
     <td></td>
 
     <td></td>
 
   </tr>
 
   </tr>
Line 2,554: Line 2,710:
 
     <td>48.75</td>
 
     <td>48.75</td>
 
     <td>12.1</td>
 
     <td>12.1</td>
 +
    <td>2.189</td>
 +
    <td>-1.42</td>
 +
    <td>2.488</td>
 +
    <td>48.666</td>
 
     <td></td>
 
     <td></td>
 
   </tr>
 
   </tr>
Line 2,565: Line 2,725:
 
     <td>48.75</td>
 
     <td>48.75</td>
 
     <td>12.1</td>
 
     <td>12.1</td>
 +
    <td>2.189</td>
 +
    <td>-1.42</td>
 +
    <td>2.488</td>
 +
    <td>48.666</td>
 
     <td></td>
 
     <td></td>
 
   </tr>
 
   </tr>
Line 2,576: Line 2,740:
 
     <td>55.89</td>
 
     <td>55.89</td>
 
     <td>9.0</td>
 
     <td>9.0</td>
 +
    <td>0.922</td>
 +
    <td>-2.36</td>
 +
    <td>1.362</td>
 +
    <td>55.900</td>
 
     <td></td>
 
     <td></td>
 
   </tr>
 
   </tr>
Line 2,587: Line 2,755:
 
     <td>55.89</td>
 
     <td>55.89</td>
 
     <td>9.0</td>
 
     <td>9.0</td>
 +
    <td>0.922</td>
 +
    <td>-2.36</td>
 +
    <td>1.362</td>
 +
    <td>55.900</td>
 
     <td></td>
 
     <td></td>
 
   </tr>
 
   </tr>
Line 2,598: Line 2,770:
 
     <td>55.89</td>
 
     <td>55.89</td>
 
     <td>9.0</td>
 
     <td>9.0</td>
 +
    <td>0.922</td>
 +
    <td>-2.36</td>
 +
    <td>1.362</td>
 +
    <td>55.900</td>
 
     <td></td>
 
     <td></td>
 
   </tr>
 
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Revision as of 00:43, 16 November 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] Off_x [mm] Off_y [mm] Off_z [mm] θsurvey [deg] Comment
13831-13833 Multi-foil carbon Yes Off 2.217 1.0 17.5 0.799 -1.11 -0.252 17.507 ps1,2,3=1
13845 15cm LH2 Yes 2 x 2 mm2 2.217 1.0 17.5 0.799 -1.11 -0.252 17.507 ps1=10, ps2=100, ps3=100, ps8=10000
13893-13899 Multi-foil carbon Yes Off 2.217 1.08 42.0 0.796 -1.98 -0.717 42.001 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] Off_x [mm] Off_y [mm] Off_z [mm] θsurvey [deg] Comment
13834 15cm LH2 Yes 2 x 2 mm2 2.217 2.078 17.5 0.799 -1.11 -0.252 17.507 Delta scan ΔP=-4%; ps1,2,3=1
13835 15cm LH2 Yes 2 x 2 mm2 2.217 2.038 17.5 0.799 -1.11 -0.252 17.507 Delta scan ΔP=-2%; ps1,2,3=1
13836 15cm LH2 Yes 2 x 2 mm2 2.217 1.998 17.5 0.799 -1.11 -0.252 17.507 Delta scan ΔP=0%; ps1,2,3=1
13837 15cm LH2 Yes 2 x 2 mm2 2.217 1.958 17.5 0.799 -1.11 -0.252 17.507 Delta scan ΔP=+2%; ps1,2,3=1
13838 15cm LH2 Yes 2 x 2 mm2 2.217 1.918 17.5 0.799 -1.11 -0.252 17.507 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] Off_x [mm] Off_y [mm] Off_z [mm] θsurvey [deg] Comment
13841 15cm dummy Yes 2 x 2 mm2 2.217 1.918 17.5 0.799 -1.11 -0.252 17.507 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] Off_x [mm] Off_y [mm] Off_z [mm] θsurvey [deg] Comment
13900 Single-foil carbon No Off 2.217 1.366 42.0 0.796 -1.98 -0.717 42.001 ps1,2,3=1, ps7=1, ps8=10000
13901, 13904 15cm dummy No 2 x 2 mm2 2.217 1.366 42.0 0.796 -1.98 -0.717 42.001 ps1,2,3=1, ps7=1, ps8=10000
13903 15cm LH2 No 2 x 2 mm2 2.217 1.366 42.0 0.796 -1.98 -0.717 42.001 ps1,2,3=1, ps7=1, ps8=10000


Run number Target Sieve Raster Ebeam [GeV] P0 [GeV/c] θe [deg] Off_x [mm] Off_y [mm] Off_z [mm] θsurvey [deg] Comment
22788-22789 15cm LH2 Yes 2 x 2 mm2 2.217 1.0 48.75 2.189 -1.42 2.488 48.666 ps1=1, ps2=1, ps3=1, ps8=100
22828-22834 Multi-foil carbon Yes Off 2.217 1.0 48.75 2.189 -1.42 2.488 48.666 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] Off_x [mm] Off_y [mm] Off_z [mm] θsurvey [deg] Comment
22771 15cm LH2 Yes 2 x 2 mm2 2.217 1.277 48.75 2.189 -1.42 2.488 48.666 Delta scan ΔP=-4%; ps1,2,3=1
22772-22773 15cm LH2 Yes 2 x 2 mm2 2.217 1.253 48.75 2.189 -1.42 2.488 48.666 Delta scan ΔP=-2%; ps1,2,3=1
22775 15cm LH2 Yes 2 x 2 mm2 2.217 1.228 48.75 2.189 -1.42 2.488 48.666 Delta scan ΔP=0%; ps1,2,3=1
22776 15cm LH2 Yes 2 x 2 mm2 2.217 1.204 48.75 2.189 -1.42 2.488 48.666 Delta scan ΔP=+2%; ps1,2,3=1
22777-22778 15cm LH2 Yes 2 x 2 mm2 2.217 1.179 48.75 2.189 -1.42 2.488 48.666 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] Off_x [mm] Off_y [mm] Off_z [mm] θsurvey [deg] Comment
22780 15cm dummy No 2 x 2 mm2 2.217 1.228 48.75 2.189 -1.42 2.488 48.666 ps1,2,3=1
22837 15cm dummy No 2 x 2 mm2 2.217 1.204 48.75 2.189 -1.42 2.488 48.666 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] Off_x [mm] Off_y [mm] Off_z [mm] θsurvey [deg] Comment
22782 Multi-foil No No 2.217 1.0 48.75 2.189 -1.42 2.488 48.666 ps1,2,3=1
22783 Single-foil carbon No No 2.217 1.0 48.75 2.189 -1.42 2.488 48.666 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] Off_x [mm] Off_y [mm] Off_z [mm] θsurvey [deg] Comment
22836 15cm LH2 No 2 x 2 mm2 2.217 1.204 48.75 2.189 -1.42 2.488 48.666 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] Off_x [mm] Off_y [mm] Off_z [mm] θsurvey [deg] Comment
13846 15cm LH2 No 2 x 2 mm2 2.217 1.0 17.5 0.799 -1.11 -0.252 17.507 ps1=100,ps2=1000,ps3=1000,ps8=10000
13847 15cm LH2 No 2 x 2 mm2 2.217 1.0 17.5 0.799 -1.11 -0.252 17.507 ps1=120,ps2=1000,ps3=900,ps8=10000
13848 15cm LH2 No 2 x 2 mm2 2.217 1.0 17.5 0.799 -1.11 -0.252 17.507 ps1=150,ps2=1000,ps3=800,ps8=10000
13849 15cm LH2 No 2 x 2 mm2 2.217 1.0 17.5 0.799 -1.11 -0.252 17.507 ps1=200,ps2=1000,ps3=700,ps8=10000
13850 15cm LH2 No 2 x 2 mm2 2.217 1.0 17.5 0.799 -1.11 -0.252 17.507 ps1=300,ps2=1000,ps3=600,ps8=10000
13851 15cm LH2 No 2 x 2 mm2 2.217 1.0 17.5 0.799 -1.11 -0.252 17.507 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] Off_xL [mm] Off_yL [mm] Off_zL [mm] θL,survey [deg] Off_xR [mm] Off_yR [mm] Off_zR [mm] θR,survey [deg] Comment
13853, 22792 3 2 x 2 mm2 2.217 1.0 17.5 1.0 48.75 0.799 -1.11 -0.252 17.507 2.189 -1.42 2.488 48.666 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 0.799 -1.11 -0.252 17.507 2.189 -1.42 2.488 48.666 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 0.799 -1.11 -0.252 17.507 2.189 -1.42 2.488 48.666 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 0.799 -1.11 -0.252 17.507 2.189 -1.42 2.488 48.666 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 0.799 -1.11 -0.252 17.507 2.189 -1.42 2.488 48.666 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 0.799 -1.11 -0.252 17.507 2.189 -1.42 2.488 48.666 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 0.799 -1.11 -0.252 17.507 2.189 -1.42 2.488 48.666 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 0.799 -1.11 -0.252 17.507 2.189 -1.42 2.488 48.666 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] Off_xL [mm] Off_yL [mm] Off_zL [mm] θL,survey [deg] Off_xR [mm] Off_yR [mm] Off_zR [mm] θR,survey [deg] Comment
13862, 22800 3 2 x 2 mm2 2.217 1.0 17.5 1.0 48.75 0.799 -1.11 -0.252 17.507 2.189 -1.42 2.488 48.666 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 0.799 -1.11 -0.252 17.507 2.189 -1.42 2.488 48.666 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 0.799 -1.11 -0.252 17.507 2.189 -1.42 2.488 48.666 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 0.799 -1.11 -0.252 17.507 2.189 -1.42 2.488 48.666 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 0.799 -1.11 -0.252 17.507 2.189 -1.42 2.488 48.666 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 0.799 -1.11 -0.252 17.507 2.189 -1.42 2.488 48.666 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 0.799 -1.11 -0.252 17.507 2.189 -1.42 2.488 48.666 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 0.799 -1.11 -0.252 17.507 2.189 -1.42 2.488 48.666 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 0.799 -1.11 -0.252 17.507 2.189 -1.42 2.488 48.666 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 0.799 -1.11 -0.252 17.507 2.189 -1.42 2.488 48.666 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 0.799 -1.11 -0.252 17.507 2.189 -1.42 2.488 48.666 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 0.799 -1.11 -0.252 17.507 2.189 -1.42 2.488 48.666 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 0.799 -1.11 -0.252 17.507 2.189 -1.42 2.488 48.666 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 0.799 -1.11 -0.252 17.507 2.189 -1.42 2.488 48.666 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] Off_xL [mm] Off_yL [mm] Off_zL [mm] θL,survey [deg] Off_xR [mm] Off_yR [mm] Off_zR [mm] θR,survey [deg] Comment
13874, 22811 40 2 x 2 mm2 2.217 1.0 17.5 1.0 48.75 0.799 -1.11 -0.252 17.507 2.189 -1.42 2.488 48.666 LHRS: ps1,2,3=35, ps8=10000, no sieve; RHRS: ps1,2,3=1, ps8=100, sieve in
  • LH2 current scan II (mini-boiling, hydrogen elastic setting)
Run number Beam current [μA] Raster Ebeam [GeV] P0L [GeV/c] θeL [deg] Off_xL [mm] Off_yL [mm] Off_zL [mm] θL,survey [deg] Comment
14098 60 3 x 2 mm2 6.417 2.672 37.0 0.525 -1.29 -0.396 37.008 LHRS: ps1,2,3,7=1, ps8=10000
14099 50 3 x 2 mm2 6.417 2.672 37.0 0.525 -1.29 -0.396 37.008 LHRS: ps1,2,3,7=1, ps8=10000
14100 40 3 x 2 mm2 6.417 2.672 37.0 0.525 -1.29 -0.396 37.008 LHRS: ps1,2,3,7=1, ps8=10000

Production runs (GMp dedicated period)

  • The production run plan can be found here.


  • LHRS hydrogen elastic runs
Kinematic Run number Target Raster Ebeam [GeV] P0 [GeV/c] θe [deg] Q2 [GeV2] Off_x [mm] Off_y [mm] Off_z [mm] θsurvey [deg] Comment
K4-11 13920 15cm LH2 2 x 2 mm2 8.517 2.531 42.0 11.18 0.796 -1.98 -0.717 42.001 Raster coil tripped in run 13920
13921, 13923-13937 15cm LH2 2 x 2 mm2 8.517 2.531 42.0 11.18 0.796 -1.98 -0.717 42.001 Raster coil fixed before run 13921
13940-13950 15cm LH2 2 x 2 mm2 8.517 2.531 42.0 11.18 0.796 -1.98 -0.717 42.001
13951 15cm LH2 2 x 2 mm2 8.517 2.531 42.0 11.18 0.796 -1.98 -0.717 42.001 Run Started at 65uA, went to 70uA
13952 15cm LH2 2 x 2 mm2 8.517 2.531 42.0 11.18 0.796 -1.98 -0.717 42.001 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 0.796 -1.98 -0.717 42.001
13959-13961,13963-13969 15cm LH2 2 x 2 mm2 8.517 2.531 42.0 11.18 0.796 -1.98 -0.717 42.001
13970 15cm LH2 2 x 2 mm2 8.517 2.531 42.0 11.18 0.796 -1.98 -0.717 42.001 CODA disconnected before end of run
13972 15cm LH2 2 x 2 mm2 8.517 2.531 42.0 11.18 0.796 -1.98 -0.717 42.001 Poor Beam Quality for first part of run
13973-13981 15cm LH2 2 x 2 mm2 8.517 2.531 42.0 11.18 0.796 -1.98 -0.717 42.001


Kinematic Run number Target Raster Ebeam [GeV] P0 [GeV/c] θe [deg] Q2 [GeV2] Off_x [mm] Off_y [mm] Off_z [mm] θsurvey [deg] Comment
K4-10 13982-13983 15cm LH2 2 x 2 mm2 8.517 3.259 34.4 9.81
13984 15cm LH2 2 x 2 mm2 8.517 3.259 34.4 9.81 Raster tripped in this run
13986-13992 15cm LH2 2 x 2 mm2 8.517 3.259 34.4 9.81 Raster fixed before run 13986
13995-13999,14001 15cm LH2 2 x 2 mm2 8.517 3.259 34.4 9.81
14002 15cm LH2 2 x 2 mm2 8.517 3.259 34.4 9.81 No beam in last 10 minutes
14004-14005 15cm LH2 2 x 2 mm2 8.517 3.259 34.4 9.81
14008-14021 15cm LH2 2 x 2 mm2 8.517 3.259 34.4 9.81


Kinematic Run number Target Raster Ebeam [GeV] P0 [GeV/c] θe [deg] Q2 [GeV2] Off_x [mm] Off_y [mm] Off_z [mm] θsurvey [deg] Comment
K4-9 14022-14023, 14025-14030 15cm LH2 2 x 2 mm2 8.517 3.685 30.9 9.0 0.330 -1.00 -0.198 30.909
14034-14035, 14037-14038 15cm LH2 2 x 2 mm2 8.517 3.685 30.9 9.0 0.330 -1.00 -0.198 30.909
14039 15cm LH2 2 x 2 mm2 8.517 3.685 30.9 9.0 0.330 -1.00 -0.198 30.909 CODA crashed during the run and the run was stopped
14043 15cm LH2 2 x 2 mm2 8.517 3.685 30.9 9.0 0.330 -1.00 -0.198 30.909 Short run (15 mins); Beam position not stable at beginning of run
14044 15cm LH2 2 x 2 mm2 8.517 3.685 30.9 9.0 0.330 -1.00 -0.198 30.909 Short run (40 mins)


Kinematic Run number Target Raster Ebeam [GeV] P0 [GeV/c] θe [deg] Q2 [GeV2] Off_x [mm] Off_y [mm] Off_z [mm] θsurvey [deg] Comment
K3-6 14055-14056 15cm LH2 3 x 2 mm2 6.417 3.224 30.9 5.93 0.330 -1.00 -0.198 30.909


Kinematic Run number Target Raster Ebeam [GeV] P0 [GeV/c] θe [deg] Q2 [GeV2] Off_x [mm] Off_y [mm] Off_z [mm] θsurvey [deg] Comment
K3-8 14059-14061 15cm LH2 3 x 2 mm2 6.417 2.145 44.5 8.0
14063-14072 15cm LH2 3 x 2 mm2 6.417 2.145 44.5 8.0
14074 15cm LH2 3 x 2 mm2 6.417 2.145 44.5 8.0


Kinematic Run number Target Raster Ebeam [GeV] P0 [GeV/c] θe [deg] Q2 [GeV2] Off_x [mm] Off_y [mm] Off_z [mm] θsurvey [deg] Comment
K3-4 14090 15cm LH2 3 x 2 mm2 6.417 3.962 24.25 4.5


Kinematic Run number Target Raster Ebeam [GeV] P0 [GeV/c] θe [deg] Q2 [GeV2] Off_x [mm] Off_y [mm] Off_z [mm] θsurvey [deg] Comment
K3-7 14093-14094 15cm LH2 3 x 2 mm2 6.417 2.672 37.0 7.0 0.525 -1.29 -0.396 37.008 Target pressure not stable
14095 15cm LH2 3 x 2 mm2 6.417 2.672 37.0 7.0 0.525 -1.29 -0.396 37.008 CODA crashed during the run
14102-14104 15cm LH2 3 x 2 mm2 6.417 2.672 37.0 7.0 0.525 -1.29 -0.396 37.008
14105 15cm LH2 3 x 2 mm2 6.417 2.672 37.0 7.0 0.525 -1.29 -0.396 37.008 20-min run


  • LHRS carbon runs
Kinematic Run number Target Raster Ebeam [GeV] P0 [GeV/c] θe [deg] Q2 [GeV2] Off_x [mm] Off_y [mm] Off_z [mm] θsurvey [deg] Comment
K4-11 13958 Single Carbon Off 8.517 1.0 42.0 4.38 0.796 -1.98 -0.717 42.001
K4-10 14007 Single Carbon Off 8.517 1.0 34.4 2.98
K4-9 14032 Single Carbon Off 8.517 1.0 30.9 2.42 0.330 -1.00 -0.198 30.909
K3-6 14054 Single Carbon Off 6.417 1.0 30.9 1.82 0.330 -1.00 -0.198 30.909
K3-8 14075 Single Carbon Off 6.417 1.0 44.5 3.3
K3-4 14080-14081 Single Carbon Off 6.417 1.0 24.25 1.13 Prescale factor changed before run 14081
K3-7 14107 Single Carbon Off 6.417 1.0 37.0 2.58 0.525 -1.29 -0.396 37.008


  • LHRS dummy target runs
Kinematic Run number Target Raster Ebeam [GeV] P0 [GeV/c] θe [deg] Q2 [GeV2] Off_x [mm] Off_y [mm] Off_z [mm] θsurvey [deg] Comment
K4-11 13962 15cm dummy 2 x 2 mm2 8.517 2.531 42.0 11.18 0.796 -1.98 -0.717 42.001
K4-10 14006 15cm dummy 2 x 2 mm2 8.517 3.259 34.4 9.81
K4-9 14031 15cm dummy 2 x 2 mm2 8.517 3.685 30.9 9.0 0.330 -1.00 -0.198 30.909
K3-6 14057 15cm dummy 3 x 2 mm2 6.417 3.224 30.9 5.93 0.330 -1.00 -0.198 30.909
K3-8 14058 15cm dummy 3 x 2 mm2 6.417 2.145 44.5 8.0
K3-4 14091 15cm dummy 3 x 2 mm2 6.417 3.962 24.25 4.5
K3-7 14101 15cm dummy 3 x 2 mm2 6.417 2.672 37.0 7.0 0.525 -1.29 -0.396 37.008


  • RHRS hydrogen elastic runs
Kinematic Run number Target Raster Ebeam [GeV] P0 [GeV/c] θe [deg] Q2 [GeV2] Off_x [mm] Off_y [mm] Off_z [mm] θsurvey [deg] Comment
K4-12 22851-22860 15cm LH2 2 x 2 mm2 8.517 2.060 48.75 12.1 2.189 -1.42 2.488 48.666 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 2.189 -1.42 2.488 48.666 Run Started at 65uA, went to 70uA
22862 15cm LH2 2 x 2 mm2 8.517 2.060 48.75 12.1 2.189 -1.42 2.488 48.666 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 2.189 -1.42 2.488 48.666
22869 15cm LH2 2 x 2 mm2 8.517 2.060 48.75 12.1 2.189 -1.42 2.488 48.666
22871-22879 15cm LH2 2 x 2 mm2 8.517 2.060 48.75 12.1 2.189 -1.42 2.488 48.666
22880 15cm LH2 2 x 2 mm2 8.517 2.060 48.75 12.1 2.189 -1.42 2.488 48.666 Poor Beam Quality for first part of run
22881-22889, 22891-22892 15cm LH2 2 x 2 mm2 8.517 2.060 48.75 12.1 2.189 -1.42 2.488 48.666
22893 15cm LH2 2 x 2 mm2 8.517 2.060 48.75 12.1 2.189 -1.42 2.488 48.666 Raster tripped in this run
22894-22900 15cm LH2 2 x 2 mm2 8.517 2.060 48.75 12.1 2.189 -1.42 2.488 48.666 Raster fixed before run 22894
22903-22907, 22909 15cm LH2 2 x 2 mm2 8.517 2.060 48.75 12.1 2.189 -1.42 2.488 48.666
22910 15cm LH2 2 x 2 mm2 8.517 2.060 48.75 12.1 2.189 -1.42 2.488 48.666 No beam in last 10 minutes
22912-22913, 22916-22917 15cm LH2 2 x 2 mm2 8.517 2.060 48.75 12.1 2.189 -1.42 2.488 48.666
22918 15cm LH2 2 x 2 mm2 8.517 2.060 48.75 12.1 2.189 -1.42 2.488 48.666 Event recorder died so run was stopped early
22919-22931 15cm LH2 2 x 2 mm2 8.517 2.060 48.75 12.1 2.189 -1.42 2.488 48.666
22933, 22935-22939 15cm LH2 2 x 2 mm2 8.517 2.060 48.75 12.1 2.189 -1.42 2.488 48.666
22943-22944 15cm LH2 2 x 2 mm2 8.517 2.060 48.75 12.1 2.189 -1.42 2.488 48.666
22945 15cm LH2 2 x 2 mm2 8.517 2.060 48.75 12.1 2.189 -1.42 2.488 48.666 Short run (20 mins)
22946-22948 15cm LH2 2 x 2 mm2 8.517 2.060 48.75 12.1 2.189 -1.42 2.488 48.666
22951 15cm LH2 2 x 2 mm2 8.517 2.060 48.75 12.1 2.189 -1.42 2.488 48.666 Short run (15 mins); Beam position not stable at beginning of run
22952 15cm LH2 2 x 2 mm2 8.517 2.060 48.75 12.1 2.189 -1.42 2.488 48.666 Short run (40 mins)


Kinematic Run number Target Raster Ebeam [GeV] P0 [GeV/c] θe [deg] Q2 [GeV2] Off_x [mm] Off_y [mm] Off_z [mm] θsurvey [deg] Comment
K3-9 22955-22956 15cm LH2 3 x 2 mm2 6.417 1.587 55.89 9.0 0.922 -2.36 1.362 55.900
22959-22971 15cm LH2 3 x 2 mm2 6.417 1.587 55.89 9.0 0.922 -2.36 1.362 55.900
22973 15cm LH2 3 x 2 mm2 6.417 1.587 55.89 9.0 0.922 -2.36 1.362 55.900
22985 15cm LH2 3 x 2 mm2 6.417 1.587 55.89 9.0 0.922 -2.36 1.362 55.900 30-min run
22987 15cm LH2 3 x 2 mm2 6.417 1.587 55.89 9.0 0.922 -2.36 1.362 55.900 40-min run
22988-22989 15cm LH2 3 x 2 mm2 6.417 1.587 55.89 9.0 0.922 -2.36 1.362 55.900 30-min run; target pressure not stable
22990 15cm LH2 3 x 2 mm2 6.417 1.587 55.89 9.0 0.922 -2.36 1.362 55.900
22991 15cm LH2 3 x 2 mm2 6.417 1.587 55.89 9.0 0.922 -2.36 1.362 55.900 This run was taken during mini-boiling study with LHRS. Beam current changed from 60 to 40 uA in the run
22993-22995 15cm LH2 3 x 2 mm2 6.417 1.587 55.89 9.0 0.922 -2.36 1.362 55.900
22996 15cm LH2 3 x 2 mm2 6.417 1.587 55.89 9.0 0.922 -2.36 1.362 55.900 20-min run


  • RHRS carbon runs
Kinematic Run number Target Raster Ebeam [GeV] P0 [GeV/c] θe [deg] Q2 [GeV2] Off_x [mm] Off_y [mm] Off_z [mm] θsurvey [deg] Comment
K4-12 22868 Single Carbon Off 8.517 1.0 48.75 5.80 2.189 -1.42 2.488 48.666
K4-12 22915, 22941 Single Carbon Off 8.517 2.060 48.75 12.1 2.189 -1.42 2.488 48.666
K3-9 22954, 22975, 22978,22979,22997 Single Carbon Off 6.417 1.587 55.89 9.0 0.922 -2.36 1.362 55.900


  • RHRS dummy target runs
Kinematic Run number Target Raster Ebeam [GeV] P0 [GeV/c] θe [deg] Q2 [GeV2] Off_x [mm] Off_y [mm] Off_z [mm] θsurvey [deg] Comment
K4-12 22870 15cm dummy 2 x 2 mm2 8.517 2.060 48.75 12.1 2.189 -1.42 2.488 48.666
K4-12 22914 15cm dummy 2 x 2 mm2 8.517 2.060 48.75 12.1 2.189 -1.42 2.488 48.666
K4-12 22940 15cm dummy 2 x 2 mm2 8.517 2.060 48.75 12.1 2.189 -1.42 2.488 48.666
K3-9 22957 15cm dummy 3 x 2 mm2 6.417 1.587 55.89 9.0 0.922 -2.36 1.362 55.900
K3-9 22958 15cm dummy 3 x 2 mm2 6.417 1.587 55.89 9.0 0.922 -2.36 1.362 55.900
K3-9 22982, 22986, 22992 15cm dummy 3 x 2 mm2 6.417 1.587 55.89 9.0 0.922 -2.36 1.362 55.900

GMp parasitic production run (RHRS only, low beam current)

  • The run plan can be found here.


  • RHRS hydrogen elastic runs
Run number Target Raster Ebeam [GeV] P0 [GeV/c] θe [deg] Q2 [GeV2] Comment
23005-23006 15cm LH2 3 x 2 mm2 8.517 1.804 53.47 12.56
23007 15cm LH2 3 x 2 mm2 8.517 1.804 53.47 12.56 CODA crashed during the run
23008-23015, 23018-23038 15cm LH2 3 x 2 mm2 8.517 1.804 53.47 12.56
23041, 23043-23058, 23060 15cm LH2 3 x 2 mm2 8.517 1.804 53.47 12.56
23063 15cm LH2 3 x 2 mm2 8.517 1.804 53.47 12.56 Beam position drifted in the first 20 mins of run
23064-23068 15cm LH2 3 x 2 mm2 8.517 1.804 53.47 12.56
23072-23075, 23077 15cm LH2 3 x 2 mm2 8.517 1.804 53.47 12.56 Run 23075 ended when accelerator PS died
23082-23085, 23087-23096, 23099 15cm LH2 3 x 2 mm2 8.517 1.804 53.47 12.56
23108-23120, 23122 15cm LH2 3 x 2 mm2 8.517 1.804 53.47 12.56
23134-23146, 23148-23156, 23158-23165 15cm LH2 3 x 2 mm2 8.517 1.804 53.47 12.56
23167-23177, 23180-23185 15cm LH2 3 x 2 mm2 8.517 1.804 53.47 12.56
23187-23195, 23198-23201 15cm LH2 3 x 2 mm2 8.517 1.804 53.47 12.56


  • RHRS carbon runs
Run number Target Raster Ebeam [GeV] P0 [GeV/c] θe [deg] Q2 [GeV2] Comment
23062 Multi-foil Off 8.517 0.85 53.47 5.86
23186 Multi-foil Carbon Off 8.517 1.804 53.47 12.56


  • RHRS dummy target runs
Run number Target Raster Ebeam [GeV] P0 [GeV/c] θe [deg] Q2 [GeV2] Comment
23070 15cm dummy 3 x 2 mm2 8.517 1.804 53.47 12.56


ARC energy measurements

1st Pass Hall A ARC Bdl Measurements 
Dispersive Optics Hall A ARC Energy Measurement 
ARC Mapper Checkout ( 1st pass )
Hall A ARC Bdl with Quads Off
Hall A's energy measurement harp scans 
Bdl measurement at 1 pass, quads off, final tune
Hall A's energy measurement harp scans
4th pass non-dispersive energy measurement 8.52 GeV
Beam Energy ARC vs. Hall A p
8.8 GeV Acromatic Energy Measurement
Dispersive 4th Pass Energy Measurement Hall A
Spin Precession to Hall A @ 4th pass and 8516 MeV
Energy Measurement Started
ARC Beam Energy 6427 MeV
Path Through The Hall A ARC and Energy 6427(6) MeV)
Acromatic Beam Energy Measurement | 4th Pass | 8523(8) MeV
Energy of central ray (MeV) Dispersive mode Halog entry
2222(1) Yes https://logbooks.jlab.org/entry/3429708
8518 Yes https://logbooks.jlab.org/entry/3431526
6427(3) Yes https://logbooks.jlab.org/entry/3432968
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