Difference between revisions of "Target Boiling Study"

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[https://wiki.jlab.org/tegwiki/index.php/Installation_and_Commissioning <b>Back to Installation and Commissioning</b>]
 
[https://wiki.jlab.org/tegwiki/index.php/Installation_and_Commissioning <b>Back to Installation and Commissioning</b>]
  
* Note: Boiling Study is mainly carried out on HRS-L at higher rate while the HRS-R will have less rate because of the higher P0 value. At the moment the dipole of the HRS-R is not working, therefore, only the left arm will be used for the boiling study.
+
* E0 = 2.2 GeV, Ep = 2.13 GeV/c, Theta = 17 Degrees, *Raster On* (2mmx2mm)
  
 
* <b>H3 Target</b>
 
* <b>H3 Target</b>
Line 9: Line 9:
 
     <td>Target</td>
 
     <td>Target</td>
 
     <td>Beam Current</td>
 
     <td>Beam Current</td>
    <td>Raster Size </td>
 
    <td>E<SUB>beam</SUB> [GeV]</td>
 
    <td>P<SUB>0</SUB> [GeV/c]</td>
 
    <td>&theta;<SUB>e</SUB> [deg]</td>
 
 
     <td>Comment</td>
 
     <td>Comment</td>
 
   </tr>
 
   </tr>
Line 19: Line 15:
 
     <td>H3</td>
 
     <td>H3</td>
 
     <td>22.5uA</td>
 
     <td>22.5uA</td>
    <td>2x2 cm</td>
 
    <td>4.3 </td>
 
    <td>2.6 </td>
 
    <td>17 </td>
 
 
     <td> </td>
 
     <td> </td>
 
   </tr>
 
   </tr>
Line 28: Line 20:
 
     <td> </td>
 
     <td> </td>
 
     <td>H3</td>
 
     <td>H3</td>
     <td>20uA</td>
+
     <td>16uA</td>
    <td>2x2 cm</td>
 
    <td>4.3 </td>
 
    <td>2.6 </td>
 
    <td>17 </td>
 
 
     <td> </td>
 
     <td> </td>
 
   </tr>
 
   </tr>
Line 38: Line 26:
 
     <td> </td>
 
     <td> </td>
 
     <td>H3</td>
 
     <td>H3</td>
     <td>12uA</td>
+
     <td>10uA</td>
    <td>2x2 cm</td>
 
    <td>4.3 </td>
 
    <td>2.6 </td>
 
    <td>17 </td>
 
 
     <td> </td>
 
     <td> </td>
 
   </tr>
 
   </tr>
Line 49: Line 33:
 
     <td>H3</td>
 
     <td>H3</td>
 
     <td>7uA</td>
 
     <td>7uA</td>
    <td>2x2 cm</td>
 
    <td>4.3 </td>
 
    <td>2.6 </td>
 
    <td>17 </td>
 
 
     <td> </td>
 
     <td> </td>
 
   </tr>
 
   </tr>
Line 58: Line 38:
 
     <td> </td>
 
     <td> </td>
 
     <td>H3</td>
 
     <td>H3</td>
     <td>3uA</td>
+
     <td>4uA</td>
    <td>2x2 cm</td>
 
    <td>4.3 </td>
 
    <td>2.6 </td>
 
    <td>17 </td>
 
    <td> </td>
 
  </tr>
 
</table>
 
 
 
* <b>He3 Target</b>
 
<table border="1"  style="width:80%">
 
  <tr>
 
    <td>Run number</td>
 
    <td>Target</td>
 
    <td>Beam Current</td>
 
    <td>Raster Size </td>
 
    <td>E<SUB>beam</SUB> [GeV]</td>
 
    <td>P<SUB>0</SUB> [GeV/c]</td>
 
    <td>&theta;<SUB>e</SUB> [deg]</td>
 
    <td>Comment</td>
 
  </tr>
 
  <tr>
 
    <td> </td>
 
    <td>He3</td>
 
    <td>22.5uA</td>
 
    <td>2x2 cm</td>
 
    <td>4.3 </td>
 
    <td>2.6 </td>
 
    <td>17 </td>
 
    <td> </td>
 
  </tr>
 
<tr>
 
    <td> </td>
 
    <td>He3</td>
 
    <td>20uA</td>
 
    <td>2x2 mm</td>
 
    <td>4.3 </td>
 
    <td>2.6 </td>
 
    <td>17 </td>
 
    <td> </td>
 
  </tr>
 
  <tr>
 
    <td> </td>
 
    <td>He3</td>
 
    <td>12uA</td>
 
    <td>2x2 mm</td>
 
    <td>4.3 </td>
 
    <td>2.6 </td>
 
    <td>17 </td>
 
    <td> </td>
 
  </tr>
 
  <tr>
 
    <td> </td>
 
    <td>He3</td>
 
    <td>7uA</td>
 
    <td>2x2 cm</td>
 
    <td>4.3 </td>
 
    <td>2.6 </td>
 
    <td>17 </td>
 
    <td> </td>
 
  </tr>
 
<tr>
 
    <td> </td>
 
    <td>He3</td>
 
    <td>3uA</td>
 
    <td>2x2 cm</td>
 
    <td>4.3 </td>
 
    <td>2.6 </td>
 
    <td>17 </td>
 
    <td> </td>
 
  </tr>
 
</table>
 
 
 
* <b>Empty-Target-Cell for checking the aluminium contamination from end-cups in the gas</b>
 
<table border="1"  style="width:80%">
 
  <tr>
 
    <td>Run number</td>
 
    <td>Target</td>
 
    <td>Beam Current</td>
 
    <td>Raster Size </td>
 
    <td>E<SUB>beam</SUB> [GeV]</td>
 
    <td>P<SUB>0</SUB> [GeV/c]</td>
 
    <td>&theta;<SUB>e</SUB> [deg]</td>
 
    <td>Comment</td>
 
  </tr>
 
 
 
<tr>
 
    <td> </td>
 
    <td>Empty-Cell</td>
 
    <td>22.5uA</td>
 
    <td>2x2 mm</td>
 
    <td>4.3 </td>
 
    <td>2.6 </td>
 
    <td>17 </td>
 
    <td>Need to have close statistics compared with H3/He3 in the central region after cutting out the end-cups </td>
 
  </tr>
 
</table>
 
 
 
 
 
* <b>C12 target for a normalization check for beam-current dependent rate check (Share the data set with BCM calibration date.</b>
 
<table border="1"  style="width:80%">
 
  <tr>
 
    <td>Run number</td>
 
    <td>Target</td>
 
    <td>Beam Current</td>
 
    <td>Raster Size </td>
 
    <td>E<SUB>beam</SUB> [GeV]</td>
 
    <td>P<SUB>0</SUB> [GeV/c]</td>
 
    <td>&theta;<SUB>e</SUB> [deg]</td>
 
    <td>Comment</td>
 
  </tr>
 
  <tr>
 
    <td> </td>
 
    <td>Carbon-Foil</td>
 
    <td>22.5uA</td>
 
    <td>2x2 mm</td>
 
    <td>4.3 </td>
 
    <td>2.6 </td>
 
    <td>17 </td>
 
    <td> </td>
 
  </tr>
 
<tr>
 
    <td> </td>
 
    <td>Carbon-Foil</td>
 
    <td>20uA</td>
 
    <td>2x2 mm</td>
 
    <td>4.3 </td>
 
    <td>2.6 </td>
 
    <td>17 </td>
 
    <td> </td>
 
  </tr>
 
  <tr>
 
    <td> </td>
 
    <td>Carbon-Foil</td>
 
    <td>12uA</td>
 
    <td>2x2 mm</td>
 
    <td>4.3 </td>
 
    <td>2.6 </td>
 
    <td>17 </td>
 
    <td> </td>
 
  </tr>
 
  <tr>
 
    <td> </td>
 
    <td>Carbon-Foil</td>
 
    <td>7uA</td>
 
    <td>2x2 mm</td>
 
    <td>4.3 </td>
 
    <td>2.6 </td>
 
    <td>17 </td>
 
    <td> </td>
 
  </tr>
 
<tr>
 
    <td> </td>
 
    <td>Carbon-Foil</td>
 
    <td>3uA</td>
 
    <td>2x2 mm</td>
 
    <td>4.3 </td>
 
    <td>2.6 </td>
 
    <td>17 </td>
 
 
     <td> </td>
 
     <td> </td>
 
   </tr>
 
   </tr>
 
</table>
 
</table>

Revision as of 16:57, 14 December 2017

Back to Installation and Commissioning

  • E0 = 2.2 GeV, Ep = 2.13 GeV/c, Theta = 17 Degrees, *Raster On* (2mmx2mm)
  • H3 Target
Run number Target Beam Current Comment
H3 22.5uA
H3 16uA
H3 10uA
H3 7uA
H3 4uA