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>]
 +
* E0 = 2.2 GeV
 +
* HRS-L:  Ep = 2.00 GeV/c, Theta = 17 Degrees
 +
* HRS-R:  Ep = 1.78 GeV/c, Theta = 26 Degrees
 +
*Raster On* (2.5mmx2mm MCC = 2mmx2mm on target)
  
−
* 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.
+
* <b>Empty-Cell Target</b>
 +
<table border="1"  style="width:80%">
 +
  <tr>
 +
    <td>Run number</td>
 +
    <td>Target</td>
 +
    <td>Beam Current</td>
 +
    <td>Comment</td>
 +
  </tr>
 +
  <tr>
 +
    <td>891 </td>
 +
    <td>Empty Cell</td>
 +
    <td>22.5uA</td>
 +
    <td> 100K Events after cut |VZ|<7.5cm </td>
 +
  </tr>
 +
  <tr>
 +
    <td>924 </td>
 +
    <td>Empty Cell</td>
 +
    <td>5uA</td>
 +
    <td> 100K Events after cut |VZ|<7.5cm </td>
 +
  </tr>
 +
 +
</table>
  
−
* <b>H3 Target</b>
+
* For the rest of the run, take 100K Events for each run after cutting |VZ|<7.5cm. (Will update this number with a correction factor from the Empty-Target Cell run)
 +
 
 +
* <b>H1 Target</b>
 
<table border="1"  style="width:80%">
 
<table border="1"  style="width:80%">
 
   <tr>
 
   <tr>
Line 9: Line 36:
 
     <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>
 
   <tr>
 
   <tr>
 +
    <td> 895-894</td>
 +
    <td>H1</td>
 +
    <td>22.5uA</td>
 +
    <td> </td>
 +
  </tr>
 +
<tr>
 +
    <td>896 </td>
 +
    <td>H1</td>
 +
    <td>15uA</td>
 +
    <td> </td>
 +
  </tr>
 +
  <tr>
 +
    <td>897</td>
 +
    <td>H1</td>
 +
    <td>10uA</td>
 +
    <td> </td>
 +
  </tr>
 +
  <tr>
 +
    <td>899</td>
 +
    <td>H1</td>
 +
    <td>5uA</td>
 +
    <td> </td>
 +
  </tr>
 +
<tr>
 +
    <td>901</td>
 +
    <td>H1</td>
 +
    <td>2.5uA</td>
 
     <td> </td>
 
     <td> </td>
−
     <td>H3</td>
+
  </tr>
 +
</table>
 +
 
 +
* <b>D2 Target</b>
 +
<table border="1"  style="width:80%">
 +
  <tr>
 +
    <td>Run number</td>
 +
    <td>Target</td>
 +
    <td>Beam Current</td>
 +
    <td>Comment</td>
 +
  </tr>
 +
  <tr>
 +
    <td>923</td>
 +
     <td>D2</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>
 
<tr>
 
<tr>
 +
    <td>921</td>
 +
    <td>D2</td>
 +
    <td>15uA</td>
 
     <td> </td>
 
     <td> </td>
−
     <td>H3</td>
+
  </tr>
−
     <td>20uA</td>
+
  <tr>
−
     <td>2x2 cm</td>
+
    <td>920</td>
−
     <td>4.3 </td>
+
    <td>D2</td>
−
     <td>2.6 </td>
+
     <td>10uA</td>
−
     <td>17 </td>
+
     <td> </td>
 +
  </tr>
 +
  <tr>
 +
     <td>918</td>
 +
     <td>D2</td>
 +
    <td>5uA</td>
 +
    <td> </td>
 +
  </tr>
 +
<tr>
 +
    <td>919</td>
 +
     <td>D2</td>
 +
     <td>2.5uA</td>
 
     <td> </td>
 
     <td> </td>
 +
  </tr>
 +
 +
</table>
 +
 +
 +
* <b>H3 Target</b>
 +
<table border="1"  style="width:80%">
 +
  <tr>
 +
    <td>Run number</td>
 +
    <td>Target</td>
 +
    <td>Beam Current</td>
 +
    <td>Comment</td>
 
   </tr>
 
   </tr>
 
   <tr>
 
   <tr>
 +
    <td> 911</td>
 +
    <td>H3</td>
 +
    <td>22.5uA</td>
 
     <td> </td>
 
     <td> </td>
 +
  </tr>
 +
<tr>
 +
    <td> 910</td>
 
     <td>H3</td>
 
     <td>H3</td>
−
     <td>12uA</td>
+
     <td>15uA</td>
−
    <td>2x2 cm</td>
 
−
    <td>4.3 </td>
 
−
    <td>2.6 </td>
 
−
    <td>17 </td>
 
 
     <td> </td>
 
     <td> </td>
 
   </tr>
 
   </tr>
 
   <tr>
 
   <tr>
 +
    <td> 908,909</td>
 +
    <td>H3</td>
 +
    <td>10uA</td>
 
     <td> </td>
 
     <td> </td>
 +
  </tr>
 +
  <tr>
 +
    <td>905</td>
 
     <td>H3</td>
 
     <td>H3</td>
−
     <td>7uA</td>
+
     <td>5uA</td>
−
    <td>2x2 cm</td>
 
−
    <td>4.3 </td>
 
−
    <td>2.6 </td>
 
−
    <td>17 </td>
 
 
     <td> </td>
 
     <td> </td>
 
   </tr>
 
   </tr>
 
<tr>
 
<tr>
 +
    <td> 902</td>
 +
    <td>H3</td>
 +
    <td>2.5uA</td>
 
     <td> </td>
 
     <td> </td>
 +
  </tr>
 +
<tr>
 +
    <td> 907</td>
 
     <td>H3</td>
 
     <td>H3</td>
−
     <td>3uA</td>
+
     <td>1uA</td>
−
    <td>2x2 cm</td>
 
−
    <td>4.3 </td>
 
−
    <td>2.6 </td>
 
−
    <td>17 </td>
 
 
     <td> </td>
 
     <td> </td>
 
   </tr>
 
   </tr>
 +
 
</table>
 
</table>
  
Line 73: Line 165:
 
     <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>
 
   <tr>
 
   <tr>
−
     <td> </td>
+
     <td> 912</td>
 
     <td>He3</td>
 
     <td>He3</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>
−
<tr>
+
<tr>
−
     <td> </td>
+
     <td> 913</td>
 
     <td>He3</td>
 
     <td>He3</td>
−
     <td>20uA</td>
+
     <td>15uA</td>
−
    <td>2x2 mm</td>
 
−
    <td>4.3 </td>
 
−
    <td>2.6 </td>
 
−
    <td>17 </td>
 
 
     <td> </td>
 
     <td> </td>
 
   </tr>
 
   </tr>
 
   <tr>
 
   <tr>
−
     <td> </td>
+
     <td> 914</td>
 
     <td>He3</td>
 
     <td>He3</td>
−
     <td>12uA</td>
+
     <td>10uA</td>
−
    <td>2x2 mm</td>
 
−
    <td>4.3 </td>
 
−
    <td>2.6 </td>
 
−
    <td>17 </td>
 
 
     <td> </td>
 
     <td> </td>
 
   </tr>
 
   </tr>
 
   <tr>
 
   <tr>
−
     <td> </td>
+
     <td> 915</td>
 
     <td>He3</td>
 
     <td>He3</td>
−
     <td>7uA</td>
+
     <td>5uA</td>
−
    <td>2x2 cm</td>
 
−
    <td>4.3 </td>
 
−
    <td>2.6 </td>
 
−
    <td>17 </td>
 
 
     <td> </td>
 
     <td> </td>
 
   </tr>
 
   </tr>
−
<tr>
+
<tr>
−
     <td> </td>
+
     <td> 916</td>
 
     <td>He3</td>
 
     <td>He3</td>
−
    <td>3uA</td>
+
     <td>2.5uA</td>
−
    <td>2x2 cm</td>
 
−
    <td>4.3 </td>
 
−
     <td>2.6 </td>
 
−
    <td>17 </td>
 
 
     <td> </td>
 
     <td> </td>
 
   </tr>
 
   </tr>
 +
 
</table>
 
</table>
−
 
+
* <b>C12 Target</b>
−
* <b>Empty-Target-Cell for checking the aluminium contamination from end-cups in the gas</b>
 
 
<table border="1"  style="width:80%">
 
<table border="1"  style="width:80%">
 
   <tr>
 
   <tr>
Line 137: Line 205:
 
     <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>
 +
    <td> </td>
 +
    <td>C12 </td>
 +
    <td>22.5uA</td>
 +
    <td> </td>
 +
  </tr>
 +
<tr>
 +
    <td> </td>
 +
    <td>C12 </td>
 +
    <td>15uA</td>
 +
    <td> </td>
 +
  </tr>
 +
  <tr>
 +
    <td> </td>
 +
    <td>C12 </td>
 +
    <td>10uA</td>
 +
    <td> </td>
 +
  </tr>
 +
  <tr>
 +
    <td> 925</td>
 +
    <td>C12 </td>
 +
    <td>5uA</td>
 +
    <td> </td>
 
   </tr>
 
   </tr>
  
−
<tr>
+
<tr>
 +
    <td> </td>
 +
    <td>C12 </td>
 +
    <td>2.5uA</td>
 
     <td> </td>
 
     <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>
 
   </tr>
 
</table>
 
</table>
  
−
 
+
* <b>Dummy</b>
−
* <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%">
 
<table border="1"  style="width:80%">
 
   <tr>
 
   <tr>
Line 163: Line 246:
 
     <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>
 
   <tr>
 
   <tr>
−
     <td> </td>
+
     <td>875 </td>
−
     <td>Carbon-Foil</td>
+
     <td>Dummy</td>
−
     <td>22.5uA</td>
+
     <td>24uA</td>
−
    <td>2x2 mm</td>
 
−
    <td>4.3 </td>
 
−
    <td>2.6 </td>
 
−
    <td>17 </td>
 
 
     <td> </td>
 
     <td> </td>
 
   </tr>
 
   </tr>
−
<tr>
+
<tr>
−
     <td> </td>
+
     <td> 876</td>
−
     <td>Carbon-Foil</td>
+
     <td>Dummy </td>
−
     <td>20uA</td>
+
     <td>15uA</td>
−
    <td>2x2 mm</td>
 
−
    <td>4.3 </td>
 
−
    <td>2.6 </td>
 
−
    <td>17 </td>
 
 
     <td> </td>
 
     <td> </td>
 
   </tr>
 
   </tr>
 
   <tr>
 
   <tr>
−
     <td> </td>
+
     <td> 877</td>
−
     <td>Carbon-Foil</td>
+
     <td>Dummy </td>
−
     <td>12uA</td>
+
     <td>10uA</td>
−
    <td>2x2 mm</td>
 
−
    <td>4.3 </td>
 
−
    <td>2.6 </td>
 
−
    <td>17 </td>
 
 
     <td> </td>
 
     <td> </td>
 
   </tr>
 
   </tr>
 
   <tr>
 
   <tr>
−
     <td> </td>
+
     <td> 879, 878</td>
−
     <td>Carbon-Foil</td>
+
     <td>Dummy </td>
−
     <td>7uA</td>
+
     <td>5uA</td>
−
    <td>2x2 mm</td>
 
−
    <td>4.3 </td>
 
−
    <td>2.6 </td>
 
−
    <td>17 </td>
 
 
     <td> </td>
 
     <td> </td>
 
   </tr>
 
   </tr>
 +
 
<tr>
 
<tr>
−
     <td> </td>
+
     <td> 881 </td>
−
     <td>Carbon-Foil</td>
+
     <td> Dummy </td>
−
    <td>3uA</td>
+
     <td>2.5uA</td>
−
    <td>2x2 mm</td>
 
−
    <td>4.3 </td>
 
−
     <td>2.6 </td>
 
−
    <td>17 </td>
 
 
     <td> </td>
 
     <td> </td>
 
   </tr>
 
   </tr>
 
</table>
 
</table>

Latest revision as of 16:42, 21 December 2017

Back to Installation and Commissioning

  • E0 = 2.2 GeV
  • HRS-L: Ep = 2.00 GeV/c, Theta = 17 Degrees
  • HRS-R: Ep = 1.78 GeV/c, Theta = 26 Degrees
  • Raster On* (2.5mmx2mm MCC = 2mmx2mm on target)
  • Empty-Cell Target
Run number Target Beam Current Comment
891 Empty Cell 22.5uA 100K Events after cut |VZ|<7.5cm
924 Empty Cell 5uA 100K Events after cut |VZ|<7.5cm
  • For the rest of the run, take 100K Events for each run after cutting |VZ|<7.5cm. (Will update this number with a correction factor from the Empty-Target Cell run)
  • H1 Target
Run number Target Beam Current Comment
895-894 H1 22.5uA
896 H1 15uA
897 H1 10uA
899 H1 5uA
901 H1 2.5uA
  • D2 Target
Run number Target Beam Current Comment
923 D2 22.5uA
921 D2 15uA
920 D2 10uA
918 D2 5uA
919 D2 2.5uA


  • H3 Target
Run number Target Beam Current Comment
911 H3 22.5uA
910 H3 15uA
908,909 H3 10uA
905 H3 5uA
902 H3 2.5uA
907 H3 1uA
  • He3 Target
Run number Target Beam Current Comment
912 He3 22.5uA
913 He3 15uA
914 He3 10uA
915 He3 5uA
916 He3 2.5uA
  • C12 Target
Run number Target Beam Current Comment
C12 22.5uA
C12 15uA
C12 10uA
925 C12 5uA
C12 2.5uA
  • Dummy
Run number Target Beam Current Comment
875 Dummy 24uA
876 Dummy 15uA
877 Dummy 10uA
879, 878 Dummy 5uA
881 Dummy 2.5uA
Retrieved from "https://wiki.jlab.org/tegwiki/index.php?title=Target_Boiling_Study&oldid=1611"