Difference between revisions of "September 20, 2011"

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|<span style="color:red">'''2504'''</span>||Down<br> 86A||In ||Open ||In ||Yes ||In||DU cylinder  
 
|<span style="color:red">'''2504'''</span>||Down<br> 86A||In ||Open ||In ||Yes ||In||DU cylinder  
 
|align="left"|Test radiator in/out.
 
|align="left"|Test radiator in/out.
121258 pulses<br>
+
R(upstream) = 0.0137 e+/pulse<br>
R(upstream) = 0 e+/pulse<br>
+
R(downstream) = 0.0319 e+/pulse
R(downstream) = 0.00091 e+/pulse
 
 
|-
 
|-
 
|<span style="color:red">'''2505'''</span>||Down<br> 86A||In ||Open ||In ||Yes ||Out||DU cylinder  
 
|<span style="color:red">'''2505'''</span>||Down<br> 86A||In ||Open ||In ||Yes ||Out||DU cylinder  

Revision as of 14:30, 20 September 2011

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summary what was been done

  • current 140 mA
  • pulse width 2 us
  • rep rate 180 Hz
  • E = 25 MeV


Run # Beam Dump magnet Collimator add coll Hardener 1" Al Radiator 10 um Al Target Comments
2502 Up
90A
In Open In Yes In DU cylinder Test radiator in/out.

120664 pulses
R(upstream) = 0.0012 e+/pulse -> ×180×60 = 12.9 n/min
R(downstream) = 0.0272 e+/pulse

2503 Up
90A
In Open In Yes Out DU cylinder Test radiator in/out.

121258 pulses
R(upstream) = 0 e+/pulse
R(downstream) = 0.00091 e+/pulse
About 97% of photons are coming from the radiator according to PS. Very Good

2504 Down
86A
In Open In Yes In DU cylinder Test radiator in/out.

R(upstream) = 0.0137 e+/pulse
R(downstream) = 0.0319 e+/pulse

2505 Down
86A
In Open In Yes Out DU cylinder Test radiator in/out.

121258 pulses
R(upstream) = 0 e+/pulse
R(downstream) = 0.00091 e+/pulse


Production runs

Run # Beam Dump magnet Collimator add coll Hardener 1" Al Radiator 10 um Al Target Comments
2494 Up
90A
In Open In Yes In DU cylinder Long production run

pulses
R(beam down) = n/pulse -> ×180×60 = 6.8 n/min
R(upstream) = = e+/pulse


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