Difference between revisions of "September 20, 2011"

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|<span style="color:blue">'''2507'''</span>||Down<br> 86A||In ||Open ||In ||Yes ||In||DU cylinder  
 
|<span style="color:blue">'''2507'''</span>||Down<br> 86A||In ||Open ||In ||Yes ||In||DU cylinder  
 
|align="left"|<span style="color:blue">'''Long production run: 973769 pulses'''</span>
 
|align="left"|<span style="color:blue">'''Long production run: 973769 pulses'''</span>
R(bottom) = 1264/973769 = 0.001298 n/pulse  <span style="color:blue"> -> ×180×60 = '''14.0 n/min'''</span><br>
+
R(bottom) = 0.001298 n/pulse  <span style="color:blue"> -> ×180×60 = '''14.0 n/min'''</span><br>
 
R(upstream) = 0.0288 e+/pulse<br>
 
R(upstream) = 0.0288 e+/pulse<br>
 
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Revision as of 18:12, 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(bottom) = 0.0012 n/pulse -> ×180×60 = 12.9 n/min
R(upstream) = 0.0272 e+/pulse

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

121258 pulses
R(bottom) = 0 n/pulse
R(upstream) = 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(bottom) = 0.00137 n/pulse -> ×180×60 = 14.8 n/min
R(upstream) = 0.0319 e+/pulse

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

122247 pulses
R(bottom) = 0 n/pulse
R(upstream) = 0.000908 e+/pulse
About 97% of photons are coming from the radiator according to PS. Very Good


Production runs

Run # Beam Dump magnet Collimator add coll Hardener 1" Al Radiator 10 um Al Target Comments
2506 Up
90A
In Open In Yes In DU cylinder Long production run: 972556 pulses Operator said the beam is really jittery

R(bottom) = 0.0013 n/pulse -> ×180×60 = 14.0 n/min
R(upstream) = 0.0258 e+/pulse

2507 Down
86A
In Open In Yes In DU cylinder Long production run: 973769 pulses

R(bottom) = 0.001298 n/pulse -> ×180×60 = 14.0 n/min
R(upstream) = 0.0288 e+/pulse

2508 Down
86A
In Open In Yes Out DU cylinder Long production run: pulses

R(bottom) = 0.00 n/pulse -> ×180×60 = .0 n/min
R(upstream) = 0.0 e+/pulse


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