Difference between revisions of "September 20, 2011"

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|<span style="color:blue">'''2506'''</span>||Up<br> 90A||In ||Open ||In ||Yes ||In||DU cylinder  
 
|<span style="color:blue">'''2506'''</span>||Up<br> 90A||In ||Open ||In ||Yes ||In||DU cylinder  
 
|align="left"|<span style="color:blue">'''Long production run.'''</span> Operator said the beam is really jittery
 
|align="left"|<span style="color:blue">'''Long production run.'''</span> Operator said the beam is really jittery
<span style="color:blue">''' pulses'''</span><br>
+
<span style="color:blue">'''972556 pulses'''</span><br>
R(bottom) = n/pulse  <span style="color:blue"> -> ×180×60 = '''6.8 n/min'''</span><br>
+
R(bottom) = 0.0013 n/pulse  <span style="color:blue"> -> ×180×60 = '''14.0 n/min'''</span><br>
R(upstream) = = e+/pulse<br>
+
R(upstream) = 0.0258 e+/pulse<br>
 
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|-
 
|}
 
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Revision as of 16:40, 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. Operator said the beam is really jittery

972556 pulses
R(bottom) = 0.0013 n/pulse -> ×180×60 = 14.0 n/min
R(upstream) = 0.0258 e+/pulse


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