Difference between revisions of "September 20, 2011"

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! scope="col" width="7.2%" | Dump magnet
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! scope="col" width="7.0%" | Dump magnet
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! scope="col" width="7.2%" | add coll
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! scope="col" width="7.0%" | add coll
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! scope="col" width="7.2%" | Hardener 1" Al
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|<span style="color:red">'''2502'''</span>||Up<br> 90A||In ||Open ||In ||Yes ||In||DU cylinder  
 
|<span style="color:red">'''2502'''</span>||Up<br> 90A||In ||Open ||In ||Yes ||In||DU cylinder  
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{| border="1" cellspacing="0" style="text-align: center; width: 1000px "
 
{| border="1" cellspacing="0" style="text-align: center; width: 1000px "
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! scope="col" width="7.2%" | Run #
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! scope="col" width="7.%" | Run #
−
! scope="col" width="7.2%" | Beam
+
! scope="col" width="7.%" | Beam
−
! scope="col" width="7.2%" | Dump magnet
+
! scope="col" width="7.%" | Dump magnet
−
! scope="col" width="7.2%" | Collimator
+
! scope="col" width="7.%" | Collimator
−
! scope="col" width="7.2%" | add coll
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! scope="col" width="7.%" | add coll
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! scope="col" width="7.2%" | Hardener 1" Al
+
! scope="col" width="7.%" | Hardener 1" Al
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! scope="col" width="7.2%" | Radiator 10 um Al
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! scope="col" width="7.%" | Radiator 10 um Al
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! scope="col" width="7.2%" | Target
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! scope="col" width="7.%" | Target
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! scope="col" width="56.6%" | Comments
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! scope="col" width="44%" | Comments
 
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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  

Revision as of 18:10, 20 September 2011

go back

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

2507 Down
86A		 In Open In Yes In DU cylinder Long production run.

973769 pulses
R(bottom) = 1264/973769 = 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


go up

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