Difference between revisions of "September 21, 2011"

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! scope="col" width="44%" | Comments
 
! scope="col" width="44%" | Comments
 
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|<span style="color:blue">'''2521'''</span>||<span style="color:hotpink">Up</span><br> 90A||In ||Open ||In ||Yes ||In||DU cylinder  
+
|<span style="color:blue">'''2521'''</span>||<span style="color:Crimson">Up</span><br> 90A||In ||Open ||In ||Yes ||In||DU cylinder  
 
|align="left"|<span style="color:blue">'''Long production run: 0 pulses (90 minute run)'''</span><br>
 
|align="left"|<span style="color:blue">'''Long production run: 0 pulses (90 minute run)'''</span><br>
 
Operator said the beam is really jittery<br>
 
Operator said the beam is really jittery<br>
−
R(bottom) = 0 n/pulse  -> × 180 Hz × 60 sec/min = <span style="color:hotpink"> '''0 n/min'''</span><br>
+
R(bottom) = 0 n/pulse  -> × 180 Hz × 60 sec/min = <span style="color:Crimson"> '''0 n/min'''</span><br>
 
R(upstream) = 0 e+/pulse<br>
 
R(upstream) = 0 e+/pulse<br>
 
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Revision as of 16:20, 21 September 2011

Go Back

Beam Parameters:

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


Initial Test for Verification

Run # Beam Dump magnet Collimator add coll Hardener 1" Al Radiator 25 um Al Target Comments
2515 Up
90A		 In Open In Yes Out DU cylinder Test radiator in/out.

144632 pulses
R(bottom) = 3.4E-5 n/pulse -> × 180 Hz × 60 sec/min = 0.37 n/min
R(upstream) = 8.57E-4 e+/pulse

2517 Up
90A		 In Open In Yes In DU cylinder Test radiator in/out.

0 pulses
R(bottom) = 8.97E-4 n/pulse -> × 180 Hz × 60 sec/min = 9.69 n/min
R(upstream) = 17.7E-3 e+/pulse
About 95.2% of photons are coming from the radiator according to PS.

2519 Down
86A		 In Open In Yes In DU cylinder Test radiator in/out.

0 pulses
R(bottom) = 7.9E-4 n/pulse -> × 180 Hz × 60 sec/min = 8.53 n/min
R(upstream) = 18.4E-3 e+/pulse

2520 Down
86A		 In Open In Yes Out DU cylinder Test radiator in/out.

162652 pulses
R(bottom) = 1.2E-5 n/pulse -> × 180 Hz × 60 sec/min = 0.13 n/min
R(upstream) = 9.7E-4 e+/pulse
About 94.7% of photons are coming from the radiator according to PS.

Production Runs

Run # Beam Dump magnet Collimator add coll Hardener 1" Al Radiator 25 um Al Target Comments
2521 Up
90A		 In Open In Yes In DU cylinder Long production run: 0 pulses (90 minute run)

Operator said the beam is really jittery
R(bottom) = 0 n/pulse -> × 180 Hz × 60 sec/min = 0 n/min
R(upstream) = 0 e+/pulse

2522 Down
86A		 In Open In Yes In DU cylinder Long production run: 0 pulses (90 minute run)

R(bottom) = 0 n/pulse -> × 180 Hz × 60 sec/min = 0 n/min
R(upstream) = 0 e+/pulse

2523 Down
86A		 In Open In Yes Out DU cylinder Long production run: 0 pulses (30 minute run)

R(bottom) = 0 n/pulse -> × 180 Hz × 60 sec/min = 0 n/min
R(upstream) = 0 e+/pulse

2524 Up
90A		 In Open In Yes In DU cylinder Long production run: 0 pulses (20 minute run)

R(bottom) = 0 n/pulse -> × 180 Hz × 60 sec/min = 0 n/min
R(upstream) = 0 e+/pulse

2525 Up
90A		 In Open In Yes In DU cylinder Long production run: 0 pulses (70 minute run)

R(bottom) = 0 n/pulse -> × 180 Hz × 60 sec/min = 0 n/min
R(upstream) = 0 e+/pulse

2526 Down
86A		 In Open In Yes In DU cylinder Long production run: 0 pulses (90 minute run)

R(bottom) = 0 n/pulse -> × 180 Hz × 60 sec/min = 0 n/min
R(upstream) = 0 e+/pulse

2527 Down
86A		 In Open In Yes Out DU cylinder Long production run: 0 pulses (20 minute run)

R(bottom) = 0 n/pulse -> × 180 Hz × 60 sec/min = 0 n/min
R(upstream) = 0 e+/pulse

2528 Down
86A		 In Open In Yes In None Long production run: 0 pulses (30 minute run)

R(bottom) = 0 n/pulse -> × 180 Hz × 60 sec/min = 0 n/min
R(upstream) = 0 e+/pulse


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