Difference between revisions of "September 21, 2011"

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|align="left"|Test radiator in/out.
 
|align="left"|Test radiator in/out.
 
0 pulses<br>
 
0 pulses<br>
R(bottom) = 0 n/pulse -> × 180 Hz × 60 sec/min = <span style="color:red"> '''0 n/min'''</span><br>
+
R(bottom) = 7.9E-4 n/pulse -> × 180 Hz × 60 sec/min = <span style="color:red"> '''8.53 n/min'''</span><br>
R(upstream) = 0 e+/pulse
+
R(upstream) = 18.4E-3 e+/pulse
 
|-
 
|-
 
|<span style="color:red">'''2520'''</span>||Down<br> 86A||In ||Open ||In ||Yes ||Out||DU cylinder  
 
|<span style="color:red">'''2520'''</span>||Down<br> 86A||In ||Open ||In ||Yes ||Out||DU cylinder  

Revision as of 15:19, 21 September 2011

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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.

0 pulses
R(bottom) = 0 n/pulse -> × 180 Hz × 60 sec/min = 0 n/min
R(upstream) = 0 e+/pulse
About 0% 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
2519 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

2520 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

2521 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

2522 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

2523 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

2524 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

2525 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

2526 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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