Difference between revisions of "September 22, 2011"

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* E = 25 MeV
 
* E = 25 MeV
  
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== <span style="color:red">'''Initial Test for Verification H2O'''</span> ==
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== <span style="color:red">'''Initial Test for Verification and some D2O runs'''</span> ==
  
 
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== <span style="color:blue">'''Production Runs'''</span> ==
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== <span style="color:blue">'''D2O Production Runs'''</span> ==
  
 
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Latest revision as of 16:04, 23 September 2011

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Beam Parameters:

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

Initial Test for Verification and some D2O runs

Run # Beam Dump magnet Collim add coll Hardener 1" Al Radiator 25 um Al Target Comments
2527 Up
90A		 In Open In Yes In D2O bottle Test radiator in/out.

R(bottom) = 2.09E-4 n/pulse -> × 180 Hz × 60 sec/min = 2.26 n/min
R(upstream) = 10.7E-3 e+/pulse

2528 Up
90A		 In Open In Yes Out D2O bottle Test radiator in/out.

R(bottom) = 7.7E-6 n/pulse -> × 180 Hz × 60 sec/min = 0.083 n/min
R(upstream) = 6.6E-4 e+/pulse
About 94% of photons are coming from the radiator according to PS.

2530 Down
86A		 In Open In Yes In D2O bottle Test radiator in/out.

R(bottom) = 1.7E-4 n/pulse -> × 180 Hz × 60 sec/min = 1.84 n/min
R(upstream) = 10.2E-3 e+/pulse

2531 Down
86A		 In Open In Yes Out D2O bottle Test radiator in/out.

R(bottom) = 2.28E-5 n/pulse -> × 180 Hz × 60 sec/min = 0.25 n/min
R(upstream) = 9.7E-4 e+/pulse
About 91% of photons are coming from the radiator according to PS.

2532 Down
86A		 In Open In No Out D2O bottle Test radiator in/out.

R(bottom) = 2.45E-5 n/pulse -> × 180 Hz × 60 sec/min = 0.26 n/min
R(upstream) = 17.4E-4 e+/pulse

2533 Up
90A		 In Open In No Out D2O bottle Test radiator in/out.

R(bottom) = 0 n/pulse -> × 180 Hz × 60 sec/min = 0 n/min
R(upstream) = 14.4E-4 e+/pulse

2534 Up
90A		 In Open In No Out D2O bottle Test radiator in/out. Radiator out adjusted to be between two radiators

R(bottom) = 8.6E-6 n/pulse -> × 180 Hz × 60 sec/min = 0.09 n/min
R(upstream) = 16.7E-4 e+/pulse

2535 Up
90A		 In Open In No In D2O bottle Test radiator in/out.

R(bottom) = 2.5E-4 n/pulse -> × 180 Hz × 60 sec/min = 2.70 n/min
R(upstream) = 13.7E-3 e+/pulse
About 88% of photons are coming from the radiator according to PS.

2536 Up
90A		 In Open In No In D2O bottle Test radiator in/out. Rerun 2535

R(bottom) = 2.58E-4 n/pulse -> × 180 Hz × 60 sec/min = 2.79 n/min
R(upstream) = 13.7E-3 e+/pulse
About 88% of photons are coming from the radiator according to PS.

2537 Down
86A		 In Open In No In D2O bottle Test radiator in/out.

R(bottom) = 3.4E-4 n/pulse -> × 180 Hz × 60 sec/min = 3.67 n/min
R(upstream) = 13.6E-3 e+/pulse

2538 Down
86A		 In Open In No Out D2O bottle Test radiator in/out.

R(bottom) = 9.9E-6 n/pulse -> × 180 Hz × 60 sec/min = 0.11 n/min
R(upstream) = 15.88E-4 e+/pulse
About 91% of photons are coming from the radiator according to PS.

D2O Production Runs

Run # Beam Dump magnet Collim add coll Hardener 1" Al Radiator 25 um Al Target Comments
2539 Up
90A		 In Open In No In D2O bottle production run

R(bottom) = 7.2E-4 n/pulse -> × 180 Hz × 60 sec/min = 7.78 n/min
R(upstream) = 29.6E-3 e+/pulse

2540 Up
90A		 In Open In No Out D2O bottle production run

R(bottom) = 3.1E-5 n/pulse -> × 180 Hz × 60 sec/min = 0.33 n/min
R(upstream) = 2.87E-3 e+/pulse

2541 Down
86A		 In Open In No In D2O bottle production run

R(bottom) = 7.57E-4 n/pulse -> × 180 Hz × 60 sec/min = 8.17 n/min
R(upstream) = 36.3E-3 e+/pulse

2542 Down
86A		 In Open In No In D2O bottle Long production run: -- pulses (-- minute run)

R(bottom) = 7.18E-4 n/pulse -> × 180 Hz × 60 sec/min = 7.75 n/min
R(upstream) = 32.9E-3 e+/pulse

2543 Down
86A		 In Open In No Out D2O bottle production run

R(bottom) = 6.38E-5 n/pulse -> × 180 Hz × 60 sec/min = 0.69 n/min
R(upstream) = 3.76E-3 e+/pulse
About 89% of photons are coming from the radiator according to PS.

2544 Up
90A		 In Open In No In D2O bottle Long production run: -- pulses (-- minute run)

R(bottom) = 6.35E-4 n/pulse -> × 180 Hz × 60 sec/min = 6.86 n/min
R(upstream) = 30.1E-3 e+/pulse

2545 Down
86A		 In Open In No In H2O buttle production run

R(bottom) = 1.37E-4--n/pulse -> × 180 Hz × 60 sec/min = 1.48 n/min
R(upstream) = 30.4E-3 e+/pulse


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