September 23, 2011

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Revision as of 16:30, 23 September 2011 by Shaproma (talk | contribs) (→‎D2O run)
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Beam Parameters:

  • current 160 mA
  • pulse width 2 ns
  • rep rate 180 Hz
  • E = 25 MeV

H2O run

Run # Beam Dump magnet Collimator add coll Hardener 1" Al Radiator 25 um Al Target Comments
2546 Up
90A
In Open In No In H20 bottle Test radiator in/out.

R(bottom) = 2.5E-4 n/pulse -> × 180 Hz × 60 sec/min = 2.70 n/min
R(upstream) = 40.9E-3 e+/pulse

2547 Up
90A
In Open In No Out H20 bottle Test radiator in/out.

R(bottom) = 6.1E-6 n/pulse -> × 180 Hz × 60 sec/min = 0.06 n/min
R(upstream) = 1.68E-3 e+/pulse
About 96% of photons are coming from the radiator according to PS.

2548 Down
86A
In Open In Yes In H20 bottle Test radiator in/out.

R(bottom) = 1.08E-4 n/pulse -> × 180 Hz × 60 sec/min = 1.17 n/min
R(upstream) = 34.9E-3 e+/pulse

2549 Up
90A
In Open In Yes In H20 bottle Test radiator in/out.

R(bottom) = 1.43E-4 n/pulse -> × 180 Hz × 60 sec/min = 1.54 n/min
R(upstream) = 37.4E03 e+/pulse

2550 Down
86A
In Open In Yes In H20 bottle Test radiator in/out.

R(bottom) = 1.72E-4 n/pulse -> × 180 Hz × 60 sec/min = 1.86 n/min
R(upstream) = 33.8E-3 e+/pulse

2551 Down
86A
In Open In Yes Out H20 bottle Test radiator in/out.

R(bottom) = 0 n/pulse -> × 180 Hz × 60 sec/min = 0 n/min
R(upstream) = 2.8E-3 e+/pulse
About 92% of photons are coming from the radiator according to PS.

D2O run

Run # Beam Dump magnet Collimator add coll Hardener 1" Al Radiator 25 um Al Target Comments
2552 Up
90A
In Open In Yes In DU cylinder

R(bottom) = 8.7E-4 n/pulse -> × 180 Hz × 60 sec/min = 9.40 n/min
R(upstream) = 35.8E-3 e+/pulse

2553 Down
86A
In Open In Yes In DU cylinder

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

2554 Down
86A
In Open In Yes Out DU cylinder

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

2555 Down
86A
In Open In Yes In None

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


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