Difference between revisions of "September 22, 2011"

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|align="left"|Test radiator in/out.
 
|align="left"|Test radiator in/out.
 
-- pulses<br>
 
-- pulses<br>
R(bottom) = 2.E-409 n/pulse  -> × 180 Hz × 60 sec/min = <span style="color:red"> '''2.26 n/min'''</span><br>
+
R(bottom) = 2.09E-4 n/pulse  -> × 180 Hz × 60 sec/min = <span style="color:red"> '''2.26 n/min'''</span><br>
 
R(upstream) = 10.7E-3 e+/pulse
 
R(upstream) = 10.7E-3 e+/pulse
 
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Revision as of 14:41, 22 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

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 buttle Test radiator in/out.

-- pulses
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 DU cylinder Test radiator in/out.

-- pulses
R(bottom) = 7.7E-6 n/pulse -> × 180 Hz × 60 sec/min = 0.083 n/min
R(upstream) = 6.6E-4 e+/pulse
About 0.94% of photons are coming from the radiator according to PS.

2529 Down
86A
In Open In Yes In DU cylinder Test radiator in/out.

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

2530 Down
86A
In Open In Yes Out DU cylinder Test radiator in/out.

-- pulses
R(bottom) = -- n/pulse -> × 180 Hz × 60 sec/min = -- n/min
R(upstream) = -- e+/pulse
About --% 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
25-- Up
90A
In Open In Yes In DU cylinder Long production run: -- pulses (-- minute run)

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

25-- Down
86A
In Open In Yes In DU cylinder Long production run: -- pulses (-- minute run)

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

25-- Down
86A
In Open In Yes Out DU cylinder Long production run: -- pulses (-- minute run)

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

25-- Down
86A
In Open In Yes In None Long production run: -- pulses (-- minute run)

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


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