Difference between revisions of "September 21, 2011"

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==Beam Parameters:==
 
==Beam Parameters:==
  

Revision as of 14:17, 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 In DU cylinder Test radiator in/out.

144632 pulses
R(bottom) = 0 n/pulse -> × 180 Hz × 60 sec/min = 0 n/min
R(upstream) = 0 e+/pulse

2516 Up
90A		 In Open In Yes Out DU cylinder Test radiator in/out.

0 pulses
R(bottom) = 0 n/pulse
R(upstream) = 0 e+/pulse
About 0% of photons are coming from the radiator according to PS.

2517 Down
86A		 In Open In Yes In DU cylinder Test radiator in/out.

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

2518 Down
86A		 In Open In Yes Out DU cylinder Test radiator in/out.

0 pulses
R(bottom) = 0 n/pulse
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

2508 Down
86A		 In Open In Yes Out DU cylinder Long production run: 300000 pulses (30 minute run)

R(bottom) = 6.6E-6 n/pulse -> × 180 Hz × 60 sec/min = 0.07 n/min
R(upstream) = 1.1E-3 e+/pulse

2509 Up
90A		 In Open In Yes In DU cylinder Long production run: 200092 pulses (20 minute run)

R(bottom) = 9.7E-4 n/pulse -> × 180 Hz × 60 sec/min = 10.5 n/min
R(upstream) = 22.8E-3 e+/pulse

2510 Up
90A		 In Open In Yes In DU cylinder Long production run: 766381 pulses (70 minute run)

R(bottom) = 9.8E-4 n/pulse -> × 180 Hz × 60 sec/min = 10.58 n/min
R(upstream) = 22.01E-3 e+/pulse

2511 Down
86A		 In Open In Yes In DU cylinder Long production run: 972771 pulses (90 minute run)

R(bottom) = 10.66E-4 n/pulse -> × 180 Hz × 60 sec/min = 11.5 n/min
R(upstream) = 25.5E-3 e+/pulse

2512 Down
86A		 In Open In Yes Out DU cylinder Long production run: 197313 pulses (20 minute run)

R(bottom) = 2E-5 n/pulse -> × 180 Hz × 60 sec/min = 0.22 n/min
R(upstream) = 1.02E-3 e+/pulse

2513 Down
86A		 In Open In Yes In None Long production run: 380333 pulses (30 minute run)

R(bottom) = 2.8E-5 n/pulse -> × 180 Hz × 60 sec/min = 0.31 n/min
R(upstream) = 24.8E-3 e+/pulse


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