Difference between revisions of "September 21, 2011"

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==Beam Parameters:==
 
==Beam Parameters:==
  
−
* current 140 mA
+
* current 160 mA
−
* pulse width 2 us
+
* pulse width <2 ns
 
* rep rate 180 Hz
 
* rep rate 180 Hz
 
* E = 25 MeV
 
* E = 25 MeV
−
 
  
 
== <span style="color:red">'''Initial Test for Verification '''</span> ==
 
== <span style="color:red">'''Initial Test for Verification '''</span> ==
  
 
{| border="1" cellspacing="0" style="text-align: center; width: 1000px "
 
{| border="1" cellspacing="0" style="text-align: center; width: 1000px "
−
! scope="col" width="7.0%" | Run #
+
! scope="col" width="6.0%" | Run #
−
! scope="col" width="7.0%" | Beam
+
! scope="col" width="6.0%" | Beam
−
! scope="col" width="7.0%" | Dump magnet
+
! scope="col" width="6.0%" | Dump magnet
−
! scope="col" width="7.0%" | Collimator
+
! scope="col" width="6.0%" | Collimator
−
! scope="col" width="7.0%" | add coll
+
! scope="col" width="6.0%" | add coll
−
! scope="col" width="7.0%" | Hardener 1" Al
+
! scope="col" width="6.0%" | Hardener 1" Al
−
! scope="col" width="7.0%" | Radiator 25 um Al
+
! scope="col" width="6.0%" | Radiator 25 um Al
−
! scope="col" width="7.0%" | Target
+
! scope="col" width="6.0%" | Target
−
! scope="col" width="44%" | Comments
+
! scope="col" width="52%" | Comments
 
|-
 
|-
 
|<span style="color:red">'''2515'''</span>||Up<br> 90A||In ||Open ||In ||Yes ||Out||DU cylinder  
 
|<span style="color:red">'''2515'''</span>||Up<br> 90A||In ||Open ||In ||Yes ||Out||DU cylinder  
Line 37: Line 36:
 
|<span style="color:red">'''2519'''</span>||Down<br> 86A||In ||Open ||In ||Yes ||In||DU cylinder  
 
|<span style="color:red">'''2519'''</span>||Down<br> 86A||In ||Open ||In ||Yes ||In||DU cylinder  
 
|align="left"|Test radiator in/out.
 
|align="left"|Test radiator in/out.
−
R(bottom) = 0 n/pulse -> × 180 Hz × 60 sec/min = <span style="color:red"> '''0 n/min'''</span><br>
+
0 pulses<br>
−
R(upstream) = 0 e+/pulse
+
R(bottom) = 7.9E-4 n/pulse -> × 180 Hz × 60 sec/min = <span style="color:red"> '''8.53 n/min'''</span><br>
 +
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  
 
|align="left"|Test radiator in/out.
 
|align="left"|Test radiator in/out.
−
0 pulses<br>
+
162652 pulses<br>
−
R(bottom) = 0 n/pulse -> × 180 Hz × 60 sec/min = <span style="color:red"> '''0 n/min'''</span><br>
+
R(bottom) = 1.2E-5 n/pulse -> × 180 Hz × 60 sec/min = <span style="color:red"> '''0.13 n/min'''</span><br>
−
R(upstream) = 0 e+/pulse<br>
+
R(upstream) = 9.7E-4 e+/pulse<br>
−
<span style="color:red">About '''0%''' of photons are coming from the radiator according to PS. </span><br>
+
<span style="color:red">About '''94.7%''' of photons are coming from the radiator according to PS. </span><br>
 
|-
 
|-
  
Line 53: Line 53:
  
 
{| border="1" cellspacing="0" style="text-align: center; width: 1000px "
 
{| border="1" cellspacing="0" style="text-align: center; width: 1000px "
−
! scope="col" width="7.%" | Run #
+
! scope="col" width="6.%" | Run #
−
! scope="col" width="7.%" | Beam
+
! scope="col" width="6.%" | Beam
−
! scope="col" width="7.%" | Dump magnet
+
! scope="col" width="6.%" | Dump magnet
−
! scope="col" width="7.%" | Collimator
+
! scope="col" width="6.%" | Collimator
−
! scope="col" width="7.%" | add coll
+
! scope="col" width="6.%" | add coll
−
! scope="col" width="7.%" | Hardener 1" Al
+
! scope="col" width="6.%" | Hardener 1" Al
−
! scope="col" width="7.%" | Radiator 25 um Al
+
! scope="col" width="6.%" | Radiator 25 um Al
−
! scope="col" width="7.%" | Target
+
! scope="col" width="6.%" | Target
−
! scope="col" width="44%" | Comments
+
! scope="col" width="52%" | Comments
−
|-
 
−
|<span style="color:blue">'''2519'''</span>||<span style="color:hotpink">Up</span><br> 90A||In ||Open ||In ||Yes ||In||DU cylinder
 
−
|align="left"|<span style="color:blue">'''Long production run: 0 pulses (90 minute run)'''</span><br>
 
−
Operator said the beam is really jittery<br>
 
−
R(bottom) = 0 n/pulse  -> × 180 Hz × 60 sec/min = <span style="color:hotpink"> '''0 n/min'''</span><br>
 
−
R(upstream) = 0 e+/pulse<br>
 
 
|-
 
|-
−
|<span style="color:blue">'''2520'''</span>||<span style="color:green">Down</span><br> 86A||In ||Open ||In ||Yes ||In||DU cylinder  
+
|<span style="color:blue">'''2521'''</span>||<span style="color:Crimson">'''Up'''</span><br> 90A||In ||Open ||In ||Yes ||In||DU cylinder  
−
|align="left"|<span style="color:blue">'''Long production run: 0 pulses (90 minute run)<br>'''</span>  
+
|align="left"|<span style="color:blue">'''Long production run: -- pulses (60 minute run)'''</span><br>
−
R(bottom) = 0 n/pulse -> × 180 Hz × 60 sec/min = <span style="color:green"> '''0 n/min'''</span><br>
+
R(bottom) = 7.64E-4 n/pulse -> × 180 Hz × 60 sec/min = <span style="color:Crimson"> '''8.25 n/min'''</span><br>
−
R(upstream) = 0 e+/pulse<br>
+
R(upstream) = 16.89E-3 e+/pulse<br>
 
|-
 
|-
−
|<span style="color:blue">'''2521'''</span>|| Down <br> 86A||In ||Open ||In ||Yes ||<span style="color:aqua">Out</span>||DU cylinder  
+
|<span style="color:blue">'''2522'''</span>||<span style="color:Crimson">'''Up'''</span><br> 90A||In ||Open ||In ||Yes ||In||DU cylinder  
−
|align="left"|<span style="color:blue">'''Long production run: 0 pulses (30 minute run)<br>'''</span>  
+
|align="left"|<span style="color:blue">'''Long production run: -- pulses (90 minute run)'''</span><br>
−
R(bottom) = 0 n/pulse -> × 180 Hz × 60 sec/min = <span style="color:aqua"> '''0 n/min'''</span><br>
+
R(bottom) = 6.75E-4 n/pulse -> × 180 Hz × 60 sec/min = <span style="color:Crimson"> '''7.29 n/min'''</span><br>
−
R(upstream) = 0 e+/pulse<br>
+
R(upstream) = 15.84E-3 e+/pulse<br>
 
|-
 
|-
−
|<span style="color:blue">'''2522'''</span>||<span style="color:hotpink">Up</span><br> 90A||In ||Open ||In ||Yes ||In||DU cylinder  
+
|<span style="color:blue">'''2523'''</span>||<span style="color:Lime">'''Down'''</span><br> 86A||In ||Open ||In ||Yes ||In||DU cylinder  
−
|align="left"|<span style="color:blue">'''Long production run: 0 pulses (20 minute run)<br>'''</span>
+
|align="left"|<span style="color:blue">'''Long production run: 649324 pulses (60 minute run)<br>'''</span>  
−
R(bottom) = 0 n/pulse -> × 180 Hz × 60 sec/min = <span style="color:hotpink"> '''0 n/min'''</span><br>
+
R(bottom) = 5.1E-4 n/pulse -> × 180 Hz × 60 sec/min = <span style="color:Lime"> '''5.54 n/min'''</span><br>
−
R(upstream) = 0 e+/pulse<br>
+
R(upstream) = 12.6E-3 e+/pulse<br>
 
|-
 
|-
−
|<span style="color:blue">'''2523'''</span>||<span style="color:hotpink">Up</span><br> 90A||In ||Open ||In ||Yes ||In||DU cylinder  
+
|<span style="color:blue">'''2524'''</span>||<span style="color:Lime">'''Down'''</span><br> 86A||In ||Open ||In ||Yes ||In||DU cylinder  
−
|align="left"|<span style="color:blue">'''Long production run: 0 pulses (70 minute run)<br>'''</span>
+
|align="left"|<span style="color:blue">'''Long production run: -- pulses (90 minute run)<br>'''</span>  
−
R(bottom) = 0 n/pulse -> × 180 Hz × 60 sec/min = <span style="color:hotpink"> '''0 n/min'''</span><br>
+
R(bottom) = 4.58E-4 n/pulse -> × 180 Hz × 60 sec/min = <span style="color:Lime"> '''4.95 n/min'''</span><br>
−
R(upstream) = 0 e+/pulse<br>
+
R(upstream) = 12.1E-3 e+/pulse<br>
 
|-
 
|-
−
|<span style="color:blue">'''2524'''</span>||<span style="color:green">Down</span><br> 86A||In ||Open ||In ||Yes ||In||DU cylinder  
+
|<span style="color:blue">'''2525'''</span>|| Down <br> 86A||In ||Open ||In ||Yes ||<span style="color:Teal">'''Out'''</span>||DU cylinder  
−
|align="left"|<span style="color:blue">'''Long production run: 0 pulses (90 minute run)<br>'''</span>
+
|align="left"|<span style="color:blue">'''Long production run: -- pulses (30 minute run)<br>'''</span>  
−
R(bottom) = 0 n/pulse -> × 180 Hz × 60 sec/min = <span style="color:green"> '''0 n/min'''</span><br>
+
R(bottom) = 1.7E-5 n/pulse -> × 180 Hz × 60 sec/min = <span style="color:Teal"> '''0.18 n/min'''</span><br>
−
R(upstream) = 0 e+/pulse<br>
+
R(upstream) = 1.17E-3 e+/pulse<br>
 
|-
 
|-
−
|<span style="color:blue">'''2525'''</span>|| Down <br> 86A||In ||Open ||In ||Yes ||<span style="color:aqua">Out</span>||DU cylinder
+
|<span style="color:blue">'''2526'''</span>|| Up <br> 90A||In ||Open ||In ||Yes ||In ||<span style="color:OrangeRed">'''None'''</span>
−
|align="left"|<span style="color:blue">'''Long production run: 0 pulses (20 minute run)<br>'''</span>  
+
|align="left"|<span style="color:blue">'''Long production run: 655450 pulses (60 minute run)<br>'''</span>  
−
R(bottom) = 0 n/pulse ->  × 180 Hz × 60 sec/min =  <span style="color:aqua"> '''0 n/min'''</span><br>
+
R(bottom) = 1.68E-5 n/pulse ->  × 180 Hz × 60 sec/min =  <span style="color:OrangeRed"> '''0.18 n/min'''</span><br>
−
R(upstream) = 0 e+/pulse<br>
+
R(upstream) = 15.9E-3 e+/pulse<br>
 
|-
 
|-
−
|<span style="color:blue">'''2526'''</span>|| Down <br> 86A||In ||Open ||In ||Yes ||In ||<span style="color:brown">None</span>
 
−
|align="left"|<span style="color:blue">'''Long production run: 0 pulses (30 minute run)<br>'''</span>
 
−
R(bottom) = 0 n/pulse ->  × 180 Hz × 60 sec/min =  <span style="color:brown"> '''0 n/min'''</span><br>
 
−
R(upstream) = 0 e+/pulse<br>
 
−
|-
 
−
 
 
|}
 
|}
  
  
 
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Latest revision as of 14:24, 23 September 2011

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Beam Parameters:

  • current 160 mA
  • pulse width <2 ns
  • 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.

162652 pulses
R(bottom) = 1.2E-5 n/pulse -> × 180 Hz × 60 sec/min = 0.13 n/min
R(upstream) = 9.7E-4 e+/pulse
About 94.7% 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
2521 Up
90A		 In Open In Yes In DU cylinder Long production run: -- pulses (60 minute run)

R(bottom) = 7.64E-4 n/pulse -> × 180 Hz × 60 sec/min = 8.25 n/min
R(upstream) = 16.89E-3 e+/pulse

2522 Up
90A		 In Open In Yes In DU cylinder Long production run: -- pulses (90 minute run)

R(bottom) = 6.75E-4 n/pulse -> × 180 Hz × 60 sec/min = 7.29 n/min
R(upstream) = 15.84E-3 e+/pulse

2523 Down
86A		 In Open In Yes In DU cylinder Long production run: 649324 pulses (60 minute run)

R(bottom) = 5.1E-4 n/pulse -> × 180 Hz × 60 sec/min = 5.54 n/min
R(upstream) = 12.6E-3 e+/pulse

2524 Down
86A		 In Open In Yes In DU cylinder Long production run: -- pulses (90 minute run)

R(bottom) = 4.58E-4 n/pulse -> × 180 Hz × 60 sec/min = 4.95 n/min
R(upstream) = 12.1E-3 e+/pulse

2525 Down
86A		 In Open In Yes Out DU cylinder Long production run: -- pulses (30 minute run)

R(bottom) = 1.7E-5 n/pulse -> × 180 Hz × 60 sec/min = 0.18 n/min
R(upstream) = 1.17E-3 e+/pulse

2526 Up
90A		 In Open In Yes In None Long production run: 655450 pulses (60 minute run)

R(bottom) = 1.68E-5 n/pulse -> × 180 Hz × 60 sec/min = 0.18 n/min
R(upstream) = 15.9E-3 e+/pulse


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