Difference between revisions of "September 21, 2011"

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(Created page with '==Here is what happened today:== * current 140 mA * pulse width 2 us * rep rate 180 Hz * E = 25 MeV {| border="1" cellspacing="0" style="text-align: center; width: 1000px " ! …')
 
 
(41 intermediate revisions by 2 users not shown)
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==Here is what happened today:==
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[https://wiki.iac.isu.edu/index.php/Sept_PhotFisRun_44MeV_2011#Log_eBook Go Back]
  
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* current 140 mA
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==Beam Parameters:==
−
* pulse width 2 us
+
 
 +
* current 160 mA
 +
* 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> ==
  
 
{| 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 #
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! scope="col" width="6.0%" | Run #
−
! scope="col" width="7.0%" | Beam
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! scope="col" width="6.0%" | Beam
−
! scope="col" width="7.0%" | Dump magnet
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! scope="col" width="6.0%" | Dump magnet
−
! scope="col" width="7.0%" | Collimator
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! scope="col" width="6.0%" | Collimator
−
! scope="col" width="7.0%" | add coll
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! scope="col" width="6.0%" | add coll
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! scope="col" width="7.0%" | Hardener 1" Al
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! scope="col" width="6.0%" | Hardener 1" Al
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! scope="col" width="7.0%" | Radiator 25 um Al
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! scope="col" width="6.0%" | Radiator 25 um Al
−
! scope="col" width="7.0%" | Target
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! scope="col" width="6.0%" | Target
−
! scope="col" width="44%" | Comments
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! scope="col" width="52%" | Comments
 
|-
 
|-
−
|<span style="color:red">'''2502'''</span>||Up<br> 90A||In ||Open ||In ||Yes ||In||DU cylinder  
+
|<span style="color:red">'''2515'''</span>||Up<br> 90A||In ||Open ||In ||Yes ||Out||DU cylinder  
 
|align="left"|Test radiator in/out.
 
|align="left"|Test radiator in/out.
−
120664 pulses<br>
+
144632 pulses<br>
−
R(bottom) = 0.0012 n/pulse  <span style="color:red"> -> × 180 Hz × 60 sec/min = '''12.9 n/min'''</span><br>
+
R(bottom) = 3.4E-5 n/pulse  -> × 180 Hz × 60 sec/min = <span style="color:red"> '''0.37 n/min'''</span><br>
−
R(upstream) = 0.0272 e+/pulse
+
R(upstream) = 8.57E-4 e+/pulse
 
|-
 
|-
−
|<span style="color:red">'''2503'''</span>||Up<br> 90A||In ||Open ||In ||Yes ||Out||DU cylinder  
+
|<span style="color:red">'''2517'''</span>||Up<br> 90A||In ||Open ||In ||Yes ||In||DU cylinder  
 
|align="left"|Test radiator in/out.
 
|align="left"|Test radiator in/out.
−
121258 pulses<br>
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0 pulses<br>
−
R(bottom) = 0 n/pulse<br>
+
R(bottom) = 8.97E-4 n/pulse -> × 180 Hz × 60 sec/min = <span style="color:red"> '''9.69 n/min'''</span><br>
−
R(upstream) = 0.00091 e+/pulse<br>
+
R(upstream) = 17.7E-3 e+/pulse<br>
−
<span style="color:red">About '''97%''' of photons are coming from the radiator according to PS. Very Good</span><br>
+
<span style="color:red">About '''95.2%''' of photons are coming from the radiator according to PS. </span><br>
 
|-
 
|-
−
|<span style="color:red">'''2504'''</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) = 0.00137 n/pulse <span style="color:red"> -> × 180 Hz × 60 sec/min = '''14.8 n/min'''</span><br>
+
0 pulses<br>
−
R(upstream) = 0.0319 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">'''2505'''</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.
−
122247 pulses<br>
+
162652 pulses<br>
−
R(bottom) = 0 n/pulse<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) = 0.000908 e+/pulse<br>
+
R(upstream) = 9.7E-4 e+/pulse<br>
−
<span style="color:red">About '''97%''' of photons are coming from the radiator according to PS. Very Good</span><br>
+
<span style="color:red">About '''94.7%''' of photons are coming from the radiator according to PS. </span><br>
 
|-
 
|-
  
 
|}
 
|}
  
−
 
+
== <span style="color:blue">'''Production Runs'''</span> ==
−
<span style="color:blue">'''Production runs'''</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.%" | 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">'''2506'''</span>||<span style="color:hotpink">Up</span><br> 90A||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: 972556 pulses (90 minute run)'''</span><br>
+
|align="left"|<span style="color:blue">'''Long production run: -- pulses (60 minute run)'''</span><br>
−
Operator said the beam is really jittery<br>
+
R(bottom) = 7.64E-4 n/pulse  -> × 180 Hz × 60 sec/min = <span style="color:Crimson"> '''8.25 n/min'''</span><br>
−
R(bottom) = 0.0013 n/pulse  -> × 180 Hz × 60 sec/min = <span style="color:hotpink"> '''14.0 n/min'''</span><br>
+
R(upstream) = 16.89E-3 e+/pulse<br>
−
R(upstream) = 0.0258 e+/pulse<br>
 
 
|-
 
|-
−
|<span style="color:blue">'''2507'''</span>||<span style="color:green">Down</span><br> 86A||In ||Open ||In ||Yes ||In||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: 973769 pulses (90 minute run)<br>'''</span>  
+
|align="left"|<span style="color:blue">'''Long production run: -- pulses (90 minute run)'''</span><br>
−
R(bottom) = 0.001298 n/pulse -> × 180 Hz × 60 sec/min = <span style="color:green"> '''14.0 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) = 0.0288 e+/pulse<br>
+
R(upstream) = 15.84E-3 e+/pulse<br>
 
|-
 
|-
−
|<span style="color:blue">'''2508'''</span>|| Down <br> 86A||In ||Open ||In ||Yes ||<span style="color:aqua">Out</span>||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: 300000 pulses (30 minute run)<br>'''</span>  
+
|align="left"|<span style="color:blue">'''Long production run: 649324 pulses (60 minute run)<br>'''</span>  
−
R(bottom) = 6.6E-6 n/pulse -> × 180 Hz × 60 sec/min = <span style="color:aqua"> '''0.07 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) = 1.1E-3 e+/pulse<br>
+
R(upstream) = 12.6E-3 e+/pulse<br>
 
|-
 
|-
−
|<span style="color:blue">'''2509'''</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: 200092 pulses (20 minute run)<br>'''</span>
+
|align="left"|<span style="color:blue">'''Long production run: -- pulses (90 minute run)<br>'''</span>  
−
R(bottom) = 9.7E-4 n/pulse -> × 180 Hz × 60 sec/min = <span style="color:hotpink"> '''10.5 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) = 22.8E-3 e+/pulse<br>
+
R(upstream) = 12.1E-3 e+/pulse<br>
 
|-
 
|-
−
|<span style="color:blue">'''2510'''</span>||<span style="color:hotpink">Up</span><br> 90A||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: 766381 pulses (70 minute run)<br>'''</span>
+
|align="left"|<span style="color:blue">'''Long production run: -- pulses (30 minute run)<br>'''</span>  
−
R(bottom) = 9.8E-4 n/pulse -> × 180 Hz × 60 sec/min =  <span style="color:hotpink"> '''10.58 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) = 22.01E-3 e+/pulse<br>
+
R(upstream) = 1.17E-3 e+/pulse<br>
 
|-
 
|-
−
|<span style="color:blue">'''2511'''</span>||<span style="color:green">Down</span><br> 86A||In ||Open ||In ||Yes ||In||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: 972771 pulses (90 minute run)<br>'''</span>
+
|align="left"|<span style="color:blue">'''Long production run: 655450 pulses (60 minute run)<br>'''</span>  
−
R(bottom) = 10.66E-4 n/pulse -> × 180 Hz × 60 sec/min = <span style="color:green"> '''11.5 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) = 25.5E-3 e+/pulse<br>
+
R(upstream) = 15.9E-3 e+/pulse<br>
 
|-
 
|-
−
|<span style="color:blue">'''2512'''</span>|| Down <br> 86A||In ||Open ||In ||Yes ||<span style="color:aqua">Out</span>||DU cylinder
 
−
|align="left"|<span style="color:blue">'''Long production run: 197313 pulses (20 minute run)<br>'''</span>
 
−
R(bottom) = 2E-5 n/pulse ->  × 180 Hz × 60 sec/min =  <span style="color:aqua"> '''0.22 n/min'''</span><br>
 
−
R(upstream) = 1.02E-3 e+/pulse<br>
 
−
|-
 
−
|<span style="color:blue">'''2513'''</span>|| Down <br> 86A||In ||Open ||In ||Yes ||In ||<span style="color:brown">None</span>
 
−
|align="left"|<span style="color:blue">'''Long production run: 380333 pulses (30 minute run)<br>'''</span>
 
−
R(bottom) = 2.8E-5 n/pulse ->  × 180 Hz × 60 sec/min =  <span style="color:brown"> '''0.31 n/min'''</span><br>
 
−
R(upstream) = 24.8E-3 e+/pulse<br>
 
−
|-
 
−
 
 
|}
 
|}
  
  
−
[https://wiki.iac.isu.edu/index.php?title=September_20,_2011 go up]
+
[https://wiki.iac.isu.edu/index.php?title=September_21,_2011 go up]

Latest revision as of 14:24, 23 September 2011

Go Back

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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