Difference between revisions of "03-30-2015"

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==Better table==
+
=Discriminator Threshold study=
  
Al radiator in
+
Al radiator in
 
Current = 800 mA width = 100 ps, Ee = 10.5 MeV, rep. rate = 200Hz, slits are at 351. LED = 10 mV (all), LED pulse width = 40 ns (all)
 
Current = 800 mA width = 100 ps, Ee = 10.5 MeV, rep. rate = 200Hz, slits are at 351. LED = 10 mV (all), LED pulse width = 40 ns (all)
 
Target = DU rod
 
Target = DU rod
Line 133: Line 133:
 
|4506  || 5 mV || 1/13|| || 1/9|| ||  1/259 || ||1/245  
 
|4506  || 5 mV || 1/13|| || 1/9|| ||  1/259 || ||1/245  
 
|-
 
|-
|4507  || Al radiator in, DU cyl. target in, Current = 800 mA, LINAC pulse width = 100 ps, Ee = 10.5 MeV, rep. rate = 200Hz, slits are at 351. Back to LED threshold = 10 mV (all), LED pulse width = 40 ns (all). LED is in updating mode. Pair spectrometer Det @ 15 mV threshold. Production run.
+
|}
 +
 
 +
==Better table==
 +
 
 +
 
 +
Al radiator in
 +
Current = 800 mA width = 100 ps, Ee = 10.5 MeV, rep. rate = 200Hz, slits are at 351. LED = 10 mV (all), LED pulse width = 40 ns (all)
 +
Target = DU rod
 +
10 mV  updating mode. Pair spectrometer Det @ 15 mV threshold. Production run.
  
Positron rate by visual scaler = 120 e+/min
+
 
 +
{| border="1"
 +
| Run # ||e^+/min || colspan="4"|  Gammas/pulse ||  colspan="4"| Neutrons/Pulse
 +
|-
 +
|colspan="2" |  || 1 top [8] || 2 top [0] || 3 top [10]|| 4 top [10] ||1 top [8] || 2 top [0] || 3 top [10]|| 4 top [10]
 +
|-
 +
|4507  ||120 || 1/15|| || 1/10|| ||  1/391 || ||1/378
  
 
N(gamma/pulse, TDC[1][8], Det #1 top) = 1/15, N(n/pulse, TDC[1][8], Det #1 top) = 0.0023  
 
N(gamma/pulse, TDC[1][8], Det #1 top) = 1/15, N(n/pulse, TDC[1][8], Det #1 top) = 0.0023  
Line 153: Line 167:
 
N(n/pulse, TDC[1][14], Det #6 upstream) = 0.0012
 
N(n/pulse, TDC[1][14], Det #6 upstream) = 0.0012
 
|-
 
|-
|4508  || Al radiator in, DU cyl. target in, Current = 800 mA, LINAC pulse width = 100 ps, Ee = 10.5 MeV, rep. rate = 200Hz, slits are at 351. Back to LED threshold = 10 mV (all), LED pulse width = 40 ns (all). LED is in updating mode. Pair spectrometer Det @ 15 mV threshold. Production run.
+
|4508  || 125  
 
 
Positron rate by visual scaler = 125, 133, 147, 119, 110, 125 e+/min
 
  
 
N(gamma/pulse, TDC[1][0], Det #2 top) = 1/4, N(n/pulse, TDC[1][0], Det #2 top) = 0.0025
 
N(gamma/pulse, TDC[1][0], Det #2 top) = 1/4, N(n/pulse, TDC[1][0], Det #2 top) = 0.0025
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N(n/pulse, TDC[1][14], Det #6 upstream) = 0.0013
 
N(n/pulse, TDC[1][14], Det #6 upstream) = 0.0013
 
|-
 
|-
|4509  || Al radiator in, DU cyl. target in, Current = 800 mA, LINAC pulse width = 100 ps, Ee = 10.5 MeV, rep. rate = 200Hz, slits are at 351. Back to LED threshold = 10 mV (all), LED pulse width = 40 ns (all). LED is in updating mode. Pair spectrometer Det @ 15 mV threshold. Production run.
+
|4509  ||
 
 
Positron rate by visual scaler =  e+/min
 
  
 
N(gamma/pulse, TDC[1][0], Det #2 top) = 1/3.8, N(n/pulse, TDC[1][0], Det #2 top) = 0.0022
 
N(gamma/pulse, TDC[1][0], Det #2 top) = 1/3.8, N(n/pulse, TDC[1][0], Det #2 top) = 0.0022
Line 202: Line 212:
  
 
|-
 
|-
|4510  || Al radiator in, DU cyl. target in, Current = 800 mA, LINAC pulse width = 100 ps, Ee = 10.5 MeV, rep. rate = 200Hz, slits are at 351. Back to LED threshold = 10 mV (all), LED pulse width = 40 ns (all). LED is in updating mode. Pair spectrometer Det @ 15 mV threshold. Production run.
+
|4510  ||  
 
 
Positron rate by visual scaler =  e+/min
 
  
 
N(gamma/pulse, TDC[1][0], Det #2 top) = , N(n/pulse, TDC[1][0], Det #2 top) =  
 
N(gamma/pulse, TDC[1][0], Det #2 top) = , N(n/pulse, TDC[1][0], Det #2 top) =  

Revision as of 19:14, 30 March 2015

Run # (multihit data) Description
4504 Al radiator in, DU cyl. target in, Current = 800 mA width = 100 ps, Ee = 10.5 MeV, rep. rate = 200Hz, slits are at 351. LED = 10 mV (all), LED pulse width = 40 ns (all)

N(gamma/pulse, TDC[1][8]) = 1/13, N(n/pulse, TDC[1][8]) = 1/391 = 0.00255

N(gamma/pulse, TDC[1][10]) = 1/10, N(n/pulse, TDC[1][10]) = 1/378 = 0.00266

4505 Al radiator in, DU cyl. target in, Current = 800 mA width = 100 ps, Ee = 10.5 MeV, rep. rate = 200Hz, slits are at 351. LED = 20 mV (all), LED pulse width = 40 ns (all)

N(gamma/pulse, TDC[1][8]) = 1/18, N(n/pulse, TDC[1][8]) = 1/1158 = 0.00086

N(gamma/pulse, TDC[1][10]) = 1/14, N(n/pulse, TDC[1][10]) = 1/922 = 0.0011

4506 Al radiator in, DU cyl. target in, Current = 800 mA width = 100 ps, Ee = 10.5 MeV, rep. rate = 200Hz, slits are at 351. LED = 5 mV (all), LED pulse width = 40 ns (all)

N(gamma/pulse, TDC[1][8]) = 1/13, N(n/pulse, TDC[1][8]) = 1/259 = 0.0039

N(gamma/pulse, TDC[1][10]) = 1/9, N(n/pulse, TDC[1][10]) = 1/245 = 0.0041

4507 Al radiator in, DU cyl. target in, Current = 800 mA, LINAC pulse width = 100 ps, Ee = 10.5 MeV, rep. rate = 200Hz, slits are at 351. Back to LED threshold = 10 mV (all), LED pulse width = 40 ns (all). LED is in updating mode. Pair spectrometer Det @ 15 mV threshold. Production run.

Positron rate by visual scaler = 120 e+/min

N(gamma/pulse, TDC[1][8], Det #1 top) = 1/15, N(n/pulse, TDC[1][8], Det #1 top) = 0.0023

N(gamma/pulse, TDC[1][10], Det #3 top) = 1/11

N(n/pulse, TDC[1][3], Det #4 bottom) = 0.0037

N(n/pulse, TDC[1][9], Det #1 bottom) = 0.0021

N(n/pulse, TDC[1][0], Det #2 top) = 0.0021

N(n/pulse, TDC[1][10], Det #3 top) = 0.0022

N(n/pulse, TDC[1][4], Det #5 upstream) = 0.0005

N(n/pulse, TDC[1][14], Det #6 upstream) = 0.0012

4508 Al radiator in, DU cyl. target in, Current = 800 mA, LINAC pulse width = 100 ps, Ee = 10.5 MeV, rep. rate = 200Hz, slits are at 351. Back to LED threshold = 10 mV (all), LED pulse width = 40 ns (all). LED is in updating mode. Pair spectrometer Det @ 15 mV threshold. Production run.

Positron rate by visual scaler = 125, 133, 147, 119, 110, 125 e+/min

N(gamma/pulse, TDC[1][0], Det #2 top) = 1/4, N(n/pulse, TDC[1][0], Det #2 top) = 0.0025

N(gamma/pulse, TDC[1][1], Det #2 bottom) = 1/4, N(n/pulse, TDC[1][1], Det #2 bottom) = 0.0015

N(gamma/pulse, TDC[1][8], Det #1 top) = 1/15, N(n/pulse, TDC[1][8], Det #1 top) = 0.0023

N(gamma/pulse, TDC[1][10], Det #3 top) = 1/11

N(n/pulse, TDC[1][3], Det #4 bottom) = 0.0043, N(n/pulse, TDC[1][2], Det #4 top) = 0.004

N(n/pulse, TDC[1][9], Det #1 bottom) = 0.0024

N(n/pulse, TDC[1][0], Det #2 top) = 0.0024

N(n/pulse, TDC[1][10], Det #3 top) = 0.0024

N(n/pulse, TDC[1][4], Det #5 upstream) = 0.0005

N(n/pulse, TDC[1][14], Det #6 upstream) = 0.0013

4509 Al radiator in, DU cyl. target in, Current = 800 mA, LINAC pulse width = 100 ps, Ee = 10.5 MeV, rep. rate = 200Hz, slits are at 351. Back to LED threshold = 10 mV (all), LED pulse width = 40 ns (all). LED is in updating mode. Pair spectrometer Det @ 15 mV threshold. Production run.

Positron rate by visual scaler = e+/min

N(gamma/pulse, TDC[1][0], Det #2 top) = 1/3.8, N(n/pulse, TDC[1][0], Det #2 top) = 0.0022

N(gamma/pulse, TDC[1][1], Det #2 bottom) = 1/4.2, N(n/pulse, TDC[1][1], Det #2 bottom) = 0.0014

N(gamma/pulse, TDC[1][8], Det #1 top) = 1/14.7, N(n/pulse, TDC[1][8], Det #1 top) = 0.0022

N(gamma/pulse, TDC[1][10], Det #3 top) = 1/10.4

N(n/pulse, TDC[1][3], Det #4 bottom) = , N(n/pulse, TDC[1][2], Det #4 top) =

N(n/pulse, TDC[1][9], Det #1 bottom) =

N(n/pulse, TDC[1][0], Det #2 top) =

N(n/pulse, TDC[1][10], Det #3 top) =

N(n/pulse, TDC[1][4], Det #5 upstream) =

N(n/pulse, TDC[1][14], Det #6 upstream) =

4510 Al radiator in, DU cyl. target in, Current = 800 mA, LINAC pulse width = 100 ps, Ee = 10.5 MeV, rep. rate = 200Hz, slits are at 351. Back to LED threshold = 10 mV (all), LED pulse width = 40 ns (all). LED is in updating mode. Pair spectrometer Det @ 15 mV threshold. Production run.

Positron rate by visual scaler = e+/min

N(gamma/pulse, TDC[1][0], Det #2 top) = , N(n/pulse, TDC[1][0], Det #2 top) =

N(gamma/pulse, TDC[1][1], Det #2 bottom) = , N(n/pulse, TDC[1][1], Det #2 bottom) =

N(gamma/pulse, TDC[1][8], Det #1 top) = , N(n/pulse, TDC[1][8], Det #1 top) =

N(gamma/pulse, TDC[1][10], Det #3 top) =

N(n/pulse, TDC[1][3], Det #4 bottom) = , N(n/pulse, TDC[1][2], Det #4 top) =

N(n/pulse, TDC[1][9], Det #1 bottom) =

N(n/pulse, TDC[1][0], Det #2 top) =

N(n/pulse, TDC[1][10], Det #3 top) =

N(n/pulse, TDC[1][4], Det #5 upstream) =

N(n/pulse, TDC[1][14], Det #6 upstream) =


Discriminator Threshold study

Al radiator in Current = 800 mA width = 100 ps, Ee = 10.5 MeV, rep. rate = 200Hz, slits are at 351. LED = 10 mV (all), LED pulse width = 40 ns (all) Target = DU rod

Run # LED (mv) Gammas/pulse Neutrons/Pulse
1 top [8] 2 top [0] 3 top [10] 4 top [10] 1 top [8] 2 top [0] 3 top [10] 4 top [10]
4504 10 1/13 1/10 1/391 1/378
4505 20 1/18 1/14 1/1158 1/922
4506 5 mV 1/13 1/9 1/259 1/245

Better table

Al radiator in Current = 800 mA width = 100 ps, Ee = 10.5 MeV, rep. rate = 200Hz, slits are at 351. LED = 10 mV (all), LED pulse width = 40 ns (all) Target = DU rod 10 mV updating mode. Pair spectrometer Det @ 15 mV threshold. Production run.


Run # e^+/min Gammas/pulse Neutrons/Pulse
1 top [8] 2 top [0] 3 top [10] 4 top [10] 1 top [8] 2 top [0] 3 top [10] 4 top [10]
4507 120 1/15 1/10 1/391 1/378

N(gamma/pulse, TDC[1][8], Det #1 top) = 1/15, N(n/pulse, TDC[1][8], Det #1 top) = 0.0023

N(gamma/pulse, TDC[1][10], Det #3 top) = 1/11

N(n/pulse, TDC[1][3], Det #4 bottom) = 0.0037

N(n/pulse, TDC[1][9], Det #1 bottom) = 0.0021

N(n/pulse, TDC[1][0], Det #2 top) = 0.0021

N(n/pulse, TDC[1][10], Det #3 top) = 0.0022

N(n/pulse, TDC[1][4], Det #5 upstream) = 0.0005

N(n/pulse, TDC[1][14], Det #6 upstream) = 0.0012

4508 125

N(gamma/pulse, TDC[1][0], Det #2 top) = 1/4, N(n/pulse, TDC[1][0], Det #2 top) = 0.0025

N(gamma/pulse, TDC[1][1], Det #2 bottom) = 1/4, N(n/pulse, TDC[1][1], Det #2 bottom) = 0.0015

N(gamma/pulse, TDC[1][8], Det #1 top) = 1/15, N(n/pulse, TDC[1][8], Det #1 top) = 0.0023

N(gamma/pulse, TDC[1][10], Det #3 top) = 1/11

N(n/pulse, TDC[1][3], Det #4 bottom) = 0.0043, N(n/pulse, TDC[1][2], Det #4 top) = 0.004

N(n/pulse, TDC[1][9], Det #1 bottom) = 0.0024

N(n/pulse, TDC[1][0], Det #2 top) = 0.0024

N(n/pulse, TDC[1][10], Det #3 top) = 0.0024

N(n/pulse, TDC[1][4], Det #5 upstream) = 0.0005

N(n/pulse, TDC[1][14], Det #6 upstream) = 0.0013

4509

N(gamma/pulse, TDC[1][0], Det #2 top) = 1/3.8, N(n/pulse, TDC[1][0], Det #2 top) = 0.0022

N(gamma/pulse, TDC[1][1], Det #2 bottom) = 1/4.2, N(n/pulse, TDC[1][1], Det #2 bottom) = 0.0014

N(gamma/pulse, TDC[1][8], Det #1 top) = 1/14.7, N(n/pulse, TDC[1][8], Det #1 top) = 0.0022

N(gamma/pulse, TDC[1][10], Det #3 top) = 1/10.4

N(n/pulse, TDC[1][3], Det #4 bottom) = , N(n/pulse, TDC[1][2], Det #4 top) =

N(n/pulse, TDC[1][9], Det #1 bottom) =

N(n/pulse, TDC[1][0], Det #2 top) =

N(n/pulse, TDC[1][10], Det #3 top) =

N(n/pulse, TDC[1][4], Det #5 upstream) =

N(n/pulse, TDC[1][14], Det #6 upstream) =

4510

N(gamma/pulse, TDC[1][0], Det #2 top) = , N(n/pulse, TDC[1][0], Det #2 top) =

N(gamma/pulse, TDC[1][1], Det #2 bottom) = , N(n/pulse, TDC[1][1], Det #2 bottom) =

N(gamma/pulse, TDC[1][8], Det #1 top) = , N(n/pulse, TDC[1][8], Det #1 top) =

N(gamma/pulse, TDC[1][10], Det #3 top) =

N(n/pulse, TDC[1][3], Det #4 bottom) = , N(n/pulse, TDC[1][2], Det #4 top) =

N(n/pulse, TDC[1][9], Det #1 bottom) =

N(n/pulse, TDC[1][0], Det #2 top) =

N(n/pulse, TDC[1][10], Det #3 top) =

N(n/pulse, TDC[1][4], Det #5 upstream) =

N(n/pulse, TDC[1][14], Det #6 upstream) =