Difference between revisions of "Beam Test Jul 16 2012"

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Line 54: Line 54:
 
== Scintillator pulse count  ==
 
== Scintillator pulse count  ==
  
 +
Scintillator is located at the end of the 90 degree beamlien (after the thin window). Rates measured with W1 in and out.
  
  
Line 65: Line 66:
 
| Gun Hor        ||  0  A
 
| Gun Hor        ||  0  A
 
|-
 
|-
| Gun Ver        || 0.2 A
+
| Gun Ver        || +0.2 A
 
|-
 
|-
|Output Hor      ||  1.2 A
+
|Output Hor      ||  +1.2 A
 
|-
 
|-
 
| Output Ver    || 0  A
 
| Output Ver    || 0  A
Line 77: Line 78:
 
|  Gun Grid Voltage  ||  10 (Knob Setting)
 
|  Gun Grid Voltage  ||  10 (Knob Setting)
 
|-
 
|-
|  RF frequency  ||2856.272 MHz
+
|  RF frequency  ||2856.304 MHz
 
|-
 
|-
 
|  Modulator HV Power Supply  || 4.28 (Knob Setting)
 
|  Modulator HV Power Supply  || 4.28 (Knob Setting)
Line 83: Line 84:
 
|  RF macro Pulse Length (FWHM)  || 300 ns
 
|  RF macro Pulse Length (FWHM)  || 300 ns
 
|-   
 
|-   
|Q1  (A)|| -2.6
+
|Q1  (A)|| -10
 
|-   
 
|-   
|Q2  (A)|| -3.2
+
|Q2  (A)|| -10
 
|-   
 
|-   
|Q3  (A)|| -3.6
+
|Q3  (A)|| 0
 
|-   
 
|-   
|Q4  (A)|| -1.5
+
|Q4  (A)|| -2.3
 
|-   
 
|-   
|Q5  (A)|| +0.7
+
|Q5  (A)|| 2.5
 
|-   
 
|-   
|Q6  (A)|| -3.6
+
|Q6  (A)|| -3.5
 
|-
 
|-
 
|}
 
|}
  
Scintillator is located at the end of the 90 degree beamlien (after the thin window). Rates measured with W1 in and out.
+
 
 +
When we bend the beam by 45 degree, there were too much current on the scintilator. Gun grid voltage is lowered to lower the current.
 +
 
  
 
{| border="1"
 
{| border="1"
Line 113: Line 116:
 
|-
 
|-
 
|}
 
|}
 +
 +
 +
{| border="1"
 +
| Energy Switch || Out (High En)
 +
|-
 +
| Solenoid 1    || 6.8  A 
 +
|-
 +
| Solenoid 2      || 1.2    A
 +
|-
 +
| Gun Hor        ||  0  A
 +
|-
 +
| Gun Ver        || +0.2 A
 +
|-
 +
|Output Hor      ||  +1.2 A
 +
|-
 +
| Output Ver    || 0  A
 +
|-
 +
| Rep Rate    || 8
 +
|-
 +
|  Gun HV  ||  10 (Knob Setting)
 +
|-
 +
|  Gun Grid Voltage  ||  6.42 (Knob Setting)
 +
|-
 +
|  RF frequency  ||2856.304 MHz
 +
|-
 +
|  Modulator HV Power Supply  || 4.28 (Knob Setting)
 +
|-
 +
|  RF macro Pulse Length (FWHM)  || 300 ns
 +
|- 
 +
|Q1  (A)|| -10
 +
|- 
 +
|Q2  (A)|| -10
 +
|- 
 +
|Q3  (A)|| 0
 +
|- 
 +
|Q4  (A)|| -2.3
 +
|- 
 +
|Q5  (A)|| 2.5
 +
|- 
 +
|Q6  (A)|| -3.5
 +
|-
 +
|}
 +
 +
  
  
Line 118: Line 165:
 
| W1  ||  D1 (A) || D2 (A) || Jaw width (cm) || Time (s) || Counts || counts/second || conditions
 
| W1  ||  D1 (A) || D2 (A) || Jaw width (cm) || Time (s) || Counts || counts/second || conditions
 
|-
 
|-
|  in ||  5.8  || 3 ||  209.9 || 0.2  || 844   ||   || D1 tuned for 3 Mev, D2 tuned for 1.2694 MeV  
+
|  in ||  5.8  || 3 ||  0.2  || 209.9 || 844  || 4.02  || D1 tuned for 3 Mev, D2 tuned for 1.2694 MeV
 +
|-
 +
|  in ||  5.8  || 5.8 || 0.2   ||  239.8 || 1212   || 5.05  || D1 tuned for 3 Mev, D2 tuned for 3 MeV  
 
|-
 
|-
|  in ||  5.8  || 5.8 ||   || 0.2   ||   ||   || D1 tuned for 3 Mev, D2 tuned for 3 MeV  
+
|  in ||  5.8  || 9 || 0.2  || 359.9   || 1508  || 4.19  || D1 tuned for 3 Mev, D2 tuned for 4.9 MeV  
 
|-
 
|-
 
|}
 
|}

Revision as of 21:01, 16 July 2012

Camera Trig

Tune the beam for 15 MeV range, see the beam with camera. Get camera triggering.

Tune The Beam for 11-12 MeV

Energy Switch Out (High En)
Solenoid 1 6.8 A
Solenoid 2 1.2 A
Gun Hor -0.1 A
Gun Ver 0 A
Output Hor +0.2 A
Output Ver +0.4 A
Rep Rate 8
Gun HV 10 (Knob Setting)
Gun Grid Voltage 10 (Knob Setting)
RF frequency 2856.272 MHz
Modulator HV Power Supply 4.28 (Knob Setting)
RF macro Pulse Length (FWHM) 300 ns
Q1 (A) -2.6
Q2 (A) -3.2
Q3 (A) -3.6
Q4 (A) -1.5
Q5 (A) +0.7
Q6 (A) -3.6

Beam Current 0 degree FC: Hrrl pos 16jul2012 FC0.png

Beam Spot at 0 degree OTR screen: Hrrl pos 16jul2012 OTR0.png


Scintillator pulse count

Scintillator is located at the end of the 90 degree beamlien (after the thin window). Rates measured with W1 in and out.


Energy Switch Out (High En)
Solenoid 1 6.8 A
Solenoid 2 1.2 A
Gun Hor 0 A
Gun Ver +0.2 A
Output Hor +1.2 A
Output Ver 0 A
Rep Rate 8
Gun HV 10 (Knob Setting)
Gun Grid Voltage 10 (Knob Setting)
RF frequency 2856.304 MHz
Modulator HV Power Supply 4.28 (Knob Setting)
RF macro Pulse Length (FWHM) 300 ns
Q1 (A) -10
Q2 (A) -10
Q3 (A) 0
Q4 (A) -2.3
Q5 (A) 2.5
Q6 (A) -3.5


When we bend the beam by 45 degree, there were too much current on the scintilator. Gun grid voltage is lowered to lower the current.


W1 Time (s) D1 (A) Jaws Counts counts/second conditions
in 209.1 0 Full open 1842 8.81 tuned to fc1 10 MeV
out 192.5 0 Full open 1052 5.46 tuned to fc1 10 MeV
in 226 2.5 Full open 2082 9.21 tuned to fc2 1 MeV
in 205 18.8 Full open 1784 8.7 tuned to fc2 10 MeV
out 18.8 Full open too much pile-ups tuned to fc2 10 MeV


Energy Switch Out (High En)
Solenoid 1 6.8 A
Solenoid 2 1.2 A
Gun Hor 0 A
Gun Ver +0.2 A
Output Hor +1.2 A
Output Ver 0 A
Rep Rate 8
Gun HV 10 (Knob Setting)
Gun Grid Voltage 6.42 (Knob Setting)
RF frequency 2856.304 MHz
Modulator HV Power Supply 4.28 (Knob Setting)
RF macro Pulse Length (FWHM) 300 ns
Q1 (A) -10
Q2 (A) -10
Q3 (A) 0
Q4 (A) -2.3
Q5 (A) 2.5
Q6 (A) -3.5



W1 D1 (A) D2 (A) Jaw width (cm) Time (s) Counts counts/second conditions
in 5.8 3 0.2 209.9 844 4.02 D1 tuned for 3 Mev, D2 tuned for 1.2694 MeV
in 5.8 5.8 0.2 239.8 1212 5.05 D1 tuned for 3 Mev, D2 tuned for 3 MeV
in 5.8 9 0.2 359.9 1508 4.19 D1 tuned for 3 Mev, D2 tuned for 4.9 MeV