Difference between revisions of "HRRL 03-17-2011"

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[[File:HRRL 03-17-2011_Results_Q1_42mA_Pos_SupGau_Y.png | 300 px]]
 
[[File:HRRL 03-17-2011_Results_Q1_42mA_Pos_SupGau_Y.png | 300 px]]
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 +
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=== 20 mA, Positive Current, X projection ===
 
=== 20 mA, Positive Current, X projection ===
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[[File:HRRL 03-17-2011_Results_Q1_20mA_Pos_SupGau_X.png | 300 px]]
 
[[File:HRRL 03-17-2011_Results_Q1_20mA_Pos_SupGau_X.png | 300 px]]
  
emit=0.447 +- 0.001 mm*mrad, emit_norm=12.255 +- 0.040 mm*mrad
 
 
beta=1.31512 +- 0.00000, alpha=1.0949 +-0.0007
 
  
  
Line 94: Line 96:
  
  
emit=0.231 +- 0.001 mm*mrad, emit_norm=6.334 +- 0.020 mm*mrad
 
 
beta=0.661930 +- 0.000000, alpha=0.06386 +-0.00034
 
  
 
=== 10 mA, Positive Current, X projection ===
 
=== 10 mA, Positive Current, X projection ===
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[[File:HRRL 03-17-2011_Results_Q1_10mA_Pos_SupGau_X.png | 300 px]]
 
[[File:HRRL 03-17-2011_Results_Q1_10mA_Pos_SupGau_X.png | 300 px]]
  
emit=0.489 +- 0.002 mm*mrad, emit_norm=13.408 +- 0.043 mm*mrad
 
 
beta=1.30289 +- 0.00000, alpha=1.1231 +-0.0007
 
  
  
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[[File:HRRL 03-17-2011_Results_Q1_5mA_Pos_SupGau_X.png | 300 px]]
 
[[File:HRRL 03-17-2011_Results_Q1_5mA_Pos_SupGau_X.png | 300 px]]
 
emit=0.556 +- 0.002 mm*mrad, emit_norm=15.230 +- 0.049 mm*mrad
 
 
beta=1.36924 +- 0.00000, alpha=1.1625 +-0.0007
 
  
  
 
[[File:HRRL 03-17-2011_Results_Q1_5mA_Pos_SupGau_Y.png | 300 px]]
 
[[File:HRRL 03-17-2011_Results_Q1_5mA_Pos_SupGau_Y.png | 300 px]]
 
emit=0.537 +- 0.002 mm*mrad, emit_norm=14.705 +- 0.047 mm*mrad
 
 
beta=1.859428 +- 0.000000, alpha=0.21834 +-0.00097
 
  
  
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x-projection:
 
x-projection:
 
emit=0.156 +- 0.001 mm*mrad, emit_norm=4.280 +- 0.014 mm*mrad
 
 
beta=0.75384 +- 0.00000, alpha=1.1587 +-0.0004
 
  
  
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y-projection:
 
y-projection:
  
emit=0.110 +- 0.000 mm*mrad, emit_norm=3.000 +- 0.010 mm*mrad
 
 
beta=0.914334 +- 0.000000, alpha=-0.33329 +-0.00048
 
  
  
 
[[HRRL_Emittance_Measurements_March14-18-2011]]
 
[[HRRL_Emittance_Measurements_March14-18-2011]]

Revision as of 04:05, 10 May 2011

Accelerator Tuning

Good Tune Used for good Scan

By Dr. Kim

Solenoid 1 6.8 A
Solenoid 2 10.4 A
Gun Ver -0.2 A
Gun Hor +0.4 A
Output Hor -1.4A
Output Ver -0.5 A
Gun HV +9.75 (Knob Setting)
Gun Grid Voltage 5.25 (Knob Setting)
RF frequency 2855.816 MHz
Modulator HV Power Supply 4.42 (Knob Setting)
RF macro Pulse Length (FWHM) 200 ns
Peak Current on FC 37.2 mAmps
Scope on FC Scope image of good Accelarator setting by Dr. Kim Mar 17 2011.png
e- Beam Energy 14 MeV



Calibration

image OTR image cal_h (mm/px) cal_v (mm/px)
HRRL 03-17-2011 cal 1 source.png HRRL 03-17-2011 cal 1.png 0.04308 0.04204
HRRL 03-17-2011 cal 2 source.png HRRL 03-17-2011 cal 2.png 0.04320 0.04228
HRRL 03-17-2011 cal 3 source.png HRRL 03-17-2011 cal 3.png 0.04349 0.04181
HRRL 03-17-2011 cal 4 source.png HRRL 03-17-2011 cal 4.png 0.04323 0.04196
HRRL 03-17-2011 cal 5 source.png HRRL 03-17-2011 cal 5.png 0.04337 0.04212
mean (mm/px) mean (mm/px)
[math] 0.04327 \pm 0.00016 [/math] [math] 0.04204 \pm 0.00018 [/math]


Results

Q1

At lower current background subtraction gets worse, because singal/noise drops.

42 mA, Positive Current, X projection

emit=0.388 +- 0.008 mm*mrad, emit_norm=10.64 +- 0.22 mm*mrad

beta=1.285 +- 0.024, alpha=0.94 +-0.03

HRRL 03-17-2011 Results Q1 42mA Pos SupGau X.png

42 mA, Negative Current, Y projection

emit=0.266 +- 0.018 mm*mrad, emit_norm=7.30 +- 0.50 mm*mrad

beta=0.918 +- 0.068, alpha=0.19 +-0.06

HRRL 03-17-2011 Results Q1 42mA Pos SupGau Y.png




20 mA, Positive Current, X projection

HRRL 03-17-2011 Results Q1 20mA Pos SupGau X.png


HRRL 03-17-2011 Results Q1 20mA Pos SupGau Y.png


10 mA, Positive Current, X projection

HRRL 03-17-2011 Results Q1 10mA Pos SupGau X.png


HRRL 03-17-2011 Results Q1 10mA Pos SupGau Y.png


emit=0.325 +- 0.001 mm*mrad, emit_norm=8.896 +- 0.029 mm*mrad

beta=1.319524 +- 0.000000, alpha=-0.05069 +-0.00069


5 mA, Positive Current, X projection

HRRL 03-17-2011 Results Q1 5mA Pos SupGau X.png


HRRL 03-17-2011 Results Q1 5mA Pos SupGau Y.png


Q4

42 mA All Other Quads off

Haven't reach minimum.

42 mA Q1_at_-2A, Q2_at_+8A, Q3_at_-6A

HRRL 03-17-2011 Results Q4 42mA T1 On Pos SupGau X.png

x-projection:


HRRL 03-17-2011 Results Q4 42mA T1 On Pos SupGau Y.png

y-projection:


HRRL_Emittance_Measurements_March14-18-2011