HRRL 03-17-2011: Difference between revisions
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=== 20 mA, Positive Current, X projection === | === 20 mA, Positive Current, X projection === | ||
[[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 | |||
[[HRRL_Emittance_Measurements_March14-18-2011]] | [[HRRL_Emittance_Measurements_March14-18-2011]] | ||
Revision as of 04:34, 14 April 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 | 
|
| e- Beam Energy | 14 MeV
|
Calibration
| image | OTR image | cal_h (mm/px) | cal_v (mm/px) |
 |
 |
0.04308 | 0.04204 |
 |
 |
0.04320 | 0.04228 |
 |
 |
0.04349 | 0.04181 |
 |
 |
0.04323 | 0.04196 |
 |
 |
0.04337 | 0.04212 |
| mean (mm/px) | mean (mm/px) | ||
| [math]\displaystyle{ 0.04327 \pm 0.00016 }[/math] | [math]\displaystyle{ 0.04204 \pm 0.00018 }[/math] |
Results
Q1
42 mA, Positive Current, X projection
emit=0.389 +- 0.001 mm*mrad, emit_norm=10.658 +- 0.034 mm*mrad
beta=1.28826 +- 0.00004, alpha=0.9378 +-0.0007
42 mA, Negative Current, Y projection
emit=0.269 +- 0.001 mm*mrad, emit_norm=7.370 +- 0.024 mm*mrad
beta=0.9271 +- 0.0001, alpha=0.1922 +-0.0005
20 mA, Positive Current, X projection
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