Search/Navigation:
Related:
SLAC/EPP/HPS Public
Jefferson Lab/Hall B/HPS Run Wiki
S30XL-LESA/LDMX
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Collimator scattering at JLab - link
Pre-NLCTA beam test slides from Pelle - link
Summary of results from beam test from Pelle - link
Sensor probing results in lab - link
Calibration and lab tests after pulling wirebonds from Omar - link
10pC:
100pC:
Beam spot for one of them as example:
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10:37
Move in foils one by one and observe beam spot on phosphor screen. Picture and extracted spot size at each thickness can be seen below. The screen is about 75cm downstream of the exit window.
# foils | Tiff | FWHM |
---|---|---|
0 |
| |
1 |
| |
2 |
| |
3 |
| |
4 |
| |
5 |
| |
6 |
|
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Runs taken, all at 6 foils:
Time | Bunch charge (pC) | ADC1 | Bias (V) | Ileak (uA) |
---|---|---|---|---|
~11:00 | ?~0.001 | - | 180 | 10 |
11:36 | 1.0 | 0.002 | 180 | 17 |
| 1.0 | 0.002 | 250 | 22 |
| 1.0 | 0.002 | 350 | 22 |
| 1 | 0.002 | 400 | 38 |
| 1 | 0.002 | 500 | 21 |
12:00 | 10 | 0.01 | 180 | 6 |
| 10 | 0.01 | 350 | 7 |
| 10 | 0.01 | 500 | 50 |
| 100 | 0.135 | 180 | 7 |
| 100 | 0.135 | 250 | 6 |
| 100 | 0.135 | 350 | 14 |
11:36
Everything looks ok for 1pC setting.
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Baseline taken at 180V, after irradiating with 100 pC at 350V:
Baseline taken at 180V in group C:
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Manual
Serial: 9600 8N1unmigrated-wiki-markup
Common commands:
"measure?" - returns \ [voltage, current, \ ]
"source:voltage?" - returns voltage
"source:voltage 10" - set to 10 V
"output on" - output on
"output?" - returns 1 for on, 0 for off
"source:voltage:range up/down" - change range for voltage setting
Manual
Serial:
Common commands:
"SOUT000" - enable output
"SOUT001" - disable output
"VOLT00XY.Z" - sets voltage to XY.Z Volts
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