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User name Sasha
Log entry time 23:55:36 on April 10, 2012
Entry number 372508
keyword=Moller resultsMoller results on April 10 19:25 - 23:35
- Crew: Sasha, Roman, Vadym, Jixie
- Beam energy was 1.70669GeV(set point)?.
- Helicity frequency 960Hz, 8 Windows Qartet.
- Wien filter angle is 90.0 88.712, -49.6°
- The raster was OFF. The half wave plate was IN. Passive HWP was IN.
- Beam tuning took ~1 hour.
- Runs 15295-15303 - detector HV tunning
- Runs 15304-15313 - beam polarization measurement (Target 2).
- Runs 15314-15317 - bleed-through measurement Hall A laser OFF, slit is -1.0(full open)
- Runs 15318-15327 - Q1 scan (50nA)
- Runs 15328-15335 - Q3 scan (50nA)
| # | Wien angle | beam | runs | target | Pbeam% | comments |
|---|---|---|---|---|---|---|
| 1 | -49.6° | 0.1 µA | 15304-15313 | 2 | -88.18±0.30 | Slit=14.0 |
| 2 | -49.6° | 0.0 µA | 15314-15317 | 2 | -2.6±2.6 | Hall A laser OFF, Slit=-1.0 |
A copy of this log entry has been emailed to: gen@jlab.org, gomez@jlab.org
Figure 1
Figure 2
