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User name O. Glamazdin
Log entry time 22:57:06 on November 24, 2009
Entry number 302364
keyword=Moller resultsMoller results on November 24 15:30 - 22:40
- Crew: O.Glamazdin, Brad Sawatzky
- Wien filter angle is 74.73°
- The raster was ON. The half wave plate was OUT.
- 16:20 - 17:05 Controlled access to reboot Moller DAQ crates
- Beam current was 1uAmp to use ARC2 energy lock. Due to that the beam polarization was measured with targets 4 and 5 only.
- Beam energy was stable and close to PVDIS running beam energy. Spin precession correction has to be done for runs 13923-13926.
- Runs 13916-13918 - No Aperture counters - FADC test.
- Runs 13919-13922 - Left234*Right678 - Levchuk-effect test
- Runs 13923-13926 Slit=16.25 Attenuator=120 - Slit/Attenuator dependence test (Hall A Laser Phase)
| # | Wien angle | beam | runs | target | Ptarget% | Pbeam% | comments |
|---|---|---|---|---|---|---|---|
| 1 | 74.73° | 1.0 µA | 13902-13907 | 5 | 8.02 | 87.03±0.2±2.0 | Slit=27.35 Att=73 |
| 2 | 74.73° | 1.0 µA | 13908-13913 | 4 | 7.51 | 86.92±0.2±2.0 | |
| 3 | 74.73° | 1.0 µA | 13916-13918 | 4 | 7.51 | 86.92±0.2±2.0 | NoAppCounters |
| 4 | 74.73° | 1.0 µA | 13919-13922 | 4 | 7.51 | 87.53±0.3±2.0 | Levchuk test |
| 5 | 74.73° | 1.0 µA | 13923-13926 | 4 | 7.51 | 86.35±0.2±2.0 | Slit=16.3 Att=120 |
| Aver 1-2 | 74.73° | - | - | - | - | 86.97±0.1±2.0 | Targets 4-5 |
A copy of this log entry has been emailed to: gen@jlab.org, saha@jlab.org, brads@jlab.org, doug@jlab.org
Figure 1
Figure 2 Strip Chart for Moller
Figure 3 Hall A beam energy
