|
|
| Line 284: |
Line 284: |
| | | Owl | | | Owl |
| | | | | | |
| − | *Scans of Septum and quad Q1 for tunes A and B. | + | *Scans of Septum and quad Q1 for tunes A and B. (Bob) |
| | *Beam Studies of Helicity Correlations | | *Beam Studies of Helicity Correlations |
| | | | | | |
| Line 297: |
Line 297: |
| | | Swing | | | Swing |
| | | | | | |
| − | *Moller Commissioning (Sasha, Javier, Roman, Jay) | + | *Either or both of these: |
| | + | * a) Moller Commissioning (Sasha, Javier, Roman, Jay) |
| | + | * b) Tests of Dithering and other Beam-Related things (Kent, Rupesh) |
| | | | | | |
| | |- | | |- |
| Line 303: |
Line 305: |
| | | Owl | | | Owl |
| | | | | | |
| − | *Possible fine-tuning of HRS tune. | + | *Beam and Septum scan with new tune |
| − | *A_T hole study
| + | |
| | *Helicity-correlated beam studies | | *Helicity-correlated beam studies |
| | | | | | |
| Line 311: |
Line 312: |
| | | Day | | | Day |
| | | | | | |
| − | *Beam Tuning (MCC) - or - | + | *One of these: |
| − | *Access to work on Compton (TBD) | + | * a) Beam Tuning (MCC) |
| | + | * b) Access to work on Moller or Compton |
| | + | * c) Moller Commissioning |
| | | | | | |
| | |- | | |- |
| Line 318: |
Line 321: |
| | | Swing | | | Swing |
| | | | | | |
| − | *Moller Commissioning | + | * |
| | | | | | |
| | |- | | |- |
| Line 326: |
Line 329: |
| | *Assuming the HRS tune has been frozen | | *Assuming the HRS tune has been frozen |
| | *Check detector alignment | | *Check detector alignment |
| | + | *A_T studies |
| | *Q<sup>2</sup> Measurements | | *Q<sup>2</sup> Measurements |
| | | | | | |
| Line 332: |
Line 336: |
| | | Day | | | Day |
| | | | | | |
| − | *Access to work on Compton | + | *| |
| − | | | + | |
| | |- | | |- |
| | | 4/2 | | | 4/2 |
| | | Swing | | | Swing |
| | | | | | |
| − | *Moller Commissioning | + | *Moller Commissioning ? |
| | | | | | |
| | |- | | |- |
Daily Run Plan for PREX (latest at bottom)
| Date (2010) |
Shift |
---------- Activity (Responsible) ---------- |
--- Status ---
|
| 03/19
|
Day
|
pump down; Møller, Compton, septum install; Q2 repair
Insert sieve. (Techs)
|
done
|
| 03/19
|
Swing
|
Beam restore (B-team)
|
done
|
| 03/20
|
Owl
|
- Septum checkout (Michaels: Page when beam imminent & spectrometer ready)
also:
- Initial look at low current cavity monitors (Zafar: Page when beam imminent & spectrometer ready)
- Target alignment (Michaels)
- VDC checkout (Michaels)
- Quartz detectors checkout (McNulty, Wexler -- page when VDC tracks seen)
- GEM checkout (Camsonne -- page when VDC tracks seen, if left dipole is operating)
|
done
All at 1-2 µA.
Scattered energy ~ beam energy = 1.063 GeV.
Quad settings:
- Right arm:
- Q1: dI/dP= 411.2474 Amps/GeV/c
- Q2: dI/dP= 436.2014 Amps/GeV/c
- Q3: dI/dP= 433.3897 Amps/GeV/c
- Left Arm:
- Q1: dI/dP= 419.8772 Amps/GeV/c
- Q2: dI/dP= 435.6273 Amps/GeV/c
- Q3: dI/dP= 434.9682 Amps/GeV/c
"Usual" polarity
|
| 03/20
|
Day
|
Beam off & hall open 9:00 am
Quads repair; Compton install; GEM install; signals debugging. Leave sieves in. (Techs)
|
done
|
| 03/20
|
Swing
|
- Close up hall
- Benesch tuning (1/2 - 2 hours)
- Verify quad polarities (Camsonne)
- Cavity monitors basic function test (Zafar)
- Low current cavity monitors setup (Musson, Zafar)
|
done
|
| 3/21
|
Owl
|
- Low current cavity monitors setup (Musson, Zafar)
- Access for GEM installation (Camsonne)
|
done but GEMs not ready
|
| 3/21
|
Day
|
- Spectrometer checkout:
- Quartz detectors checkout (McNulty, Wexler)
- Lumi checkout (Mercado) (2 µA on Ta)
- GEM checkout (Camsonne?)
- A line tuning (Benesch)
- Raster checkout
- Access:
- Low current cavities
- Target position
- Quartz
- Scintillator alignment
- LQ2
|
done
|
| 3/21
|
Swing
|
- Low current cavity monitors setup (Michaels, Zafar)
- Remove sieves
- Initial look at sieve out data
- Replace sieves
|
done
|
| 3/22
|
Owl
|
- Pointing measurement (Riordan)
- Remove sieves
- Repeat pointing measurements with no sieves
- If done or unable to continue before 4 am page Luis Mercado to do lumi checks
- After 4 am page Dustin McNulty for detector work
|
done
|
| 3/22
|
Day
|
Sieve OUT. NB Current limit 2 uA!
|
done
|
| 3/22
|
Swing
|
- Optics continued, sieve IN. NB Current limit 2 uA! (Shift Crew)
|
done
|
| 3/23
|
Owl
|
- Quartz detectors resolution studies (KK, Dustin, John W)
- Lumi studies (Luis)
|
|
| 3/23
|
Day
|
- Remove water target. (Target, Techs)
- Reconfigure Moller cryo.
- Beam studies ~ 2pm, study of helicity correlated position differences for spin flipper states. (Dalton, Rupesh, Reza)
|
water cell removed, rest not finished
|
| 3/23
|
Swing
|
|
done
|
| 3/24
|
Owl
|
|
done
|
| 3/24
|
Day
|
|
done
|
| 3/24
|
Swing
|
- Tune high current beam into Hall A
|
done
|
| 3/25
|
Owl
|
- Commission lead target, 50 uA (Bob)
- Lumis and oversampling tests (KK, Luis, Paul)
|
in progress
|
| 3/25
|
Day
|
- Access to fix left dipole
|
done
|
| 3/25
|
Swing
|
- Parity Quality commissioning (Kent, Rupesh, Luis, Dustin)
- Beam monitor calibrations (Diancheng Wang, Xiaoyan Deng)
|
postponed
|
| 3/26
|
Owl
|
- High Luminosity Detector Commissioning
|
in progress
|
| 3/26
|
Day
|
|
postponed
|
| 3/26
|
Swing
|
- High Current on C12 (thick and thin)
|
partly done
|
| 3/27
|
Owl
|
|
no beam
|
| 3/27
|
Day
|
|
no beam
|
| 3/27
|
Swing
|
- High-current on thick C12, adjust HV (Luis or Bob)
- Finish the commissioning of thick Pb target (Bob, Ahmed)
- Electronic Commissioning (KK, Luis, Paul, Jon et al)
|
done, high-current tests continue
|
| 3/28
|
Owl
|
- Continue with the above, if necessary.
- High Luminosity Commissioning (Rupesh, Luis, Jon, Bob)
- BCM/BPM calibration (Rupesh)
- Establishing Parity Measurements, Charge feedback, blinding (Rupesh, Jon)
|
not finished
|
| 3/28
|
Day
|
- Comparison Study of Optics Tunes (Seamus, Nilanga, Kiad)
- Sometime before Monday, submit the ATLIS plan for Dithering test (Rupesh)
|
done
|
| 3/28
|
Swing
|
- Continue Optics if necessary.
- Continue High Luminosity Commissioning
|
done
|
| 3/29
|
Owl
|
- Mini-production run (shift crew)
- Stop beam at 07:00 or whenever Ed Folts asks to.
|
done
|
| 3/29
|
Day
|
- Open Hall A to set up Moller and Compton (Ed Folts, Sasha, Sirish, et.al.)
- Work on GEMs (Alex, Seamus, et.al.)
- MCC to do beam studies while Hall A open
- Detector linearity/LED tests (Luis)
- Setup WAC analysis (Mark, Mindy)
|
done
|
| 3/29
|
Swing
|
- Moller magnet cooldown
- Optics and acceptance studies (Seamus, Ahmed, Nilanga)
|
done
|
| 3/30
|
Owl
|
- Commission charge feedback (Mark)
- Current monitor calibration and pedestals determination (Mark)
- Quasi-production on Empty Target (owl shift crew)
|
done
|
| 3/30
|
Day
|
- Access do work on Moller and Compton.
- Some GEM installation work. (Alex, Seamus, Kiad, Nilanga)
- Possible linearity/LED study. (Luis)
|
|
| 3/30
|
Swing
|
- First Commissioning of Moller -- Beam Checks (Sasha, Javier, Roman, Jay)
|
|
| 3/31
|
Owl
|
- Scans of Septum and quad Q1 for tunes A and B. (Bob)
- Beam Studies of Helicity Correlations
|
|
| 3/31
|
Day
|
- Beam Tuning (Jay Benesch)
|
|
| 3/31
|
Swing
|
- Either or both of these:
- a) Moller Commissioning (Sasha, Javier, Roman, Jay)
- b) Tests of Dithering and other Beam-Related things (Kent, Rupesh)
|
|
| 4/1
|
Owl
|
- Beam and Septum scan with new tune
- Helicity-correlated beam studies
|
|
| 4/1
|
Day
|
- One of these:
- a) Beam Tuning (MCC)
- b) Access to work on Moller or Compton
- c) Moller Commissioning
|
|
| 4/1
|
Swing
|
|
|
| 4/2
|
Owl
|
- Assuming the HRS tune has been frozen
- Check detector alignment
- A_T studies
- Q2 Measurements
|
|
| 4/2
|
Day
|
|
| 4/2
|
Swing
|
|
|
| 4/3
|
Owl
|
|
|
| 4/3
|
Day
|
|
|
| 4/3
|
Swing
|
|
|
| 4/4
|
Owl
|
|
|
| 4/4
|
Day
|
|
|
| 4/4
|
Swing
|
|
|
| 4/5
|
Owl
|
|
|
