Daily Run Plan
Here are details of the daily run plan. See also the global Run Plan. The person responsible should ensure that
a crew of experts is available for the shift. This schedule will be updated frequently by the Run Coordinator
as the situation on the ground changes.
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)
|
|
| 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
|
done
|
| 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
|
- Optics (Liyanage)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)
|
| 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
|
|
| 3/25
|
Swing
|
- Parity Quality commissioning (Kent, Rupesh, Luis, Dustin)
- Beam monitor calibrations (Diancheng Wang, Xiaoyan Deng)
|
|
| 3/26
|
Owl
|
- High Luminosity Detector Commissioning
|
|
| 3/26
|
Day
|
|
postponed
|
| 3/26
|
Swing
|
- High Current on C12 (thick and thin)
|
|
| 3/27
|
Owl
|
- Finish the commissioning of thick Pb target (Bob, Ahmed)
|
|
| 3/27
|
Day
- Electronic Commissioning (KK, Luis, Paul et al)
|
|
| 3/27
|
Swing
- Establishing Parity Measurements, IA feedback, beam modulation (Kent, Rupesh)
|
|
| 3/28
|
Owl
- Initial Q2 measauremetnts on thick Pb (Bob)
|
|
| 3/28
|
Day
- High Luminosity Detector Commissioning (Paul, Kent, KK, Luis)
|
|
| 3/28
|
Swing
- Continue High Luminosity Commissioning
|
|
| 3/29
|
Owl
|
|
| 3/29
|
Day
- Open Hall A to Setup Moller and Compton
|
|
| 3/29
|
Swing
- First Moller Commissioning
|
|
| 3/30
|
Owl
|
|
|
| 3/30
|
Day
|
|
|
