Difference between revisions of "RunPlanDaily"

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| Owl
 
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*Scans of Septum and quad Q1 for tunes A and B.
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*Scans of Septum and quad Q1 for tunes A and B. (Bob)
 
*Beam Studies of Helicity Correlations
 
*Beam Studies of Helicity Correlations
 
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| Swing
 
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*Moller Commissioning (Sasha, Javier, Roman, Jay)
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*Either or both of these:
 +
* a) Moller Commissioning (Sasha, Javier, Roman, Jay)
 +
* b) Tests of Dithering and other Beam-Related things (Kent, Rupesh)
 
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| Owl
 
| Owl
 
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*Possible fine-tuning of HRS tune.
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*Beam and Septum scan with new tune
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*A_T hole study
 
 
*Helicity-correlated beam studies
 
*Helicity-correlated beam studies
 
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| Day
 
| Day
 
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*Beam Tuning (MCC) - or -
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*One of these:
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*Access to work on Compton (TBD)
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* a) Beam Tuning (MCC)  
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* b) Access to work on Moller or Compton  
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* c) Moller Commissioning
 
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*Moller Commissioning
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*Assuming the HRS tune has been frozen
 
*Assuming the HRS tune has been frozen
 
*Check detector alignment
 
*Check detector alignment
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*A_T studies
 
*Q<sup>2</sup> Measurements  
 
*Q<sup>2</sup> Measurements  
 
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*Access to work on Compton
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*Moller Commissioning
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*Moller Commissioning ?
 
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Revision as of 16:15, 30 March 2010

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)

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
  • 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)
 water cell removed, rest not finished
3/23 Swing
  • Target pumpdown
 done
3/24 Owl
  • Target pumpdown
 done
3/24 Day
  • Target cooldown
 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
  • Moller Checkout
 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
  • Moller Commissioning ?
4/3 Owl
  • Production Checkout
4/3 Day
4/3 Swing
4/4 Owl
4/4 Day
4/4 Swing
4/5 Owl
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