RunPlanDaily

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.

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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)	done, except linearity
3/30	Swing	First Commissioning of Moller -- Beam Checks (Sasha, Javier, Roman, Jay)	done
3/31	Owl	Scans of Septum and quad Q1 for tunes A and B. (Bob) Beam Studies of Helicity Correlations	done
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)	Moller was done
4/1	Owl	If Kent's tests not done on Swing, continue here. (Kent, Rupesh) Beam and Septum scan with new tune (Seamus) Helicity-correlated beam studies (Shift crew)	done
4/1	Day	Beam Tuning (Jay)
4/1	Swing	More beam tuning if necessary Moller Commissioning
Friday 2 April	Owl	Assuming the HRS tune has been frozen Check detector alignment A_T studies Q2 Measurements
Friday 2 April	Day	Tuning Beam for Compton
Friday 2 April	Swing	Compton Commissioning Parasitic Septum Checks, if possible
Saturday 3 April	Owl	A_T studies
Saturday 3 April	Day	Compton commissioning
Saturday 3 April	Swing	Moller commissioning
Sunday 4 April	Owl	Compton commissioning
Sunday 4 April	Day	If new tune settled, may do more optics here.
Sunday 4 April	Swing	Optics
Monday 5 April	Owl	Compton commissioning
Monday 5 April	Day	12:00 Set up vertical polarization and measure A_T
Monday 5 April	Swing	16:00 Spin dance 22:00 Set up horizontal polarization
Tuesday 6 April	Owl	Run horizontal polarization
Tuesday 6 April	Day	Run horizontal polarization
Tuesday 6 April	Swing
Wednesday 7 April	Owl
Wednesday 7 April	Day
Wednesday 7 April	Swing
Thursday 8 April	Owl
Thursday 8 April	Day
Thursday 8 April	Swing
Friday 9 April	Owl
Friday 9 April	Day
Friday 9 April	Swing
Saturday 10 April	Owl
Saturday 10 April	Day
Saturday 10 April	Swing
Sunday 11 April	Owl
Sunday 11 April	Day
Sunday 11 April	Swing
Monday 12 April	Owl
Monday 12 April	Day
Monday 12 April	Swing