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)	done
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)	done
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)	done, successful
4/1	Swing	More beam tuning if necessary Moller Commissioning	done
Friday 2 April	Owl	Assuming the HRS tune has been frozen Check detector alignment A_T studies Q2 Measurements	partly done, needs more work
Friday 2 April	Day	Tuning Beam for Compton	done
Friday 2 April	Swing	20:00 Obtain sieve runs (optics mini-run plan), Q2 measurements (Bob)	done, but not Q2
Saturday 3 April	Owl	Obtain sieve runs on Ta (Nilanga mini-run plan) Put in Lead target at low current and do counting-mode runs (Rupesh, Ahmed) Integrate-mode with Lead at 2 or 3 uA (Luis, Jon)	done
Saturday 3 April	Day	Moller Commissioning (priority activity) Work on getting into production mode (Mark, Rupesh)	done, but not yet in prod.
Saturday 3 April	Swing	Moller commissioning	done
Sunday 4 April	Owl	Counting data on tune Y (right arm) super-thin carbon Change to tune B Integrate-mode with Lead at 2 or 3 uA (Luis, Jon)	done
Sunday 4 April	Day	Integrate-mode with thick carbon 50 uA Compton QWP1 calibration.	done
Sunday 4 April	Swing	General Compton commissioning and pseudo-production (empty target) parity data at 50 uA.	done
Monday 5 April	Owl	pseudo-production (empty target) parity data and Compton data at 50 uA.	done
Monday 5 April	Day	12:00 Jay to run optics test (~ 30 mins) Moller Spin Dance Set up vertical polarization and measure A_T	done
Monday 5 April	Swing	Continue to setup up vertical polarization Measurements of A_T on Pb and C12	done
Tuesday 6 April	Owl	Continue measurements of A_T on Pb and C12	partly done
Tuesday 6 April	Day	Possible horizontal scan: Tune B with sieve slit (Seamus) When ready: Relocate Quartz Detectors (Dustin, Jack)	postponed: vacuum problems
Tuesday 6 April	Swing	In restricted access. Any activities that require access. Shift canceled
Wednesday 7 April	Owl	Shift cancelled
Wednesday 7 April	Day	Shift cancelled Investigate target vacuum problem Move quartz detectors (Dustin, Jack)	Leak found at O-ring connection between target chamber and collimator box
Wednesday 7 April	Swing	Shift cancelled
Thursday 8 April	Owl	Shift cancelled
Thursday 8 April	Day	Shift cancelled	Target chamber open, found that the 4th foil in Optics target blown off
Thursday 8 April	Swing	Shift cancelled
Friday 9 April	Owl	Shift cancelled
Friday 9 April	Day	To be determined. When ready: Install GEMs
Friday 9 April	Swing	Cancelled
Saturday 10 April	Owl	Cancelled
Saturday 10 April	Day	Cancelled
Saturday 10 April	Swing	Cancelled
Sunday 11 April	Owl	Cancelled
Sunday 11 April	Day	Cancelled
Sunday 11 April	Swing	Cancelled
Monday 12 April	Owl	Cancelled
Monday 12 April	Day	Cancelled
Monday 12 April	Swing	Cancelled
Tuesday 13 April	Owl	Cancelled
Tuesday 13 April	Day	Cancelled
Tuesday 13 April	Swing	Cancelled
Wednesday 14 April	Owl	Cancelled
Wednesday 14 April	Day	Cancelled -- no shift workers (might need a TO) Target pump down and leak checking. When ready, begin target cooldown.
Wednesday 14 April	Swing	Target cooldown
Thursday 15 April	Owl	Beam restore in Hall A When ready, begin PREX recovery program: Check alignment of collimator. Check temperature vs beam current. Check alignment of PREX quartz detector. Check alignment of sieve slits, verify they did not change. Check alignment of Pb/diamond target and optimal raster size.
Thursday 15 April	Day	Continue the above if necessary Start production
Thursday 15 April	Swing	Production Possible Moller
Friday 16 April	Owl	Production
Friday 16 April	Day	Production
Friday 16 April	Swing	Production
Saturday 17 April	Owl	Production
Saturday 16 April	Day	Production
Saturday 16 April	Swing	Production
Sunday 18 April	Owl	Production
Sunday 18 April	Day	Production
Sunday 18 April	Swing	Production
Monday 19 April	Day	Production
Monday 19 April	Owl	Production
Monday 19 April	Day	Production
Tuesday 20 April	Owl	Production
Tuesday 20 April	Day	Production
Wednesday 21 April	Owl	Production
Wednesday 21 April	Day	Production
Thursday 22 April	Owl	Production
Thursday 22 April	Day	Production
Thursday 22 April	Swing	Production