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.

---

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	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
3/26	Day	Moller Checkout	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, Jon et al)
3/27	Swing	Establishing Parity Measurements, IA feedback, beam modulation (Kent, Rupesh) High Luminosity Commissioning, cont.
3/28	Owl	Initial Q2 measurements on thick Pb (Bob, Dustin)
3/28	Day	Comparison Study of Optics Tunes (Seamus, Nilanga, Kiad)
3/28	Swing	Continue High Luminosity Commissioning
3/29	Owl	Mini-production run (shift crew) Stop beam at 06:30.
3/29	Day	Open Hall A to Setup Moller and Compton
3/29	Swing	First Moller Commissioning (Sasha)
3/30	Owl	Parity-Quality Beam Setup (Kent, Rupesh, Mark)
3/30	Day	Possible work in Hall ... TBD