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| Line 11: |
Line 11: |
| | |+ Daily Run Plan for PREX <font color="blue">(latest at bottom)</font> | | |+ Daily Run Plan for PREX <font color="blue">(latest at bottom)</font> |
| | ! Date (2010) !! Shift !!---------- Activity (Responsible) ----------!!--- Status --- | | ! Date (2010) !! Shift !!---------- Activity (Responsible) ----------!!--- Status --- |
| − | |-
| |
| − | | Monday 3 May
| |
| − | | Owl
| |
| − | |
| |
| − | * Production
| |
| − | |
| |
| − | |-
| |
| − | | Monday 3 May
| |
| − | | Day
| |
| − | |
| |
| − | * Hall B Pass change 3 -> 5 until ~1:00PM
| |
| − | * Compton vacuum, LHRS dipole UPS replacement during the down
| |
| − | * Bake compton chicane overnight during production, run beam straight through
| |
| − | * Return to PbD #2 production
| |
| − | * Large asymmetry run (Jon)
| |
| − | |
| |
| − | *
| |
| − | * Baking started, HRS work completed by Heidi
| |
| − | |-
| |
| − | | Monday 3 May
| |
| − | | Swing
| |
| − | |
| |
| − | * Production
| |
| − | |
| |
| − | |-
| |
| − | | Tuesday 4 May
| |
| − | | Owl
| |
| − | |
| |
| − | * Production
| |
| − | |
| |
| − | |-
| |
| − | | Tuesday 4 May
| |
| − | | Day
| |
| − | |
| |
| − | * Work on switch for Pockels cell (start 9:00AM)
| |
| − | * Complete Compton beam line bake-out, leak check, cavity alignment
| |
| − | |
| |
| − | * Pockels cell switch work complete
| |
| − | * Compton vacuum reopened
| |
| − | |-
| |
| − | | Tuesday 4 May
| |
| − | | Swing
| |
| − | |
| |
| − | * Production
| |
| − | |
| |
| − | * Continued Compton realignment/laser polarization measurement
| |
| − | |-
| |
| − | | Wednesday 5 May
| |
| − | | Owl
| |
| − | |
| |
| − | * Production
| |
| − | |
| |
| − | * Stopped work on Compton - still not complete
| |
| − | * Changed beam spot size to 200x200um
| |
| − | |-
| |
| − | | Wednesday 5 May
| |
| − | | Day
| |
| − | |
| |
| − | * 12 hours Moller tests, start 9:00AM (Sasha, Jixie)
| |
| − | |
| |
| − | |-
| |
| − | | Wednesday 5 May
| |
| − | | Swing
| |
| − | |
| |
| − | * Finish Moller tests, 21:00
| |
| − | * Raster clock tests 22:00-24:00 (KK, Bob, Jon)
| |
| − | * Production as per raster clock tests
| |
| − | |
| |
| − | |-
| |
| − | | Thursday 6 May
| |
| − | | Owl
| |
| − | |
| |
| − | * Production
| |
| − | |
| |
| − | |-
| |
| − | | Thursday 6 May
| |
| − | | Day
| |
| − | |
| |
| − | * Beam Studies (8 hours controlled access starting 08:15)
| |
| − | ** Finish Compton cavity work (Sirish, Abdurahim)
| |
| − | ** Start Compton pumping, replace leaky upstream valve? (John Heckman et al)
| |
| − | ** Remove GEM(s)?? (Alex, Kiad)
| |
| − | ** Compton Boron installation (Megan)
| |
| − | |
| |
| − | * Continued compton cavity alignment
| |
| − | * Boron installed
| |
| − | * INFN GEMs removed to EEL, (additional UVA GEM installed?
| |
| − | |-
| |
| − | | Thursday 6 May
| |
| − | | Swing
| |
| − | |
| |
| − | * Raster clock tests
| |
| − | * Production
| |
| − | |
| |
| − | * CHL trip
| |
| − | |-
| |
| − | | Friday 7 May
| |
| − | | Owl
| |
| − | |
| |
| − | * Raster clock tests (cont?)
| |
| − | * Production
| |
| − | |
| |
| − | * Tests aborted due to network switch failure in the hall
| |
| − | |-
| |
| − | | Friday 7 May
| |
| − | | Day
| |
| − | |
| |
| − | * Production
| |
| − | * Wien flip, QE scan, spot move (nominally 9:00AM)
| |
| − | |
| |
| − | * Wien flip, QE scan, spot move completed.
| |
| − | * Compton valve work continued until 2:00
| |
| − | * Started detector alignment checks
| |
| − | * Q<sup>2</sup> and establish low-current cavities (Dustin)
| |
| − | |-
| |
| − | | Friday 7 May
| |
| − | | Swing
| |
| − | |
| |
| − | * Tests by KK et al
| |
| − | * Production
| |
| − | |
| |
| − | |-
| |
| − | | Saturday 8 May
| |
| − | | Owl
| |
| − | |
| |
| − | * Production
| |
| − | |
| |
| − | |-
| |
| − | | Saturday 8 May
| |
| − | | Day
| |
| − | |
| |
| − | * Production
| |
| − | * 2:00PM - Turn off cavity baking
| |
| − | * 3:00PM - Leak check, turn on ion pumps
| |
| − | * 4:00PM - Routine Moller Measurement
| |
| − | |
| |
| − | * Compton vacuum reestablished
| |
| − | * Replaced valve opens with sufficient vacuum levels
| |
| − | |-
| |
| − | | Saturday 8 May
| |
| − | | Swing
| |
| − | |
| |
| − | * Moller
| |
| − | |
| |
| − | * Moller measurement gives 91% polarization
| |
| − | |-
| |
| − | | Sunday 9 May
| |
| − | | Owl
| |
| − | |
| |
| − | * Production
| |
| − | |
| |
| − | |-
| |
| − | | Sunday 9 May
| |
| − | | Day
| |
| − | |
| |
| − | * Compton ready?
| |
| − | * Production
| |
| − | |
| |
| − | * Cavity locks at 3kW!
| |
| − | * Valve upstream of chicane will not open
| |
| − | |-
| |
| − | | Sunday 9 May
| |
| − | | Swing
| |
| − | |
| |
| − | * Production
| |
| − | |
| |
| − | |-
| |
| − | | Monday 10 May
| |
| − | | Owl
| |
| − | |
| |
| − | * Production
| |
| − | |
| |
| − | * Left dipole down
| |
| − | * Compton valve stuck
| |
| − | |-
| |
| − | | Monday 10 May
| |
| − | | Day
| |
| − | |
| |
| − | * Fix left dipole
| |
| − | * Fix Compton valve
| |
| − | * Fix target vacuum
| |
| − | |
| |
| − | * Left dipole down
| |
| − | * Compton valve fixed and tested
| |
| − | * Target vacuum bad
| |
| − | |-
| |
| − | | Monday 10 May
| |
| − | | Swing
| |
| − | |
| |
| − | * Standby
| |
| − | * Empty or C target oversampling runs if valves can be opened
| |
| − | * 1-arm production if target vacuum < 5E-5
| |
| − | |
| |
| − | * Left dipole down
| |
| − | * Target vacuum bad
| |
| − | |-
| |
| − | | Tuesday 11 May
| |
| − | | Owl
| |
| − | |
| |
| − | * Standby
| |
| − | * Empty or C target oversampling runs if valves can be opened
| |
| − | * 1-arm production if target vacuum < 5E-5
| |
| − | |
| |
| − | |-
| |
| − | | Tuesday 11 May
| |
| − | | Day
| |
| − | |
| |
| − | * Wien flip
| |
| − | * Beam studies -- injector studies
| |
| − | * Raster setup
| |
| − | * Fix left dipole
| |
| − | * Fix target vacuum
| |
| − | |
| |
| − | |-
| |
| − | | Tuesday 11 May
| |
| − | | Swing
| |
| − | |
| |
| − | * Compton tune
| |
| − | * Oversampling tests
| |
| − | |
| |
| − | * Left dipole down
| |
| − | * Right dipole NMR down
| |
| − | * Target vacuum bad
| |
| − | |-
| |
| − | | Wednesday 12 May
| |
| − | | Owl
| |
| − | |
| |
| − | * Production
| |
| − | |
| |
| − | * Left dipole down
| |
| − | * Right dipole NMR down
| |
| − | * Target vacuum bad
| |
| − | |-
| |
| − | | Wednesday 12 May
| |
| − | | Day
| |
| − | |
| |
| − | * Repair left dipole PS
| |
| − | * Repair right dipole NMR
| |
| − | * Repair right Q3 bad bit
| |
| − | |
| |
| − | * Target vacuum bad
| |
| − | |-
| |
| − | | Wednesday 12 May
| |
| − | | Swing
| |
| − | |
| |
| − | * Standby
| |
| − | |
| |
| − | * Left dipole down
| |
| − | * Left Q3 controls problem
| |
| − | * Target vacuum bad
| |
| − | |-
| |
| − | | Thursday 13 May
| |
| − | | Owl
| |
| − | |
| |
| − | * Standby
| |
| − | |
| |
| − | * Left dipole down
| |
| − | * Left Q3 controls problem
| |
| − | * Target vacuum bad
| |
| − | |-
| |
| − | | Thursday 13 May
| |
| − | | Day
| |
| − | |
| |
| − | * Repair left dipole PS
| |
| − | * Repair left Q3 controls
| |
| − | * Find and stop target vacuum leak
| |
| − | * Warm up target
| |
| − | |
| |
| − | |-
| |
| − | | Thursday 13 May
| |
| − | | Swing
| |
| − | |
| |
| − | * Warm up target
| |
| − | |
| |
| − | |-
| |
| − | | Friday 14 May
| |
| − | | Owl
| |
| − | |
| |
| − | * Pump down target
| |
| − | |
| |
| − | |-
| |
| − | | Friday 14 May
| |
| − | | Day
| |
| − | |
| |
| − | * Pump down target
| |
| − | |
| |
| − | |-
| |
| − | | Friday 14 May
| |
| − | | Swing
| |
| − | |
| |
| − | * Cool target
| |
| − | * Re-establish beam
| |
| − | * Raster tests
| |
| − | |
| |
| − | * Target vacuum good
| |
| − | * Both spectrometers good
| |
| − | |-
| |
| − | | Saturday 15 May
| |
| − | | Owl
| |
| − | |
| |
| − | * Production
| |
| − | |
| |
| − | |-
| |
| − | | Saturday 15 May
| |
| − | | Day
| |
| − | |
| |
| − | * Access for left dipole regulation
| |
| − | |
| |
| − | * Left dipole regulation failed
| |
| − | * Target vacuum increase, then decrease with added heating
| |
| − | |-
| |
| − | | Saturday 15 May
| |
| − | | Swing
| |
| − | |
| |
| − | * Access for left dipole regulation
| |
| − | * Re-establish beam
| |
| − | * Møller
| |
| − | |
| |
| − | * Left dipole regulation bad
| |
| − | * Target vacuum varying, mostly < 1e5
| |
| − | |-
| |
| − | | Sunday 16 May
| |
| − | | Owl
| |
| − | |
| |
| − | * Møller
| |
| − | |
| |
| − | * Left dipole regulation bad
| |
| − | * Target vacuum varying, mostly < 1e5
| |
| − | |-
| |
| − | | Sunday 16 May
| |
| − | | Day
| |
| − | |
| |
| − | * Access for left dipole regulation
| |
| − | |
| |
| − | * Target vacuum varying, mostly < 1e5
| |
| − | |-
| |
| − | | Sunday 16 May
| |
| − | | Swing
| |
| − | |
| |
| − | * Production
| |
| − | * Background test (L PMTs on)
| |
| − | |
| |
| − | * Left dipole regulation bad
| |
| − | * Target vacuum varying, mostly < 1e5
| |
| − | |-
| |
| − | | Monday 17 May
| |
| − | | Owl
| |
| − | |
| |
| − | * Production
| |
| − | |
| |
| − | |-
| |
| − | | Monday 17 May
| |
| − | | Day
| |
| − | |
| |
| − | * Controlled Access for Left Dipole fix
| |
| − | * Moller refilled
| |
| − | |
| |
| − | * Left dipole working for now
| |
| − | * Suspect bad silicon-controlled rectifier (SCR)
| |
| − | * There are 12 needed and only 6 spares
| |
| − | * Looking for spares and will work during beam studies Tue.
| |
| − | |-
| |
| − | | Monday 17 May
| |
| − | | Swing
| |
| − | |
| |
| − | * Production with both arms!
| |
| − | |
| |
| − | |-
| |
| − | | Tuesday 18 May
| |
| − | | Owl
| |
| − | |
| |
| − | * Production (hopefully with both arms!)
| |
| − | |
| |
| − | * No Left Dipole issues all night
| |
| − | |-
| |
| − | | Tuesday 18 May
| |
| − | | Day
| |
| − | |
| |
| − | * Beam Studies, beginning 9am (8hrs)
| |
| − | * Wien Flip
| |
| − | * Maintenance on the Left Dipole Power supply
| |
| − | |
| |
| − | * Wien Flip completed before beam studies
| |
| − | * Beam studies completed
| |
| − | * Measurements performed on Left Dipole Power supply
| |
| − | |-
| |
| − | | Tuesday 18 May
| |
| − | | Swing
| |
| − | |
| |
| − | * Production
| |
| − | * Oversample tests (Rupesh)
| |
| − | |
| |
| − | * Compton not done
| |
| − | * Oversample tests not done
| |
| − | |-
| |
| − | | Wednesday 19 May
| |
| − | | Owl
| |
| − | |
| |
| − | * Production
| |
| − | * Oversample tests
| |
| − | |
| |
| − | * Oversample tests completed
| |
| − | |-
| |
| − | | Wednesday 19 May
| |
| − | | Day
| |
| − | |
| |
| − | * Compton Tuning (1-2hrs, start around 10am)
| |
| − | * Raster tests during 'target vacuum recovery'
| |
| − | * Production
| |
| − | |
| |
| − | * Injector tuning did not help Compton rates
| |
| − | * Jay and Yan are asking for advice
| |
| − | * Compton tuning during beam studies tomorrow
| |
| − | |-
| |
| − | | Wednesday 19 May
| |
| − | | Swing
| |
| − | |
| |
| − | * Production
| |
| − | * Q2 and detector alignment (2-3hrs, around 8pm)
| |
| − | |
| |
| − | * short Q2 measurement
| |
| − | * Target vacuum tripped valves closed -> no beam
| |
| − | |-
| |
| − | | Thursday 20 May
| |
| − | | Owl
| |
| − | |
| |
| − | * Production
| |
| − | |
| |
| − | * No beam - target operator only
| |
| − | |-
| |
| − | | Thursday 20 May
| |
| − | | Day
| |
| − | |
| |
| − | * Beam Studies (start at 8:30am, afternoon for Compton tuning)
| |
| − | * Some measurements on left dipole power supply by Jack in Hall
| |
| − | * Production
| |
| − | |
| |
| − | * Compton tuning needs to be rescheduled
| |
| − | * Jack did some work in hall
| |
| − | |-
| |
| − | | Thursday 20 May
| |
| − | | Swing
| |
| − | |
| |
| − | * Canceled
| |
| − | | We lost the target vacuum. Will need to warm up target and replace O-ring after letting radiation subside. Plan to replace O-ring on Monday May 24.
| |
| − | |-
| |
| − | | Friday 21 May
| |
| − | | Owl
| |
| − | |
| |
| − | * Canceled
| |
| − | |
| |
| − | |-
| |
| − | | Friday 21 May
| |
| − | | Day
| |
| − | |
| |
| − | * Canceled
| |
| − | |
| |
| − | |-
| |
| − | | Friday 21 May
| |
| − | | Swing
| |
| − | |
| |
| − | * Canceled
| |
| − | |
| |
| − | |-
| |
| − | | Saturday 22 May
| |
| − | | Owl
| |
| − | |
| |
| − | * Canceled
| |
| − | |
| |
| − | |-
| |
| − | | Saturday 22 May
| |
| − | | Day
| |
| − | |
| |
| − | * Canceled
| |
| − | |
| |
| − | |-
| |
| − | | Saturday 22 May
| |
| − | | Swing
| |
| − | |
| |
| − | * Canceled
| |
| − | |
| |
| − | |-
| |
| − | | Sunday 23 May
| |
| − | | Owl
| |
| − | |
| |
| − | * Canceled
| |
| − | |
| |
| − | |-
| |
| − | | Sunday 23 May
| |
| − | | Day
| |
| − | |
| |
| − | * Canceled
| |
| − | |
| |
| − | |-
| |
| − | | Sunday 23 May
| |
| − | | Swing
| |
| − | |
| |
| − | * Canceled
| |
| − | |
| |
| − | |-
| |
| − | | Monday 24 May
| |
| − | | Owl
| |
| − | |
| |
| − | * Canceled
| |
| − | |
| |
| − | |-
| |
| − | | Monday 24 May
| |
| − | | Day
| |
| − | |
| |
| − | * Various tests
| |
| − | **Pedestal runs
| |
| − | **linearity studies
| |
| − | **detector time constant tests
| |
| − | **GEM studies
| |
| − | * Target repairs - replace o-ring with silicon one temporarily
| |
| − | * Keep target warm and pump down
| |
| − | * Leak check
| |
| − | |
| |
| − | |-
| |
| − | | Monday 24 May
| |
| − | | Swing
| |
| − | |
| |
| − | * Pedestal runs
| |
| − | |
| |
| − | |-
| |
| − | | Tuesday 25 May
| |
| − | | Owl
| |
| − | |
| |
| − | * Canceled
| |
| − | |
| |
| − | |-
| |
| − | | Tuesday 25 May
| |
| − | | Day
| |
| − | |
| |
| − | * Beam Studies (until between 10am and noon)
| |
| − | * Pedestal runs
| |
| − | |Kalres O-ring installed ahead of schedule. Pumping down.
| |
| − | |-
| |
| − | | Tuesday 25 May
| |
| − | | Swing
| |
| − | |
| |
| − | * Pedestal runs
| |
| − | |
| |
| − | |-
| |
| − | | Wednesday 26 May
| |
| − | | Owl
| |
| − | |
| |
| − | * Canceled
| |
| − | |
| |
| − | |-
| |
| − | | Wednesday 26 May
| |
| − | | Day
| |
| − | |
| |
| − | * Accelerator Vacuum Group in Hall for Leak checks
| |
| − | * Switch box arrived for activate remotely the heating and cooling of thetarget
| |
| − | |
| |
| − | * Found a leak, but pressure stable at 675 mtor
| |
| − | * Electrician will install the appropriate outlet; R. Michaels is working on the remote control.
| |
| − | |-
| |
| − | | Wednesday 26 May
| |
| − | | Swing
| |
| − | |
| |
| − | * Canceled
| |
| − | |
| |
| − | |-
| |
| − | | Thursday 27 May
| |
| − | | Owl
| |
| − | |
| |
| − | * Canceled
| |
| − | |
| |
| − | |-
| |
| − | | Thursday 27 May
| |
| − | | Day
| |
| − | |
| |
| − | * Accelerator Vacuum Group in Hall for Leak checks
| |
| − | |
| |
| − | |-
| |
| − | | Thursday 27 May
| |
| − | | Swing
| |
| − | |
| |
| − | * Canceled
| |
| − | |
| |
| − | |-
| |
| − | | Friday 28 May
| |
| − | | Owl
| |
| − | |
| |
| − | * Canceled
| |
| − | |
| |
| − | |-
| |
| − | | Friday 28 May
| |
| − | | Day
| |
| − | |
| |
| − | * Shift workers on Standby
| |
| − | * Accelerator Vacuum Group in Hall for Leak checks
| |
| − | |
| |
| − | |-
| |
| − | | Friday 28 May
| |
| − | | Swing
| |
| − | |
| |
| − | * Canceled
| |
| − | |
| |
| − | |-
| |
| − | | Saturday 29 May
| |
| − | | Owl
| |
| − | |
| |
| − | * Canceled
| |
| − | |
| |
| − | |-
| |
| − | | Saturday 29 May
| |
| − | | Day
| |
| − | |
| |
| − | * Canceled
| |
| − | |
| |
| − | |-
| |
| − | | Saturday 29 May
| |
| − | | Swing
| |
| − | |
| |
| − | * Canceled
| |
| − | |
| |
| − | |-
| |
| − | | Sunday 30 May
| |
| − | | Owl
| |
| − | |
| |
| − | * Canceled
| |
| − | |
| |
| − | |-
| |
| − | | Sunday 30 May
| |
| − | | Day
| |
| − | |
| |
| − | * Canceled
| |
| − | |
| |
| − | |-
| |
| − | | Sunday 30 May
| |
| − | | Swing
| |
| − | |
| |
| − | * Canceled
| |
| − | |
| |
| − | |-
| |
| − | | Monday 31 May
| |
| − | | Owl
| |
| − | |
| |
| − | * Canceled
| |
| − | |
| |
| − | |-
| |
| − | | Monday 31 May
| |
| − | | Day
| |
| − | |
| |
| − | * Canceled
| |
| − | |
| |
| − | |-
| |
| − | | Monday 31 May
| |
| − | | Swing
| |
| − | |
| |
| − | * Canceled
| |
| − | |
| |
| − | |-
| |
| − | | Tuesday 1 June
| |
| − | | Owl
| |
| − | |
| |
| − | * Canceled
| |
| − | |
| |
| − | |-
| |
| − | | Tuesday 1 June
| |
| − | | Day
| |
| − | |
| |
| − | * Canceled
| |
| − | |
| |
| − | |-
| |
| − | | Tuesday 1 June
| |
| − | | Swing
| |
| − | |
| |
| − | * Canceled
| |
| − | |
| |
| − | |-
| |
| − | | Wednesday 2 June
| |
| − | | Owl
| |
| − | |
| |
| − | * Canceled
| |
| − | |
| |
| − | |-
| |
| − | | Wednesday 2 June
| |
| − | | Day
| |
| − | |
| |
| − | * Canceled
| |
| − | |
| |
| − | |-
| |
| − | | Wednesday 2 June
| |
| − | | Swing
| |
| − | |
| |
| − | * canceled
| |
| − | |
| |
| − | |-
| |
| − | | Thursday 3 June
| |
| − | | Owl
| |
| − | |
| |
| − | * Canceled
| |
| − | |
| |
| − | |-
| |
| − | | Thursday 3 June
| |
| − | | Day
| |
| − | |
| |
| − | * Cooling down target (more likely to start on Swing)
| |
| − | * Day shift on standby.
| |
| − | |
| |
| − | |-
| |
| − | | Thursday 3 June
| |
| − | | Swing
| |
| − | |
| |
| − | * Swing shift workers are needed.
| |
| − | **PREX detector in counting mode
| |
| − | ** resume beam in Compton chicane ( MCC )
| |
| − | ** harp scan for beam profile and beam position ( Shift crew - MCC )
| |
| − | ** raster check ( Shift crew )
| |
| − | ** Long down target recovery procedure ( Shift crew )
| |
| − | * Alignment checks, Q2 ( Dustin Mc Nulty ).
| |
| − | ** put sieve in
| |
| − | ** take alignement data
| |
| − | ** put sieve out
| |
| − | ** Q2 measurement
| |
| − | ** Ask for access to go to integrating mode ( Jon Wexler or Amhed Zafar ) and remove Sieve
| |
| − | * Restart Production
| |
| − | * Production
| |
| − | |
| |
| − | |-
| |
| − | | Friday 4 June
| |
| − | | Owl
| |
| − | |
| |
| − | * Production
| |
| − | |
| |
| − | |-
| |
| − | | Friday 4 June
| |
| − | | Day
| |
| − | |
| |
| − | * Production
| |
| − | |
| |
| − | |-
| |
| − | | Friday 4 June
| |
| − | | Swing
| |
| − | |
| |
| − | * Production
| |
| − | |
| |
| − | |-
| |
| − | | Saturday 5 June
| |
| − | | Owl
| |
| − | |
| |
| − | * Production
| |
| − | |
| |
| − | |-
| |
| − | | Saturday 5 June
| |
| − | | Day
| |
| − | |
| |
| − | * Production
| |
| − | |
| |
| − | |-
| |
| − | | Saturday 5 June
| |
| − | | Swing
| |
| − | |
| |
| − | * Production
| |
| − | |
| |
| − | |-
| |
| − | | Sunday 6 June
| |
| − | | Owl
| |
| − | |
| |
| − | * Production
| |
| − | |
| |
| − | |-
| |
| − | | Sunday 6 June
| |
| − | | Day
| |
| − | |
| |
| − | * Production
| |
| − | |
| |
| − | |-
| |
| − | | Sunday 6 June
| |
| − | | Swing
| |
| − | |
| |
| − | * Production
| |
| − | |
| |
| | |- | | |- |
| | | Monday 7 June | | | Monday 7 June |
