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 (Ahmed: 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 (Ahmed)
- Low current cavity monitors setup (Musson, Ahmed)
|
done
|
3/21
|
Owl
|
- Low current cavity monitors setup (Musson, Ahmed)
- 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, Ahmed)
- 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
|
|
done
|
3/24
|
Owl
|
|
done
|
3/24
|
Day
|
|
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
|
|
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
|
|
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
|
|
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
|
|
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
|
|
|
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
|
|
|
Thursday 8 April
|
Owl
|
|
|
Thursday 8 April
|
Day
|
|
Target chamber open, found that the 4th foil in Optics target blown off
|
Thursday 8 April
|
Swing
|
|
|
Friday 9 April
|
Owl
|
|
|
Friday 9 April
|
Day
|
- To be determined.
- When ready: Install GEMs
|
|
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
|
|
|
Tuesday 13 April
|
Owl
|
|
|
Tuesday 13 April
|
Day
|
|
|
Tuesday 13 April
|
Swing
|
|
Tungsten collimator modified and installed. Target pump down started and initially successful.
|
Wednesday 14 April
|
Owl
|
|
Target pump down.
|
Wednesday 14 April
|
Day
|
- Cancelled -- no shift workers (might need a TO)
- Target pump down and leak checking.
- When ready, begin target cooldown. (Dave Meekins and JP)
|
Done. Vacuum good. Target cold.
|
Wednesday 14 April
|
Swing
|
- Beam restore in Hall A
- Harp Scan - Shifters
- Raster size scan (goal is 3x3mm on empty cell) - Shifters.
- Detector Alignment - Dustin
- Dithering run with Septum On/Off - Rupesh.
|
|
Thursday 15 April
|
Owl
|
- Thick Carbon Integrating Mode Run - Rupesh.
- Thick Carbon Dithering Run - Rupesh + Luis.
- Take Access: Change to counting mode and put sieve in - Ahmed.
|
|
Thursday 15 April
|
Day
|
- Beam Studies -- establishing good beam in Hall A and Compton (Jay and B team)
|
|
Thursday 15 April
|
Swing
|
- Detector Alignment - Dustin.
- Pb Alignment - Bob.
- Take access and put sieve in - Seamus.
- Sieve Alignment - Seamus.
- Take Access to remove sieve (Seamus) + switch to integrating mode (Jon) - Page Guy and Bob.
- Heat load test (run up to 500C) - Bob + Guy.
If possible, depending on heat load test:
- Relative Rate 12C/Pb Runs - Bob / Dustin.
- Start production (Rupesh, Luis, Kent, Krishna)
|
|
Friday 16 April
|
Owl
|
|
|
Friday 16 April
|
Day
|
|
|
Friday 16 April
|
Swing
|
- Production @ 40uA
- Ramp up to 50uA (Guy + Bob)
|
|
Saturday 17 April
|
Owl
|
|
|
Saturday 17 April
|
Day
|
- Production @ 50uA
- Moller Checks + Measurement Starting 9am (Sasha)
|
|
Saturday 17 April
|
Swing
|
- Moller till 7pm (Sasha).
- Compton (Jay Benesch + Megan).
- Production @ 50uA.
|
|
Sunday 18 April
|
Owl
|
|
|
Sunday 18 April
|
Day + Swing
|
- Production @ 50uA.
- Staring 3pm:
- Compton test (Jay Benesch + Megan).
- Page Dustin + Jon + Bob + Sasha.
- Q^2 Measurement (Bob)
- Call Compton Experts
- Access:
- Refill Moller Magnet.
- Check Compton HV.
- Remove S0.
- Go to counting mode (Dustin).
- Compton Stuff.
- Detector Mapping (Jon).
- Detector Alignment (Dustin).
- Q^2 Measurement (Bob).
- Relative Rate Measurement (Bob).
- Access to Return to Integrating Mode.
|
Monday 19 April
|
Owl
|
|
|
Monday 19 April
|
Day
|
|
|
Monday 19 April
|
Swing
|
|
|
Tuesday 20 April
|
Owl
|
|
|
Tuesday 20 April
|
Day
|
- Production
- Beam studies from approx. 11 am to 2 pm
- Hall A Activities:
- -- Compton 1/4wave stepper (Abdurahim)
- -- Check R-HRS Q2 and switch to remote mode (Heidi)
- -- Adjust R-HRS A_T (Dustin)
- -- Take pedestal data (Jon)
- -- Check 4th GEM and possibly install 5th (Alex, Jon)
- -- Test motion of A_T detector R-HRS (Jon)
- -- Possible Compton shielding / HV check (Megan)
- -- Ramp Moller magnet, measure stray fields. (Sasha)
- -- Parasitic work on floor (Yi Qiang)
|
|
Tuesday 20 April
|
Swing
|
- Tune up Compton
- Production
|
|
Wednesday 21 April
|
Owl
|
|
|
Wednesday 21 April
|
Day
|
|
|
Wednesday 21 April
|
Swing
|
|
|
Thursday 22 April
|
Owl
|
|
|
Thursday 22 April
|
Day
|
- Beam studies. Transverse Phase Space Study in Wien. (Reza, Mark, Rupesh)
- At ~2 pm start Moller commissioning
|
|
Thursday 22 April
|
Swing
|
- Finish Moller (10 hours)
- Resume Production
- Don't forget the beam recovery procedure
|
|
Friday 23 April
|
Owl
|
|
|
Friday 23 April
|
Day
|
- Q2 Studies (3 hrs) -- Dustin, Bob
- GEM studies are only parasitic.
|
|
Friday 23 April
|
Swing
|
|
|
Saturday 24 April
|
Owl
|
|
|
Saturday 24 April
|
Day
|
- Production on thick C12
- At about 2 pm switch to 120 Hz, still C12
- Run briefly on C12 at 120 Hz
- Switch to thick Pb target (120 Hz)
|
|
Saturday 24 April
|
Swing
|
- Production on Pb at 120 Hz
|
|
Sunday 25 April
|
Owl
|
|
|
Sunday 25 April
|
Day
|
- Q2 measurements - Bob, Dustin
- Otherwise production
|
done
|
Sunday 25 April
|
Swing
|
|
|
Monday 26 April
|
Owl
|
|
|
Monday 26 April
|
Day
|
|
Wien flip postponed until Tues
|
Monday 26 April
|
Swing
|
|
Tuesday 27 April
|
Owl
|
|
|
Tuesday 27 April
|
Day
|
- Beam Studies
- Wien Flip
- Checks of laser at polarized source (Kent and EGG)
- Adiabatic Damping Study (Yves Roblin)
|
Done
|
Tuesday 27 April
|
Swing
|
- Compton Tune
- 4 hrs on Thick Carbon (RD=0, IT=500us)
- flip half-wave plate
- 4 hrs on Thick Carbon
|
|
Wednesday 28 April
|
Owl
|
- Finish Swing Plan
- Yves Roblin Measurement (if possible)
- Run on Carbon (RD=0, IT=1535)
|
|
Wednesday 28 April
|
Day
|
|
|
Wednesday 28 April
|
Swing
|
|
|
Thursday 29 April
|
Owl
|
|
|
Thursday 29 April
|
Day
|
|
Access to repair target leak
|
Thursday 29 April
|
Swing
|
|
Could not close hall due to faulty fire suppression system
|
Friday 30 April
|
Owl
|
|
Could not close hall due to faulty fire suppression system
|
Friday 30 April
|
Day
|
- 08:00 Beam Stops for Open House
|
|
Friday 30 April
|
Swing
|
|
|
Friday 30 April
|
Owl
|
|
|
Saturday 1 May
|
Day
|
- Open House
- Detector work
- Compton work
|
|
Saturday 1 May
|
Swing
|
- Restore Beam.
- Check Beam Properties. (shift)
- Pulsed Beam Test. (Mark, Luis)
|
|
Sunday 2 May
|
Owl
|
- Continue with Above Tests
- Raster and Pb Target Tests (Bob)
|
|
Sunday 2 May
|
Day
|
- Continue Above Tests if necessary
- Start Production
- Get cavities to work at high current. (Ahmed)
- (The check of cavities at low current is postponed.)
|
|
Sunday 2 May
|
Swing
|
|
|
Monday 3 May
|
Owl
|
|
|
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
|
|
|
Tuesday 4 May
|
Owl
|
|
|
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
|
|
- Continued Compton realignment/laser polarization measurement
|
Wednesday 5 May
|
Owl
|
|
- 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
|
|
|
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
|
|
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
- Q2 and establish low-current cavities (Dustin)
|
Friday 7 May
|
Swing
|
- Tests by KK et al
- Production
|
|
Saturday 8 May
|
Owl
|
|
|
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 measurement gives 91% polarization
|
Sunday 9 May
|
Owl
|
|
|
Sunday 9 May
|
Day
|
- Compton ready?
- Production
|
- Cavity locks at 3kW!
- Valve upstream of chicane will not open
|
Sunday 9 May
|
Swing
|
|
|
Monday 10 May
|
Owl
|
|
- 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
|
|
- 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
|
|
Wednesday 12 May
|
Swing
|
|
- Left dipole down
- Left Q3 controls problem
- Target vacuum bad
|
Thursday 13 May
|
Owl
|
|
- 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
|
|
|
Friday 14 May
|
Owl
|
|
|
Friday 14 May
|
Day
|
|
|
Friday 14 May
|
Swing
|
- Cool target
- Re-establish beam
- Raster tests
|
- Target vacuum good
- Both spectrometers good
|
Saturday 15 May
|
Owl
|
|
|
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
|
|
- 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
|
|
|
Monday 17 May
|
Day
|
- Controlled Access for Left Dipole fix
- Moller refilled
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- 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.
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Monday 17 May
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Swing
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- Production with both arms!
|
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Tuesday 18 May
|
Owl
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- Production (hopefully with both arms!)
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- No Left Dipole issues all night
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Tuesday 18 May
|
Day
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- Beam Studies, beginning 9am (8hrs)
- Wien Flip
- Maintenance on the Left Dipole Power supply
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- Wien Flip completed before beam studies
- Beam studies completed
- Measurements performed on Left Dipole Power supply
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Tuesday 18 May
|
Swing
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- Production
- Oversample tests (Rupesh)
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- Compton not done
- Oversample tests not done
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Wednesday 19 May
|
Owl
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- Production
- Oversample tests
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- Oversample tests completed
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Wednesday 19 May
|
Day
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- Compton Tuning (1-2hrs, start around 10am)
- Raster tests during 'target vacuum recovery'
- Production
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- Injector tuning did not help Compton rates
- Jay and Yan are asking for advice
- Compton tuning during beam studies tomorrow
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Wednesday 19 May
|
Swing
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- Production
- Q2 and detector alignment (2-3hrs, around 8pm)
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- short Q2 measurement
- Target vacuum tripped valves closed -> no beam
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Thursday 20 May
|
Owl
|
|
- No beam - target operator only
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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
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Thursday 20 May
|
Swing
|
|
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.
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Friday 21 May
|
Owl
|
|
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Friday 21 May
|
Day
|
|
|
Friday 21 May
|
Swing
|
|
|
Saturday 22 May
|
Owl
|
|
|
Saturday 22 May
|
Day
|
|
|
Saturday 22 May
|
Swing
|
|
|
Sunday 23 May
|
Owl
|
|
|
Sunday 23 May
|
Day
|
|
|
Sunday 23 May
|
Swing
|
|
|
Monday 24 May
|
Owl
|
|
|
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
|
|
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Tuesday 25 May
|
Owl
|
|
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Tuesday 25 May
|
Day
|
- Beam Studies (until between 10am and noon)
- Pedestal runs
|
Kalres O-ring installed ahead of schedule. Pumping down.
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Tuesday 25 May
|
Swing
|
|
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Wednesday 26 May
|
Owl
|
|
|
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
|
|
|
Thursday 27 May
|
Owl
|
|
|
Thursday 27 May
|
Day
|
- Accelerator Vacuum Group in Hall for Leak checks
|
|
Thursday 27 May
|
Swing
|
|
|
Friday 28 May
|
Owl
|
|
|
Friday 28 May
|
Day
|
- Shift workers on Standby
- Accelerator Vacuum Group in Hall for Leak checks
|
|
Friday 28 May
|
Swing
|
|
|
Saturday 29 May
|
Owl
|
|
|
Saturday 29 May
|
Day
|
|
|
Saturday 29 May
|
Swing
|
|
|
Sunday 30 May
|
Owl
|
|
|
Sunday 30 May
|
Day
|
|
|
Sunday 30 May
|
Swing
|
|
|
Monday 31 May
|
Owl
|
|
|
Monday 31 May
|
Day
|
|
|
Monday 31 May
|
Swing
|
|
|
Tuesday 1 June
|
Owl
|
|
|
Tuesday 1 June
|
Day
|
|
|
Tuesday 1 June
|
Swing
|
|
|
Wednesday 2 June
|
Owl
|
|
|
Wednesday 2 June
|
Day
|
|
|
Wednesday 2 June
|
Swing
|
|
|
Thursday 3 June
|
Owl
|
|
|
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
|
|
|
Friday 4 June
|
Day
|
|
|
Friday 4 June
|
Swing
|
|
|
Saturday 5 June
|
Owl
|
|
|
Saturday 5 June
|
Day
|
|
|
Saturday 5 June
|
Swing
|
|
|
Sunday 6 June
|
Owl
|
|
|
Sunday 6 June
|
Day
|
|
|
Sunday 6 June
|
Swing
|
|