Full Shift Checklist

In the process of editing and updating this page. Please contact Juliette Mammei crowder@jlab.org with questions or suggestions.

PREX Main<< Information for Shift Takers << Shift Checklist

This is just where I have documented changes to the shift checklist! Not really useful for anything else.

Entering shift info

• Shift leader
• Target operator
• Analysis expert Suggest remove
• Shift (day, swing, or owl)
  • Enter the names of the shift workers (Shift leader, Target operator, Analysis expert) We don't require an Analysis Expert so we should remove it from here
  • Indicate which shift the checklist is for (day, swing, or owl)

Beam and Hall checks

• Is alarm handler running on hacweb7? Modify to: Is hall alarm handler running on hacweb7?
• Add: Is experimental alarm handler running on hacweb7?
• Beam Energy (GeV) Suggest remove
• Beam current (µA)
• Downstream raster (B) on? Yes/No
• Raster size (x:y mm, see log 3654466 )?
• Fast feedback on? Yes/No
• Beam Position Monitor X/Y (mm) A
• Beam Position Monitor X/Y (mm) E (BPM B in Hall A Tools)
• Add: Are Compton slow locks functioning?
• Add: Are target slow locks functioning?
• Add: Is the energy lock on?
• BCM temperature (K) (PV, PS, Thermocouple) If these differ by +/-.5 from (110.0,110.0,115.0) make halog entry and contact RC
• Arc energy NMR locked? ( (Goto ARC or the "Field Management Screen", and verify if the box locked is ON/OFF))
• Current Target
• Argon pressure (psi)
• Ethane pressure (psi)
• CO2 pressure (psi)
• Visual Hall Inspection OK?
• Truck ramp door closed ( use the camera to see the door from mirror)? * Suggest remove
• Septum current (A) and polarity?
• Upstream/downstream corrector currents (A) ? * Suggest remove: we don't have correctors for our septum

Parity Checks

• IHWP setting (IN/OUT)
  • the button that is depressed is the setting I assume these are instructions (looks ok).
  • PGUN and parity controls Do you want something specific from here?
• RHWP setting (value like 1532)
• Wien settings?
  • Spin controls - jmenu search for spin I assume these are instructions (looks ok).
  • VWienAngle
  • Phi_FG
  • HWienAngle
  • FLIP(-LEFT) (-RIGHT)
• SAM HV
• Septum HV Add

Left Arm Checks

• Left Arm momentum (GeV)
• Left Arm Q1, Q2, D, Q3 regulartors on (yes/no, ask experts)? Suggest removing "on" since it hints that we need it on and I think we won't use them because they are set to momentum.
• Left Arm cryo flow level OK? Yes/No He>60% (Ignore Nitrogen)
• Left Arm NMR OK? Yes/No
• Left Arm Q1 Momentum (GeV/c) / current (A) / B-Field (+/-G)
• Left Arm Q2 Momentum (GeV/c) / current (A) / B-Field (+/-G)
• Left Arm D Momentum (GeV/c) / current (A) / B-Field (+/-G)
• Left Arm Q3 Momentum (GeV/c) / current (A) / B-Field (+/-G)
• Is Left VDC gas flow (top/bottom) on?
• Left VDC HV on (top/bottom)? (off normally)
• VDC thresholds (All 4 values should be 3.0 V, yes/no) (off normally)
• Left Cerenkov HV on? Agreed
• Left Pion rejector HV on? Agreed
• Main Detector HV
• GEM HV Add "normally off"
• Left s0/s2m HV on (s0 may be off for production, check with expert)?
• Check online plots (y/n)? -LHRS

Right Arm Checks

Similar to Left arm

• Right arm momentum (GeV)
• Right Arm Q1, Q2,D,Q3 regulartor on? (yes/no)
• Right arm cryo flow level OK? Yes/No He>60% (Ignore Nitrogen)
• Right Arm NMR OK? Yes/No
• Right Arm Q1 Momentum (GeV/c) / current (A) / B-Field (+/-G)
• Right Arm Q2 Momentum (GeV/c) / current (A) / B-Field (+/-G)
• Right Arm D Momentum (GeV/c) / current (A) / B-Field (+/-G)
• Right Arm Q3 Momentum (GeV/c) / current (A) / B-Field (+/-G)
• Is Right VDC gas flow (top/bottom) on?
• Right VDC HV on (top/bottom)? (off normally)
• Right Cerenkov HV on?
• Right Pion rejector HV on?
• Right s0/s2m HV on?
• Main Detector HV
• GEM HV
• Right SCIFI HV off (should be off during production runs, y/n)?
• S3 HV off (ch 6 of SCIFI HV GUI, should be off for production)?
• Check online plots (y/n)? -RHRS

CODA

• Latest run type (Test, Physics,..)
• Is the auto replay script running (ask the analysis expert)?
• Is the APEX run list (in a white binder) completed? Agreed
• Please attach the left/right HV and Scalers Screenshots to the shift report Suggest to modify to: Attach Hall A Tools screenshot, Septum Power supply screenshot, Septum pipe temperature screenshots, Collimator water temperature screen shots to shift report.
• Check scalers Not sure we will keep the scalers during regular production running.
• Time of beginning of latest run (RHRS) Modify (RHRS) to Integrating DAQ
• Latest run number
• Dead time (%) Agreed

Beamtime accounting

• Beamtime accounting table submitted? Generally this is done one hour before the end of shift so I am not sure how useful it is. Unless we want them to check this at the very end of the run; but that runs into the issue that they already took ~7h of data (possibility with problems).

In counting house

• Is the volume up on hacweb7? (both hardware and software)
• VESDA System OK? (VESDA is the smoke/fire detection and alarm system. Check the Hall A VESDA Console on the wall beside the door to the compter room
• Empty drip tray and place mug under spout on coffee maker
  • Press the buttons on either side of the tray and pull toward you
  • Place a mug under the spout while emptying the tray (and the previous mug) in the bathroom sink
  • Replace the tray by sliding back into the machine
  • Place a mug under the spout to help keep the tray from overflowing