Difference between revisions of "G2p shifts"

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(How To Avoid Disasters)
(Notes)
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*Hall A [http://hallaweb.jlab.org/equipment/moller Moller]
 
*Hall A [http://hallaweb.jlab.org/equipment/moller Moller]
  
===Notes===
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===Miscellaneous Notes===
 
*The Coda configuration is: LHRS, RHRS
 
*The Coda configuration is: LHRS, RHRS
*Hall A current : Open Monticello / Wall / Hall A GUI, and look at the 1H00 BCM.
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*To read the Hall A current : Open Monticello / Wall / Hall A GUI, and look at the 1H00 BCM.
*For Hall A tools screen, on hacuser type "NewTools" which pops up EOSMenu.  Select "HLAmain".
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*To open the Hall A tools screen, as hacuser type "NewTools" which pops up EOSMenu.  Select "HLAmain".
*For Stripchart, click toolbox on bottom of desktop menu
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*To start a Stripchart, click toolbox on bottom of desktop menu
*IHWP1 flips the beam helicity.  IHWP2 is passive (actually a full wave plate) and will not flip the helicity.  The epics var for IHWP2 is IGL1I00DIOFLRD :13056 means the passive wave-plate is in. 8960 is out..
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*Only IHWP1 flips the beam helicity.  IHWP2 is passive.

Revision as of 15:22, 13 April 2012

This page is updated frequently. Please hit Reload at least once per shift.

Basic Resources for Shift Workers

How Tos

Shift Instructions

  • The septa current must be set to match each new spectrometer dipole momentum setting.
  • Make sure to acknowledge the DAQ popup messages for Start and End of every run.
  • Keep a stripchart running of the septa currents. Log any fluctuations, and notify Run Coordinator.
  • Take bleedthru measurement once a shift
  • Make sure you know exactly what you are doing if operating the Sieve Slit. Compare to this photo

Useful Links

Miscellaneous Notes

  • The Coda configuration is: LHRS, RHRS
  • To read the Hall A current : Open Monticello / Wall / Hall A GUI, and look at the 1H00 BCM.
  • To open the Hall A tools screen, as hacuser type "NewTools" which pops up EOSMenu. Select "HLAmain".
  • To start a Stripchart, click toolbox on bottom of desktop menu
  • Only IHWP1 flips the beam helicity. IHWP2 is passive.