Beam Modulation

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

PREX Main << Expert Tools

How to Run Beam Modulation

  • First, make sure Coda is running
  • You need to be logged in apar account on adqa3:
    •  ssh apar@adaq3 
  • Go to directory:
    •  cd /adaqfs/home/apar/vowen/BMWClient/PyGreenMonster/ 
  • Run beam modulation code:
    •  python3 ProductionModulation_Pause10Min.py 
    1. Beam modulation will automatically run for 7 days
    2. In order to quit beam modulation
      •  control+c 
        to crash out of the beam modulation program.
      •  python3 gm_bmw_clearall.py 
        to clean up the DAQ records and release the EPICS FFB pause states.

Modulation online plots

modulation coil plot