Friday, December 5: SWING Shift

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  • General considerations
    • Tanja Horn is the current Run Coordinator. Please contact directly via RC phone 757-876-1787
    • Follow the generic Instructions for shift takers
    • Shift leaders: Please make sure to fill out the beam time accounting form and write a "Shift Summary" log entry at the end of your shift regardless if there is beam or not.
    • In general, Hall technical staff should not be contacted by the shift crew - please call the RC first.
    • The target operator is required to supervise the cryo-target.
    • Kinematics, DVCS Kin1: Ebeam = 7.3 GeV, PLHRS=2.71 GeV, Theta_HRS=22.83, Theta_calo=12.35
    • Make sure to use the DVCS CODA configuration for all runs (even when taking single arm HRS data).
  • Instructions for this shift
    • Quick harp scan at > 5 uA for check out
    • Dump ion chamber calibration in preparation for running at > 5 uA longer term
    • BPM Calibrations (Bullseye Scan). Instructions of the procedure can be found here. Call Luke Myers if it is before 4:00 PM. When the scan is done call the RC.
    • Insert the collimator (Call Kalyan Allada and Bogdan)
    • Take optics data (Kalyan Allada, Bogdan). When optics tests are done call the RC.
    • Take out the collimator
    • Take a few more optics runs
    • Trigger efficiency studies