RC meeting and Run Plan, Sunday Oct. 14

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Issues: Resolved

Issues: Requiring attention


  • SHMS at small angle
    • (Might) need new limits on diffusor ion chamber if we run above >=50uA (Jay Benesh confirmed might be the case), more info here.
    • Be wary of DC trips!
      • Added during RC meeting and Run Plan, Friday Oct. 12
      • During luminosity scan, SHMS DCs might trip at >=50uA for one of the settings
      • If we can really reach high current --> be ready to disable SHMS DCs when rates get too high (still want HMS data at those currents).

Request (non-urgent)

  • RadCon wants to put a small detector in the SHMS hut during the next opportunity
    • Needs few hours, communicate with Brad when next opportunity arrises
  • Hall D needs opportunistic 1shift of HallC down for beam studies, not pressing right now (needs to be done before end-of-run)
    • Unlikely this will happen in the next week
    • Maybe when swapping out aerogel trays for the next experiment?

Plans - Physics

  • Run for 5-6 more shifts with Q2=5.5. W=3.02 x=0.40 theta_Shms=6.49
  • Currently 2% of statistics
  • Prepare for 1-2 shifts of luminosity scan early next week (pending sufficient beam quality...)
    • Maybe at least do lower points even if beam can't go up (just in case)?
    • Tentatively Monday and/or Tuesday SWING when we have experienced shift crew
    • Could maybe use 3rd worker to help with frequent 15min run changes.