RC Meeting and Run Plan, Thursday, February 14

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RC Meeting Information

RC Daily Meetings are at 4:30 PM, 2nd floor Counting House Meeting Room

  • Bluejeans remote connection information:
 To join the Meeting:
 https://bluejeans.com/861439920
 To join via Room System:
 Video Conferencing System: bjn.vc -or-199.48.152.152
 Meeting ID : 861439920
 To join via phone :
 1)  Dial:
   +1.408.740.7256 (US (San Jose))
   +1.888.240.2560 (US Toll Free))
   +1.408.317.9253 (US (Primary, San Jose))
   (see all numbers - http://bluejeans.com/numbers)
 2)  Enter Conference ID : 861439920

Useful Links

Current Status

  • Jack, Ethan, Steve and Joe working on HMS Q2.
  • Coincidence DAQ currently taking cosmics.
  • Many angle changes last night, no need to reset rotation controller...also no radiator. Techs installed Pb bags near controller box: logbook post


  • Summary of runs from last night:

1) x>1 optics study, Ep = -7.001, theta = 13.11 deg, normal tune: run 7170

2) x>1 optics study, Ep = -7.001, theta = 13.11 deg, F2 tune: run 7171

3) F2 yptar scan, Ep = -3.3 GeV, theta = 21 deg, normal tune: run 7172

4) F2 yptar scan, Ep = -3.3 GeV with theta = 19.85 deg, 21 deg, 22.15 deg, F2 tune: runs 7173@21deg, 7174@19.84deg, 7175@22.14deg

5) F2 positron run plan, 38 deg , Ep = +1.8 GeV: LH2 runs=7176, 7182; LD2 runs=7177, 7178, 7179; Al runs=7180, 7181

Current Run Plan

  • Detailed Instructions:
  • Alternate:
    • 2 hours on LD2, ps2=2 (keep rates below 5kHz), 30 uA
    • 1 hour on 1.5%C, ps2=0 (keep rates below 5kHz), get high
  • Take 1 dummy run, 1 hour (keep rates on ps2 below 5kHz)
  • End runs every 30 minutes.
  • Keep track of yields per target on each 50k replay using Eric's macro
    • In /home/cdaq/hallc-online/hallc_replay/macros/ execute yield_xgt1.C
root -l
.x yield_xgt1.C (runNum, 50000)

Notices in Effect for Shift Crew

  • If rotation cannot be Reset, call the RC, then call Ops for an escorted/controlled access.

Current Issues

Planned Accesses to the Hall

Planned Accelerator Configuration Changes

Special Requests

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