GlueX Start Counter Meeting, February 6, 2020

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GlueX Start Counter Meeting
Thursday, February 6, 2020
10:00 am EST
CEBAF Center, Room L207
BlueJeans: 556 286 544


  1. Announcements
  2. Review minutes from the last meeting
  3. Calibration and Efficiency (Rupesh)
  4. Dark Rate Studies (Beni, Rupesh)
  5. Other Run Planning
  6. Action Item Review



  • FSU: Sean Dobbs
  • JLab: Rupesh Dotel, Mark Ito, Simon Taylor, Beni Zihlmann

There is a recording of this meeting on the BlueJeans site. Use your JLab credentials to gain access.

We had a very brief meeting again. Rupesh continues to work on the propagation delay calibration under Sean's guidance. He showed fits from the macro, one for each of the three regions of the start counter. The quality of the fit was hard to judge do to a severely truncated z-axis in the 2D histograms. Beni did some digging into the ROOT file, on the fly, and it looks like the underlying histograms are OK. This is still work in progress.