GlueX Start Counter Meeting, August 9, 2018

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GlueX Start Counter Meeting
Thursday, August 9, 2018
10:00 am EDT
CEBAF Center, Room L207
BlueJeans: 556 286 544


  1. Announcements
  2. Review minutes from the meeting on July 26
  3. Calibration and Efficiency
  4. NIM/TDR
  5. Action Item Review




Talks can be deposited in the directory /group/halld/www/halldweb/html/talks/2018 on the JLab CUE. This directory is accessible from the web at .



  • FIU: Mahmoud Kamel
  • JLab: Mark Ito (chair), Simon Taylor

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

Run Readiness

Beni Zihlmann has turned on the start counter and sees scalers counting. The GUI is reporting abnormally high temperatures; Eric Pooser attributes that to a loose cable connection. The target is scheduled to be pushed in this Monday or Tuesday. The temperature issue has to be resolved before that.

Resolution as a Function of z

Mahmoud has adjusted his parametrization to join the line segments of his 4-region fit such that the resolution is continuous as a function of z. See his slides for below for examples. These are in the CCDB and are ready to be used for smearing.

Run 30780
Run 42241

NIM Paper

Mark has been having weekly meetings with Eric (two so far) to discuss the paper. The source materials have been moved to the GlueX documents repository and successfully built there. Eric is in the process of incorporating comments received from Elton Smith and Beni some months ago.