GlueX TOF Meeting, August 25, 2021

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GlueX Time-of-Flight Meeting
Wednesday, August 25, 2021
11:00 am EDT
BlueJeans: 350 531 998


  1. Announcements
  2. Review of minutes from the last meeting
  3. Run Readiness
  4. TOF II Trigger
  5. TOF NIM paper
  6. Action Item Recap


Present: Edmundo Barriga, Eugene Chudakov, Paul Eugenio, Mark Ito (chair), Beni Zihlmann

There is a recording of this meeting. Log into the BlueJeans site first to gain access (use your JLab credentials).

Review of minutes from the last meeting

We went over the minutes of the meeting on August 11.

Paul reported that FSU has a VXS crate on order, due to arrive this month. After that they can return the VXS crate on load from the Lab. After that the only remaining items on the loan with be the PMTs.

Run Readiness

Mark reported that five FADC-250s were replaced for the TOF. Beni has succeeded in setting baseline on all five via an automatic procedure. Recall that this was not possible with four of the pre-replace FADCs. The fifth was replaced because it had a problem accepting a firmware download.

Beni has done further investigation on the timing tails in the RF signal in one of the CAEN TDCs. Suspicion has now moved to the jitter attenuation box. The investigation continues.


In the next week or so Paul Eugenio intends to start pushing us toward completion of the NIM paper. You have been warned.

Actions Items

  1. Schedule time for testing the TOF II trigger.
  2. Do the HV scan and analyze the results.
  3. Get going on the NIM paper again.