[Halld-pid] Time-of-Flight Meeting Minutes, April 6, 2022

[Mark Ito]

Folks,

Please find the minutes here 
<https://halldweb.jlab.org/wiki/index.php/GlueX_TOF_Meeting,_April_6,_2022#Minutes> 
and below.

   --  Mark

      ______________________________


    Minutes, GlueX TOF Meeting, April 6, 2022

Present: Eugene Chudakov, Paul Eugenio, Mark Ito (chair), Igal Jaegle, 
Sasha Ostrovidov, Simon Taylor, Beni Zihlmann

There is a recording of this meeting 
<https://jlab-org.zoomgov.com/rec/share/dexHL3Vdycr_kIJ85LTD3aOs-91Wi34pddOvkqZ7_kXUXWKwnWBvCQHqjd310Fii.QdwwKS45PHQCdinv> 
on the ZoomGov site. Use passcode: 8f5=rpi+ .


      Announcements

  * The loan agreement for the 17 PMTs at FSU has been signed and approved.
  * This is Mark's last TOF meeting as chair.


      Review of minutes from the last meeting

We went over the minutes from the meeting on February 9th 
<https://halldweb.jlab.org/wiki/index.php/GlueX_TOF_Meeting,_February_9,_2022#Minutes> 
without significant comment.


      TOF II Trigger

Beni reported that Sascha Somov has not had a chance to test the trigger 
yet.


      CAEN TDC

Beni installed our spare CAEN TDC into the TOF crate for the downstream 
scintillator paddles used by CPP. When his standalone read-out program 
failed, he found that the firmware needed upgrade. He contacted Greg 
Kibilko to get a copy of the new firmware and Sergey Furletov downloaded 
it to the TDC yesterday. He is now taking data to adjust the 
least-count-equalizing resistors. After that he wants to do a integral 
non-linearity calibration on the board.

Paul asked Sasha O. to check the version of the firmware on the CAEN TDC 
they have at FSU. During CPP, with the JLab spare in the Hall, the FSU 
unit is the designated spare.


      TOF NIM paper

Beni will review the section on walk corrections. There have been 
several iterations of the method over the years.

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