Difference between revisions of "BLTWG Meeting 10/14/2019"

Revision as of 12:55, 14 October 2019

Organization

• Time: 11:30 EDT
• JLab meeting room: A110, Hall D counting house
• Connecting: detailed instructions are here
  • H.323 ip address: 199.48.152.152
  • web browser: https://bluejeans.com/536076821
  • phone: 408-740-7256 or 888-240-2560
• Conference id: 53607
• Present: Richard J., Dan S., Curtis M., Mike D., Alex D., Beni Z., Sasha S., Eugene C., and Elton S.

Agenda

1. Announcements
2. Photon beam polarization
   • Fall 2019 TPOL hardware checkup - Michael D.
   • Systematics studies with 750um converter data, 2018 data - yet to come
   • Update on hadronic asymmetries - any
   • TPOL readout at high rate - Sasha
3. Tagging accidentals estimation
   • follow-up actions - discussion
4. Priority issues for immediate focus
   1. tagger energy scale adjustment - Sasha, Richard

      Beam energy adjustment - Sasha

   2. evaluation of beam flux systematic error (spectrum, normalization) - any
   3. PS acceptance systematics - Sasha
5. Preparation for the Fall run
   • TPOL support - Mike
   • Active collimator - Richard, other?
   • Tagger microscope - Richard, other?
   • Tagger hodoscope - Sasha, other?
   • Pair Spectrometer - Sasha other?
   • TAC, profiler - Hovanes, other?
   • Goniometer - Hovanes, other?
6. GlueX NIM paper discussion
   • Apologies from Stuart, attending DNP. If unable to join the meeting, Elton has agreed to lead discussions of status of the beamline section
   • GlueX NIM paper documentation
7. Diamond radiator status
   • accident with JD70-101 - Tim
   • [media:goniometer.png goniometer loaded with new radiators] - Tim
   • update on new diamond procurement - Richard
8. Any other business