BLTWG Meeting 04/29/2019

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: 536076821
• Present: Richard J., James M., Alex A., Mike M., Mark D., Elton S., Michael D., Justin S., Stuart F.

Agenda

1. Announcements
   • Collaboration Meeting May 14-16, 2019 at Jefferson Lab.
2. Photon beam polarization
   • Update on TPOL analysis - Michael D.
   • Study of TPOL analyzing power with energy cuts - Richard J.
   • Systematics studies with 750um converter data, 2018 data - yet to come
   • Update on hadronic asymmetries - any
   • TPOL readout at high rate - Sasha
3. Priority issues for immediate focus
   1. evaluation of beam flux systematic error (spectrum, normalization) - Justin, Sasha
   2. PS acceptance systematics - Sasha
   3. CBSA simulations - Richard
4. Upcoming activities
   • removal/remounting of 5 virgin 50um diamonds
   • CLS measurements - next run period anticipated in June 2019
   • reconfiguration of the tagger for CPP - Richard
5. Any other business