BLTWG Meeting 04/17/2019
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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., Curtis M., Elton S., Alex A., Michael D., Justin S., Dan s., Stuart F.,
Agenda
- Announcements
- Collaboration Meeting May 14-16, 2019 at Jefferson Lab.
- Beam monitoring issues
- Beam tune instabilities - Alexandre Deur
- Beam energy variations - Alexandre Deur
- Hall D energy correlation with Hall C current - Alexandre Deur
- PrimEx rates trending through Spring 2019 - Alexandre Deur
- Active collimator long-term charging effect
- AC currents decay over time under fixed conditions - Hovanes, Richard
- Active collimator schematics - Richard
- AC currents track beam tune changes in complicated way - Hovanes
- Photon beam polarization
- New release of TPOL polarization for 2016, 2017 run periods - 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
- Priority issues for immediate focus
- evaluation of beam flux systematic error (spectrum, normalization) - Justin, Sasha
- PS acceptance systematics - Sasha
- first round CBSA simulations - Richard
- 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
- Any other business
