Difference between revisions of "BLTWG Meeting 08/31/2022"

Latest revision as of 15:03, 31 August 2022

Organization

• Time: 3:00 EDT
• JLab meeting room: none
• Connecting: detailed instructions are here
  • web browser: connect using zoomgov
  • phone: 833 568 8864 US Toll-free
• meeting ID: 161 038 5436
• passcode: 097756

Agenda

1. Announcements
2. Accelerator update -- Edith
   • Next steps toward a 1cm x 1cm beam spot raster at the photon collimator?
3. Issues related to the Primex run
   • problems with the active collimator -- Richard
   • problems accessing [1] the beam rate tool] -- Richard
   • calibration of the active collimator distance scale -- Richard
   • other issues? -- anyone?
4. Polarimetry
   • TPOL polarimetry update -- Michael
   • polarimetry from pair production -- Andrew
   • polarimetry from hadron decays -- Alexander A.
   • check using CBSA (enhancement) -- Richard
5. TAC (CCAL) normalization results -- Sasha
6. PS and tagger calibration -- Sasha
   • latest TAGM gain calibration -- Richard
   • new energies for the TAGM -- Richard
7. Luminosity determination for PrimEx -- Sasha
8. Photon beam systematics writeup -- Richard
9. Diamond radiators
   • recent progress in radiator fabrication -- Richard
10. Ongoing development and studies
    • Intermediate and final status of TAGM relocation to 9 GeV -- Richard
    • Understanding the TAGM photon yield decline over time -- Ellie
    • Repair / reinstall of TAGH counters during Aug. break -- Sasha
11. Any other business

Notes