BLTWG Meeting 12/19/2016

Organization

• Time: 11:30 EDT
• 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:

Agenda

1. Announcements
2. Run schedule changes for 2017 - discussion
3. Update on polarimetry systematics review - Richard J.
4. Beam spot profile measurements - Hovanes E.

1. • Latest accelerator wire scans of electron beam after quick retune
   • Hall D wire scan of electron beam closest to the accelerator scan
   • Hall D latest wire of electron beam scan
   • Photon beam spot scan at collimator in 3D
   • Photon beam spot scan at collimator in 2D

1. High intensity limits in the tagger - Sascha S.
2. Update on calibrations - Nathan S., Alex B., Sascha S.
3. Schedule for microscope fibers replacement - James M.
4. Update on TPOL analysis - M.Dugger
5. Possible polarization measurement below the coherent peak - discussion
   • Coherent polarization rings from MCB at 5GeV for ideal parallel needle beam on infinitely thin diamond. ( MCB Input)
   • Coherent polarization rings from MCB at 5GeV for ideal focused beam on infinitely thin diamond.( MCB Input)
6. Progress toward integrated beamline simulation - Richard J.
7. Progress toward determination of the PS acceptance - Alex S.
8. Progress toward a common beam energy scale - Richard J.
9. Any other business