Difference between revisions of "BLTWG Meeting 03/01/2023"

Revision as of 15:38, 1 March 2023

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

Announcements
Accelerator update -- Edith
- Next steps toward a 1cm x 1cm beam spot raster at the photon collimator?
Polarimetry
- TPOL polarimetry update -- Michael
- polarimetry from hadron decays -- Alexander A.
  - First results from 2023: [1][2][3]
Ongoing tagger work
- tagger microscope timing recalibration -- Ellie Prather
- understanding the ratty discriminator rate profile since 2/15/2023 -- Richard Jones
- vertical electron collimation in the TAGM -- discussion
Systematics studies
- Beam current measurement -- Alexandre, Richard
- TAC (CCAL) normalization -- Sasha
- PS and tagger energy calibration -- Richard, Sasha
- Photon beam systematics report -- Richard
Tests for future running at higher beam intensity
- tests of different X-ray absorbers - -Justin
- construction of a prototype beamline X-ray deflector - Richard
Diamond radiators
- plans for the next run at CLS -- Richard
Any other business

@@ Line 15: / Line 15: @@
 #* TPOL polarimetry update -- ''Michael''
 #* polarimetry from hadron decays -- ''Alexander A.''
+#** First results from 2023: [https://halldweb.jlab.org/wiki/images/3/3f/Rho_coh_2023-01_batch0102.png][https://halldweb.jlab.org/wiki/images/1/17/Rho_allE_2023-01_batch0102.png][https://halldweb.jlab.org/wiki/images/9/90/Psigma_2023-01_batch010203.png]
 # Ongoing tagger work
 #* tagger microscope timing recalibration -- ''Ellie Prather''