Difference between revisions of "BLTWG Meeting 08/03/2022"
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# Issues related to the CPP run | # Issues related to the CPP run | ||
#* updated values for the x and y electron beam emittances -- ''Yves'' | #* updated values for the x and y electron beam emittances -- ''Yves'' | ||
− | #* | + | #* improvements to the online coherent bremsstrahlung tools -- ''Richard'' |
− | #** | + | #** https://zeus.phys.uconn.edu/halld/cobrems/ratetool.cgi |
− | #* | + | #** https://cn410.storrs.hpc.uconn.edu/spotfinder |
− | #* calibration of the active collimator distance scale -- '' | + | #* calibration of the active collimator distance scale -- ''Richard'' |
#* other issues? -- ''anyone?'' | #* other issues? -- ''anyone?'' | ||
# Polarimetry | # Polarimetry | ||
− | #* | + | #* TPOL polarimetry update -- ''Michael'' |
#* polarimetry from pair production -- ''Andrew'' | #* polarimetry from pair production -- ''Andrew'' | ||
#* polarimetry from hadron decays -- ''Alexander A.'' | #* polarimetry from hadron decays -- ''Alexander A.'' | ||
− | + | #* quick check using CBSA (enhancement) -- 'Richard'' | |
− | #* quick check using CBSA (enhancement) -- ' | + | |
# Photon beam simulations | # Photon beam simulations | ||
#* active collimator simulations -- ''Richard'' | #* active collimator simulations -- ''Richard'' | ||
− | # | + | # TAC run results for CPP -- ''Sasha'' |
− | # PS and tagger calibration -- Sasha | + | # PS and tagger energy calibration -- ''Sasha'' |
− | # | + | # Luminosity determination for PrimEx -- ''Sasha'' |
# Photon beam systematics writeup -- ''Richard'' | # Photon beam systematics writeup -- ''Richard'' | ||
# Diamond radiators | # Diamond radiators | ||
#* recent progress in radiator fabrication -- ''Richard'' | #* recent progress in radiator fabrication -- ''Richard'' | ||
− | |||
# Preparation for the PrimEx run in August | # Preparation for the PrimEx run in August | ||
− | #* Moving TAGM to the nominal position | + | #* Update on TAGM photon yield decline over time -- ''Ellie'' |
− | #* Repair TAGH counters | + | #* Moving TAGM back to the nominal position during Aug. break -- ''Richard'' |
+ | #* Repair / reinstall of TAGH counters during Aug. break -- ''Sasha'' | ||
# Any other business | # Any other business | ||
=== Notes === | === Notes === |
Revision as of 17:37, 2 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
- Announcements
- Accelerator update -- Edith
- Explanation for the marked improvement in beam stability at the collimator?
- Next steps toward a 1cm x 1cm beam spot raster at the photon collimator?
- Issues related to the CPP run
- updated values for the x and y electron beam emittances -- Yves
- improvements to the online coherent bremsstrahlung tools -- Richard
- calibration of the active collimator distance scale -- Richard
- other issues? -- anyone?
- Polarimetry
- TPOL polarimetry update -- Michael
- polarimetry from pair production -- Andrew
- polarimetry from hadron decays -- Alexander A.
- quick check using CBSA (enhancement) -- 'Richard
- Photon beam simulations
- active collimator simulations -- Richard
- TAC run results for CPP -- Sasha
- PS and tagger energy calibration -- Sasha
- Luminosity determination for PrimEx -- Sasha
- Photon beam systematics writeup -- Richard
- Diamond radiators
- recent progress in radiator fabrication -- Richard
- Preparation for the PrimEx run in August
- Update on TAGM photon yield decline over time -- Ellie
- Moving TAGM back to the nominal position during Aug. break -- Richard
- Repair / reinstall of TAGH counters during Aug. break -- Sasha
- Any other business