Difference between revisions of "BLTWG Meeting 06/09/2020"
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** phone: 408-740-7256 or 888-240-2560 | ** phone: 408-740-7256 or 888-240-2560 | ||
* Conference id: 536076821 | * Conference id: 536076821 | ||
− | * Present: | + | * Present: Richard J., Ken L., Jamie F., Mark D., Sasha S., Hovanes E., Alexander A., Elton S., Alexandre D., Ahmed F., and Curtis M. |
=== Agenda === | === Agenda === | ||
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# Polarimetry | # Polarimetry | ||
#* TPOL polarimetry update | #* TPOL polarimetry update | ||
− | #* Progress on CBSA calculations | + | #* [http://nuclear.gla.ac.uk/~jamesf/CBSA/Spring2018/CBrem_NoBadFits.html Progress on CBSA calculations] - ''Jamie'' |
+ | #* Polarimetry from hadron decays: [https://halldweb.jlab.org/talks/2020/rho_2019-11_ver12/psigma_vs_run.pdf PΣ for spring 2020], [https://halldweb.jlab.org/talks/2020/rho_2019-11_ver12/psi0_vs_run.pdf ψ offset] | ||
+ | #** Shift of beam spot on diamond: around runs 71730 [https://logbooks.jlab.org/entry/3778980] and 71860 [https://logbooks.jlab.org/entry/3786757] | ||
+ | #** Change of AC position: run 71992 [https://logbooks.jlab.org/entry/3793147], [https://logbooks.jlab.org/entry/3793371] | ||
+ | #** [https://logbooks.jlab.org/entry/3788260 Online PS enhancements]: for comparison to above changes to running conditions | ||
# Offline analysis | # Offline analysis | ||
+ | #* [[media:b1_crosssection.pdf|artifact seen in b1 cross section]] - ''Ahmed'' | ||
#* coordinated updates to ccdb for 2020 spring run | #* coordinated updates to ccdb for 2020 spring run | ||
#** hodoscope/energy_calib | #** hodoscope/energy_calib | ||
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#** microscope/integral_cuts | #** microscope/integral_cuts | ||
#* dead channels database update for spring run | #* dead channels database update for spring run | ||
− | #* | + | #* updating energy_calib for earlier run periods |
− | + | ||
# Photon beam systematics studies | # Photon beam systematics studies | ||
− | #* energy-dependent beam profile from fast raster | + | #* formation of [https://halldweb.jlab.org/wiki-private/index.php/2020_Analysis_Task_Forces#Photon_Flux_Systematics_Task_Force Photon Flux Systematics Task Force] -- ''discussion'' |
− | + | #* tagging accidentals scaling factors for spring 2020 -- ''Beni'' | |
+ | #* beam flux normalization studies -- ''Sasha'' | ||
+ | # Ongoing investigations | ||
+ | #* energy-dependent beam profile from fast raster -- ''Richard'' | ||
#* variation in collimator transmission -- ''updates?'' | #* variation in collimator transmission -- ''updates?'' | ||
− | #* converter thickness systematics | + | #* converter thickness systematics -- 'updates?'' |
− | + | ||
#* other topics? | #* other topics? | ||
# Any other business | # Any other business | ||
=== Notes === | === Notes === |
Latest revision as of 13:31, 9 June 2020
Organization
- Time: 1:30 EDT
- JLab meeting room: CEBAF Center F324-325
- 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., Ken L., Jamie F., Mark D., Sasha S., Hovanes E., Alexander A., Elton S., Alexandre D., Ahmed F., and Curtis M.
Agenda
- Announcements
- Polarimetry
- TPOL polarimetry update
- Progress on CBSA calculations - Jamie
- Polarimetry from hadron decays: PΣ for spring 2020, ψ offset
- Shift of beam spot on diamond: around runs 71730 [1] and 71860 [2]
- Change of AC position: run 71992 [3], [4]
- Online PS enhancements: for comparison to above changes to running conditions
- Offline analysis
- artifact seen in b1 cross section - Ahmed
- coordinated updates to ccdb for 2020 spring run
- hodoscope/energy_calib
- microscope/scaled_energy_range
- microscope/integral_cuts
- dead channels database update for spring run
- updating energy_calib for earlier run periods
- Photon beam systematics studies
- formation of Photon Flux Systematics Task Force -- discussion
- tagging accidentals scaling factors for spring 2020 -- Beni
- beam flux normalization studies -- Sasha
- Ongoing investigations
- energy-dependent beam profile from fast raster -- Richard
- variation in collimator transmission -- updates?
- converter thickness systematics -- 'updates?
- other topics?
- Any other business