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: <!--Richard J., Mark D., Sasha S., Justin S., Dan S., Elton S., Beni Z., Alexander A., Curtis M, and Alexandre D.-->
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* 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 ===
 
# Announcements
 
# Announcements
# Beam flux
 
#* [[media:b1_crosssection.pdf|artifact seen in b1 cross section]] - ''Ahmed''
 
 
# Polarimetry
 
# Polarimetry
 
#* TPOL polarimetry update
 
#* TPOL polarimetry update
#* Progress on CBSA calculations
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#* [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 P&Sigma; for spring 2020]
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#* Polarimetry from hadron decays: [https://halldweb.jlab.org/talks/2020/rho_2019-11_ver12/psigma_vs_run.pdf P&Sigma; for spring 2020], [https://halldweb.jlab.org/talks/2020/rho_2019-11_ver12/psi0_vs_run.pdf &psi; offset]
 
#** Shift of beam spot on diamond: around runs 71730 [https://logbooks.jlab.org/entry/3778980] and 71860 [https://logbooks.jlab.org/entry/3786757]
 
#** 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]
 
#** Change of AC position: run 71992 [https://logbooks.jlab.org/entry/3793147], [https://logbooks.jlab.org/entry/3793371]
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#** [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

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
  • 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

  1. Announcements
  2. Polarimetry
  3. 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
  4. Photon beam systematics studies
  5. Ongoing investigations
    • energy-dependent beam profile from fast raster -- Richard
    • variation in collimator transmission -- updates?
    • converter thickness systematics -- 'updates?
    • other topics?
  6. Any other business

Notes