Difference between revisions of "BLTWG Meeting 03/14/2016"

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(Created page with "=== Organization === * Time: 11:30 EDT * Connecting: detailed instructions are here ** H.323 ip address: 199.48.152.152 ** web browser:...")
 
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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:  
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* Present: Richard J., Brendan P., Alex B., Mike D., Dan S., Franz K., Nathan S., Alex D., Elton S., Eugene C., Hovanes E., Mark D., Alex S., Curtis M., Ken L., and Yang G., and Hovanes E.
Richard J.,  
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Alex B.,  
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Nathan S.,  
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Tim W.,  
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Alex D.,  
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Elton S.,  
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Eugene C.,  
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Dan S.,  
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Curtis M.,  
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Alex S.,  
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Brendan P.,  
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Mark S.,  
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Hovanes E., and  
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Fridah M.
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=== Agenda ===
 
=== Agenda ===
 
# Announcements
 
# Announcements
# Progress with the winter 2016 run - ''Alexandre D.''
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# Update on slow locks and fast feedback - ''Alexandre D.''
# Update on beamline monitoring and controls - ''Alexandre D.''
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# Naming scheme for diamonds - ''Richard J.''
# [[Media:Tagger_ray_tracing_with_quadrupole.pdf|Effects of the quadrupole field on tagger optics]] - ''Dan S.''
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#* [https://docs.google.com/spreadsheets/d/1v2lTIeHomF46NVSnvGhSi8oYJj6Tkd3zv341_EqYlrs/edit?usp=sharing GlueX diamond inventory]
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# Complementarity of different ways of extracting beam polarization - ''discussion''
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#* [https://logbooks.jlab.org/files/2016/03/3390212/rhoPol_3.11.16.pdf Justin's rho asymmetry study]
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#* [http://lc.asu.edu/~dugger/TPOL/polUpdate3-14-2016.pdf Update on polarimeter results for 750 and 75 micron converters]
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#* [https://logbooks.jlab.org/entry/3390218 initial triplet polarimetry results for 50 and 20 micron diamonds]
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#* CBSA fits using Ken's phenomenological model ([https://logbooks.jlab.org/entry/3389830 1], [https://logbooks.jlab.org/entry/3388751 2], [https://logbooks.jlab.org/files/2016/02/3383648/cbremFits.pdf 3]) and [https://mailman.jlab.org/pipermail/halld-tagger/2016-March/000597.html followup comment]
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#* Utility of three different methods for complete understanding - ''Richard J.''
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#* What is needed to get a reliable polarization from CBSA? - ''discussion''
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# Differences between event rates in PARA and PERP polarization - ''discussion''
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#* [https://logbooks.jlab.org/entry/3386252 early observations] - ''Lubomir P.''
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#* [https://logbooks.jlab.org/entry/3389907 correlation with beam steering] - ''Lubomir P.''
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#* correlation with rates in the microscope - ''Richard J.''
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# Ideas for improved mounting schemes for thin diamonds - ''discussion''
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#* [https://logbooks.jlab.org/entry/3390042 alternate mounting schemes] - ''Ken L., Yang G.''
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#* comments in response - ''Richard J''
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# Blue glow from diamond in beam (sometimes) - ''discussion''
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#* [https://logbooks.jlab.org/entry/3389156 there it is!] - ''Hovanes E.''
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#* [https://logbooks.jlab.org/entry/3389363 there it isn't] - ''Reinhard S.''
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# Beam normalization studies with the TAC - ''Hovanes''
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#* Studies with [https://logbooks.jlab.org/entry/3386964 5mm collimator] and [https://logbooks.jlab.org/entry/3389160 3.4mm collimator].
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#* [https://logbooks.jlab.org/entry/3388240 very preliminary look at PS acceptance*efficiency*thickness for 750um Be and 5mm collimator] (A.Somov)
 
# Update on TAGH calibration and performance - ''Nathan S.''
 
# Update on TAGH calibration and performance - ''Nathan S.''
# [https://logbooks.jlab.org/entry/3386173 Update on the TAGM calibration and performance] - ''Alex B.''
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# Update on the TAGM calibration and performance - ''Alex B.''
# Update on diamonds - ''Brendan P.''
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# Update on diamond radiator fabrication - ''Brendan P.''
#* [http://zeus.phys.uconn.edu/halld/diamonds/chess-2-2016 initial look at CHESS results]
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# Update on polarimetry - ''Michael D./Nathan S.''
# [[Media:TPOL_comm.pdf|Update on polarimetry]] - ''Michael D./Nathan S.''
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# Update on the pair spectrometer - ''Sascha S.''
 
# Update on the pair spectrometer - ''Sascha S.''
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#* [[PS acceptance determination and photon flux]]
 
# Any other business
 
# Any other business
  
 
=== Notes ===
 
=== Notes ===

Latest revision as of 11:40, 14 March 2016

Organization

  • Time: 11:30 EDT
  • Connecting: detailed instructions are here
  • Conference id: 536076821
  • Present: Richard J., Brendan P., Alex B., Mike D., Dan S., Franz K., Nathan S., Alex D., Elton S., Eugene C., Hovanes E., Mark D., Alex S., Curtis M., Ken L., and Yang G., and Hovanes E.

Agenda

  1. Announcements
  2. Update on slow locks and fast feedback - Alexandre D.
  3. Naming scheme for diamonds - Richard J.
  4. Complementarity of different ways of extracting beam polarization - discussion
  5. Differences between event rates in PARA and PERP polarization - discussion
  6. Ideas for improved mounting schemes for thin diamonds - discussion
  7. Blue glow from diamond in beam (sometimes) - discussion
  8. Beam normalization studies with the TAC - Hovanes
  9. Update on TAGH calibration and performance - Nathan S.
  10. Update on the TAGM calibration and performance - Alex B.
  11. Update on diamond radiator fabrication - Brendan P.
  12. Update on polarimetry - Michael D./Nathan S.
  13. Update on the pair spectrometer - Sascha S.
  14. Any other business

Notes