Difference between revisions of "BLTWG Meeting 03/28/2016"

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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
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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.-->
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* Present: Richard J., Brendan P., Justin S., Elton S., Mike D., Dan S., Nathan S., Alex D., Eugene C., Hovanes E., Alex S., Curtis M., and Hovanes E.
  
 
=== Agenda ===
 
=== Agenda ===
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# Updated results from CHESS run in Feb. 2016 - ''Richard J.''
 
# Updated results from CHESS run in Feb. 2016 - ''Richard J.''
 
#* [https://docs.google.com/spreadsheets/d/1v2lTIeHomF46NVSnvGhSi8oYJj6Tkd3zv341_EqYlrs/edit?usp=sharing GlueX diamond inventory]
 
#* [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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# Update on beam polarization determination - ''anyone''
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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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# Next steps for improved thin diamonds - ''Richard Jones''
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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)
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# Update on TAGH calibration and performance - ''Nathan S.''
 
# Update on TAGH calibration and performance - ''Nathan S.''
 
# Update on the TAGM calibration and performance - ''Alex B.''
 
# Update on the TAGM calibration and performance - ''Alex B.''
 
# Update on diamond radiator fabrication - ''Brendan P.''
 
# Update on diamond radiator fabrication - ''Brendan P.''
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# Update on polarimetry - ''Michael D./Nathan S.''
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# Update on triplet polarimetry - ''Michael D./Nathan S.''
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#* [https://userweb.jlab.org/~dugger/triPol/polUpdate3-28-2016.pdf Energy deposition comparison of MC to real data]
 
# Update on the pair spectrometer - ''Sascha S.''
 
# Update on the pair spectrometer - ''Sascha S.''
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#* [[PS acceptance determination and photon flux]]
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#* [https://logbooks.jlab.org/entry/3391076 logbook entry 3391076]
 
# Any other business
 
# Any other business
  
 
=== Notes ===
 
=== Notes ===

Latest revision as of 18:39, 29 March 2016

Organization

  • Time: 11:30 EDT
  • Connecting: detailed instructions are here
  • Conference id: 536076821
  • Present: Richard J., Brendan P., Justin S., Elton S., Mike D., Dan S., Nathan S., Alex D., Eugene C., Hovanes E., Alex S., Curtis M., and Hovanes E.

Agenda

  1. Announcements
  2. Update on slow locks and fast feedback - Alexandre D.
  3. Updated results from CHESS run in Feb. 2016 - Richard J.
  4. Update on beam polarization determination - anyone
  5. Next steps for improved thin diamonds - Richard Jones
  6. Update on TAGH calibration and performance - Nathan S.
  7. Update on the TAGM calibration and performance - Alex B.
  8. Update on diamond radiator fabrication - Brendan P.
  9. Update on triplet polarimetry - Michael D./Nathan S.
  10. Update on the pair spectrometer - Sascha S.
  11. Any other business

Notes

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