Difference between revisions of "February 5, 2021 DIRC"

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(Agenda)
(Agenda)
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#** Full-size 3-segment mirror prototypes: test began on [https://logbooks.jlab.org/entry/3864139 Jan 22] with weekly inspections:  [https://logbooks.jlab.org/entry/3865871 Feb 1]
 
#** Full-size 3-segment mirror prototypes: test began on [https://logbooks.jlab.org/entry/3864139 Jan 22] with weekly inspections:  [https://logbooks.jlab.org/entry/3865871 Feb 1]
 
#** [https://logbooks.jlab.org/entry/3865872 Top/bottom mirror prototype:] plan to begin water test on Monday
 
#** [https://logbooks.jlab.org/entry/3865872 Top/bottom mirror prototype:] plan to begin water test on Monday
 +
#* North mirror box un-installed and inspected:
 +
#** [https://logbooks.jlab.org/entry/3865875 Inspection of mirrors and dye test]
 +
#** Removing all mirrors and plan to re-anodize at local shop
 
#* Next steps in mirror process:
 
#* Next steps in mirror process:
 
#** Final modifications to mirror sizes (Justin), then order borofloat (several weeks lead time for previous order)
 
#** Final modifications to mirror sizes (Justin), then order borofloat (several weeks lead time for previous order)

Revision as of 10:37, 5 February 2021

Meeting Information

GlueX DIRC Meeting
Friday February 5, 2021
10:00 am, ET
Remote only

Connection Using Bluejeans

  1. To join via Polycom room system go to the IP Address: 199.48.152.152 (bjn.vc) and enter the meeting ID: 846453895.
  2. To join via a Web Browser, go to the page [1] https://bluejeans.com/846453895 .
  3. To join via phone, use one of the following numbers and the Conference ID: 846453895
    • US or Canada: +1 408 740 7256 or
    • US or Canada: +1 888 240 2560
  4. More information on connecting to bluejeans is available.

Agenda

  1. Announcements
    • Collaboration Meeting: Feb 17-19. DIRC update talk by Bill planned for Wed afternoon.
    • TIPP Conference: abstracts due Feb 7 (Sunday)
  2. Mirror prototype test plan (All)
    • Discussion of prototypes and ongoing tests
      • Half-size prototype: test began on Dec 22, inspections Jan 19 and Feb 1 show air gap is maintained over 6 weeks
      • Full-size 3-segment mirror prototypes: test began on Jan 22 with weekly inspections: Feb 1
      • Top/bottom mirror prototype: plan to begin water test on Monday
    • North mirror box un-installed and inspected:
    • Next steps in mirror process:
      • Final modifications to mirror sizes (Justin), then order borofloat (several weeks lead time for previous order)
      • Production mirror assembly planned for clean hood, and water tested in Hall D
    • Other thoughts or suggestions?
  3. Diffuser status (Bill)
  4. DIRC commissioning analyses and 2020 studies (All)
    • Spring 2020 data production status (Justin)
    • Geometric reconstruction update
      • Update on shift of the time difference (Roman)
      • Cherenkov PDF (Ahmed)
    • FastDIRC update (Yunjie)
  5. AOB