Difference between revisions of "February 5, 2021 DIRC"
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GlueX DIRC Meeting<br> | GlueX DIRC Meeting<br> | ||
Friday February 5, 2021<br> | Friday February 5, 2021<br> | ||
− | + | 10:00 am, ET<br> | |
'''Remote only''' | '''Remote only''' | ||
Line 17: | Line 17: | ||
# Announcements | # Announcements | ||
− | #* Collaboration Meeting | + | #* Collaboration Meeting: [https://halldweb.jlab.org/wiki/index.php/GlueX-Collaboration-Feb-2021 Feb 17-19]. DIRC update talk by Bill planned for Wed afternoon. |
+ | #* [https://tipp2021.triumf.ca/abstracts.html TIPP Conference:] abstracts due Feb 7 (Sunday) | ||
# [https://halldweb.jlab.org/wiki/index.php/Mirror_prototype_test_plan#Proposed_prototypes Mirror prototype test plan] (All) | # [https://halldweb.jlab.org/wiki/index.php/Mirror_prototype_test_plan#Proposed_prototypes Mirror prototype test plan] (All) | ||
− | #* Discussion of prototypes and ongoing tests | + | #* Discussion of prototypes and ongoing tests (Bill, All) |
+ | #** Half-size prototype: test began on [https://logbooks.jlab.org/entry/3860795 Dec 22], inspections [https://logbooks.jlab.org/entry/3865870 Jan 19] and Feb 1 show air gap is maintained over 6 weeks | ||
+ | #** Full-size 3-segment mirror prototypes: test began on [https://logbooks.jlab.org/entry/3864139 Jan 22] with weekly inspections: most recent [https://logbooks.jlab.org/entry/3865871 Feb 1] looks great | ||
+ | #** [https://logbooks.jlab.org/entry/3865872 Top/bottom mirror prototype:] plan to begin water test on Monday | ||
+ | #* North mirror box un-installed and inspected: (All) | ||
+ | #** [https://logbooks.jlab.org/entry/3865875 Inspection of mirrors with dye test]: one of 3-component mirrors remained air tight. | ||
+ | #** Removing all mirrors and plan to re-anodize strongback at local shop | ||
+ | #* Next steps in mirror process: (Justin) | ||
+ | #** 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? | #* Other thoughts or suggestions? | ||
# Diffuser status (Bill) | # Diffuser status (Bill) | ||
# DIRC commissioning analyses and 2020 studies (All) | # DIRC commissioning analyses and 2020 studies (All) | ||
− | #* [https://halldweb.jlab.org/wiki-private/index.php/Spring_2020_Dataset_Summary#Full_REST_Production Spring 2020 data production status] (Justin) | + | #* [https://halldweb.jlab.org/wiki-private/index.php/Spring_2020_Dataset_Summary#Full_REST_Production Spring 2020 data production status]: all 8 batches now in progress for REST reconstruction (Justin) |
+ | #** [https://halldweb.jlab.org/wiki-private/index.php/Spring_2020_Analysis_Launch Analysis launches] completed for batches 3, 4, 5, 8 | ||
#* Geometric reconstruction update | #* Geometric reconstruction update | ||
#** Update on shift of the time difference (Roman) | #** Update on shift of the time difference (Roman) | ||
− | #** Cherenkov PDF (Ahmed) | + | #** [https://halldweb.jlab.org/wiki/images/1/1a/CherenkovPDFs2.pdf Cherenkov PDF] (Ahmed) |
#* FastDIRC update (Yunjie) | #* FastDIRC update (Yunjie) | ||
# AOB | # AOB |
Latest revision as of 10:58, 5 February 2021
Meeting Information
GlueX DIRC Meeting
Friday February 5, 2021
10:00 am, ET
Remote only
Connection Using Bluejeans
- To join via Polycom room system go to the IP Address: 199.48.152.152 (bjn.vc) and enter the meeting ID: 846453895.
- To join via a Web Browser, go to the page [1] https://bluejeans.com/846453895 .
- 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
- More information on connecting to bluejeans is available.
Agenda
- Announcements
- Collaboration Meeting: Feb 17-19. DIRC update talk by Bill planned for Wed afternoon.
- TIPP Conference: abstracts due Feb 7 (Sunday)
- Mirror prototype test plan (All)
- Discussion of prototypes and ongoing tests (Bill, All)
- 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: most recent Feb 1 looks great
- Top/bottom mirror prototype: plan to begin water test on Monday
- North mirror box un-installed and inspected: (All)
- Inspection of mirrors with dye test: one of 3-component mirrors remained air tight.
- Removing all mirrors and plan to re-anodize strongback at local shop
- Next steps in mirror process: (Justin)
- 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?
- Discussion of prototypes and ongoing tests (Bill, All)
- Diffuser status (Bill)
- DIRC commissioning analyses and 2020 studies (All)
- Spring 2020 data production status: all 8 batches now in progress for REST reconstruction (Justin)
- Analysis launches completed for batches 3, 4, 5, 8
- Geometric reconstruction update
- Update on shift of the time difference (Roman)
- Cherenkov PDF (Ahmed)
- FastDIRC update (Yunjie)
- Spring 2020 data production status: all 8 batches now in progress for REST reconstruction (Justin)
- AOB