Difference between revisions of "July 9, 2019 DIRC"
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#** Further cleaning options: | #** Further cleaning options: | ||
#*** Disassemble mirror strongback for better access and try further cleaning with Hastilite | #*** Disassemble mirror strongback for better access and try further cleaning with Hastilite | ||
| − | #*** Relative reflectivity measurement for areas with discoloration and residue | + | #*** Relative reflectivity measurement for areas with discoloration and residue [https://halldweb.jlab.org/DocDB/0035/003581/002/DIRC_meeting_9_July_2019.pdf Bill] |
#*** Place mirror assembly in water (fish tank?) and evaluate effect of discoloration on reflectivity underwater | #*** Place mirror assembly in water (fish tank?) and evaluate effect of discoloration on reflectivity underwater | ||
#* Tests of composition from oxidized surfaces (Eugene) | #* Tests of composition from oxidized surfaces (Eugene) | ||
#* Epoxy test samples to prevent corrosion of exposed aluminum surfaces (Tim, Bill, All) | #* Epoxy test samples to prevent corrosion of exposed aluminum surfaces (Tim, Bill, All) | ||
| − | #** 7/1: [https://logbooks.jlab.org/entry/3697224 Initiate | + | #** 7/1: [https://logbooks.jlab.org/entry/3697224 Initiate tests] |
#** 7/3: [https://logbooks.jlab.org/entry/3698479 First water changeout, no issues] | #** 7/3: [https://logbooks.jlab.org/entry/3698479 First water changeout, no issues] | ||
#** 7/5: [https://logbooks.jlab.org/entry/3698889 Second water changeout, no issues] | #** 7/5: [https://logbooks.jlab.org/entry/3698889 Second water changeout, no issues] | ||
| Line 37: | Line 37: | ||
#** 2 weeks: after receiving gold-plated screws, install in upper bar boxes and proceed with installing North OB | #** 2 weeks: after receiving gold-plated screws, install in upper bar boxes and proceed with installing North OB | ||
# [[Spring 2019 DIRC Commissioning|Spring 2019 DIRC Commissioning Analysis]] (All) | # [[Spring 2019 DIRC Commissioning|Spring 2019 DIRC Commissioning Analysis]] (All) | ||
| − | #* | + | #* [https://halldweb.jlab.org/wiki/images/2/2d/Tracking_DIRC_alignment.pdf Tracking-DIRC alignment study] (Yunjie) |
| − | #* Commissioning LUT analyses (Ahmed/Roman) | + | #* Commissioning LUT analyses (Ahmed/Roman) | [http://web-docs.gsi.de/~aali/ahmeddirc/pages/glx_sys_distribution.html Reconstructed Cherenkov angle Systematics] |
#* Contributions to Jerry's DIRC review article (Yunjie, All) | #* Contributions to Jerry's DIRC review article (Yunjie, All) | ||
# Software/simulations | # Software/simulations | ||
Latest revision as of 12:50, 9 July 2019
Meeting Information
GlueX DIRC Meeting
Tuesday July 9, 2019
1:00 pm, EDT
JLab F326
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
- Installation work:
- Mirror cleaning: (Greg)
- Initial cleaning with Isopropyl
- Current status after initial Hastilite cleaning
- Further cleaning options:
- Disassemble mirror strongback for better access and try further cleaning with Hastilite
- Relative reflectivity measurement for areas with discoloration and residue Bill
- Place mirror assembly in water (fish tank?) and evaluate effect of discoloration on reflectivity underwater
- Tests of composition from oxidized surfaces (Eugene)
- Epoxy test samples to prevent corrosion of exposed aluminum surfaces (Tim, Bill, All)
- Next steps:
- Ship remaining mirror pieces from Bates to JLab
- Next week: decide on epoxy for pin holes of Upper (North) OB. Apply epoxy and re-install mirror box in OB for installation
- 2 weeks: after receiving gold-plated screws, install in upper bar boxes and proceed with installing North OB
- Mirror cleaning: (Greg)
- Spring 2019 DIRC Commissioning Analysis (All)
- Tracking-DIRC alignment study (Yunjie)
- Commissioning LUT analyses (Ahmed/Roman) | Reconstructed Cherenkov angle Systematics
- Contributions to Jerry's DIRC review article (Yunjie, All)
- Software/simulations
- FastDIRC geometry implementation and alignment work (Cris/Yunjie)
- Software overview and tasks (All)
- AOB
