Difference between revisions of "JEF meeting, June 25, 2021"
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* Module fabrication | * Module fabrication | ||
* COMCAL tests, TAC running, etc. -- Sasha | * COMCAL tests, TAC running, etc. -- Sasha | ||
− | [[File:ccal_lms1.jpg]] | + | :: LMS |
+ | [[File:ccal_lms2.jpg|100px]] [[File:ccal_lms1.jpg|100px]] | ||
+ | :: Broken Strips | ||
+ | |||
+ | [[File:ccal_rep4.jpg|100px]] [[File:ccal_rep2.jpg|100px]] [[File:ccal_rep3.jpg|100px]] | ||
+ | |||
+ | :: Divider installation | ||
+ | |||
+ | [[File:ccal_rep1.jpg|100px]] | ||
+ | |||
* Data analysis | * Data analysis | ||
* Simulations | * Simulations | ||
* [https://halldweb.jlab.org/doc-private/DocDB/ShowDocument?docid=5179 JEF abstract for DNP2021] | * [https://halldweb.jlab.org/doc-private/DocDB/ShowDocument?docid=5179 JEF abstract for DNP2021] | ||
+ | |||
+ | =Minutes= | ||
+ | Attendees: Arshak,Zisis,Jane,Sasha,Phil,Tim B.,Jon,Jared,Varun,Liping,Susan,Bill B.,Olga,S.T. | ||
+ | * Sasha/Jane/Liping had phone meeting with SICCAS contact last Sunday | ||
+ | ** Contact reported progress regarding lead oxide powder: SICCAS expect to receive new powder mid-July | ||
+ | *** SICCAS will then grow some test samples (~2 week scale) to verify quality | ||
+ | ** SICCAS also worked on reusing ingots to grow new crystals | ||
+ | ** New batch by September/October? | ||
+ | * Still substantial schedule risk for procuring all needed crystals by 2023 | ||
+ | ** Discussed purchasing Crytur crystals as a backup plan | ||
+ | ** Possibly get SICCAS crystals from Hall-C (NPS plans to use Crytur crystals) | ||
+ | * COMCAL refurbishment continues | ||
+ | ** All bundles for LMS are ready | ||
+ | *** Sasha checked light transmission using black box setup, found good uniformity | ||
+ | ** All dividers checked, bottom row reinstalled | ||
+ | ** Reapplied optical grease for 33 modules | ||
+ | ** Found one broken brass strap, probably weakened due to corrosion arising from flux that was not fully cleaned off | ||
+ | * FCAL-2 module construction to resume in July with UNCW student help | ||
+ | ** Maybe use FCAL-2 modules in COMCAL for PrimEx run in 2022 | ||
+ | * Plan to submit proposal to next year's PAC to ask for more time for JEF program | ||
+ | ** Need to redo simulations with smaller insert size |
Latest revision as of 15:06, 25 June 2021
Meeting time and location= 9:00 am EST (JLab time) Bluejeans only
Connection instructions
We are using BlueJeans Video/Audio conferencing. Our meeting ID number is 992533564. Click "Expand" for more details.
- Make sure you have created a BlueJeans account via your JLab CUE account using this link:
- http://jlab.bluejeans.com (You should only need to do this once)
- If connecting via Web Browser: click this link (no passcode is needed):
- If connecting via Phone: Dial one of the following numbers and then enter the meeting ID above and hit "#" or "##"
- Dial: 1 888 240 2560 (US or Canada only)
- or, List of International Numbers
- If connecting via Polycom unit:
- Dial 199.48.152.152 or bjn.vc
- Enter meeting ID above
Agenda
- SICCAS crystals
- Module fabrication
- COMCAL tests, TAC running, etc. -- Sasha
- LMS
- Broken Strips
- Divider installation
- Data analysis
- Simulations
- JEF abstract for DNP2021
Minutes
Attendees: Arshak,Zisis,Jane,Sasha,Phil,Tim B.,Jon,Jared,Varun,Liping,Susan,Bill B.,Olga,S.T.
- Sasha/Jane/Liping had phone meeting with SICCAS contact last Sunday
- Contact reported progress regarding lead oxide powder: SICCAS expect to receive new powder mid-July
- SICCAS will then grow some test samples (~2 week scale) to verify quality
- SICCAS also worked on reusing ingots to grow new crystals
- New batch by September/October?
- Contact reported progress regarding lead oxide powder: SICCAS expect to receive new powder mid-July
- Still substantial schedule risk for procuring all needed crystals by 2023
- Discussed purchasing Crytur crystals as a backup plan
- Possibly get SICCAS crystals from Hall-C (NPS plans to use Crytur crystals)
- COMCAL refurbishment continues
- All bundles for LMS are ready
- Sasha checked light transmission using black box setup, found good uniformity
- All dividers checked, bottom row reinstalled
- Reapplied optical grease for 33 modules
- Found one broken brass strap, probably weakened due to corrosion arising from flux that was not fully cleaned off
- All bundles for LMS are ready
- FCAL-2 module construction to resume in July with UNCW student help
- Maybe use FCAL-2 modules in COMCAL for PrimEx run in 2022
- Plan to submit proposal to next year's PAC to ask for more time for JEF program
- Need to redo simulations with smaller insert size