Difference between revisions of "JEF meeting, February 26, 2021"
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* Simulations | * Simulations | ||
#* [https://halldweb.jlab.org/wiki/images/e/e3/Glue-jefxd-igal-jaegle-26022021.pdf ig's update] | #* [https://halldweb.jlab.org/wiki/images/e/e3/Glue-jefxd-igal-jaegle-26022021.pdf ig's update] | ||
| + | |||
| + | =Minutes= | ||
| + | Attendees: Igal,Zisis,Phil,Susan,Jared,Sasha,Jon,Azizah,Tim B.,Liping,Arshak | ||
| + | * PMT dividers ready to be shipped to Zisis | ||
| + | ** Chris S. fixed some issues with the boards | ||
| + | * SICCAS finally responded to our requests for updates | ||
| + | ** Expect to ship another batch of crystals (~200?) after return from Chinese holiday | ||
| + | ** Need to spend money soon -- some indication from Sasha that we can use OPS money? | ||
| + | * Need to order more PMTs this fiscal year (long lead time: 4-5 months for delivery) | ||
| + | * Work continues on refurbishing Light Monitoring System for COMCAL | ||
| + | ** Using wider diameter fibers, getting much larger light output | ||
| + | ** Using alpha source for LED stability measurements | ||
| + | * Work continues for improving active base design | ||
| + | ** Want to get Fernando B. more involved | ||
| + | ** Want to decouple power for amp from other part of base | ||
| + | ** Maybe not need amplifier for COMCAL, allow for optional small (~3x) amplification? | ||
| + | * Some discussion regarding use of SiPMs instead of PMTS | ||
| + | ** Not feasible for insert (already have ~600 PMTs) but EIC folks are thinking of using SiPMs: maybe we can contribute to effort in some way? | ||
| + | ** Would probably have to use an array for typical crystal dimensions | ||
| + | ** Radiation hardness? (need to worry about neutrons...) | ||
| + | * Igal has been looking at 3γ and 4γ final states in data and bggen background simulations | ||
| + | ** Rough agreement between MC and data for 3γ case, but more features seen in real data | ||
| + | ** Looking for evidence of direct B production in π0γ | ||
Latest revision as of 09:20, 1 March 2021
Meeting time and location= 8:30 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 "##"
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- or, List of International Numbers
- If connecting via Polycom unit:
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- Enter meeting ID above
Agenda
- SICCAS crystals
- COMCAL tests, TAC running, etc.
- SiPM discussion
- Data analysis
- Simulations
Minutes
Attendees: Igal,Zisis,Phil,Susan,Jared,Sasha,Jon,Azizah,Tim B.,Liping,Arshak
- PMT dividers ready to be shipped to Zisis
- Chris S. fixed some issues with the boards
- SICCAS finally responded to our requests for updates
- Expect to ship another batch of crystals (~200?) after return from Chinese holiday
- Need to spend money soon -- some indication from Sasha that we can use OPS money?
- Need to order more PMTs this fiscal year (long lead time: 4-5 months for delivery)
- Work continues on refurbishing Light Monitoring System for COMCAL
- Using wider diameter fibers, getting much larger light output
- Using alpha source for LED stability measurements
- Work continues for improving active base design
- Want to get Fernando B. more involved
- Want to decouple power for amp from other part of base
- Maybe not need amplifier for COMCAL, allow for optional small (~3x) amplification?
- Some discussion regarding use of SiPMs instead of PMTS
- Not feasible for insert (already have ~600 PMTs) but EIC folks are thinking of using SiPMs: maybe we can contribute to effort in some way?
- Would probably have to use an array for typical crystal dimensions
- Radiation hardness? (need to worry about neutrons...)
- Igal has been looking at 3γ and 4γ final states in data and bggen background simulations
- Rough agreement between MC and data for 3γ case, but more features seen in real data
- Looking for evidence of direct B production in π0γ
