Difference between revisions of "JEF meeting, July 17, 2020"
From GlueXWiki
(→Agenda) |
|||
Line 25: | Line 25: | ||
* COMCAL tests, TAC running, etc. | * COMCAL tests, TAC running, etc. | ||
* Simulations [https://halldweb.jlab.org/wiki/images/5/52/Glue-jefxd-igal-jaegle-17072020.pdf] | * Simulations [https://halldweb.jlab.org/wiki/images/5/52/Glue-jefxd-igal-jaegle-17072020.pdf] | ||
+ | |||
+ | =Minutes= | ||
+ | Attendees: Arshak,Igal,Jon,Zisis,Liping,Josh,Tim W.,Susan,Sasha,Phil,Bill B.,S.T. | ||
+ | * Still waiting for new light guide samples | ||
+ | * mu-metal shields: company obtained new tooling ~2 weeks go, still waiting for fixed shields | ||
+ | * Sasha will talk to SICCAS contact week of 7/20/20, also hope to be able to work on QA (dimensions + ?) of received crystals | ||
+ | ** Not able to work in Hall-C lab, move some equipment to TEDF? | ||
+ | ** If light guides arrive, work on module assembly for beam test? | ||
+ | ** Can do some test using sodium-22 source | ||
+ | * Chris S. working on revised PMT base layout | ||
+ | ** Space for dip switches | ||
+ | ** Still need some resistor info from Vlad P. | ||
+ | ** Plan for Chris to assemble 2 bases to install in COMCAL | ||
+ | * Order placed for HV | ||
+ | * Contract work for new SICCAS order ongoing | ||
+ | * Igal gave a presentation showing his work on simulations for η→π0γγ | ||
+ | ** Some discussion about how to estimate number of expected ηs | ||
+ | ** How to fold in random backgrounds? Use COMCAL data? | ||
+ | ** Do we need to fold in beam polarization? | ||
+ | ** Retrain ML for splitoffs? Matt suggests wait until have real data | ||
+ | ** Some structure seen in π0γ for B-boson test need to be understood | ||
+ | ** Suggestions brought up during discussion: | ||
+ | *** Look at efficiency | ||
+ | *** Look at Dalitz distribution | ||
+ | *** Look at η→3π0 background | ||
+ | *** Look at using an existing tool such as [https://www-hades.gsi.de/?q=pluto pluto] to deal with η decays | ||
+ | * Plan to create common directory accessible on ifarm for JEF simulations | ||
+ | * Sasha will look into elog for JEF | ||
+ | * Liping plans to work on letter of intent for Snowmass | ||
+ | * Meeting ended with discussion of what work can be done remotely given MEDCON-5 | ||
+ | ** PMT base checkout? | ||
+ | ** Igal suggested Phil's student could help out with dark scalar efforts |
Latest revision as of 07:38, 20 July 2020
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
- Preparation for module fabrication
- COMCAL tests, TAC running, etc.
- Simulations [1]
Minutes
Attendees: Arshak,Igal,Jon,Zisis,Liping,Josh,Tim W.,Susan,Sasha,Phil,Bill B.,S.T.
- Still waiting for new light guide samples
- mu-metal shields: company obtained new tooling ~2 weeks go, still waiting for fixed shields
- Sasha will talk to SICCAS contact week of 7/20/20, also hope to be able to work on QA (dimensions + ?) of received crystals
- Not able to work in Hall-C lab, move some equipment to TEDF?
- If light guides arrive, work on module assembly for beam test?
- Can do some test using sodium-22 source
- Chris S. working on revised PMT base layout
- Space for dip switches
- Still need some resistor info from Vlad P.
- Plan for Chris to assemble 2 bases to install in COMCAL
- Order placed for HV
- Contract work for new SICCAS order ongoing
- Igal gave a presentation showing his work on simulations for η→π0γγ
- Some discussion about how to estimate number of expected ηs
- How to fold in random backgrounds? Use COMCAL data?
- Do we need to fold in beam polarization?
- Retrain ML for splitoffs? Matt suggests wait until have real data
- Some structure seen in π0γ for B-boson test need to be understood
- Suggestions brought up during discussion:
- Look at efficiency
- Look at Dalitz distribution
- Look at η→3π0 background
- Look at using an existing tool such as pluto to deal with η decays
- Plan to create common directory accessible on ifarm for JEF simulations
- Sasha will look into elog for JEF
- Liping plans to work on letter of intent for Snowmass
- Meeting ended with discussion of what work can be done remotely given MEDCON-5
- PMT base checkout?
- Igal suggested Phil's student could help out with dark scalar efforts