Difference between revisions of "JEF meeting, July 9, 2021"

From GlueXWiki
Jump to: navigation, search
m (Minutes)
Line 40: Line 40:
 
** Looked at 1/3 of spring 2017 data set = ~10% of expected data for JEF 100 PAC days
 
** Looked at 1/3 of spring 2017 data set = ~10% of expected data for JEF 100 PAC days
 
** Compared data with MC using several different methods for analyzing data
 
** Compared data with MC using several different methods for analyzing data
*** all masses constrained vs. &pi0; mass constrained vs. no mass constraints  
+
*** all masses constrained vs. π0 mass constrained vs. no mass constraints  
 
*** Chose "best" π0γγ combination based on χ^2 test
 
*** Chose "best" π0γγ combination based on χ^2 test
 
** Generated samples for TMVA analysis
 
** Generated samples for TMVA analysis
 
*** Simulated 2π0, ω→π0γ, η→3π0,... backgrounds
 
*** Simulated 2π0, ω→π0γ, η→3π0,... backgrounds
* Being able to test different reaction hypotheses for a given event (for example η→π+π-π0 vs. η→e+e-π0 in the works for DSelector
+
* Being able to test different reaction hypotheses for a given event (for example η→π+π-π0 vs. η→e+e-π0) in the works for DSelector
 
* Azizah gave an update on a new tool to fire 2 photons at the same time to test cluster separation
 
* Azizah gave an update on a new tool to fire 2 photons at the same time to test cluster separation

Revision as of 13:20, 9 July 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:
  • 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 "##"
  • 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.
  • Data analysis
  • Simulations
    • Di-photon Toy generator

Minutes

Attendees: Igal,Bill B.,Igor,Chase,Phil,Azizah,Jon,Zisis,Joanna,Arshak,Sasha,Varun,Olga,Jane,S.T.

  • No update from SICCAS, will organize follow-up meeting in the next 2 weeks
  • Crytur expressed interest in producing crystals for JEF
  • Sasha continues rebuilding COMCAL (installed more PMT dividers, LMS ready to go)
  • No update regarding PMT divider redesign
  • Sasha starting paperwork for loan agreement with GWU
  • UNCW students expected at the lab soon (next week?)
  • Igal gave an update on η→π0γγ
    • Looked at 1/3 of spring 2017 data set = ~10% of expected data for JEF 100 PAC days
    • Compared data with MC using several different methods for analyzing data
      • all masses constrained vs. π0 mass constrained vs. no mass constraints
      • Chose "best" π0γγ combination based on χ^2 test
    • Generated samples for TMVA analysis
      • Simulated 2π0, ω→π0γ, η→3π0,... backgrounds
  • Being able to test different reaction hypotheses for a given event (for example η→π+π-π0 vs. η→e+e-π0) in the works for DSelector
  • Azizah gave an update on a new tool to fire 2 photons at the same time to test cluster separation