Difference between revisions of "JEF meeting, May 20, 2022"
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* Data analysis | * Data analysis | ||
* Simulations | * Simulations | ||
| + | ** [https://halldweb.jlab.org/wiki/images/8/8a/Glue-jefxd-igal-jaegle-20052022.pdf Updates]-- ig | ||
* Workshops/external meetings | * Workshops/external meetings | ||
** DNP 2022 fall meeting: [https://tigers.phys.lsu.edu/dnp2022/ DNP 2022 web site] | ** DNP 2022 fall meeting: [https://tigers.phys.lsu.edu/dnp2022/ DNP 2022 web site] | ||
| − | ** | + | ** Proposal for workshop submitted to ECT* (https://www.ectstar.eu/) |
| + | *** Workshop title: Probing Low-Energy QCD, Fundamental Symmetry and BSM Physics with Light Meson Decays | ||
| + | *** Desired date: June 2023 | ||
| + | |||
| + | =Minutes= | ||
| + | Attendees: Bill, Zisis, Sasha, Arshak, Igal, Tegan, Susan, Jon, Tim B., Phil, Jane, Olga, Axel, S.T. | ||
| + | *3 students from GWU/NOVA on site | ||
| + | ** Checking quality of replacement SICCAS crystals from NPS | ||
| + | *** Lookin for color, bubbles, cracks, chips | ||
| + | *** Checking dimensions: found 1 outlier (300 microns smaller than nominal) | ||
| + | ** Wrapping crystals (32 as of meeting time) | ||
| + | ** Cutting ESR | ||
| + | * Expect 3 students from UNCW June 1 and 3 students from Lamar mid-June | ||
| + | ** All students need to take special undergraduate training | ||
| + | * Detector support group still working on wrapping and ESR preshaping | ||
| + | * Grand total of fabricated modules = 433 | ||
| + | * Arshak gave a preview of his talk for collaboration meeting next week on LMS | ||
| + | ** Highlighted plot of light intensity as a function of position along plexiglas: high intensity near edges | ||
| + | * PMT divider effort: waiting for procurement of components; still plan for fabrication in summer | ||
| + | * Igal gave an update on η→π0γγ analysis for simulated FCAL-2 events | ||
| + | ** Backgrounds from 3π0 and γγ channels | ||
| + | ** Default cluster algorithm + cuts: no obvious signal seen | ||
| + | *** Also no difference between 2 algorithms and center-of-gravity vs log-weighted positions | ||
| + | *** Looked at thrown distances between clusters | ||
| + | ** Starts to see more obvious signal peak when he applies a cut on the separation between the π0 and the bacheler γs from the signal channel | ||
| + | *** no TOF veto applied | ||
| + | ** Separation between close clusters < 15 cm with island algorithm does not agree with thrown separation | ||
| + | * ECT* proposal has been submitted | ||
Latest revision as of 13:58, 20 May 2022
meeting time and location
- 9:30 am EST (JLab time) remote only
- Zoom meeting ID: 161 050 9142 Passcode: 004965
Agenda
- Preparation for mass production of FCAL2 modules -- Sasha
- Module fabrication -- Sasha
- Light Monitoring System -- Arshak
- Data analysis
- Simulations
- Updates-- ig
- Workshops/external meetings
- DNP 2022 fall meeting: DNP 2022 web site
- Proposal for workshop submitted to ECT* (https://www.ectstar.eu/)
- Workshop title: Probing Low-Energy QCD, Fundamental Symmetry and BSM Physics with Light Meson Decays
- Desired date: June 2023
Minutes
Attendees: Bill, Zisis, Sasha, Arshak, Igal, Tegan, Susan, Jon, Tim B., Phil, Jane, Olga, Axel, S.T.
- 3 students from GWU/NOVA on site
- Checking quality of replacement SICCAS crystals from NPS
- Lookin for color, bubbles, cracks, chips
- Checking dimensions: found 1 outlier (300 microns smaller than nominal)
- Wrapping crystals (32 as of meeting time)
- Cutting ESR
- Checking quality of replacement SICCAS crystals from NPS
- Expect 3 students from UNCW June 1 and 3 students from Lamar mid-June
- All students need to take special undergraduate training
- Detector support group still working on wrapping and ESR preshaping
- Grand total of fabricated modules = 433
- Arshak gave a preview of his talk for collaboration meeting next week on LMS
- Highlighted plot of light intensity as a function of position along plexiglas: high intensity near edges
- PMT divider effort: waiting for procurement of components; still plan for fabrication in summer
- Igal gave an update on η→π0γγ analysis for simulated FCAL-2 events
- Backgrounds from 3π0 and γγ channels
- Default cluster algorithm + cuts: no obvious signal seen
- Also no difference between 2 algorithms and center-of-gravity vs log-weighted positions
- Looked at thrown distances between clusters
- Starts to see more obvious signal peak when he applies a cut on the separation between the π0 and the bacheler γs from the signal channel
- no TOF veto applied
- Separation between close clusters < 15 cm with island algorithm does not agree with thrown separation
- ECT* proposal has been submitted
