Difference between revisions of "May 12, 2022 DIRC"
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Thursday, May 12, 2022<br> | Thursday, May 12, 2022<br> | ||
12:00 pm, ET<br> | 12:00 pm, ET<br> | ||
| − | |||
== Meeting Connections == | == Meeting Connections == | ||
| Line 47: | Line 46: | ||
# Announcements | # Announcements | ||
| − | #* Summer 2022 meeting | + | #* PrimEx run extended to 11/6/22, so next GlueX-II run with DIRC will be 11/11/22-3/19/23 (followed by long downtime for FCAL-II upgrade) |
| − | # Mirror prototype status (Justin) | + | #* [https://halldweb.jlab.org/doc-private/DocDB/ShowDocument?docid=5580 RICH2022 abstract] submitted |
| + | #* Summer 2022 meeting strategy | ||
| + | # [https://logbooks.jlab.org/entry/3994020 Mirror prototype status] (Justin) | ||
| + | # [https://logbooks.jlab.org/entry/3991839 FPGA status] (Bill) | ||
| + | # Preparation for upcoming run: | ||
| + | #* Installation of LED fibers and diffusers (next week) | ||
| + | #* Final checkout requires disconnecting CPP electronics (end of July during transition to PrimEx) | ||
# Review of 2020 studies (All) | # Review of 2020 studies (All) | ||
| − | #* Analysis Launch ver04 with corrected software for TOF timing. | + | #* [https://halldweb.jlab.org/wiki-private/index.php/Spring_2020_Analysis_Launch#Version04 Analysis Launch ver04] with corrected software for TOF timing and current DIRC corrections. |
| − | #* Analytic PDF | + | #* Analytic PDF studies |
| − | #* Geometric reconstruction | + | #* Geometric reconstruction studies |
#* Simulation needs: | #* Simulation needs: | ||
#** Ad-hoc reduction in photon yields (in mcsmear) to match data: until mirror reflectivity dependence on incident angle is implemented | #** Ad-hoc reduction in photon yields (in mcsmear) to match data: until mirror reflectivity dependence on incident angle is implemented | ||
| Line 63: | Line 68: | ||
#** Reducing background contamination in pi/K samples: KinFit Δχ<sup>2</sup> between 2pi and 2k reactions, robust sideband subtraction | #** Reducing background contamination in pi/K samples: KinFit Δχ<sup>2</sup> between 2pi and 2k reactions, robust sideband subtraction | ||
#** [https://github.com/yunjie-yang/FastDIRC4GlueX FastDIRC documentation] (Yunjie) | #** [https://github.com/yunjie-yang/FastDIRC4GlueX FastDIRC documentation] (Yunjie) | ||
| − | |||
# AOB | # AOB | ||
Latest revision as of 11:59, 12 May 2022
Meeting Information
GlueX DIRC Meeting
Thursday, May 12, 2022
12:00 pm, ET
Meeting Connections
Remote Connection
Join ZoomGov Meeting https://jlab-org.zoomgov.com/j/1607894234 (Click "Expand" to the right for more details -->):
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Agenda
- Announcements
- PrimEx run extended to 11/6/22, so next GlueX-II run with DIRC will be 11/11/22-3/19/23 (followed by long downtime for FCAL-II upgrade)
- RICH2022 abstract submitted
- Summer 2022 meeting strategy
- Mirror prototype status (Justin)
- FPGA status (Bill)
- Preparation for upcoming run:
- Installation of LED fibers and diffusers (next week)
- Final checkout requires disconnecting CPP electronics (end of July during transition to PrimEx)
- Review of 2020 studies (All)
- Analysis Launch ver04 with corrected software for TOF timing and current DIRC corrections.
- Analytic PDF studies
- Geometric reconstruction studies
- Simulation needs:
- Ad-hoc reduction in photon yields (in mcsmear) to match data: until mirror reflectivity dependence on incident angle is implemented
- Action items (from previous meetings)
- Add incident angle dependence to mirror reflectivity
- Global alignment issues see slide 15-18 of CM talk (All)
- Early studies of FDC tilt
- Possible rotation of magnetic field: impact on extrapolations to DIRC?
- Generate MC with rotated field and reconstruct with nominal?
- Reducing background contamination in pi/K samples: KinFit Δχ2 between 2pi and 2k reactions, robust sideband subtraction
- FastDIRC documentation (Yunjie)
- AOB
