Difference between revisions of "February 3, 2020 DIRC"

Revision as of 14:00, 3 February 2020

Meeting Information

GlueX DIRC Meeting
Monday February 3, 2029
1:00 pm, EDT
CC F326

Connection Using Bluejeans

1. To join via Polycom room system go to the IP Address: 199.48.152.152 (bjn.vc) and enter the meeting ID: 846453895.
2. To join via a Web Browser, go to the page [1] https://bluejeans.com/846453895 .
3. To join via phone, use one of the following numbers and the Conference ID: 846453895
   • US or Canada: +1 408 740 7256 or
   • US or Canada: +1 888 240 2560
4. More information on connecting to bluejeans is available.

Agenda

1. Announcements:
   • Late DIRC2019 proceedings. Please send feedback ASAP.
2. Issues with the ongoing run:
   • North OB fiber 2: change with atmospheric pressure (Bill)
3. 2019 commissioning analyses
   • Spring 2019 DIRC Commissioning Analysis (All)
   • Fall 2019 Commissioning Analysis (All)
   • Latest data files:
     • dirc_tree files: /volatile/halld/home/gxproj7/RunPeriod-2019-11/dirc_monitoring/ver01/hists/merged/
     • DIRC LED skims: /volatile/halld/home/gxproj7/RunPeriod-2019-11/dirc_monitoring/ver01/DIRC-LED/
     • REST files: /volatile/halld/home/gxproj7/RunPeriod-2019-11/dirc_monitoring/ver01/REST/
   • Commissioning analyses (All)
   • Standalone LUT update (Ahmed/Roman) https://halldweb.jlab.org/wiki/images/4/48/Gluex_DIRC_feb_2020_1_pdf.pdf
   • FastDIRC update (Yunjie)
4. High level observables: for run-by-run comparisons and bar/x position binning over DIRC plane (All)
   • Photon yield: reflected, direct, total
   • θ_C resolution: single-photon resolution, per-track resolution (from histogram fits)
   • Timing resolution: reflected, direct
   • FastDIRC: ΔX and ΔY resolution
5. AOB