GlueX-Collaboration-May-2020

GlueX Collaboration Meeting

May 11 to 15, 2020 Virtual Meeting Online

The May GlueX Collaboration Meeting will be held online.

Registration

Everyone participating in the collaboration meeting is required to register even though the meeting is virtual. Please visit the Registration Page. You are advised to use the meeting start and and end dates as the arrival and departure dates. There is no fee for this meeting.

To see who else will be attending either in person or via electronic media, please see the

Current List of Participants Page

DRAFT Agenda

Please find a draft agenda below. We will plan to have plenary format meetings before lunch with smaller, informal meetings in the afternoon

Note: All speakers should plan to use the last 5 minutes of their allocated time for questions and discussion.

Monday, May 11

Morning

• Overview and recent run (Chair: Curtis)
  • 9:00 - 9:10: Opening Remarks
  • 9:10 - 9:35: Hall D Status (Eugene)
  • 9:35 -10:00: Summary of spring run and accelerator performance (Alexandre?)
  • 10:00 - 10:30: Status of engineering and detector upgrade construction including CPP and FCAL2 (Tim?)

• Detector working group reports (Chair: Sean)
  • 11:00 - 11:25: Calorimetry
  • 11:25 - 11:50: Tracking
  • 11:50 - 12:15: DIRC
  • 12:15 - 12:40: Timing and Global PID

Afternoon

• 1:30: Collaboration Board Meeting (chair: Reinhard) [BlueJeans: xxxx]
• 3:00: Tracking, DIRC and PID systematics discussion (discussion leader: Justin) [BlueJeans: xxxx]

Tuesday, May 12

Morning

• Analysis Systematics (Chair: Justin)
  • 9:00 - 9:30: Beam-line overview
  • 9:30 - 10:00: Status of flux and polarization determination for all runs
  • 10:00 - 10:30: Summary of MC modeling of overall detector efficiency and run-period dependence (Sean)

• Cross sections and beam asymmetries (Chair Zisis)
  • 11:00-11:30: Cross section measurements at all energies for η, η', and π⁰
  • 11:30-12:00: Summary of remaining beam asymmetry measurements
  • 12:00-12:30: Vector meson cross sections and SDMEs (Alex?)

Afternoon

• 1:30: Additional analysis reports related to cross sections and SDMEs [BlueJeans: xxxx]
  • 1:30 - 2:00: Discussion of SDME systematic uncertainties (Alex)
  • 2:00 - 2:30: ...
• 4:00: Discussion of the status of the "event overlap problem" (? organizer ?)

Wednesday, May 13

Morning

• Preparations for the PAC (Chair: Curtis)
  • 9:00 - 9:20: Neutral pion polarizability
  • 9:20 - 9:40: Charged pion polarizability
  • 9:40- 10:00: GDH sum rule
  • 10:00 - 10:20: GlueX-II and JEF
  • 10:20 - 10:40: Discussion of final preparations

• PrimEx-η hardware and analysis (Chair: Liping)
  • 11:15 - 11:45: Calorimeter status: hardware (COMPCAL) and calibrations
  • 11:45 - 12:15: Report on extraction of Compton cross section and status of systematic uncertainties

Afternoon

• 1:30: Technical discussion of PrimEx systematics, calorimeter calibration, etc. (organizer?)

Thursday, May 14

Morning

• Hybrid searches at GlueX (Chair: Matt)
  • 9:00 - 9:30: Hybrid properties from Lattice QCD (to be confirmed, speaker?)
  • 9:30 - 10:00: Joint Physics Analysis Center collaboration on hybrid observables and backgrounds (JPAC speaker)
  • 10:00 - 10:30: Summary of GlueX hybrid search activities (Colin?)

• Activities related to hybrid searches (Chair: Alex A.)
  • 11:00 - 11:30: Amplitude analysis of π⁰π⁰ (Annika?)
  • 11:30 - 12:00: η'π event selection and projected yields (Rupesh?)
  • 12:00 - 12:30: b₁ cross section and ωπ amplitude analysis (Foda?)
  • ηπ and η'π (Zach Baldwin)

Afternoon

• 1:30: Additional analysis reports related to hybrid searches (Chair: Justin)
  • 1:30 - 2:00: Production of b₁Δ⁺⁺ (Amy?)
  • 2:00 - 2:30: Status of topology surveys (?)

• 3:30: Discussion concerning action items for amplitude analysis tool development (organizer: Alex A.?)

Friday, May 15

Morning

• 9:00 - 9:30: Differential cross section of J/ψ production using both J/ψ decay modes (Lubomir?)
• Hyperons (Chair: Reinhard)
  • 9:30 - 10:00: Cascade production (Ashley?)
  • 10:00 - 10:30: Production of baryon-antibaryon (Hao?)
• Summary and Closeout
  • 11:00 - 11:20: Report from the Collaboration Board
  • 11:20 - 11:50: Physics coordinator report and summary (Sean)
  • 11:50 - 12:20: Discussion of what we have learned, action items, and near term milestones
  • 12:20 - 12:30: Closeout