GlueX Physics Workshop 2016

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Purpose

  • To give an overview of recent developments in hadron spectroscopy, with a focus on physics analysis opportunities with Jefferson Lab experimental data.
  • To discuss software and analysis techniques that will be essential in extracting first physics results from GlueX data.
  • To have hands-on sessions for participants to actively engage in performing physics analyses.

These talks, tutorials, and hands-on sessions will be catered towards graduate students to help familiarize them with doing physics analyses with Jefferson Lab experimental data.

Although this workshop is GlueX-focused, its content is of interest to the larger Jefferson Lab hadron spectroscopy community, and all are invited to attend.

Location and Time

The workshop will take place at:

DATES: May 11 - 13, 2016

LOCATION: CEBAF Center L102 - L104

Registration & Requirements

  • [Registration Page]
  • All attendees are required to bring their own laptop to the workshop.
    • It must have enough memory (4+ GB RAM preferred) and free hard disk space (~15+ GB) to run a virtual machine, which will be distributed at the workshop.
    • It must have VirtualBox installed (v4.2.14 or later): Download VirtualBox
    • If you are attending remotely, instructions for obtaining the virtual machine image are below.

Remote Participation

  1. To join via a Web Browser, go to the page [1] https://bluejeans.com/115815824.
  2. To join via Polycom room system go to the IP Address: 199.48.152.152 (bjn.vc) and enter the meeting ID: 115815824.
  3. To join via phone, use one of the following numbers and the Conference ID: 115815824.
    • 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: Wednesday May 11, 2016

  • 1:30 Introduction & Physics with GlueX (120) --- Chair: Paul Mattione
    • 1:30 Session 1a (10) --- Welcome and Getting Started --- Paul Mattione
    • 1:40 Session 1b (30) --- Overview of Meson Spectroscopy --- Matt Shepherd (Ask) --- (No exercise)
    • 2:10 Session 1c (30) --- Physics with Early GlueX Data --- Volker Crede (Ask) --- (Introduce g, p -> omega, p) (No exercise)
    • 2:40 Session 1d (50) --- Lattice QCD and GlueX --- Jozef Dudek (Committed) --- (Overview, GlueX-related results, future prospects) (No exercise)
  • 3:30 Coffee (20)
  • 3:50 Analysis Basics & JANA (90) --- Chair: Justin Stevens
    • 3:50 Session 2a (30) --- Analysis Basics --- Paul Mattione --- (PID, Beam photon selection, Particle Combos, kinematic fitting overview) (No exercise)
    • 4:20 Session 2b (60) --- Event Selection in JANA --- Paul Mattione --- (Get through JANA to ROOT: Loose mass & PID cuts, etc.) (Exercise)
  • 5:20 Adjourn

Agenda: Thursday May 12, 2016

  • 8:30 Analysis in ROOT (120) --- Chair: Sean Dobbs
    • 8:30 Session 3a (60) --- Introduction --- Paul Mattione --- (Selectors, TParticle*, Examples (kinematics)) (Exercise)
    • 9:30 Session 3b (60) --- Event Selection in ROOT --- Justin Stevens --- (Fit to pi0 & omega, tight mass cuts, etc.) (Exercise)
  • 10:30 Coffee (20)
  • 10:50 Extracting Physics (70) --- Chair: Justin Stevens
    • 10:50 Session 4a (35) --- Production mechanisms, Polarization observables, & SDMEs --- Curtis Meyer (Committed) (No exercise)
    • 11:25 Session 4b (35) --- Moving from simulation to experimental data: --- Sean Dobbs --- (efficiencies, resolution matching, acceptance, systematics, flux, cross section) (No exercise)
  • 12:00 Lunch (90)
  • 1:30 Measuring Polarization Observables and SDMEs (120) --- Chair: Paul Mattione
    • 1:30 Session 5a (60) --- Beam asymmetry extraction --- Justin Stevens --- (simple example: gp -> p pi0, then omega channel) (Exercise)
    • 2:30 Session 5b (60) --- Extracting SDMEs --- Justin Stevens --- (w/ AmpTools & acceptance correction) (Exercise)
  • 3:30 Coffee (20)
  • Physics: Looking forward (70) --- Chair: Sean Dobbs
    • 3:50 Session 6a (35) --- Resonance Extraction: Working with JPAC --- Adam Szczepaniak (Ask) (e.g. what's the general strategy) (No exercise)
    • 4:25 Session 6b (35) --- Charm Physics with GlueX --- Eric Swanson (Ask) (No exercise)
  • 5:00 Adjourn
  • 6:00 Reception

Agenda: Friday May 13, 2016

  • 8:30 Working with Experimental Data (100) --- Chair: Justin Stevens
    • 8:30 Session 7a (40) --- Data & Computing Resources --- Mark Ito (General info: disks, software, versions; Get data: Jasmine, Info on runs: RCDB, Look at data: Monitoring (web & db), Submit jobs?) (Exercise?)
    • 9:20 Session 7b (60) --- Selecting Your Data --- Sean Dobbs (SWIF, EventStore (skims!), Monitoring DB, RCDB, good run selection) (Exercise, submit jobs, look at databases)
  • 10:10 Coffee (20)
  • 10:30 Open Session: Q & A + User Analyses (90) --- Chair: Paul Mattione
    • This session is an opportunity for users to ask the experts any question about doing a physics analysis. Then, the analysis experts will be available to help users on their analyses of their own channels (or with the example ω analysis).
  • 12:00 Lunch (90)
  • 1:30 Bonus Open Session (Optional) (210) --- Chair: Sean Dobbs
    • This session is an opportunity for users to ask the experts any question about doing a physics analysis. Then, the analysis experts will be available to help users on their analyses of their own channels (or with the example ω analysis).
  • 5:00 Adjourn
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