April 7, 2014, Physics Working Group

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Meeting Time and Place

The meeting will be on Monday April 7, 2014 at 11:30am EDT. For those people at Jefferson Lab, the meeting will be in room F326.

Meeting Connections

To connect from the outside:

Bluejeans Information

The meeting this week will be made using the bluejeans video conferencing solution supported by Jefferson Lab. You can find information from Jefferson Lab on this product as well as some notes that we within GlueX have made GlueX Bluejeans Video Conferencing. You should be able to connect seamlessly with virtually any device. If you have a polycom device, or want to connect through your web browser or tablet, use the Network Connection below. If you want to connect via phone, then use the phone information from below. The main drawback is that you may not be able to connect via a browser using a linux computer.

Bluejeans Applications

The first time that you connect to a bluejeans meeting, you will be prompted to install an application for your web browser. Versions of these for Windows and Mac OS have been placed on docDb as document 2435. You can also find apps for iOS and android.

Join Bluejeans via Polycom room system

    • Network Connection
      • IP Address:
      • URL: bjn.vc
    • Enter Meeting ID: 115815824

Join Bluejeans via a Web Browser

    • If you have not registered with bluejeans through JLab:
    • If you have registered with bluejeans through JLab:
      • URL: [2]
      • Enter Conference ID: 115815824

Join Bluejeans via Phone

    • Dial-in phone number:
      • US or Canada: +1 408 740 7256 or
      • US or Canada: +1 888 240 2560
      • Dial-in international phone numbers
    • Enter Conference ID: 115815824


  1. Announcements
  2. Collaboration Meeting May 12-14
  3. Data Challenge Update Event Tally
  4. Update on PAC proposal on Rare η Decays
    • Simulations for η → π+π-π0 are underway (Simon Taylor)
      • Channel allows access to up/down quark mass difference
      • Simulated beam photons in 7-12 GeV range
      • Current efficiency for this channel with 1% CL cut on kinematic fit seems low at ~17~18%, still investigating...
  5. Practice Talk (Mark Dalton): The GlueX Experiment and the soft gluonic field


No announcements; simulations for PAC proposal underway.