November 4, 2013, Physics Working Group

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Meeting Time and Place

The meeting will be on Monday November 4, 2013 at 11:30am EDT. For those people at Jefferson Lab, the meeting will be in room F326.

Meeting Connections

To connect from the outside:

1.) ESNET:

   Call ESNET Number 8542553 (this is the preferred connection method).


   A conference has been booked from 11:00am until 1:00pm (EST).

3.) Phone: (should not be needed)

  +1-866-740-1260 : US and Canada
  +1-303-248-0285 : International
     then use participant code: 3421244# (the # is needed when using the phone)
     then type access code 3421244 into "join a meeting" (you need java plugin)


  1. Announcements
    1. Software Review, November 25-26, 2013.
  2. Transition to GEANT4 (Richard Jones)
  3. Fall Offline Data Challenge: Previous Data Challenge Report
  4. IU Mini Data Challenge and Hyperon Analyses Kei
  5. Physics Analyses: Overview

Notes from the Meeting

  • Richard estimates that a first GEANT4 release will be available early next year.
  • Kei reported on an IU mini data challenge based on 50M bggen events (5000 files); about 5% of the jobs failed. Any hint toward an explanation will be useful for the next large-scale data challenge. The Monte Carlo samples were used to study background of the hyperon channels and the vertex resolution using different constraints in the kinematic fit.