Difference between revisions of "GlueX Offline Meeting, September 21, 2011"

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(notes as minutes)
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Talks can be deposited in the directory <code>/group/halld/www/halldweb1/html/talks/2011-3Q</code> on the JLab CUE. This directory is accessible from the web at https://halldweb1.jlab.org/talks/2011-3Q/ . You have to be a member of the "halld" Unix group to do this.
 
Talks can be deposited in the directory <code>/group/halld/www/halldweb1/html/talks/2011-3Q</code> on the JLab CUE. This directory is accessible from the web at https://halldweb1.jlab.org/talks/2011-3Q/ . You have to be a member of the "halld" Unix group to do this.
 +
 +
=Minutes=
 +
 +
offline meeting minutes
 +
 +
Present
 +
 +
simon elliott mark elton dmitry hovanes yi sascha
 +
kei matt ryan
 +
paul m, curtis, will
 +
andrei
 +
nathan
 +
 +
1:31
 +
 +
announcements
 +
 +
no more phone
 +
 +
elliott soa workshop, contact if interested dave and elliott will attend
 +
 +
variable thresholds in code now. not how it will be done david
 +
 +
Andrei: segmentation scheme, not agree, reconstrcution code effects energy resolution. if noise added or hits missed
 +
calibration will bias means
 +
 +
bother updating kloe: kloe default is still used in the fine segmentation scheme
 +
keep to kloe alive, keep for now
 +
 +
david
 +
 +
single particle plugin
 +
if two particles, two events are made
 +
 +
simon
 +
 +
 +
 +
sub groups
 +
 +
matt calorimetry
 +
 +
list of things, 1234 segmentation,334 to switch
 +
geometry not as flexible as originally thought
 +
will working on it
 +
 +
timing offsets
 +
time is set by timeof highest energy block
 +
xyz is not taken into account
 +
will take some work and attention: matt will try this himself
 +
 +
simon, tracking
 +
 +
quality of track candidates
 +
found issues with angle guess for very forward going tracks
 +
fixed up angle in track candidate
 +
some minor changes
 +
 +
farming out fiducial cuts a possible issue
 +
design goal one degree
 +
 +
paul pid
 +
 +
new scheme, slightly different
 +
 +
hermes log of prob ratios beni
 +
 +
instead of adding chisq , try to weight chisq from different sources, the way to do that is not clear, problem is that errors are correlated

Revision as of 17:01, 21 September 2011

GlueX Offline Software Meeting
Wednesday, September 21, 2011
1:30 pm EDT
JLab: CEBAF Center F326

Agenda

  1. Announcements
  2. Review of minutes from the last meeting: all
  3. Reconstruction sub-group reports
    1. Calorimeters: Matt
    2. Tracking: Simon
    3. PID: Paul M.: GlueX Particle ID, Uncertainties Update
  4. Compressed Data Format Update: Richard or Igor
  5. BCAL Reconstruction Update: Will
  6. Plug-in to extract single particles from multi-particle events (email) : David
  7. Tracking explained: Simon
  8. Resources: an idea for managing large files: Dmitry
  9. Collaboration Meeting Agenda
  10. Action Item Review
  11. Review of recent repository activity: all

Communication Information

Telephone

To connect by telephone:

  1. dial:
  2. enter access code followed by the # sign: 3421244#

Video Conferencing

Slides

Talks can be deposited in the directory /group/halld/www/halldweb1/html/talks/2011-3Q on the JLab CUE. This directory is accessible from the web at https://halldweb1.jlab.org/talks/2011-3Q/ . You have to be a member of the "halld" Unix group to do this.

Minutes

offline meeting minutes

Present

simon elliott mark elton dmitry hovanes yi sascha kei matt ryan paul m, curtis, will andrei nathan

1:31

announcements

no more phone

elliott soa workshop, contact if interested dave and elliott will attend

variable thresholds in code now. not how it will be done david

Andrei: segmentation scheme, not agree, reconstrcution code effects energy resolution. if noise added or hits missed calibration will bias means

bother updating kloe: kloe default is still used in the fine segmentation scheme keep to kloe alive, keep for now

david

single particle plugin if two particles, two events are made

simon


sub groups

matt calorimetry

list of things, 1234 segmentation,334 to switch geometry not as flexible as originally thought will working on it

timing offsets time is set by timeof highest energy block xyz is not taken into account will take some work and attention: matt will try this himself

simon, tracking

quality of track candidates found issues with angle guess for very forward going tracks fixed up angle in track candidate some minor changes

farming out fiducial cuts a possible issue design goal one degree

paul pid

new scheme, slightly different

hermes log of prob ratios beni

instead of adding chisq , try to weight chisq from different sources, the way to do that is not clear, problem is that errors are correlated

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