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Recent Changes

• 15-Jan-2007
  • Store MuonSegment objects in a new collection.
  • Pass roads with real widths to segment makers.
  • Merged branch with EE fix to main trunk.
  • New tag MuGirl-00-00-29.
• 01-Jan-2007
  • Added event and run numbers to NTuple
  • Fixed region of crude extrapolation to EE
• 24-Oct-2006
  • Enabled CSC segment maker
  • Restored use of DHough MDT segment maker by default
  • New tag MuGirl-00-00-20.
• 18-Oct-2006
  • Enabled call to DHough MDT segment maker on the new interface. To use, add MuGirl.MDTSegmentMaker="HoughMDTTrkFinderTool" to your job options.
  • Added virtual void Candidate::postProcess() to support STau
• 15-Oct-2006
  • Added station BMF
  • New tag MuGirl-00-00-19.
• 09-Oct-2006
  • Added HitError to the NTuple
• 02-Oct-2006
  • Updated ANN for barrel and end-cap, using RPC segments information
  • bags fixed in MDT.cxx
  • checked in MuGirl, see ChangeLog
  • To compile with 12.0.X (rel_3) co following packages
    • Reconstruction/MuonIdentification/MuGirl
    • Reconstruction/MuonIdentification/MuGirlEvent
    • MuonSpectrometer/MuonRecTools/RPC_LinearSegmentMakerTool
    • MuonSpectrometer/MuonRecTools/TGC_LinearSegmentMakerTool
    • MuonSpectrometer/MuonRecUtils/MuonLinearSegmentMakerUtilities
• 23-Sep-2006
  • Enabled use of Muon::DCMathSegmentMaker for MDT. The default is Hough. To use DCMath, add the following line to your JO: MuGirl.MDTSegmentMaker = "Muon::DCMathSegmentMaker"
  • Implemented some plugs for memory leak
  • Fixed some compiler warnings
  • No new tags. Affected packages are
    • Reconstruction/MuonIdentification/MuGirl
    • Reconstruction/MuonIdentification/MuGirlEvent
    • MuonSpectrometer/MuonRecTools/RPC_LinearSegmentMakerTool
    • MuonSpectrometer/MuonRecTools/TGC_LinearSegmentMakerTool
    • MuonSpectrometer/MuonRecUtils/MuonLinearSegmentMakerUtilities
• 24-Aug-2006
  • Expanded road η widths
  • Make RPC segments based of fit of Z to R and of φ to R
  • Tagged and collected all MuGirl-related packages
• 23-Aug-2006
  • MuGirlEvent - added two functions to get Angles, new tag MuGirlEvent-00-00-04
  • MuGirlParticleCreator - set Angles to AOD, new tag MuGirlParticleCreator-00-00-04
• 22-Aug-2006 To run MuGirl with 12.0.2 check out and build
  • Reconstruction/MuonIdentification/MuGirl
  • Reconstruction/MuonIdentification/MuGirlEvent
  • Reconstruction/MuonIdentification/MuGirlParticleCreator (not necessary)
  • MuonSpectrometer/MuonRecTools/RPC_LinearSegmentMakerTool
  • MuonSpectrometer/MuonRecUtils/MuonLinearSegmentMakerUtilities
• 21-Aug-2006
  • Compute road η width based on p_T, distance, technology, region and η.
  • Compute road φ width based on p_T.
• 11-Aug-2006
  • Cause segments with only one or two points to have a probability of 1. This affects all RPC segments.
    • New Tag RPC_LinearSegmentMakerTool-00-00-03
    • Changes to the HEAD version, but no new tag for MuGirl.
• 01-Aug-2006
  • Renamed LinearSegmentMakerUtilities to MuonLinearSegmentMakerUtilities. So in order to run the latest MuGirl, check out and build
    • MuonSpectrometer/MuonRecTools/RPC_LinearSegmentMakerTool
    • MuonSpectrometer/MuonRecUtils/MuonLinearSegmentMakerUtilities
• 31-Jul-2006
  • Added support for combined intersections
  • Added a function to determine the combined intersection in each distance/region
  • Added segment direction to the NTuple
  • To run MuGirl from HEAD, you need to check out and build the following packages:
    • MuonSpectrometer/MuonRecTools/RPC_LinearSegmentMakerTool
    • MuonSpectrometer/MuonRecUtils/LinearSegmentMakerUtilities

• 18-Jul-2006
  • Removed return value from the function testMuGirls().
  • New tag MuGirl-00-00-12 collected into 12.X.0.
• 28-Jun-2006
  • Fixed TGC_LinearSegmentMakerTool to limit the list of hits in the generated MuonSegment to hits actually used in the segment.
  • New tag TGC_LinearSegmentMakerTool-00-00-05.
  • Collected into 12.0.X nightlies on 29-Jun-2006.
• 20-Jun-2006
  • New variables of ANN for Barrel and End-Cap were added to ntuple. New functions are availible: annBarrel(), annEndCap() and setANN(double ann_Barrel, double ann_EndCap).
  • New tag MuGirl-00-00-11.
• 19-Jun-2006
  • Merged the branch tag MuGirl-00-00-07-02 with the main trunk. This tag compiles only on the nightlies of release 12.0.X.
  • New tag MuGirl-00-00-10.
• 08-Jun-2006
  • Added new package Reconstruction/MuonIdentification/MuGirlParticleCreator.
  • Changed the sample job options for MuGirl to activate the MuGirlToCombinedMuon algorithm.
• 07-Jun-2006
  • Tag MuGirl-00-00-07-01 Uses the new RIO_OnTrack creation tools MdtDriftCircleOnTrackCreator and MuonClusterOnTrackCreator. This tag fixes the global coordinate of the RIO_OnTrack object to be the coordinate of the input PrepData with the correction of R by cos(φ).
• 31-May-2006
  • Tag MuGirl-00-00-07 was made on 31-May-2006 just prior to the migration from ITrigRegionSelector to IRegSelSvc.
  • Tag MuGirl-00-00-08 was made on the same day after the migration. This tag cannot be used for running MuGirl until the new region selector is in place.

Usage Notes

Presentations

• - MuGirl talk from Trigger and Physics Week, May 2006
• - Tool-based architecture of the MuGirl algorithm
• - MuGirl talk from Atlas Muon Reconstruction, June 22 2006

Notes

• Abstract and summary submitted to NSS 2006

Performance

Performance and Plots

• Release 12.0.4 MuGirl-26-00-00-03
  • Efficiensy for 100 GeV muons
    • Vs. eta
    • Vs. phi
• Release 11.5.0, MuGirl-00-00-07-01
  • ANN preliminary study
    • End-Cap results plot, file and file
    • Barrel results plot, file and file
    • - variables used in NN (how use ANN in root)
    • - preparation of signal/background samples, analisys using ANN
    • We apply ANN calulation on the tracks which passed preliminary selection
      • barrel NN > 0.3 and endcap NN > 0.3
        • High p_T μ number of hits/segments, direction plots
        • Low p_T μ number of hits/segments, direction plots

• Release 11.5.0, MuGirl-00-00-06
  • Difference between direction in η of intersection of MDT/TGC fit and extrapolated ID track in the same chamber, Middle distance.
    • μ: MDT, TGC
    • Candidates that are not associated with truth μ but are associated with a μ founded in the Muon Spectrometer entrance (decay from π and K): MDT, TGC
    • Fakes: MDT, TGC
  • Efficiency vs. transverse momentum
  • Efficiency vs. η
  • Distance in η between MDT hits in the Inner distance of the Barrel and ID(black) and MDT(red) intersections extrapolated from the same distance:
    • 6 GeV, DC2 data; 20 GeV, DC2 data
  • Distance in η between MDT hits in the Inner distance of the Endcap and ID(black) and MDT(red) intersections extrapolated from the same distance:
    • 6 GeV, DC2 data; 20 GeV, DC2 data
  • Distance in η between MDT hits in the Middle distance of the Barrel and ID(black) and MDT(red)/TGC(blue) intersections extrapolated from the same distance:
    • 6 GeV, DC2 data; 20 GeV, DC2 data
  • Distance in η between MDT hits in the Middle distance of the Endcap and ID(black) and MDT(red)/TGC(blue) intersections extrapolated from the same distance:
    • 6 GeV, DC2 data; 20 GeV, DC2 data
  • Distance in η between MDT hits in the chambers of the Outer distance and MDT evaluated intersections extrapolated from the MDT segment from the Middle distance:
    • 20 GeV, DC3 data

AOD

Validation

• Tag MuGirl-00-00-11
  • 1000 26 GeV single muons
• Tag MuGirl-00-00-10
  • 1000 6 GeV single muons

Code

• ATLAS CVS repository

Known problems

• Wrong global parameters returned in MuonSegment
• No RPC or CSC segments

Tools

• Validation functions
  • Intersections/Hits: Description, Code
  • Efficiency/Background rate calculations and J/ψ analysis: Code
  • Difference between direction in η: Code

Todo List

People

E-mail