Track Selection Effects for Muon Isolation

Different Track Selection Types:

  • No Selection - All tracks are taken as is
  • Old Selection
Cut Value
No.Hits >=8
χ2 / d.o.f. < 10
d0 < 0.1 cm
dz < 0.5 cm
  • New Selection
No.Hits [10,∞] [8,9] [5,7] [3,4]
d0 < 1 cm < 0.2 cm < 0.04 cm < 0.02 cm
dz < 5 cm < 2 cm < 0.5 cm < 0.2 cm
δ(d0) / d0 - 10 7 3
δ(dz) / dz - 10 7 3
Hits Lost - - - 0
  • Standard Selection
    • d0 < 0.1 && dz < 0.2
  • Standard Selection 0.5
    • d0 < 0.1 && dz < 0.5
  • Standard Selection 1.0
    • d0 < 0.1 && dz < 1.0

Comparison of Different Selections

  • Will compare all muons whose ctf track pass the New Selection cuts (summary of the numbers can be found here):
    • All Muons
      • lepNewtrkAll.png
    • Barrel Muons
      • lepNewtrkAllE.png
    • Endcap Muons
      • lepNewtrkAllB.png
  • As well as all muons who pass the No Selection cuts (all of them):
    • All Muons
      • lepNotrkAll.png
    • Barrel Muons
      • lepNotrkAllB.png
    • Endcap Muons
      • lepNotrkAllE.png
  • Muons who pass no selection cuts, comparing different dz cuts:
    • All Muons
      • lepNotrkStd.png
    • Barrel Muons
      • lepNotrkStdB.png
    • Endcap Muons
      • lepNotrkStdE.png

-- MatthewLeBourgeois - 14 Mar 2008

Topic attachments
I Attachment Action Size Date Who Comment
pngpng lepNewtrkAll.png manage 18.8 K 2008/03/14 - 22:46 MatthewLeBourgeois  
pngpng lepNewtrkAllB.png manage 18.9 K 2008/03/14 - 22:46 MatthewLeBourgeois  
pngpng lepNewtrkAllE.png manage 19.1 K 2008/03/14 - 22:46 MatthewLeBourgeois  
pngpng lepNewtrkStd.png manage 17.4 K 2008/03/14 - 22:46 MatthewLeBourgeois  
pngpng lepNewtrkStdB.png manage 17.4 K 2008/03/14 - 22:46 MatthewLeBourgeois  
pngpng lepNewtrkStdE.png manage 18.3 K 2008/03/14 - 22:46 MatthewLeBourgeois  
pngpng lepNotrkAll.png manage 19.0 K 2008/03/14 - 22:46 MatthewLeBourgeois  
pngpng lepNotrkAllB.png manage 18.9 K 2008/03/14 - 22:47 MatthewLeBourgeois  
pngpng lepNotrkAllE.png manage 19.3 K 2008/03/14 - 22:47 MatthewLeBourgeois  
pngpng lepNotrkStd.png manage 17.5 K 2008/03/14 - 22:47 MatthewLeBourgeois  
pngpng lepNotrkStdB.png manage 17.3 K 2008/03/14 - 22:47 MatthewLeBourgeois  
pngpng lepNotrkStdE.png manage 18.5 K 2008/03/14 - 22:47 MatthewLeBourgeois  
Topic revision: r1 - 2008/03/14 - 22:47:29 - MatthewLeBourgeois
 
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