Difference: JetCalibrationTTBarEvents (4 vs. 5)

Revision 52010-02-01 - AndreaMassironi

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META TOPICPARENT name="AndreaMassironi"

Jets calibration using $t\bar{t}$ events

Line: 162 to 154
 

Jet from W identification in $t\bar{t}$ events

Added:
>
>
Identification of 4 jets based on LikelihoodRatio estimator: LR = L(signal) / L(background). Variables used:

  • ΔR bb
  • ΔR qq
  • b tag from b
  • b tag from q
  • pT from b
  • pT from q

img78c5da62fbacd32652117af2e76dc0fd.png
ΔR bb
imgec74bf0ffdd6c81d943dbed82131e40a.png
ΔR qq
img2ebf118138fe2b77aa4ed38c91d44d2d.png
pT of RECO b jet
imgc0e30bac7a2076781843cb19ecfb1c72.png
trackCountingHighEffBJetTags of RECO b jet
img1d5df28b2639b8823a5063ced9d87708.png
trackCountingHighEffBJetTags of RECO q (from W) jet

The best jet combination is defined as the one that maximizes

\[ P = \Pi LR_{i} \]
 

Background sample

 
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