TWiki> Main Web>TWikiUsers>ValentinaGori>HiggsZZ2l2q>SelectionEfficiency (2013-02-12, ValentinaGori) EditAttachPDF
Electrons:
  • Kinematic preselection:
    • njets > 3,
    • j1recPt > 30,
    • dielectronmass > 12,
    • no cuts on mjj,
    • pt1 > 20, pt2 > 10
      events passing the kinematic preselection = 4459.
      kinematic preselection efficiency = 10.45 %

  • HLT-oriented cut-based preselection:
    • electron in EB: H/E<0.10, SigmaIetaIeta<0.011, abs(DeltaEtaSC)<0.01, abs(DeltaPhiSC)<0.15
    • electron in EE: H/E<0.075, SigmaIetaIeta<0.031, abs(DeltaEtaSC)<0.01, abs(DeltaPhiSC)<0.10
      events passing the hlt-oriented cut-based preselection= 4412.0
      hlt-preselection efficiency= 98.95 %

  • MVA-based identification: discriminant > 0.7
    events passing MVA-based ID selection = 4339.0
    MVA-based ID selection efficiency= 98.35 %

  • PF-based relative isolation: loose (0.4)
    events passing the loose isolation cut= 3790.0
    loose isolation cut efficiency = 87.35 %

  • Dielectron trigger: Ele17_Ele8 (parked datasets)
    events passing trigger = 3539.0
    trigger efficiency on offline selection = 93.38 %
Muons:

  • Kinematic preselection:
    • njets > 3,
    • j1recPt > 30,
    • dimuonmass > 12,
    • no cuts on mjj,
    • pt1 > 15, pt2 > 10
      events passing the kinematic preselection = 6826.0
      kinematic preselection efficiency = 15.99 %
  • cut-based identification:
    • isGlobal
    • isPF
    • trackerLayersWithMeasurements > 5
    • numberOfValidPixelHits > 0
    • numberOfValidMuonHits > 0
    • numberOfMatches > 1
    • normalizedChi2 < 10
    • abs(Dxy) < 0.2
    • abs(Dz) < 0.5
    • numberOfMatchedStations > 1
      events passing the cut-based ID selection = 6823.0
      cut-based ID selection efficiency= 99.96 %

  • PF-based relative isolation: loose (0.4)
    events passing the loose isolation cut= 5658.0
    loose isolation cut efficiency = 82.93 %

  • Dimuon trigger: Mu13_Mu8 (parked datasets)
    events passing trigger = 5248.0
    trigger efficiency on offline selection = 92.75 %
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Topic revision: r1 - 2013-02-12 - ValentinaGori
 
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