MyAnaRun2bbtt

Samples

• CxAODs
  • created by Agni, on the grid: group.phys-higgs.data(mc)15_13TeV.*..HIGG4D2.NoTauID_CxAOD.root/
• NTUPLE
  • created by Ryosuke, on the grid: user.rfuchi.data(mc)15_13TeV.*..HIGG4D2.NoTauID_0901v01_tuple.root

Object Selection

1. loose object selection

electrons (updated 16.09.2015)

• pT > 15 GeV
• |eta| < 2.47

muons (updated 16.09.2015)

• pT > 10 GeV
• |eta| < 2.5

taus (updated 16.09.2015)

• nTracks = 1or3
• charge = 1or-1
• pT > 20 GeV

jets (updated 16.09.2015)

• pT > 30 GeV
• |eta| < 4.5

2. tight object selection

following additional selections are applied for the objects passing loose selection

electrons (updated 16.09.2015)

• etcone30/pT < 0.06
• pT > 26 GeV

muons (updated 16.09.2015)

• ptcone20/pT < 0.06
• pT > 26 GeV

taus (updated 16.09.2015)

ID-Tau

• isBDTMedium = 1

• isBDTMedium = 0
• BDTScore > 0.7 * BDTLoose
  (TEMOPLARY: using same BDTLoose as Run1)

jets (updated 16.09.2015)

• no additional selection

bjets (updated 16.09.2015)

basically using

https://twiki.cern.ch/twiki/bin/view/AtlasProtected/BTagCalib2015#Default_Object_Recommendations_f

https://twiki.cern.ch/twiki/bin/view/AtlasProtected/BTaggingBenchmarks#MV2c20_tagger_AntiKt4EMTopoJets

• pT > 30 GeV
• |eta| < 2.5
• Jvt > 0.64, for pT < 50 GeV and |eta| < 2.4
• jets_MV2c20 > -0.4434 (77% working point)

3. non-isolated lepton

following additional selections are applied for the objects passing loose selection

electrons (updated 16.09.2015)

• etcone30/pT > 0.06
• pT > 26 GeV

muons (updated 16.09.2015)

• ptcone20/pT > 0.06
• pT > 26 GeV

Event Selection

Trigger

Single Lepton Trigger

electron: passHLT_e26_lhtight_iloose

muon: passHLT_mu26_imedium

Region1: Pre-selection (updated 16.09.2015)

• Dilepton Veto
  • using loose lepton
• 1 lepton
  • using tight lepton
• 1 tau
  • using tight tau
• Opposite sign(lepton,tau)
  • using tight lepton and tight tau

Region2: FF W+jets CR (updated 16.09.2015)

• Dilepton Veto
  • using loose lepton
• 1 lepton
  • using tight lepton
• 1 tau (only ID-Tau sample)
  • For ID-Tau: using tight tau
  • For Anti-Tau: no number of anti-tau requirement
• Opposite sign(lepton,tau)
  • For ID-Tau: using tight lepton and tight tau
  • For Anti-Tau: loop over all anti-tau candidates, and take OS(lepton,anti-tau)
• High mT(lepton,MET)
  • using tight lepton
  • mT(lep,met) > 70 GeV

Region3: FF QCD CR (updated 16.09.2015)

• Dilepton Veto
  • using loose lepton
• 1 lepton
  • using tight lepton
• 1 tau (only ID-Tau sample)
  • For ID-Tau: using tight tau
  • For Anti-Tau: no number of anti-tau requirement
• Opposite sign(lepton,tau)
  • For ID-Tau: using tight lepton and tight tau
  • For Anti-Tau: loop over all anti-tau candidates, and take OS(lepton,anti-tau)
• Low mT(lepton,MET)
  • using non-isolated lepton
  • mT(lep,met) < 70 GeV

Region4: FF Top CR (updated 16.09.2015)

• Dilepton Veto
  • using loose lepton
• 1 lepton
  • using tight lepton
• 1 tau (only ID-Tau sample)
  • For ID-Tau: using tight tau
  • For Anti-Tau: no number of anti-tau requirement
• Opposite sign(lepton,tau)
  • For ID-Tau: using tight lepton and tight tau
  • For Anti-Tau: loop over all anti-tau candidates, and take OS(lepton,anti-tau)
• High mT(lepton,MET)
  • using tight lepton
  • mT(lep,met) > 70 GeV
• nbjets = 1

Cut Flow

• cut flow is in following spread sheet
  • https://docs.google.com/spreadsheets/d/1Vyg5oLWqBOMiEL-WknF3pzGodTlrLcaykA4vixZAn9M/edit?usp=sharing
• event dump are in following text files(Pre-selection is applied, sample is group.phys-higgs.mc15_13TeV.361421..HIGG4D2.NoTauID_CxAOD.root.40636557/)
  
  • scan_lep_echan_info.txt
  • scan_lep_muchan_info.txt
  • scan_tau_echan_info.txt
  • scan_tau_muchan_info.txt
  • scan_weight_echan_info.txt
  • scan_weight_muchan_info.txt

Fake tau background

use FF W+jets CR, QCD CR, Top CR.

• Fake factors (78pb-1)
  • 1prong: FF_1p.eps
  • 3prong: FF_3p.eps

-- RyosukeFuchi - 2015-09-16