Analysis Overview and Sensitivity in Different Regions for ZH H2a4b
Get insights into the analysis overview and sensitivity in different regions concerning ZH H2a4b. Explore the process details, Z mass windows, and impact on top background control using various flavor conditions. Dive deep into Higgs mass sensitivity analyses with different flavor dileptons and investigate the regions with differing b-tag and jet combinations, offering valuable data for 2025/6/4.
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H2a4b updates --Zelin Yan 2025/6/4 1
Analysis overview Process:ZH,H 2a 4b,Z ll Btag wp: GN2v01_FixedCutBEff_65 Zmass window : 50GeV < mll < 130GeV Zmass window inverse Mass point: 12, 20, 30, 60GeV Use different flavor condition to control top bkg(ee/mumu emu) 2025/6/4 2
Sensitivity in different regions(higgs mass [90,150)[GeV], dilepton same flavour) inverse inverse 0b2j 0b2j 0b3j 0b3j 0b4j 0b4j 1b2j 1b2j 1b3j 1b3j 1b4j 1b4j 2b2j 2b2j 2b3j 2b3j 2b4j 2b4j 3b3j 3b3j 3b4j 3b4j 4b4j 4b4j 12GeV <0.001 <0.001 0.000 0.004 0.002 0.001 0.018 0.013 0.012 <0.001 <0.001 0.000 20GeV 0.001 <0.001 <0.001 0.006 0.002 0.002 0.011 0.008 0.008 0.009 0.010 0.003 30GeV <0.001 0.001 <0.001 0.005 0.004 0.002 0.005 0.005 0.005 0.049 0.037 0.028 60GeV <0.001 <0.001 0.001 0.006 0.004 0.003 0.001 0.001 0.002 0.040 0.044 0.035 0b2j 0b2j 0b3j 0b3j 0b4j 0b4j 1b2j 1b2j 1b3j 1b3j 1b4j 1b4j 2b2j 2b2j 2b3j 2b3j 2b4j 2b4j 3b3j 3b3j 3b4j 3b4j 4b4j 4b4j 12GeV 0.012 0.003 0.001 0.084 0.058 0.045 1.161 0.848 0.713 0.013 0.012 0.000 20GeV 0.016 0.013 0.005 0.102 0.077 0.053 0.588 0.483 0.449 0.960 0.670 0.112 30GeV 0.010 0.017 0.010 0.134 0.098 0.069 0.291 0.278 0.287 2.461 2.150 1.395 60GeV 0.005 0.017 0.021 0.158 0.124 0.081 0.066 0.071 0.088 2.023 2.074 2.213
Sensitivity in different regions(higgs mass [90,150)[GeV], dilepton different flavour) inverse inverse 0b2j 0b2j 0b3j 0b3j 0b4j 0b4j 1b2j 1b2j 1b3j 1b3j 1b4j 1b4j 2b2j 2b2j 2b3j 2b3j 2b4j 2b4j 3b3j 3b3j 3b4j 3b4j 4b4j 4b4j 12GeV 0.003 0.001 0.003 0.002 0.002 0.000 0.000 0.000 20GeV 0.005 <0.001 <0.001 0.002 0.002 0.001 0.002 0.002 <0.001 <0.001 30GeV 0.002 0.002 <0.001 0.001 0.001 0.009 0.010 0.004 60GeV 0.003 0.002 0.001 <0.001 <0.001 <0.001 0.010 0.008 0.011 0b2j 0b2j 0b3j 0b3j 0b4j 0b4j 1b2j 1b2j 1b3j 1b3j 1b4j 1b4j 2b2j 2b2j 2b3j 2b3j 2b4j 2b4j 3b3j 3b3j 3b4j 3b4j 4b4j 4b4j 12GeV <0.001 0.003 0.002 0.002 0.000 0.000 0.000 20GeV 0.001 0.001 0.001 0.001 0.002 0.002 0.000 <0.001 <0.001 30GeV 0.002 0.001 <0.001 0.001 0.008 0.007 0.001 60GeV 0.001 <0.001 <0.001 <0.001 0.008 0.006 0.008
Left: Zmass window inverse Right: Zmass window 1b4j region emu inverse emu ee/mumu inverse ee/mumu
Left: Zmass window inverse Right: Zmass window 2b4j region emu inverse emu ee/mumu inverse ee/mumu
Left: Zmass window inverse Right: Zmass window 3b4j region emu inverse inverse emu emu emu ee/mumu inverse ee/mumu
Left: Zmass window inverse Right: Zmass window 4b4j region emu inverse emu ee/mumu inverse ee/mumu
Summary & Plans Suppress Z+jets bkg when using different flavour leptons(emu) emu + Z mass window lowest sensitivity & better ttbar CR Successfully run data samples Plans: Data/MC in ttbar CR
Back up --Zelin Yan 2025/6/4 10
Signal vs bkg Easyjet Easyjet event preselection event preselection Jet reco4PFlowJet; pt > 20GeV; | | < 4.5; Btag_wp:GN2v01_FixedCutBEff_65 2-lep: singlep. Trigger + dilep. Trigger; exactly 2 leptons and same/anti-flavour; Electron: ID: TightLH; Iso Tight_VarRad; pt > 10GeV; | | < 2.47 & excluding 1.37 < | | < 1.52 Muon: ID: Medium; Iso:PflowLoose_VarRad ; pt > 10GeV ; | | < 2.5 Ntuple Ntuple event preselection event preselection 1. Singlelep. Triggers + dilep. Triggers 2. At least 2 jets 3. Lepton Cut: 1. Exactly 2 leptons 2. Leading lep. pt > 27 GeV & sub-leading lep. pt > 10GeV 3. Electron: | | < 2.47 & excluding 1.37 < | | < 1.52 4. Muon: | | < 2.5 4. Tight jet cut: pt > 20GeV ; | | < 2.5 ; jet cleaning 5. Dilepton mass window: 50GeV < mll < 130GeV(tight tight- -inverse inverse) 2025/6/4 11
Left: Zmass window inverse Right: Zmass window 0b2j region emu inverse emu ee/mumu inverse ee/mumu
Left: Zmass window inverse Right: Zmass window 0b3j region emu inverse emu ee/mumu inverse ee/mumu
Left: Zmass window inverse Right: Zmass window 0b4j region emu inverse emu ee/mumu inverse ee/mumu
Left: Zmass window inverse Right: Zmass window 1b2j region emu inverse emu ee/mumu inverse ee/mumu
Left: Zmass window inverse Right: Zmass window 1b3j region emu inverse emu ee/mumu inverse ee/mumu
Left: Zmass window inverse Right: Zmass window 1b4j region emu inverse emu ee/mumu inverse ee/mumu
Left: Zmass window inverse Right: Zmass window 2b2j region emu inverse emu ee/mumu inverse ee/mumu
Left: Zmass window inverse Right: Zmass window 2b3j region emu inverse emu ee/mumu inverse ee/mumu
Left: Zmass window inverse Right: Zmass window 2b4j region emu inverse emu ee/mumu inverse ee/mumu
Left: Zmass window inverse Right: Zmass window 3b3j region emu inverse emu ee/mumu inverse ee/mumu
Left: Zmass window inverse Right: Zmass window 3b4j region(loose) emu inverse inverse emu emu emu ee/mumu inverse ee/mumu
Left: Zmass window inverse Right: Zmass window 4b4j region emu inverse emu ee/mumu inverse ee/mumu
