Boosted ZHLL analysis. Wataru OKAMURA 27/12/2011
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1 Boosted ZHLL analysis Wataru OKAMURA 27/2/2
2 Used dataset NTUP_HSG5ZHLL - ZHllbb boosted Filter ZHllbb_boostedFilter.py (NTUP_HSG5ZHLL) at least jet from CamKt2LCTopoJets collection with pt>5 GeV either >2 electrons from the ElectronAODCollection with ET > 5 GeV and cluster eta < 2.5, or >=2 muons from the MuidMuonCollection with pt > 5 GeV and eta < 2.6 missing ET < 5 GeV 2
3 Used dataset dataset name N events (before filter) N events (after filter) xsec [nb] 935.ZH2llbb_pythia.merge.NTUP_HSG5ZHLL.e825_s3 _s3_r273_r27_p T_McAtNlo_Jimmy.merge.NTUP_HSG5ZHLL.e835_s2 72_s274_r273_r278_p AlpgenJimmyZeebbNp_nofilter.merge.NTUP_HSG5ZHL L.e835_s3_s3_r273_r27_p AlpgenJimmyZeebbNp_nofilter.merge.NTUP_HSG5ZHL L.e835_s3_s3_r273_r27_p E E E E+ 3
4 Used dataset dataset name N events (before filter) N events (after filter) xsec [nb] 932.AlpgenJimmyZeebbNp2_nofilter.merge.NTUP_HSG5ZHL L.e835_s3_s3_r273_r27_p AlpgenJimmyZeebbNp3_nofilter.merge.NTUP_HSG5ZHL L.e835_s3_s3_r273_r27_p AlpgenJimmyZmumubbNp_nofilter.merge.NTUP_HSG5 ZHLL.e835_s3_s3_r273_r27_p AlpgenJimmyZmumubbNp_nofilter.merge.NTUP_HSG5 ZHLL.e835_s3_s3_r273_r27_p E E E E-3 4
5 Used dataset dataset name N events (before filter) N events (after filter) xsec [nb] 937.AlpgenJimmyZmumubbNp2_nofilter.merge.NTUP_HSG5 ZHLL.e835_s3_s3_r273_r27_p AlpgenJimmyZmumubbNp3_nofilter.merge.NTUP_HSG5 ZHLL.e835_s3_s3_r273_r27_p AlpgenJimmyZtautaubbNp_nofilter.merge.NTUP_HSG5 ZHLL.e835_s3_s3_r273_r278_p AlpgenJimmyZtautaubbNp_nofilter.merge.NTUP_HSG5 ZHLL.e835_s3_s3_r273_r27_p E E E E-3 5
6 Used dataset dataset name N events (before filter) N events (after filter) xsec [nb] 932.AlpgenJimmyZtautaubbNp2_nofilter.merge.NTUP_HSG5 ZHLL.e835_s3_s3_r273_r27_p AlpgenJimmyZtautaubbNp3_nofilter.merge.NTUP_HSG5 ZHLL.e835_s3_s3_r273_r27_p HerwigWZ_pt.merge.NTUP_HSG5ZHLL.e825_s3 _s3_r273_r27_p HerwigZZ_pt.merge.NTUP_HSG5ZHLL.e825_s3 _s3_r273_r27_p E E E E-4 6
7 Electron Selection Object Selection - 4-vector : el_et=el_cl_e/cosh(el_tracketa), el_tracketa, el_trackphi, el_cl_e. author== author==3 2. medium== 3. Et>2 GeV 4. eta < OQ&446== 6. ptcone2/pt<. 7. overlap removal Electron with ΔR<.2 to a muon candidate are removed 7
8 Muon Selection () - - Muon id : Staco 4-vector : mu_staco_pt, mu_staco_eta, mu_staco_phi, mu_staco_e. iscombinedmuon issegmenttaggedmuon 2. BLayer :! expectblayerhit nblhits> 3. Pixel : (npixhits+npixeldeadsensors)> 4. SCT : (nscthits+nsctdeadsensors)>5 5. PixSCTHoles : (npixholes+nsctholes)<3 6. TRT : z< mm 8. d< mm 9. pt>2 GeV 8
9 Muon Selection (2). eta <2.5.ptcone2/pt<. I don t care smearing and scaling for electron and muon. 9
10 Jet Selection - - Jet algorithm : AntiKt4TopoEMJets 4-vector : AntiKt4TopoEM_pt, AntiKt4TopoEM_eta, AntiKt4TopoEM_phi, AntiKt4TopoEM_E. E> GeV 2.! isbadloose 3.! isugly 4. pt>25 GeV 5. eta < jvtxf> overlap removal Jets with ΔR<.4 to a selected electron are removed
11 Event Selection. HFor Rejection : top_hfor_type<4 2. N_good_lepton> 3. Trigger - - electron : EF_e2_medium EF_e22_medium muon : EF_mu8_MG EF_mu4_MSonly_barrel 4. Vertex : Primary vertex containing at least 3 tracks 5. 2 leptons of same flavour 6. 2 leptons of opposite charge 7. 76<M ll <6 GeV
12 8. MET<5 GeV 9. At least 2 jets.exactly 2 b-jets - JetFitterCOMBNN>.35 Boosted cut.angular : Δφ(ZH) >2π/3 2.Z candidate Pt>5 GeV 3.Higgs candidate Pt>2 GeV 2
13 Cut Flow 3
14 Electron details Jet details 4
15 Muon details 5
16 MET for signal MC 6
17 Mbb for signal MC - : before boosted cuts - : after Δφ(ZH) cut - : after P T (Z) cut - : after P T (H) cut Entries 54 Mean 9.2 ±.985 RMS Underflow Overflow 2 Integral
18 Mbb for background MC Entries 262 Entries 86 7 ttbar Mean 47.3 ±.523 RMS ZeebbNp Mean 4. ± 7.42 RMS Underflow Overflow 568 Integral Underflow Overflow 7 Integral Entries 28 Entries 23 ZeebbNp Mean 6.6 ± RMS 6.89 Underflow Overflow 4 2 ZeebbNp2 Mean.3 ± 4.37 RMS 57.3 Underflow Overflow 36 8 Integral 77 8 Integral
19 Mbb for background MC Entries Entries ZeebbNp3 Mean 9. ± RMS Underflow ZmumubbNp Mean 46. ± 9.46 RMS Underflow 6 Overflow Integral 9 3 Overflow 26 Integral Entries 23 Entries 23 Mean 9.5 ± 5.36 Mean 9.9 ± 4.8 ZmumubbNp RMS 64. Underflow 2 ZmumubbNp2 RMS Underflow 8 Overflow 5 Integral 62 Overflow 34 Integral
20 Mbb for background MC Entries 99 Entries 6 ZmumubbNp3 Mean 9.4 ± RMS 57.5 ZtautaubbNp Mean ± RMS 5 Underflow Overflow 8 Integral 8.8 Underflow Overflow Integral Entries Entries ZtautaubbNp Mean ± RMS Underflow ZtautaubbNp2 Mean ± RMS Underflow.8 Overflow Integral.8 Overflow Integral
21 Mbb for background MC Entries Entries ZtautaubbNp3 Mean ± RMS Mean ± HerwigWZ_pt RMS Underflow Underflow.8 Overflow Integral.8 Overflow Integral Entries Mean ± HerwigZZ_pt RMS Underflow Overflow Integral 5 2
22 Mbb for MC (Luminosity : 4.7 fb- ) - before boosted cuts : Signal (m H =2 GeV) - : Top (ttbar) - : Z + jets - : Diboson - : Total BG - Signal Noise S/N
23 Mbb for MC (Luminosity : 4.7 fb- ) - after Δφ(ZH) cut : Signal (m H =2 GeV) - : Top (ttbar) - : Z + jets - : Diboson - : Total BG - Signal Noise S/N
24 Mbb for MC (Luminosity : 4.7 fb- ) - after P T(Z) cut : Signal (m H =2 GeV) - : Top (ttbar) - : Z + jets - : Diboson - : Total BG - -2 Signal Noise S/N
25 Mbb for MC (Luminosity : 4.7 fb- ) - after P T(H) cut : Signal (m H =2 GeV) - : Top (ttbar) - : Z + jets - : Diboson - : Total BG - -2 Signal Noise S/N
Meeting. Wataru OKAMURA 26/12/2011 Osaka ATLAS meeting
Meeting Wataru OKAMURA 6// Osaka ATLAS meeting NTUP_HSG5ZHLL ZHllbb_boostedFilter.py (NTUP_HSG5ZHLL) Used dataset at least jet from CamKtLCTopoJets collection with pt>5 GeV either > electrons from the
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