Boosted ZHLL analysis Wataru OKAMURA 27/2/2
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
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_p782 52.T_McAtNlo_Jimmy.merge.NTUP_HSG5ZHLL.e835_s2 72_s274_r273_r278_p782 93.AlpgenJimmyZeebbNp_nofilter.merge.NTUP_HSG5ZHL L.e835_s3_s3_r273_r27_p782 93.AlpgenJimmyZeebbNp_nofilter.merge.NTUP_HSG5ZHL L.e835_s3_s3_r273_r27_p782 3 376 2.3E-5 497296 5257.46E- 5 828 6.55E-3 6595 2.48E+ 3
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_p782 933.AlpgenJimmyZeebbNp3_nofilter.merge.NTUP_HSG5ZHL L.e835_s3_s3_r273_r27_p782 935.AlpgenJimmyZmumubbNp_nofilter.merge.NTUP_HSG5 ZHLL.e835_s3_s3_r273_r27_p782 936.AlpgenJimmyZmumubbNp_nofilter.merge.NTUP_HSG5 ZHLL.e835_s3_s3_r273_r27_p782 4 75 8.89E-4 3769 3.9E-4 495 787 6.56E-3 3575 2.48E-3 4
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_p782 938.AlpgenJimmyZmumubbNp3_nofilter.merge.NTUP_HSG5 ZHLL.e835_s3_s3_r273_r27_p782 93.AlpgenJimmyZtautaubbNp_nofilter.merge.NTUP_HSG5 ZHLL.e835_s3_s3_r273_r278_p782 93.AlpgenJimmyZtautaubbNp_nofilter.merge.NTUP_HSG5 ZHLL.e835_s3_s3_r273_r27_p782 4 44 8.86E-4 9999 264 3.88E-4 5 38 6.56E-3 99999 998 2.48E-3 5
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_p782 933.AlpgenJimmyZtautaubbNp3_nofilter.merge.NTUP_HSG5 ZHLL.e835_s3_s3_r273_r27_p782 625.HerwigWZ_pt.merge.NTUP_HSG5ZHLL.e825_s3 _s3_r273_r27_p782 626.HerwigZZ_pt.merge.NTUP_HSG5ZHLL.e825_s3 _s3_r273_r27_p782 4 2598 8.86E-4 9 48 3.84E-4 257.7E-3 298 5.7E-4 6
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 <2.47 5. OQ&446== 6. ptcone2/pt<. 7. overlap removal Electron with ΔR<.2 to a muon candidate are removed 7
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 :... 7. z< mm 8. d< mm 9. pt>2 GeV 8
Muon Selection (2). eta <2.5.ptcone2/pt<. I don t care smearing and scaling for electron and muon. 9
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 <2.5 6. jvtxf>.75 7. overlap removal Jets with ΔR<.4 to a selected electron are removed
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
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
Cut Flow 3
Electron details Jet details 4
Muon details 5
MET for signal MC 6
Mbb for signal MC - : before boosted cuts - : after Δφ(ZH) cut - : after P T (Z) cut - : after P T (H) cut 8 7 6 Entries 54 Mean 9.2 ±.985 RMS 22.85 Underflow Overflow 2 Integral 538 5 4 3 2 7
Mbb for background MC Entries 262 Entries 86 7 ttbar Mean 47.3 ±.523 RMS 6.82 8 ZeebbNp Mean 4. ± 7.42 RMS 6.64 6 5 4 3 Underflow Overflow 568 Integral 594 7 6 5 4 3 Underflow Overflow 7 Integral 69 2 2 Entries 28 Entries 23 ZeebbNp Mean 6.6 ± 4.652 RMS 6.89 Underflow Overflow 4 2 ZeebbNp2 Mean.3 ± 4.37 RMS 57.3 Underflow Overflow 36 8 Integral 77 8 Integral 77 6 6 4 4 2 2 8
Mbb for background MC Entries Entries 7 8 7 ZeebbNp3 Mean 9. ± 5.553 RMS 52.68 Underflow 4 3.5 ZmumubbNp Mean 46. ± 9.46 RMS 63.46 Underflow 6 Overflow Integral 9 3 Overflow 26 Integral 45 5 2.5 4 2 3.5 2.5 Entries 23 Entries 23 Mean 9.5 ± 5.36 Mean 9.9 ± 4.8 ZmumubbNp RMS 64. Underflow 2 ZmumubbNp2 RMS 64.23 Underflow 8 Overflow 5 Integral 62 Overflow 34 Integral 79 6 8 6 4 4 2 2 9
Mbb for background MC Entries 99 Entries 6 ZmumubbNp3 Mean 9.4 ± 6.388 RMS 57.5 ZtautaubbNp Mean ± RMS 5 Underflow Overflow 8 Integral 8.8 Underflow Overflow Integral 4.6 3 2.4.2 Entries Entries ZtautaubbNp Mean ± RMS Underflow ZtautaubbNp2 Mean ± RMS Underflow.8 Overflow Integral.8 Overflow Integral.6.6.4.4.2.2 2
Mbb for background MC Entries Entries ZtautaubbNp3 Mean ± RMS Mean ± HerwigWZ_pt RMS Underflow Underflow.8 Overflow Integral.8 Overflow Integral.6.6.4.4.2.2 Entries 6 4 3.5 3 2.5 2.5.5 Mean 92.68 ± 8.579 HerwigZZ_pt RMS 33.23 Underflow Overflow Integral 5 2
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 -2.7262 24.982.835 22
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 -2.58529 4.74.23 23
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.99 36.3683.2722 24
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.44885 8.6825.524 25