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Top Physics Validation: 14.1.0 Reconstruction, Simulation and Bytestream Paul S Miyagawa The University of Manchester.

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Presentation on theme: "Top Physics Validation: 14.1.0 Reconstruction, Simulation and Bytestream Paul S Miyagawa The University of Manchester."— Presentation transcript:

1 Top Physics Validation: 14.1.0 Reconstruction, Simulation and Bytestream Paul S Miyagawa The University of Manchester

2 Reconstruction 14.1.0.1 vs 14.0.0.1 Objective –Check 14.1.0 reconstruction AOD Datasets (Run 5200 ttbar) –valid1.005200.T1_McAtNlo_Jimmy.recon.AOD. e322_s412_r421 Reco 14.1.0.1; 48k events –valid1.005200.T1_McAtNlo_Jimmy.recon.AOD.e322_s412_r386 (reference) Reco 14.0.0.1; 28k events Plots in Appendix A: 14.1.0 Reco vs 14.0.0 Reco –Plots show no difference –Electrons, muons, jets, b-jets, fake jets, missing Et –See web pages for more plots http://www.hep.manchester.ac.uk/atlas/TopMC/TopMCvalidation.html Paul S MiyagawaPhysics validation meeting, 16 May 20082

3 Simulation 14.1.0.1 vs 13.0.40.4 Objective –Check 14.1.0 simulation AOD Datasets (Run 5200 ttbar) –valid1.005200.T1_McAtNlo_Jimmy.recon.AOD. e322_s429_r426 Sim 14.1.0.1, CSC-05-00-00; 48k events –valid1.005200.T1_McAtNlo_Jimmy.recon.AOD.e322_s412_r421 (reference) Sim 13.0.40.4, CSC-02-01-00; 48k events Plots in Appendix B: 14.1.0 Sim vs 14.0.0 Sim –Plots show minor differences –Electrons, muons, jets, b-jets, fake jets, missing Et –See web pages for more plots http://www.hep.manchester.ac.uk/atlas/TopMC/TopMCvalidation.html Paul S MiyagawaPhysics validation meeting, 16 May 20083

4 Simulation 14.1.0.1 vs 13.0.40.4 Electrons (3) Paul S MiyagawaPhysics validation meeting, 16 May 20084 More candidates due to backtracking? Phi resolution worse?

5 Simulation 14.1.0.1 vs 13.0.40.4 b-jets (2) Paul S MiyagawaPhysics validation meeting, 16 May 20085 Reconstruction efficiency slightly lower?

6 14.1.0.1 BS  AOD vs RDO  AOD Objective –Check 14.1.0 bytestream reconstruction AOD Datasets (Run 5200 ttbar) –valid1.005200.T1_McAtNlo_Jimmy.recon.AOD. e322_s413_b30_r423 RDO  BS 13.0.40.5, BS  AOD 14.1.0.1, old LAr digi; 11.5k events –valid1.005200.T1_McAtNlo_Jimmy.recon.AOD.e322_s412_r421 (reference) Direct RDO  AOD 14.1.0.1, new LAr digi; 48k events Plots in Appendix C: BS  AOD vs RDO  AOD –Muons missing in central region –Electrons, jets, b-jets, missing Et look fine –See web pages for more plots http://www.hep.manchester.ac.uk/atlas/TopMC/TopMCvalidation.html Paul S MiyagawaPhysics validation meeting, 16 May 20086

7 14.1.0.1 BS vs RDO Muons Paul S MiyagawaFollow-up, 16 April 20087 Staco muons, Pt > 10 GeV Related to missing barrel TRT photons?

8 Conclusions Reconstruction in 14.1.0.1 (R13 sim + digi) shows no differences with 14.0.0.1 Simulation in 14.1.0.1 shows minor differences with 13.0.40.4 –More electron candidates, probably due to backtracking Medium IsEM cut removes the extra candidates –Phi resolution of electrons slightly worse? –Reconstruction efficiency of b-jets slightly worse? Bytestream reconstruction in 14.1.0.1 missing muons in barrel region –Possibly related to missing barrel TRT photons? Paul S MiyagawaPhysics validation meeting, 16 May 20088

9 Appendix A: Reconstruction in 14.1.0.1

10 Reconstruction 14.1.0.1 vs 14.0.0.1 Electrons (1) Paul S MiyagawaPhysics validation meeting, 16 May 200810 Medium IsEM cut Et > 20 GeV Matched to e from W decay

11 Reconstruction 14.1.0.1 vs 14.0.0.1 Electrons (2) Paul S MiyagawaPhysics validation meeting, 16 May 200811

12 Reconstruction 14.1.0.1 vs 14.0.0.1 Electrons (3) Paul S MiyagawaPhysics validation meeting, 16 May 200812

13 Reconstruction 14.1.0.1 vs 14.0.0.1 Muons (1) Paul S MiyagawaPhysics validation meeting, 16 May 200813 Staco muons Pt > 10 GeV Matched to μ from W decay

14 Reconstruction 14.1.0.1 vs 14.0.0.1 Muons (2) Paul S MiyagawaPhysics validation meeting, 16 May 200814

15 Reconstruction 14.1.0.1 vs 14.0.0.1 Muons (3) Paul S MiyagawaPhysics validation meeting, 16 May 200815

16 Reconstruction 14.1.0.1 vs 14.0.0.1 Jets (1) Paul S MiyagawaPhysics validation meeting, 16 May 200816 Cone4 tower jets Pt > 40 GeV |η| < 2.5 Matched to quark from W or t decay

17 Reconstruction 14.1.0.1 vs 14.0.0.1 Jets (2) Paul S MiyagawaPhysics validation meeting, 16 May 200817

18 Reconstruction 14.1.0.1 vs 14.0.0.1 Jets (3) Paul S MiyagawaPhysics validation meeting, 16 May 200818

19 Reconstruction 14.1.0.1 vs 14.0.0.1 b-jets (1) Paul S MiyagawaPhysics validation meeting, 16 May 200819 Cone4 tower jets Pt > 40 GeV |η| < 2.5 b-tag weight ≥ 7.05 Matched to b quark from t decay

20 Reconstruction 14.1.0.1 vs 14.0.0.1 b-jets (2) Paul S MiyagawaPhysics validation meeting, 16 May 200820

21 Reconstruction 14.1.0.1 vs 14.0.0.1 b-jets (3) Paul S MiyagawaPhysics validation meeting, 16 May 200821

22 Reconstruction 14.1.0.1 vs 14.0.0.1 fake jets (1) Paul S MiyagawaPhysics validation meeting, 16 May 200822 Cone4 tower jets Pt > 40 GeV |η| < 2.5 Not matched to quark from W or t decay

23 Reconstruction 14.1.0.1 vs 14.0.0.1 fake jets (2) Paul S MiyagawaPhysics validation meeting, 16 May 200823

24 Reconstruction 14.1.0.1 vs 14.0.0.1 Missing Et Paul S MiyagawaPhysics validation meeting, 16 May 200824

25 Appendix B: Simulation in 14.1.0.1

26 Simulation 14.1.0.1 vs 13.0.40.4 Electrons (1) Paul S MiyagawaPhysics validation meeting, 16 May 200826 Medium IsEM cut Et > 20 GeV Matched to e from W decay

27 Simulation 14.1.0.1 vs 13.0.40.4 Electrons (2) Paul S MiyagawaPhysics validation meeting, 16 May 200827

28 Simulation 14.1.0.1 vs 13.0.40.4 Muons (1) Paul S MiyagawaPhysics validation meeting, 16 May 200828 Staco muons Pt > 10 GeV Matched to μ from W decay

29 Simulation 14.1.0.1 vs 13.0.40.4 Muons (2) Paul S MiyagawaPhysics validation meeting, 16 May 200829

30 Simulation 14.1.0.1 vs 13.0.40.4 Muons (3) Paul S MiyagawaPhysics validation meeting, 16 May 200830

31 Simulation 14.1.0.1 vs 13.0.40.4 Jets (1) Paul S MiyagawaPhysics validation meeting, 16 May 200831 Cone4 tower jets Pt > 40 GeV |η| < 2.5 Matched to quark from W or t decay

32 Simulation 14.1.0.1 vs 13.0.40.4 Jets (2) Paul S MiyagawaPhysics validation meeting, 16 May 200832

33 Simulation 14.1.0.1 vs 13.0.40.4 Jets (3) Paul S MiyagawaPhysics validation meeting, 16 May 200833

34 Simulation 14.1.0.1 vs 13.0.40.4 b-jets (1) Paul S MiyagawaPhysics validation meeting, 16 May 200834 Cone4 tower jets Pt > 40 GeV |η| < 2.5 b-tag weight ≥ 7.05 Matched to b quark from t decay

35 Simulation 14.1.0.1 vs 13.0.40.4 b-jets (3) Paul S MiyagawaPhysics validation meeting, 16 May 200835

36 Simulation 14.1.0.1 vs 13.0.40.4 fake jets (1) Paul S MiyagawaPhysics validation meeting, 16 May 200836 Cone4 tower jets Pt > 40 GeV |η| < 2.5 Not matched to quark from W or t decay

37 Simulation 14.1.0.1 vs 13.0.40.4 fake jets (2) Paul S MiyagawaPhysics validation meeting, 16 May 200837

38 Simulation 14.1.0.1 vs 13.0.40.4 Missing Et Paul S MiyagawaPhysics validation meeting, 16 May 200838

39 Appendix C: Bytestream in 14.1.0.1

40 14.1.0.1 BS vs RDO Electrons Paul S MiyagawaFollow-up, 16 April 200840 Medium IsEM cut, Et > 20 GeV

41 14.1.0.1 BS vs RDO Jets Paul S MiyagawaFollow-up, 16 April 200841 Cone4 tower jets, Et > 40 GeV, |η| < 2.5

42 14.1.0.1 BS vs RDO b-jets Paul S MiyagawaFollow-up, 16 April 200842 Cone4 tower jets, Et > 40 GeV, |η| < 2.5, b-tag weight ≥ 7.05

43 14.1.0.1 BS vs RDO Missing Et Paul S MiyagawaFollow-up, 16 April 200843

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