TTBar All-Hadronic Top Mass Analysis

NOTE: This page is obsolete but is being kept for reference purposes. Please go to the (more) recent page here:

https://twiki.cern.ch/twiki/bin/view/Main/FullHadronAnalysisFramework

Introduction

This wiki is meant to summarize the main framework used for our current ttbar all-hadronic top mass analysis, and allows users to check out, compile and subsequently run the analysis code, both locally and on the grid. The analysis framework is based on the RootCore framework, and specifically the TopRootCore framework, commonly used by other analyses within the Top Working Group.

By checking out the TopRootCoreRelease package (see below for instructions on how to check out, compile and run the analysis code) and sourcing a build-all.sh script, all necessary packages are then checked out and compiled. These packages can be divided into those common to any top analysis, together with three main packages which we have customized for our all-hadronic top mass analysis: TTBarFullyHadronic, TTBarSelection, and TTBarMiniNtuple. These three packages are based/modelled on the four main analysis-specific packages TopD3PDAnalysis, TopD3PDCorrections, TopD3PDSelection, and TopMiniNtuple, which were geared towards ttbar semi-leptonic analyses.

Current Event Selection

The current event selection cuts have been chosen based on a mixture of two sources: a similar all-hadronic analysis with ATLAS data in the same channel, and the PhD thesis of Paola Giovannini, a former graduate student working with the MPI group. The event selection has in no way been optimized for our analysis, but these cuts will be modified in all likelihood once we have run on enough background to be able to see which cuts best help to separate signal and background.

The current event selection requires that for an event to pass, that the event:

    • Arrow blue right Pass the EF_5j30_a4tc_EFFS 5-jet trigger at the event filter level
    • Arrow blue right Pass the GRL and LAr Cut (data only)
    • Arrow blue right Pass the primary vertex cut which requires a primary vertex with > 4 tracks
    • Arrow blue right Have no 'good' electrons (see TopCommonObjects2011-Rel 17)
    • Arrow blue right Have no 'good' muons (see TopCommonObjects2011-Rel 17)
    • Arrow blue right Have no 'bad' jets (see TopCommonObjects2011-Rel 17)
    • Arrow blue right Pass the 'hard' jet cut, meaning that:
      • event has at least 6 jets with transverse momentum above 55 GeV and |eta|<2.5 (transverse momentum cut for 6th jet relaxed to 30 GeV)
    • Arrow blue right Pass the 'b-jet' cut, meaning that:
      • event has exactly 2 b-tagged jets (of those 6 above), which are separated in ΔR by at least 1.2

    • Note: The event selection appears in the source code in the following location: TTBarMiniNtuple/FullyHadronic.cxx
    • Note (bis): In addition to the above event selection cuts, a 'goodJet' definition means that one considers only those jets for which |eta|<2.5 and pT>25 GeV. This definition has been played with and can be relaxed or tightened and ultimately optimized at a later date (a systematic study remains to be done once background is in place to optimize this definition). B-tagged jets require the use of tracking of course (so require this |eta|<2.5 definition) but this is taken into account via the event selection above.

Current Data and Monte Carlo Datasets

The analysis program runs on input D3PDs - top-specific D3PDs for Monte Carlo and JetTauEtmiss stream for data. Currently we are running on 2011 7 TeV data and Monte Carlo, but with plans to move towards 2012 8 TeV in the near future. The table below (2011 Full Dataset Checklist) shows the list of datasets which are considered for the 2011 analysis.

The table below is meant to keep track of who is running, or planning on running, over which background samples on the grid. In terms of the output root file, in an effort to keep things as clear as possible, please first ensure that all jobs for a given dataset ran correctly. Once you are sure this is the case, merge all output root files together into a single file. In terms of the naming convention, it is likely easiest to keep the full dataset name in the name of the root file, with an additional suffix .ttbar.mpp.topmass.v1.root. For later versions, we can change the version number. Please mark the jobs as completed (Target - green) or not completed (Target) once the jobs have completed successfully and output root files have been merged and are stored in the right place.

So for example, if running on the dataset mc11_7TeV.105204.TTbar_FullHad_McAtNlo_Jimmy.merge.NTUP_TOP.e825_s1310_s1300_r3043_r2993_p937/, then the (very long...) name of the merged output root file should be: mc11_7TeV.105204.TTbar_FullHad_McAtNlo_Jimmy.merge.NTUP_TOP.e825_s1310_s1300_r3043_r2993_p937.ttbar.mpp.topmass.v1.root

For this first round of running, please store all output files in the following public work directory (depending on whether it's data, mc signal, or mc background) on lxplus:

  • /afs/cern.ch/work/t/tmccarth/public/TopAnalysis/ttbar_output_merged/v1/data
  • /afs/cern.ch/work/t/tmccarth/public/TopAnalysis/ttbar_output_merged/v1/mcsignal
  • /afs/cern.ch/work/t/tmccarth/public/TopAnalysis/ttbar_output_merged/v1/mcbackground

Description FExCross-Section [pb] K-factor NEvts Initial (Weighted) Unweighted Efficiency [%] Final Cut (If zero eff.) Dataset Name Responsible Completed
Monte Carlo Signal: ttbar all hadronic
ttbar all-hadronic signal 66.48 1.146 8.074253983e5 1.69127% n/a mc11_7TeV.105204.TTbar_FullHad_McAtNlo_Jimmy.merge.NTUP_TOP.e825_s1310_s1300_r3043_r2993_p937/ T.McCarthy Target - green
Background - ttbar Non All Hadronic
ttbar non all-hadronic inclusive 79.01 1.146 1.03962e7 0.301113% n/a mc11_7TeV.105200.T1_McAtNlo_Jimmy.merge.NTUP_TOP.e835_s1272_s1274_r3043_r2993_p937/ D.Salihagic Target
ttbar->WbWb->lnuqq - 5partons 0.50 1.755 79934.3 4.50642% n/a mc11_7TeV.117889.AlpgenJimmyttbarlnqqNp5_baseline.merge.NTUP_TOP.e835_s1372_s1370_r3043_r2993_p937/ D.Salihagic Target
ttbar->WbWb->lnulnu - 5partons 0.13 1.687 24982.7 1.8% n/a mc11_7TeV.117899.AlpgenJimmyttbarlnlnNp5_baseline.merge.NTUP_TOP.e835_s1372_s1370_r3043_r2993_p937/ D.Salihagic Target
Background - W+jets
Wbb - 0partons 47.35 1.2 475088 0 % Cut 8: Hard Jet Cut mc11_7TeV.107280.AlpgenJimmyWbbFullNp0_pt20.merge.NTUP_TOP.e887_s1310_s1300_r3043_r2993_p937/ D.Salihagic Target
Wbb - 1parton 35.76 1.2 204969 0% Cut 9: B-Jet Cut mc11_7TeV.107281.AlpgenJimmyWbbFullNp1_pt20.merge.NTUP_TOP.e887_s1310_s1300_r3043_r2993_p937/ D.Salihagic Target
Wbb - 2partons 17.33 1.2 174475 0.00171921% n/a mc11_7TeV.107282.AlpgenJimmyWbbFullNp2_pt20.merge.NTUP_TOP.e887_s1310_s1300_r3043_r2993_p937/ D.Salihagic Target
Wbb - 3partons 7.61 1.2 69956.6 0.0328576% n/a mc11_7TeV.107283.AlpgenJimmyWbbFullNp3_pt20.merge.NTUP_TOP.e887_s1310_s1300_r3043_r2993_p937/ D.Salihagic Target
Wcc - 0parton 127.53 1.2 1.27525e6 0% Cut 8: Hard Jet Cut mc11_7TeV.117284.AlpgenWccFullNp0_pt20.merge.NTUP_TOP.e887_s1310_s1300_r3043_r2993_p937/ D.Salihagic Target
Wcc - 1partons 104.68 1.2 1.05027e6 0% Cut 9: B-Jet Cut mc11_7TeV.117285.AlpgenWccFullNp1_pt20.merge.NTUP_TOP.e887_s1310_s1300_r3043_r2993_p937/ D.Salihagic Target
Wcc - 2partons 52.08 1.2 524753 0% Cut 9: B-Jet Cut mc11_7TeV.117286.AlpgenWccFullNp2_pt20.merge.NTUP_TOP.e887_s1310_s1300_r3043_r2993_p937/ D.Salihagic Target
Wcc - 3partons 16.96 1.2 170089 0.00294118% n/a mc11_7TeV.117287.AlpgenWccFullNp3_pt20.merge.NTUP_TOP.e887_s1310_s1300_r3043_r2993_p937/ D.Salihagic Target
Wc - 0partons 644.4 1.2 6.49757e6 0% Cut 8: Hard Jet Cut mc11_7TeV.117293.AlpgenWcNp0_pt20.merge.NTUP_TOP.e887_s1310_s1300_r3043_r2993_p937/ D.Salihagic Target
Wc - 1parton 205.0 1.2 2.0694e6 0% Cut 8: Hard Jet Cut mc11_7TeV.117294.AlpgenWcNp1_pt20.merge.NTUP_TOP.e887_s1310_s1300_r3043_r2993_p937/ D.Salihagic Target
Wc - 2partons 50.8 1.2 519737 0% Cut 9: B-Jet Cut mc11_7TeV.117295.AlpgenWcNp2_pt20.merge.NTUP_TOP.e887_s1310_s1300_r3043_r2993_p937/ D.Salihagic Target
Wc - 3partons 11.4 1.2 115124 0% Cut 9: B-Jet Cut mc11_7TeV.117296.AlpgenWcNp3_pt20.merge.NTUP_TOP.e887_s1310_s1300_r3043_r2993_p937/ D.Salihagic Target
Wc - 4partons 2.8 1.2 30045.3 0.00666667% n/a mc11_7TeV.117297.AlpgenWcNp4_pt20.merge.NTUP_TOP.e887_s1310_s1300_r3043_r2993_p937/ D.Salihagic Target
W->enu - 5partons 6.99 1.196 70091 0.00571437% n/a mc11_7TeV.107685.AlpgenJimmyWenuNp5_pt20.merge.NTUP_TOP.e825_s1299_s1300_r3043_r2993_p937/ D.Salihagic Target
W->munu - 5partons 7.00 1.195 70041.8 0.00142857% n/a mc11_7TeV.107695.AlpgenJimmyWmunuNp5_pt20.merge.NTUP_TOP.e825_s1299_s1300_r3043_r2993_p937/ D.Salihagic Target
W->taunu - 5partons 7.00 1.195 65009.7 0.02% n/a mc11_7TeV.107705.AlpgenJimmyWtaunuNp5_pt20.merge.NTUP_TOP.e835_s1299_s1300_r3043_r2993_p937/ D.Salihagic Target
Background - Z+jets
Z->ee - 5partons 0.83 1.25 50041 0.012% n/a mc11_7TeV.107655.AlpgenJimmyZeeNp5_pt20.merge.NTUP_TOP.e835_s1299_s1300_r3043_r2993_p937/ D.Salihagic Target
Z->mumu - 5partons 0.77 1.25 49981.1 0.002% n/a mc11_7TeV.107665.AlpgenJimmyZmumuNp5_pt20.merge.NTUP_TOP.e835_s1299_s1300_r3043_r2993_p937/ D.Salihagic Target
Z->tautau - 5partons 0.77 1.25 45010.6 0.0244444 % n/a mc11_7TeV.107675.AlpgenJimmyZtautauNp5_pt20.merge.NTUP_TOP.e835_s1299_s1300_r3043_r2993_p937/ D.Salihagic Target
Z->ee+bb - 3partons 0.39 1.25 30027.2 0.0666667% n/a mc11_7TeV.109303.AlpgenJimmyZeebbNp3_nofilter.merge.NTUP_TOP.e835_s1310_s1300_r3043_r2993_p937/ D.Salihagic Target
Z->mumu+bb - 3partons 0.39 1.25 30022.8 0.00333344% n/a mc11_7TeV.109308.AlpgenJimmyZmumubbNp3_nofilter.merge.NTUP_TOP.e835_s1310_s1300_r3043_r2993_p937/ D.Salihagic Target
Z->tautau+bb - 3partons 0.39 1.25 8870.25 0.177778% n/a mc11_7TeV.109313.AlpgenJimmyZtautaubbNp3_nofilter.merge.NTUP_TOP.e835_s1310_s1300_r3043_r2993_p937/ D.Salihagic Target
Z->ee - 5partons (low mass) 0.46 1.25 10018.1 0.01% n/a mc11_7TeV.116255.AlpgenJimmyZeeNp5_Mll10to40_pt20.merge.NTUP_TOP.e944_s1310_s1300_r3043_r2993_p937/ D.Salihagic Target
Z->mumu - 5partons (low mass) 0.46 1.25 10018.1 0.01% n/a mc11_7TeV.116265.AlpgenJimmyZmumuNp5_Mll10to40_pt20.merge.NTUP_TOP.e944_s1310_s1300_r3043_r2993_p937/ D.Salihagic Target
Z->tautau - 5partons (low mass) 0.46 1.25 10018.1 0.41% Cut 9: B-Jet Cut mc11_7TeV.116275.AlpgenJimmyZtautauNp5_Mll10to40_pt20.merge.NTUP_TOP.e959_s1310_s1300_r3043_r2993_p937/ D.Salihagic Target
Background - Diboson
WZ incl - 3partons 0.1758 1.26 40032.4 0.005% n/a mc11_7TeV.107103.AlpgenJimmyWWlnulnuNp3.merge.NTUP_TOP.e835_s1372_s1370_r3043_r2993_p937/ D.Salihagic Target
WW incl - 3partons 0.0950 1.28 20009.6 0.04% n/a mc11_7TeV.107107.AlpgenJimmyWZincllNp3.merge.NTUP_TOP.e995_s1372_s1370_r3043_r2993_p937/ D.Salihagic Target
ZZ incl - 3partons 0.0314 1.30 10010.6 0% Cut 9: B-Jet Cut mc11_7TeV.107111.AlpgenJimmyZZincllNp3.merge.NTUP_TOP.e995_s1372_s1370_r3043_r2993_p937/ D.Salihagic Target
Background - Single Top
Wt-channel 14.7 1.0 689250 0.148943% n/a mc11_7TeV.105500.AcerMC_Wt.merge.NTUP_TOP.e825_s1310_s1300_r3043_r2993_p937/ D.Salihagic Target
s-channel (enu) 0.468 1.0 253488 0.0276715% n/a mc11_7TeV.108343.st_schan_enu_McAtNlo_Jimmy.merge.NTUP_TOP.e825_s1310_s1300_r3043_r2993_p937/ D.Salihagic Target
s-channel (munu) 0.468 1.0 253550 0.0056667% n/a mc11_7TeV.108344.st_schan_munu_McAtNlo_Jimmy.merge.NTUP_TOP.e825_s1310_s1300_r3043_r2993_p937/ D.Salihagic Target
s-channel (taunu) 0.468 1.0 253435 0.021674% n/a mc11_7TeV.108345.st_schan_taunu_McAtNlo_Jimmy.merge.NTUP_TOP.e835_s1310_s1300_r3043_r2993_p937/ D.Salihagic Target
Wt-channel 13.0 1.0 530407 0.284144% n/a mc11_7TeV.108346.st_Wt_McAtNlo_Jimmy.merge.NTUP_TOP.e835_s1310_s1300_r3043_r2993_p937/ D.Salihagic Target
s-channel unknown 1.0 200132 0.0200002% n/a mc11_7TeV.117314.st_schan_PowHeg_Pythia.merge.NTUP_TOP.e887_s1310_s1300_r3043_r2993_p937/ D.Salihagic Target
t-channel unknown 1.0 190028 0.0105291% n/a mc11_7TeV.117315.st_tchan_PowHeg_Pythia.merge.NTUP_TOP.e887_s1310_s1300_r3043_r2993_p937/ D.Salihagic Target
Wt-channel DR unknown 1.0 194340 0.295981% n/a mc11_7TeV.117316.singletop_wtch_DR_PowHeg_Pythia.merge.NTUP_TOP.e887_s1310_s1300_r3043_r2993_p937/ D.Salihagic Target
t-channel (enu) 8.1 1.0 843439 0.0245173% n/a mc11_7TeV.117360.st_tchan_enu_AcerMC.merge.NTUP_TOP.e835_s1310_s1300_r3043_r2993_p937/ D.Salihagic Target
t-channel (munu) 8.0 1.0 759827 0.00477805% n/a mc11_7TeV.117361.st_tchan_munu_AcerMC.merge.NTUP_TOP.e835_s1310_s1300_r3043_r2993_p937/ D.Salihagic Target
t-channel (taunu) 8.0 1.0 845006 0.0210211% n/a mc11_7TeV.117362.st_tchan_taunu_AcerMC.merge.NTUP_TOP.e825_s1310_s1300_r3043_r2993_p937/ D.Salihagic Target
Monte Carlo Background: QCD + jets
QCD dijet J2 48041000.00 n/a 1.00024e6 0% Cut 8: Hard Jet Cut mc11_7TeV.105011.J2_pythia_jetjet.merge.NTUP_TOP.e815_s1273_s1274_r3043_r2993_p937/ T.Barillari Target
QCD dijet J3 2536200.00 n/a 1.00005e6 0% Cut 9: B-Jet Cut mc11_7TeV.105012.J3_pythia_jetjet.merge.NTUP_TOP.e815_s1273_s1274_r3043_r2993_p937/ T.Barillari Target
QCD dijet J4 99591.00 n/a 296773 0.0101696% n/a mc11_7TeV.105013.J4_pythia_jetjet.merge.NTUP_TOP.e815_s1273_s1274_r3043_r2993_p937/ T.Barillari Target - 3/7 succeeded
QCD dijet J5 2594.10 n/a 1.00032e6 0.0649008% n/a mc11_7TeV.105014.J5_pythia_jetjet.merge.NTUP_TOP.e815_s1273_s1274_r3043_r2993_p937/ T.Barillari Target
QCD dijet J6 35.46 n/a 999850 0.126003% n/a mc11_7TeV.105015.J6_pythia_jetjet.merge.NTUP_TOP.e815_s1273_s1274_r3043_r2993_p937/ T.Barillari Target
QCD dijet J7 0.13394 n/a 999068 x0.142249% n/a mc11_7TeV.105016.J7_pythia_jetjet.merge.NTUP_TOP.e815_s1273_s1274_r3043_r2993_p937/ T.Barillari Target
QCD dijet J8 0.0000056775 n/a 999018 0.0907955% n/a mc11_7TeV.105017.J8_pythia_jetjet.merge.NTUP_TOP.e815_s1273_s1274_r3043_r2993_p937/ T.Barillari Target
QCD multijet 2j J1x 294740000.00 n/a 99916.6 0% Cut 3: Trigger mc11_7TeV.113129.AlpgenJimmyNjetsNp2_J1x.merge.NTUP_TOP.e825_s1310_s1300_r3043_r2993_p937/ T.Barillari Target
QCD multijet 2j J2 13784000.00 n/a 100000 0 % Cut 3: Trigger mc11_7TeV.113130.AlpgenJimmyNjetsNp2_J2.merge.NTUP_TOP.e825_s1310_s1300_r3043_r2993_p937/ T.Barillari Target
QCD multijet 2j J3 426840.00 n/a 100114 0 % Cut 8: Hard Jet Cut mc11_7TeV.113131.AlpgenJimmyNjetsNp2_J3.merge.NTUP_TOP.e825_s1310_s1300_r3043_r2993_p937/ T.Barillari Target
QCD multijet 2j J4 10806.00 n/a 100052 0% Cut 9: B-Jet Cut mc11_7TeV.113132.AlpgenJimmyNjetsNp2_J4.merge.NTUP_TOP.e825_s1310_s1300_r3043_r2993_p937/ T.Barillari Target
QCD multijet 2j J5 220.96 n/a 10010.6 0% Cut 9: B-Jet Cut mc11_7TeV.113133.AlpgenJimmyNjetsNp2_J5.merge.NTUP_TOP.e825_s1310_s1300_r3043_r2993_p937/ T.Barillari Target
QCD multijet 2j J6 3.15 n/a 29988 0% Cut 9: B-Jet Cut mc11_7TeV.113134.AlpgenJimmyNjetsNp2_J6p.merge.NTUP_TOP.e986_s1310_s1300_r3043_r2993_p937/ T.Barillari Target
QCD multijet 3j J1x 17045000.00 n/a 100081 0% Cut 3: Trigger mc11_7TeV.113135.AlpgenJimmyNjetsNp3_J1x.merge.NTUP_TOP.e825_s1310_s1300_r3043_r2993_p937/ T.Barillari Target
QCD multijet 3j J2 10910000.00 n/a 100037 0% Cut 3: Trigger mc11_7TeV.113136.AlpgenJimmyNjetsNp3_J2.merge.NTUP_TOP.e825_s1310_s1300_r3043_r2993_p937/ T.Barillari Target
QCD multijet 3j J3 765580.00 n/a 100056 0% Cut 8: Hard Jet Cut mc11_7TeV.113137.AlpgenJimmyNjetsNp3_J3.merge.NTUP_TOP.e825_s1310_s1300_r3043_r2993_p937/ T.Barillari Target
QCD multijet 3j J4 26988.00 n/a 99986.7 0% Cut 9: B-Jet Cut mc11_7TeV.113138.AlpgenJimmyNjetsNp3_J4.merge.NTUP_TOP.e825_s1310_s1300_r3043_r2993_p937/ T.Barillari Target
QCD multijet 3j J5 664.01 n/a 31011.8 0.00322581% n/a mc11_7TeV.113139.AlpgenJimmyNjetsNp3_J5.merge.NTUP_TOP.e825_s1310_s1300_r3043_r2993_p937/ T.Barillari Target
QCD multijet 3j J6 9.27 n/a 30050.7 0.00333344% n/a mc11_7TeV.113140.AlpgenJimmyNjetsNp3_J6p.merge.NTUP_TOP.e986_s1310_s1300_r3043_r2993_p937/ T.Barillari Target
QCD multijet 4j J1x 1924300.00 n/a 99974.4 0% Cut 3: Trigger mc11_7TeV.113141.AlpgenJimmyNjetsNp4_J1x.merge.NTUP_TOP.e825_s1310_s1300_r3043_r2993_p937/ T.Barillari Target
QCD multijet 4j J2 2442600.00 n/a 99928.5 0% Cut 9: B-Jet Cut mc11_7TeV.113142.AlpgenJimmyNjetsNp4_J2.merge.NTUP_TOP.e825_s1310_s1300_r3043_r2993_p937/ T.Barillari Target
QCD multijet 4j J3 445150.00 n/a 99972.4 0% Cut 8: Hard Jet Cut mc11_7TeV.113143.AlpgenJimmyNjetsNp4_J3.merge.NTUP_TOP.e825_s1310_s1300_r3043_r2993_p937/ T.Barillari Target
QCD multijet 4j J4 25643.00 n/a 99981.4 0% Cut 9: B-Jet Cut mc11_7TeV.113144.AlpgenJimmyNjetsNp4_J4.merge.NTUP_TOP.e825_s1310_s1300_r3043_r2993_p937/ T.Barillari Target
QCD multijet 4j J5 810.86 n/a x x x missing T.Barillari Target
QCD multijet 4j J6 13.14 n/a 27893.8 0.0142857% n/a mc11_7TeV.113146.AlpgenJimmyNjetsNp4_J6p.merge.NTUP_TOP.e986_s1310_s1300_r3043_r2993_p937/ T.Barillari Target
QCD multijet 5j J1x 190490.00 n/a 99906.1 0% Cut 3: Trigger mc11_7TeV.113147.AlpgenJimmyNjetsNp5_J1x.merge.NTUP_TOP.e825_s1310_s1300_r3043_r2993_p937/ T.Barillari Target
QCD multijet 5j J2 497320.00 n/a 97253.5 0% Cut 8: Hard Jet Cut mc11_7TeV.113148.AlpgenJimmyNjetsNp5_J2.merge.NTUP_TOP.e825_s1310_s1300_r3043_r2993_p937/ T.Barillari Target
QCD multijet 5j J3 166500.00 n/a 100014 0% Cut 9: B-Jet Cut mc11_7TeV.113149.AlpgenJimmyNjetsNp5_J3.merge.NTUP_TOP.e825_s1310_s1300_r3043_r2993_p937/ T.Barillari Target
QCD multijet 5j J4 15626.00 n/a 99962.5 0.00100001% n/a mc11_7TeV.113150.AlpgenJimmyNjetsNp5_J4.merge.NTUP_TOP.e825_s1310_s1300_r3043_r2993_p937/ T.Barillari Target
QCD multijet 5j J5 634.13 n/a 20017.1 0.015% n/a mc11_7TeV.113151.AlpgenJimmyNjetsNp5_J5.merge.NTUP_TOP.e825_s1310_s1300_r3043_r2993_p937/ T.Barillari Target
QCD multijet 5j J6 11.08 n/a 19998.1 0.025% n/a mc11_7TeV.113152.AlpgenJimmyNjetsNp5_J6p.merge.NTUP_TOP.e986_s1310_s1300_r3043_r2993_p937/ T.Barillari Target
QCD multijet 6j J1x 19690.00 n/a 18831.6 0% Cut 3: Trigger mc11_7TeV.113153.AlpgenJimmyNjetsNp6_J1x.merge.NTUP_TOP.e825_s1310_s1300_r3043_r2993_p937/ T.Barillari Target
QCD multijet 6j J2 100190.00 n/a x x x missing T.Barillari Target
QCD multijet 6j J3 60488.00 n/a 99950.5 0% Cut 9: B-Jet Cut mc11_7TeV.113155.AlpgenJimmyNjetsNp6_J3.merge.NTUP_TOP.e825_s1310_s1300_r3043_r2993_p937/ T.Barillari Target
QCD multijet 6j J4 9499.20 n/a 90616.5 0.00994475% n/a mc11_7TeV.113156.AlpgenJimmyNjetsNp6_J4.merge.NTUP_TOP.e825_s1310_s1300_r3043_r2993_p937/ T.Barillari Target
QCD multijet 6j J5 539.43 n/a 20020.2 0.0700035% n/a mc11_7TeV.113157.AlpgenJimmyNjetsNp6_J5.merge.NTUP_TOP.e825_s1310_s1300_r3043_r2993_p937/ T.Barillari Target
QCD multijet 6j J6 10.12 n/a 20021 0.23% n/a mc11_7TeV.113158.AlpgenJimmyNjetsNp6_J6p.merge.NTUP_TOP.e986_s1310_s1300_r3043_r2993_p937/ T.Barillari Target
Monte Carlo Background: QCD + Bjets
QQBB Np0 J2 62201.0 n/a 10010.6 0 % Cut 3: Trigger mc11_7TeV.113160.AlpgenJimmyBBjetsNp0_J2.merge.NTUP_TOP.e825_s1310_s1300_r3043_r2993_p937/ T.Barillari Target
QQBB Np0 J3 2108.9 n/a 10010.6 0 % Cut 3: Trigger mc11_7TeV.113161.AlpgenJimmyBBjetsNp0_J3.merge.NTUP_TOP.e825_s1310_s1300_r3043_r2993_p937/ T.Barillari Target
QQBB Np0 J4 50.9 n/a 10010.6 0 % Cut 8: Hard Jet Cut mc11_7TeV.113162.AlpgenJimmyBBjetsNp0_J4.merge.NTUP_TOP.e825_s1310_s1300_r3043_r2993_p937/ T.Barillari Target
QQBB Np0 J5 1.0 n/a 1966.69 0 % Cut 3: Trigger mc11_7TeV.113163.AlpgenJimmyBBjetsNp0_J5p.merge.NTUP_TOP.e825_s1310_s1300_r3043_r2993_p937/ T.Barillari Target
QQBB Np1 J1x 294760.0 n/a 10018.1 0 % Cut 3: Trigger mc11_7TeV.113164.AlpgenJimmyBBjetsNp1_J1x.merge.NTUP_TOP.e825_s1310_s1300_r3043_r2993_p937/ T.Barillari Target

Description Int. Lumi (pb-1) Dataset Name Person Responsible Completed (version 1)
2011 7 TeV Data - Period D
Run 179710 (Period D1) 4.682451/pb data11_7TeV.00179710.physics_JetTauEtmiss.merge.NTUP_TOPJET.r2603_p659_p694_p722_p937/ T.McCarthy Target - green
Run 179725 (Period D1) 2.3388965/pb data11_7TeV.00179725.physics_JetTauEtmiss.merge.NTUP_TOPJET.r2603_p659_p694_p722_p937/ T.McCarthy Target - green
Run 179739 (Period D1) 3.035643/pb data11_7TeV.00179739.physics_JetTauEtmiss.merge.NTUP_TOPJET.r2603_p659_p694_p722_p937/ T.McCarthy Target - green
Run 179771 (Period D2) 1.4767534/pb data11_7TeV.00179771.physics_JetTauEtmiss.merge.NTUP_TOPJET.r2603_p659_p694_p722_p937/ T.McCarthy Target - green
Run 179804 (Period D2) 7.9695921/pb data11_7TeV.00179804.physics_JetTauEtmiss.merge.NTUP_TOPJET.r2603_p659_p694_p722_p937/ T.McCarthy Target - green
Run 179938 (Period D3) 1.066998/pb data11_7TeV.00179938.physics_JetTauEtmiss.merge.NTUP_TOPJET.r2603_p659_p694_p722_p937/ T.McCarthy Target - green
Run 179939 (Period D3) .908002/pb data11_7TeV.00179939.physics_JetTauEtmiss.merge.NTUP_TOPJET.r2603_p659_p694_p722_p937/ T.McCarthy Target - green
Run 179940 (Period D3) .146653/pb data11_7TeV.00179940.physics_JetTauEtmiss.merge.NTUP_TOPJET.r2603_p659_p694_p722_p937/ T.McCarthy Target - green
Run 180122 (Period D3) .9074522/pb data11_7TeV.00180122.physics_JetTauEtmiss.merge.NTUP_TOPJET.r2603_p659_p694_p722_p937/ T.McCarthy Target - green
Run 180124 (Period D3) .3211072/pb data11_7TeV.00180124.physics_JetTauEtmiss.merge.NTUP_TOPJET.r2603_p659_p694_p722_p937/ T.McCarthy Target - green
Run 180139 (Period D3) .694924/pb data11_7TeV.00180139.physics_JetTauEtmiss.merge.NTUP_TOPJET.r2603_p659_p694_p722_p937/ T.McCarthy Target - green
Run 180144 (Period D3) .97368/pb data11_7TeV.00180144.physics_JetTauEtmiss.merge.NTUP_TOPJET.r2603_p659_p694_p722_p937/ T.McCarthy Target - green
Run 180149 (Period D4) .7828931/pb data11_7TeV.00180149.physics_JetTauEtmiss.merge.NTUP_TOPJET.r2603_p659_p694_p722_p937/ T.McCarthy Target - green
Run 180153 (Period D4) .188669/pb data11_7TeV.00180153.physics_JetTauEtmiss.merge.NTUP_TOPJET.r2603_p659_p694_p722_p937/ T.McCarthy Target - green
Run 180164 (Period D4) 1.0138141/pb data11_7TeV.00180164.physics_JetTauEtmiss.merge.NTUP_TOPJET.r2603_p659_p694_p722_p937/ T.McCarthy Target - green
Run 180212 (Period D4) .123913/pb data11_7TeV.00180212.physics_JetTauEtmiss.merge.NTUP_TOPJET.r2603_p659_p694_p722_p937/ T.McCarthy Target - green
Run 180225 (Period D5) 7.9797603/pb data11_7TeV.00180225.physics_JetTauEtmiss.merge.NTUP_TOPJET.r2603_p659_p694_p722_p937/ T.McCarthy Target - green
Run 180241 (Period D5) .0468037/pb data11_7TeV.00180241.physics_JetTauEtmiss.merge.NTUP_TOPJET.r2603_p659_p694_p722_p937/ T.McCarthy Target - green
Run 180242 (Period D5) .552057/pb data11_7TeV.00180242.physics_JetTauEtmiss.merge.NTUP_TOPJET.r2603_p659_p694_p722_p937/ T.McCarthy Target - green
Run 180309 (Period D6) 0.1632891/pb data11_7TeV.00180309.physics_JetTauEtmiss.merge.NTUP_TOPJET.r2603_p659_p694_p722_p937/ T.McCarthy Target - green
Run 180400 (Period D6) 6.015214/pb data11_7TeV.00180400.physics_JetTauEtmiss.merge.NTUP_TOPJET.r2603_p659_p694_p722_p937/ T.McCarthy Target - green
Run 180448 (Period D6) .214324/pb data11_7TeV.00180448.physics_JetTauEtmiss.merge.NTUP_TOPJET.r2603_p659_p694_p722_p937/ T.McCarthy Target - green
Run 180481 (Period D7) 2.908298/pb data11_7TeV.00180481.physics_JetTauEtmiss.merge.NTUP_TOPJET.r2603_p659_p694_p722_p937/ T.McCarthy Target - green
2011 7 TeV Data - Period E
Run 180614 (Period E1) 3.530758/pb data11_7TeV.00180614.physics_JetTauEtmiss.merge.NTUP_TOPJET.r2603_p659_p694_p722_p937/ T.McCarthy Target - green
Run 180636 (Period E1) 26.4394663/pb data11_7TeV.00180636.physics_JetTauEtmiss.merge.NTUP_TOPJET.r2603_p659_p694_p722_p937/ T.McCarthy Target - green
Run 180664 (Period E1) 3.499726/pb data11_7TeV.00180664.physics_JetTauEtmiss.merge.NTUP_TOPJET.r2603_p659_p694_p722_p937/ T.McCarthy Target - green
Run 180710 (Period E1) 14.3987282/pb data11_7TeV.00180710.physics_JetTauEtmiss.merge.NTUP_TOPJET.r2603_p659_p694_p722_p937/ T.McCarthy Target - green
Run 180776 (Period E1) 0.356716/pb data11_7TeV.00180776.physics_JetTauEtmiss.merge.NTUP_TOPJET.r2603_p659_p694_p722_p937/ T.McCarthy Target - green
Run 182013 (Period F1) 0.02547834/pb data11_7TeV.00182013.physics_JetTauEtmiss.merge.NTUP_TOPJET.r2603_p659_p694_p722_p937/ T.McCarthy Target - green
2011 7 TeV Data - Period F
Run 182161 (Period F2) 2.9191071/pb data11_7TeV.00182161.physics_JetTauEtmiss.merge.NTUP_TOPJET.r2603_p659_p694_p722_p937/ T.McCarthy Target - green
Run 182284 (Period F2) 14.335217/pb data11_7TeV.00182284.physics_JetTauEtmiss.merge.NTUP_TOPJET.r2603_p659_p694_p722_p937/ T.McCarthy Target - green
Run 182346 (Period F2) 1.7884892/pb data11_7TeV.00182346.physics_JetTauEtmiss.merge.NTUP_TOPJET.r2603_p659_p694_p722_p937/ T.McCarthy Target - green
Run 182372 (Period F2) 14.4274797/pb data11_7TeV.00182372.physics_JetTauEtmiss.merge.NTUP_TOPJET.r2603_p659_p694_p722_p937/ T.McCarthy Target - green
Run 182424 (Period F2) 21.7107867/pb data11_7TeV.00182424.physics_JetTauEtmiss.merge.NTUP_TOPJET.r2603_p659_p694_p722_p937/ T.McCarthy Target - green
Run 182449 (Period F2) 3.4616694/pb data11_7TeV.00182449.physics_JetTauEtmiss.merge.NTUP_TOPJET.r2603_p659_p694_p722_p937/ T.McCarthy Target - green
Run 182450 (Period F2) 1.4875547/pb data11_7TeV.00182450.physics_JetTauEtmiss.merge.NTUP_TOPJET.r2603_p659_p694_p722_p937/ T.McCarthy Target - green
Run 182454 (Period F2) 8.5939681/pb data11_7TeV.00182454.physics_JetTauEtmiss.merge.NTUP_TOPJET.r2603_p659_p694_p722_p937/ T.McCarthy Target - green
Run 182455 (Period F2) 0.5489315/pb data11_7TeV.00182455.physics_JetTauEtmiss.merge.NTUP_TOPJET.r2603_p659_p694_p722_p937/ T.McCarthy Target - green
Run 182456 (Period F2) 20.33636/pb data11_7TeV.00182456.physics_JetTauEtmiss.merge.NTUP_TOPJET.r2603_p659_p694_p722_p937/ T.McCarthy Target - green
Run 182486 (Period F2) 27.68687/pb data11_7TeV.00182486.physics_JetTauEtmiss.merge.NTUP_TOPJET.r2603_p659_p694_p722_p937/ T.McCarthy Target - green
Run 182516 (Period F3) 10.08738/pb data11_7TeV.00182516.physics_JetTauEtmiss.merge.NTUP_TOPJET.r2603_p659_p694_p722_p937/ T.McCarthy Target - green
Run 182518 (Period F3) 1.35898/pb data11_7TeV.00182518.physics_JetTauEtmiss.merge.NTUP_TOPJET.r2603_p659_p694_p722_p937/ T.McCarthy Target - green
Run 182519 (Period F3) 2.15623/pb data11_7TeV.00182519.physics_JetTauEtmiss.merge.NTUP_TOPJET.r2603_p659_p694_p722_p937/ T.McCarthy Target - green
2011 7 TeV Data - Period G
Run 182726 (Period G1) 5.7050445/pb data11_7TeV.00182726.physics_JetTauEtmiss.merge.NTUP_TOPJET.r2603_p659_p694_p722_p937/ T.McCarthy Target - green
Run 182747 (Period G2) 28.152656/pb data11_7TeV.00182747.physics_JetTauEtmiss.merge.NTUP_TOPJET.r2603_p659_p694_p722_p937/ T.McCarthy Target - green
Run 182766 (Period G2) 4.933866/pb data11_7TeV.00182766.physics_JetTauEtmiss.merge.NTUP_TOPJET.r2603_p659_p694_p722_p937/ T.McCarthy Target - green
Run 182787 (Period G2) 34.840186/pb data11_7TeV.00182787.physics_JetTauEtmiss.merge.NTUP_TOPJET.r2603_p659_p694_p722_p937/ T.McCarthy Target - green
Run 182796 (Period G2) 31.02309/pb data11_7TeV.00182796.physics_JetTauEtmiss.merge.NTUP_TOPJET.r2603_p659_p694_p722_p937/ T.McCarthy Target - green
Run 182879 (Period G2) 5.59878/pb data11_7TeV.00182879.physics_JetTauEtmiss.merge.NTUP_TOPJET.r2603_p659_p694_p722_p937/ T.McCarthy Target - green
Run 182886 (Period G2) 4.4321796/pb data11_7TeV.00182886.physics_JetTauEtmiss.merge.NTUP_TOPJET.r2603_p659_p694_p722_p937/ T.McCarthy Target - green
Run 182997 (Period G3) 3.56022/pb data11_7TeV.00182997.physics_JetTauEtmiss.merge.NTUP_TOPJET.r2603_p659_p694_p722_p937/ T.McCarthy Target - green
Run 183003 (Period G3) 43.8252159/pb data11_7TeV.00183003.physics_JetTauEtmiss.merge.NTUP_TOPJET.f415_m1025_p694_p722_p937/ T.McCarthy Target - green
Run 183021 (Period G3) 24.271412/pb data11_7TeV.00183021.physics_JetTauEtmiss.merge.NTUP_TOPJET.r2603_p659_p694_p722_p937/ T.McCarthy Target - green
Run 183038 (Period G4) 1.15022/pb data11_7TeV.00183038.physics_JetTauEtmiss.merge.NTUP_TOPJET.r2603_p659_p694_p722_p937/ T.McCarthy Target - green
Run 183045 (Period G4) 17.999514/pb data11_7TeV.00183045.physics_JetTauEtmiss.merge.NTUP_TOPJET.r2603_p659_p694_p722_p937/ T.McCarthy Target - green
Run 183054 (Period G4) 8.97171842/pb data11_7TeV.00183054.physics_JetTauEtmiss.merge.NTUP_TOPJET.r2603_p659_p694_p722_p937/ T.McCarthy Target - green
Run 183078 (Period G4) 2.1926/pb data11_7TeV.00183078.physics_JetTauEtmiss.merge.NTUP_TOPJET.r2603_p659_p694_p722_p937/ T.McCarthy Target - green
Run 183079 (Period G4) 1.238518/pb data11_7TeV.00183079.physics_JetTauEtmiss.merge.NTUP_TOPJET.r2603_p659_p694_p722_p937/ T.McCarthy Target - green
Run 183081 (Period G4) 43.93905/pb data11_7TeV.00183081.physics_JetTauEtmiss.merge.NTUP_TOPJET.r2603_p659_p694_p722_p937/ T.McCarthy Target - green
Run 183127 (Period G4) 12.80552/pb data11_7TeV.00183127.physics_JetTauEtmiss.merge.NTUP_TOPJET.r2603_p659_p694_p722_p937/ T.McCarthy Target - green
Run 183129 (Period G4) 7.12548/pb data11_7TeV.00183129.physics_JetTauEtmiss.merge.NTUP_TOPJET.r2603_p659_p694_p722_p937/ T.McCarthy Target - green
Run 183130 (Period G4) 19.598508/pb data11_7TeV.00183130.physics_JetTauEtmiss.merge.NTUP_TOPJET.r2603_p659_p694_p722_p937/ T.McCarthy Target - green
Run 183216 (Period G5) 29.98641/pb data11_7TeV.00183216.physics_JetTauEtmiss.merge.NTUP_TOPJET.r2603_p659_p694_p722_p937/ T.McCarthy Target - green
Run 183272 (Period G5) 12.890325/pb data11_7TeV.00183272.physics_JetTauEtmiss.merge.NTUP_TOPJET.r2603_p659_p694_p722_p937/ T.McCarthy Target - green
Run 183286 (Period G5) 26.99403/pb data11_7TeV.00183286.physics_JetTauEtmiss.merge.NTUP_TOPJET.r2603_p659_p694_p722_p937/ T.McCarthy Target - green
Run 183347 (Period G5) 28.835217/pb data11_7TeV.00183347.physics_JetTauEtmiss.merge.NTUP_TOPJET.r2603_p659_p694_p722_p937/ T.McCarthy Target - green
Run 183391 (Period G6) 19.8070071/pb data11_7TeV.00183391.physics_JetTauEtmiss.merge.NTUP_TOPJET.r2603_p659_p694_p722_p937/ T.McCarthy Target - green
Run 183407 (Period G6) 11.163227/pb data11_7TeV.00183407.physics_JetTauEtmiss.merge.NTUP_TOPJET.r2603_p659_p694_p722_p937/ T.McCarthy Target - green
Run 183412 (Period G6) 0.933797/pb data11_7TeV.00183412.physics_JetTauEtmiss.merge.NTUP_TOPJET.r2603_p659_p694_p722_p937/ T.McCarthy Target - green
Run 183426 (Period G6) 28.13363/pb data11_7TeV.00183426.physics_JetTauEtmiss.merge.NTUP_TOPJET.r2603_p659_p694_p722_p937/ T.McCarthy Target - green
Run 183462 (Period G6) 41.888992/pb data11_7TeV.00183462.physics_JetTauEtmiss.merge.NTUP_TOPJET.r2603_p659_p694_p722_p937/ T.McCarthy Target - green
2011 7 TeV Data - Period H
Run 183544 (Period H1) 23.2396/pb data11_7TeV.00183544.physics_JetTauEtmiss.merge.NTUP_TOPJET.f415_m1025_p694_p722_p937/ T.McCarthy Target - green
Run 183580 (Period H1) 2.95933/pb data11_7TeV.00183580.physics_JetTauEtmiss.merge.NTUP_TOPJET.r2603_p659_p694_p722_p937/ T.McCarthy Target - green
Run 183581 (Period H1) 24.38412/pb data11_7TeV.00183581.physics_JetTauEtmiss.merge.NTUP_TOPJET.r2603_p659_p694_p722_p937/ T.McCarthy Target - green
Run 183602 (Period H1) 0.843905/pb data11_7TeV.00183602.physics_JetTauEtmiss.merge.NTUP_TOPJET.r2603_p659_p694_p722_p937/ T.McCarthy Target - green
Run 183780 (Period H2) 46.0780188/pb data11_7TeV.00183780.physics_JetTauEtmiss.merge.NTUP_TOPJET.r2603_p659_p694_p722_p937/ T.McCarthy Target - green
Run 183963 (Period H3) 9.556105/pb data11_7TeV.00183963.physics_JetTauEtmiss.merge.NTUP_TOPJET.r2603_p659_p694_p722_p937/ T.McCarthy Target - green
Run 184022 (Period H3) 42.623836/pb data11_7TeV.00184022.physics_JetTauEtmiss.merge.NTUP_TOPJET.r2603_p659_p694_p722_p937/ T.McCarthy Target - green
Run 184066 (Period H3) 2.10447/pb data11_7TeV.00184066.physics_JetTauEtmiss.merge.NTUP_TOPJET.r2603_p659_p694_p722_p937/ T.McCarthy Target - green
Run 184072 (Period H3) 4.76246/pb data11_7TeV.00184072.physics_JetTauEtmiss.merge.NTUP_TOPJET.r2603_p659_p694_p722_p937/ T.McCarthy Target - green
Run 184074 (Period H4) 0.848482/pb data11_7TeV.00184074.physics_JetTauEtmiss.merge.NTUP_TOPJET.r2603_p659_p694_p722_p937/ T.McCarthy Target - green
Run 184088 (Period H4) 6.7080762/pb data11_7TeV.00184088.physics_JetTauEtmiss.merge.NTUP_TOPJET.r2603_p659_p694_p722_p937/ T.McCarthy Target - green
Run 184130 (Period H4) 50.3461726/pb data11_7TeV.00184130.physics_JetTauEtmiss.merge.NTUP_TOPJET.r2603_p659_p694_p722_p937/ T.McCarthy Target - green
Run 184169 (Period H4) 42.0211222/pb data11_7TeV.00184169.physics_JetTauEtmiss.merge.NTUP_TOPJET.r2603_p659_p694_p722_p937/ T.McCarthy Target - green
2011 7 TeV Data - Period I
Run 185353 (Period I1) 0.00545212/pb data11_7TeV.00185353.physics_JetTauEtmiss.merge.NTUP_TOPJET.r2713_p705_p694_p722_p937/ T.McCarthy Target - green
Run 185518 (Period I1) 0.06497492/pb data11_7TeV.00185518.physics_JetTauEtmiss.merge.NTUP_TOPJET.r2713_p705_p694_p722_p937/ T.McCarthy Target - green
Run 185644 (Period I1) 7.756506/pb data11_7TeV.00185644.physics_JetTauEtmiss.merge.NTUP_TOPJET.r2713_p705_p694_p722_p937/ T.McCarthy Target - green
Run 185649 (Period I1) 10.873277/pb data11_7TeV.00185649.physics_JetTauEtmiss.merge.NTUP_TOPJET.r2713_p705_p694_p722_p937/ T.McCarthy Target - green
Run 185731 (Period I2) 4.488497/pb data11_7TeV.00185731.physics_JetTauEtmiss.merge.NTUP_TOPJET.r2713_p705_p694_p722_p937/ T.McCarthy Target - green
Run 185747 (Period I2) 4.80863/pb data11_7TeV.00185747.physics_JetTauEtmiss.merge.NTUP_TOPJET.r2713_p705_p694_p722_p937/ T.McCarthy Target - green
Run 185761 (Period I2) 17.84257/pb data11_7TeV.00185761.physics_JetTauEtmiss.merge.NTUP_TOPJET.r2713_p705_p694_p722_p937/ T.McCarthy Target - green
Run 185823 (Period I2) 0.751386/pb data11_7TeV.00185823.physics_JetTauEtmiss.merge.NTUP_TOPJET.r2713_p705_p694_p722_p937/ T.McCarthy Target - green
Run 185856 (Period I2) 1.32383/pb data11_7TeV.00185856.physics_JetTauEtmiss.merge.NTUP_TOPJET.r2713_p705_p694_p722_p937/ T.McCarthy Target - green
Run 185976 (Period I2) 4.67921/pb data11_7TeV.00185976.physics_JetTauEtmiss.merge.NTUP_TOPJET.r2713_p705_p694_p722_p937/ T.McCarthy Target - green
Run 185998 (Period I3) 5.53226/pb data11_7TeV.00185998.physics_JetTauEtmiss.merge.NTUP_TOPJET.r2713_p705_p694_p722_p937/ T.McCarthy Target - green
Run 186049 (Period I3) 43.701918/pb data11_7TeV.00186049.physics_JetTauEtmiss.merge.NTUP_TOPJET.r2713_p705_p694_p722_p937/ T.McCarthy Target - green
Run 186156 (Period I3) 32.943504/pb data11_7TeV.00186156.physics_JetTauEtmiss.merge.NTUP_TOPJET.r2713_p705_p694_p722_p937/ T.McCarthy Target - green
Run 186169 (Period I3) 39.622245/pb data11_7TeV.00186169.physics_JetTauEtmiss.merge.NTUP_TOPJET.r2713_p705_p694_p722_p937/ T.McCarthy Target - green
Run 186178 (Period I3) 3.062361/pb data11_7TeV.00186178.physics_JetTauEtmiss.merge.NTUP_TOPJET.r2713_p705_p694_p722_p937/ T.McCarthy Target - green
Run 186179 (Period I3) 8.33207/pb data11_7TeV.00186179.physics_JetTauEtmiss.merge.NTUP_TOPJET.r2713_p705_p694_p722_p937/ T.McCarthy Target - green
Run 186180 (Period I3) 5.57758/pb data11_7TeV.00186180.physics_JetTauEtmiss.merge.NTUP_TOPJET.r2713_p705_p694_p722_p937/ T.McCarthy Target - green
Run 186182 (Period I3) 3.743/pb data11_7TeV.00186182.physics_JetTauEtmiss.merge.NTUP_TOPJET.r2713_p705_p694_p722_p937/ T.McCarthy Target - green
Run 186216 (Period I4) 19.05205/pb data11_7TeV.00186216.physics_JetTauEtmiss.merge.NTUP_TOPJET.r2713_p705_p694_p722_p937/ T.McCarthy Target - green
Run 186217 (Period I4) 8.96972883/pb data11_7TeV.00186217.physics_JetTauEtmiss.merge.NTUP_TOPJET.r2713_p705_p694_p722_p937/ T.McCarthy Target - green
Run 186275 (Period I4) 22.2089148/pb data11_7TeV.00186275.physics_JetTauEtmiss.merge.NTUP_TOPJET.r2713_p705_p694_p722_p937/ T.McCarthy Target - green
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2011 7 TeV Data - Period J
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2011 7 TeV Data - Period K
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2011 7 TeV Data - Period L
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2011 7 TeV Data - Period M
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Run 190643 (Period M2) 13.042044/pb data11_7TeV.00190643.physics_JetTauEtmiss.merge.NTUP_TOPJET.f411_m1007_p694_p722_p937/ T.McCarthy Target - green
Run 190644 (Period M2) 43.625606/pb data11_7TeV.00190644.physics_JetTauEtmiss.merge.NTUP_TOPJET.f411_m1007_p694_p722_p937/ T.McCarthy Target - green
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Instructions to Run ttbar All-Hadronic Top Mass Analysis

The analysis code consists of several Top Root Core packages, together with three additional packages: TTBarFullyHadronic, TTBarSelection, and TTBarMiniNtuple. These three packages are based on similar packages commonly used by the Top WG for analysis involving the semi-leptonic channel. All packages (Top Root Core + those additional three for our particular analysis) can all be checked out, and compiled together.

Below are the instructions you will need to follow in order to run the analysis, either locally or on the grid. The instructions have been copied directly from the Top Root Core TWiki, and modified to include our analysis packages.

1) Checking out and compiling the packages

  1. Set up a recent version of root. In my case from lxplus (in bash), I source a script containing the following:
> source /afs/cern.ch/sw/lcg/external/gcc/4.3.2/x86_64-slc5/setup.sh
> cd /afs/cern.ch/sw/lcg/app/releases/ROOT/5.28.00g/x86_64-slc5-gcc43-opt/root/
> source bin/thisroot.sh
> cd -

ii. Move to a directory where you would like the package to be situated and checkout the recommended version of TopRootCoreRelease from svn. For now use version 11-00-00-03, but this can be changed later on. (if $CERN_USER@ is not set, replace by your username). For 2011 packages (what we currently use):

svn co "svn+ssh://$CERN_USER@svn.cern.ch/reps/atlasoff/PhysicsAnalysis/TopPhys/TopRootCoreRelease/tags/TopRootCoreRelease-11-00-00-03" TopRootCoreRelease
cd TopRootCoreRelease/share

iii. In this directory, you will find a file called packages.txt. This file needs to be modified in order to include our additional three packages. You should replace its contents with a file containing the following:

# Muons
atlasoff/PhysicsAnalysis/TopPhys/TopPhysUtils/TopMuonSFUtils/tags/TopMuonSFUtils-00-00-15
atlasoff/PhysicsAnalysis/MuonID/MuonIDAnalysis/MuonEfficiencyCorrections/tags/MuonEfficiencyCorrections-01-01-00
atlasoff/PhysicsAnalysis/MuonID/MuonIDAnalysis/MuonMomentumCorrections/tags/MuonMomentumCorrections-00-05-03
# Electrons
atlasoff/PhysicsAnalysis/TopPhys/TopPhysUtils/TopElectronSFUtils/tags/TopElectronSFUtils-00-00-18
atlasoff/Reconstruction/egamma/egammaAnalysis/egammaAnalysisUtils/tags/egammaAnalysisUtils-00-02-81
atlasoff/Reconstruction/egamma/egammaEvent/tags/egammaEvent-03-06-19
# Jets
atlasperf/CombPerf/FlavorTag/JetTagAlgorithms/MV1Tagger/tags/MV1Tagger-00-00-01
atlasperf/CombPerf/JetETMiss/JetCalibrationTools/ApplyJetCalibration/tags/ApplyJetCalibration-00-01-03
atlasperf/CombPerf/JetETMiss/JetCalibrationTools/ApplyJetResolutionSmearing/tags/ApplyJetResolutionSmearing-00-00-03
atlasoff/PhysicsAnalysis/TopPhys/TopPhysUtils/TopJetUtils/tags/TopJetUtils-00-00-06
atlasoff/Reconstruction/Jet/JetUncertainties/tags/JetUncertainties-00-05-07
atlasoff/Reconstruction/Jet/JetResolution/tags/JetResolution-01-00-00
atlasoff/PhysicsAnalysis/JetTagging/JetTagPerformanceCalibration/CalibrationDataInterface/tags/CalibrationDataInterface-00-01-02
atlasoff/PhysicsAnalysis/TopPhys/TopPhysUtils/JetEffiProvider/tags/JetEffiProvider-00-00-04
atlasoff/PhysicsAnalysis/TopPhys/MultiJesInputFiles/tags/MultiJesInputFiles-00-00-00
# MET
atlasoff/Reconstruction/MissingETUtility/tags/MissingETUtility-00-02-18
atlasoff/PhysicsAnalysis/TopPhys/TopPhysUtils/TopMetTool/tags/TopMetTool-00-00-22
# Photons
atlasperf/CombPerf/EGamma/PhotonID/FudgeMCTool/tags/FudgeMCTool-00-00-12
atlasperf/CombPerf/EGamma/PhotonID/PhotonIDTool/tags/PhotonIDTool-00-01-01
# Triggers
atlasoff/Trigger/TrigAnalysis/TrigAnalysisInterfaces/tags/TrigAnalysisInterfaces-00-01-00
atlasoff/Trigger/TrigAnalysis/TrigBunchCrossingTool/tags/TrigBunchCrossingTool-00-02-00
# NOT PART OF STANDARD TOPROOTCORERELEASE
atlasoff/Trigger/TrigAnalysis/TrigRootAnalysis/tags/TrigRootAnalysis-00-01-02
##
atlasoff/PhysicsAnalysis/TopPhys/TopPhysUtils/FakesTriggerUtils/tags/FakesTriggerUtils-00-00-01
# Event Weighting
atlasoff/PhysicsAnalysis/TopPhys/FakesMacros/tags/FakesMacros-00-00-29
atlasoff/PhysicsAnalysis/AnalysisCommon/ReweightUtils/tags/ReweightUtils-00-02-02
atlasoff/PhysicsAnalysis/AnalysisCommon/PileupReweighting/tags/PileupReweighting-00-00-17
atlasoff/PhysicsAnalysis/TopPhys/TopPhysUtils/WjetsCorrections/tags/WjetsCorrections-00-00-06
atlasoff/PhysicsAnalysis/TopPhys/TopPhysUtils/TopDileptonSFUtils/tags/TopDileptonSFUtils-00-00-11
# Misc
atlasoff/PhysicsAnalysis/TopPhys/TopPhysUtils/TopDataPreparation/tags/TopDataPreparation-00-00-04
atlasoff/PhysicsAnalysis/D3PDTools/RootCore/tags/RootCore-00-01-11
atlasoff/DataQuality/GoodRunsLists/tags/GoodRunsLists-00-00-98
atlasoff/PhysicsAnalysis/TopPhys/TopPhysUtils/TopGoodRunsList/tags/TopGoodRunsList-00-00-04
# TopD3PD* Packages
atlasoff/PhysicsAnalysis/TopPhys/TopPhysUtils/TopAnalysisBase/tags/TopAnalysisBase-11-00-00-01

#atlasoff/PhysicsAnalysis/TopPhys/TopD3PDAnalysis/tags/TopD3PDAnalysis-11-00-00-00
atlasusr/tmccarth/Research/TopPhysics/TTbarAnalysis/TTBarFullyHadronic/tags/TTBarFullyHadronic-11-00-00

atlasoff/PhysicsAnalysis/TopPhys/TopD3PDCorrections/tags/TopD3PDCorrections-11-00-00-00

atlasoff/PhysicsAnalysis/TopPhys/TopD3PDSelection/tags/TopD3PDSelection-11-00-00-00
atlasusr/tmccarth/Research/TopPhysics/TTbarAnalysis/TTBarSelection/tags/TTBarSelection-11-00-00

#atlasoff/PhysicsAnalysis/TopPhys/TopPhysUtils/TopMiniNtuple/tags/TopMiniNtuple-11-00-00-00
atlasusr/tmccarth/Research/TopPhysics/TTbarAnalysis/TTBarMiniNtuple/tags/TTBarMiniNtuple-11-00-00

iv. Once this has been done, source the build-all.sh script, which essentially looks at the contents of this packages.txt file, checks out the appropriate tagged versions of each packages, and then compiles the packages in turn. NB: This will take quite a while to compile....

./build-all.sh

v. Assuming things compiled successfully, now source the setup script which effectively establishes the structure of the folder directories:

> cd ../../RootCore
> source scripts/setup.sh

  • That's it - you are now ready to run either locally or on the grid!

vi. The next time you log in, you have only to do the following (root setup + source RootCore setup script):

> source /afs/cern.ch/sw/lcg/external/gcc/4.3.2/x86_64-slc5/setup.sh
> cd /afs/cern.ch/sw/lcg/app/releases/ROOT/5.28.00g/x86_64-slc5-gcc43-opt/root/
> source bin/thisroot.sh
> cd -
> cd ../RootCore
> source scripts/setup.sh

2) Running All-Hadronic Analysis Code Locally

  • Make sure you have first done step 1) (vi) above
  • At this point, you should have the variable $ROOTCOREDIR set. Go to this directory (it is the directory from which you will run the program)

> cd $ROOTCOREDIR

  • The name of the main program to be run can be found in $ROOTCOREDIR/../TTBarMiniNtuple/util/D3PD2MiniTruthNtuple.cxx
  • To run the program, at least two things must be specified: the location of a text file containing the path to the files over which you are running, and the location of a settings.txt file which at least initially does not need to be alterered.
  • A sample command to run the program is the following:

> D3PD2MiniTruthNtuple -f ../TTBarFullyHadronic/control/file_list_mc11c.txt -p ../TTBarFullyHadronic/control/settings.txt

  • So you will need to change the contents of the file file_list_mc11c.txt above so that it reflects the appropriate path to the root files over which you are running.
  • The main output is an output ntuple file, ttbarfh.root, containing all of the branches necessary to make your plots. These variables are written out in a file called MiniFH.cxx which can be found in the directory $ROOTCOREDIR/TTBarMiniNtuple/Root/, and this file contains a short description of many of the variables. You can also see a description of several of the output variables at the bottom of the page - click here .

3) Running All-Hadronic Analysis Code On the Grid (Using prun)

In order to run the analysis code on the grid, one must ensure the submit script is sourced from within the appropriate directory, otherwise the jobs will fail. Using the same $ROOTCOREDIR environment variable as in the previous section, and having done step (vi) from the initial setup (root and RootCore setup scripts), now follow the steps below.

  1. Create a directory called prunsubmit in the directory containing all of the other packages - both those common to all TopRootCore analyses as well as those three specific to the ttbar all-hadronic analysis.

> cd $ROOTCOREDIR/../
> mkdir prunsubmit
> cd prunsubmit

ii. Within this directory, create a file exeForPrun.sh containing the lines below. In terms of the sed line, this is done to ensure that the comma-separated list of input files (which one retrieves running over datasets on the grid) is changed to a file where each of the .root files are written line-by-line (without commas) - this is the format required to run the program. This exeForPrun.sh script will be uploaded together with all of the source code to be compiled during the build job, and it is this script which will be sourced in order to run the actual program from specific sites.

echo exeForPrun start
echo $1 | sed s/,/\\n/g > myfilelist.txt
ln -s $ROOTCOREDIR/data .
ln -s $ROOTCOREDIR/bin .
ln -s $ROOTCOREDIR/../TTBarFullyHadronic/control .
./bin/D3PD2MiniTruthNtuple -f myfilelist.txt -p control/settings.txt
echo exeForPrun end

iii. One must now also create a script which will submit the actual job(s) to the grid. Alternatively of course, one can simply submit the job directly without use of a script, but this seems the easier way to do things in light of all of the command line arguments. Create a directory submitscripts outside of the directory containing all of your packages:

> cd $ROOTCOREDIR/../..
> mkdir submitscripts
> cd submitscripts

iv. Within this directory, create a script called, for example, submitprun_mc11signal.sh, containing the following contents:

#!/bin/bash

output_name="ttbarfh.root"
athenaTag_name=17.2.3.7

#--- Specify Input and Output dataset names for MC signal samples
inDS_name="mc11_7TeV.105204.TTbar_FullHad_McAtNlo_Jimmy.merge.NTUP_TOP.e825_s1310_s1300_r3043_r2993_p937/"
outDS_name="user.tmccarth.mc11_7TeV.105204.TTbar_FullHad_newRecoAlgos.v6"

echo ""
echo "--- Inputs: $inDS_name"
echo "--- Outputs: $outDS_name"

prun --exec "./exeForPrun.sh %IN" --useRootCore --inDS $inDS_name --outDS $outDS_name --athenaTag $athenaTag_name --nFilesPerJob 15 --outputs $output_name

v. You are now ready to submit the jobs. At this point you must do a few standard steps in order to be able to run on the grid. In your .bashrc file (assuming you are running on lxplus), you should have the following aliases set:

# grid, dq2 and panda setup scripts
alias GRID='source /afs/cern.ch/project/gd/LCG-share/current_3.2/etc/profile.d/grid_env.sh'
alias DQ2='source /afs/cern.ch/atlas/offline/external/GRID/ddm/DQ2Clients/setup.sh'
alias PANDA='source /afs/cern.ch/atlas/offline/external/GRID/DA/panda-client/latest/etc/panda/panda_setup.sh'
alias VOMS='voms-proxy-init -voms atlas'

vi. Move to the prunsubmit directory you created earlier (this is the directory from which you will source your submit script), do the grid, panda, etc. setup (though these could likely be done from anywhere...), and submit your job. It's likely a good idea to first make sure things work when running locally, and then submit a job to run only on a single file (or two files) just in case things don't work correctly. In the submitprun_mc11signal.sh script above, you can add -nFiles 1 in the command line arguments to do this.

> cd $ROOTCOREDIR/../prunsubmit
> GRID
> PANDA
> VOMS
> source ../../submitscripts/submitprun_mc11signal.sh

vii. You're done! Once your jobs have finished (assuming they ran successfully), you can retrieve them using dq2.

Definitions of Reconstructed vs Truth-Level Top Quarks

In this ttbar analysis, distributions are often shown about the various properties of top quarks, but these are often constructed differently. The image below indicates the difference between the three definitions of top quarks that are commonly used in this analysis: parton-level, truth-level, and reco-level top quarks.

TopQuarkDefs.png

Top Reconstruction Algorithms

In terms of the reco-level top quarks, currently six main top reconstruction algorithms are investigated, and these can be compared in terms of their overall purity and efficiency, both of which are evaluated based on signal samples. Below is a brief description of the six top reconstruction algorithms used. Note that for all algorithms, a top candidate is always constructed from one b-tagged jet, and two non b-tagged jets or light jets. Reconstruction algorithms can be divided into two groups: those for which a single top candidate is selected per event, and those for which a pair of top candidates are chosen.

Note that the ∆R(t,t) method, which previously chose as the two top candidates for each event those for which the ∆R separation between the reconstructed top and anti-top 4-vectors was closest to 3.3 (motivated by truth distributions between such quantities), was replaced by the new method 5 below, as it was felt to be similarly designed (in the sense that it attempts to capitalize from truth information from various ∆R separation plots, not just t/tbar) and seems to perform better.

Top Reconstruction Algorithm Definitions

  1. Max Pt Method:
    • Loops through all possible 1-b and 2-light jet combinations to reconstruct a single top candidate
    • For each possible combination, a 4-vector is constructed from the three-jet combination
    • The method selects as the top candidate the combination with the largest transverse momentum for the corresponding 4-vector
  2. Max Pair Pt Method:
    • Loops through all possible 1-b and 2-light jet combinations to reconstruct a pair of top candidates
    • For each possible combination, a 4-vector is constructed from the three-jet combinations corresponding to each top candidate
    • The scalar sum of the transverse momentum of these two 4-vectors is then evaluated for each combination, and the combination for which this scalar sum is the largest is the one which is kept for this method
  3. Random Method:
    • A random number (TRandom3) is chosen from a flat probability distribution in order to select a single b-tagged jet
    • In the same way, two different light jets are then selected from the non b-tagged jets
    • A 4-vector is constructed from this three-jet combination, and this is the combination chosen by the random method to select the single top quark candidate
  4. Random Pair Method:
    • A random number (TRandom3) is chosen from a flat probability distribution in order to select a single b-tagged jet
    • In the same way, two different light jets are then selected from the non b-tagged jets
    • A 4-vector is constructed from this three-jet combination, and this is chosen to be the 1st top quark candidate
    • From the remaining jets and in an analogous way to the way the 4-vector was constructed for the 1st top candidate, one selects a second top quark candidate
  5. DeltaMTopPlus Pair Method:
    • Loops through all possible 1-b and 2-light jet combinations to reconstruct a pair of top candidates
    • For each possible combination, a 4-vector is constructed from the three-jet combinations corresponding to each top candidate
    • The difference between the invariant mass (∆m=|mtop1-mtop2|) of the two 4-vectors is then evaluated for each combination, and the combination for which this Δm value is a minimum, is the one which is kept for this method
    • In addition, several cuts are imposed to reduce the combinatorial background, motivated by truth ∆R separations (all quantities relate to reco jets associated with a given parton, or the relevant 4-vector constructed from such reco jets):
      • ∆R(t,anti-t) must be in the range [2.6,3.6]
      • ∆R(b,anti-b) must be in the range [2.0,3.2]
      • ∆R(W+,W-) must be in the range [2.0,4.0]
      • ∆R(t,W) must be < 1.0 for each of the two top candidates and their associated W candidate
      • ∆R(q,anti-q) must be in the range [0.4,2.0] for each of the pairs of light quark jets associated with the top candidates
      • ∆Eta(q,anti-q) must be <1.5 for each of the pairs of light quark jets associated with the top candidates
    • If and only if all the above cuts are passed for a given event, and for each top candidate the ratio of the reconstructed W to top mass is in the window [0.37,0.57], then both top candidates are kept for this event; otherwise it is rejected.
  6. Jet DeltaR Pair Method:
    • Loops through all possible combinations to form a pair of top candidates from b- and light-jets (as above)
    • Additional cut on b-jets requires that ΔR(b-jet,bbar-jet) > 2.0
    • Provided the two b-jets are sufficiently separated in ΔR, minimize (in parallel) the following:
      • ΔR(b1,j1) + ΔR(b1,j2) + ΔR(b2,j3) + ΔR(b2,j4)
      • ΔR(j1,j2) + ΔR(j3,j4)
    • Two minimizations are requiring b-jets to be close to their corresponding light jets (1st minimization) and that the light jets themselves be close in ΔR to each other (2nd minimization)
    • Event is kept only if two chosen combinations from minimizations are identical (for all 6 jets involved)
    • Alternatively, if only one of the two top quark candidates has the same combination for both minimizations, it is kept; in this sense, this method is only sometimes a 'Pair' method
    • An additional cut was added in order to eliminate cases when a W candidate was formed out of a gluon and a light jet (as opposed to two light jets) by placing a cut on the reconstructed W mass, requiring that it be > 50 GeV.

    • Note: The top reconstruction algorithms are defined in the source code in the following location: TTBarMiniNtuple/TopReco.cxx

Efficiency and Purity of Top Reconstruction Algorithms

Two benchmarks for comparison between the various top reconstruction algorithms are the top reconstruction efficiency and the purity, which are defined in the following way:

  • Efficiency: Percent of the total number of (anti-)top quarks in signal sample for which the corresponding event passes all event selection cuts and the particular (anti-)top candidate passes any additional cuts imposed by the top reconstruction algorithm in question.
  • Purity: Percent of top candidates only out of those events considered for a given top reconstruction algorithm which are matched in ∆R within 0.2 to either parton-level top or anti-top quark.

The efficiency and purity of each of the above algorithms are summarized in the table below, and numbers are calculated based on the full ttbar all-hadronic signal sample dataset mentioned in the (table of MC datasets above).

Top Reconstruction Algorithm Efficiency Purity Approx. # of Expected Signal Tops (Full 2011 Dataset)
Pt Max Method 1.65542% 42.9057% 6254
Pt Pair Max Method 1.65542% 38.6963% 12508
Random Method 1.65542% 11.9544% 6254
Random Pair Method 1.65542% 5.40136% 12508
∆mTopPlus Method 0.0234501% 89.0244% 177
Jet∆R Pair Method 0.104906% 77.0362% 793

  • NB: the final column makes use of the equation below, where the total cross section is assumed to be 177 pb, the all-hadronic branching fraction 0.46, and the total 2011 integrated luminosity (taking into account the trigger prescales) of 4.64014/fb.

exp_signal_evts.png

Descriptions of Variables Found in Output Ntuple ttbarfh.root

Below you can find a brief description of all of the output variables in the output ntuple generated by running the analysis code, or at least those specific to this analysis.

    • Note: The output variables are written to ttbarfh.root in the source code in the following location: TTBarMiniNtuple/MiniFH.cxx

Variable Name Brief Description
Variables Concerning Initial Hard-Scattering Process in Proton-Proton Collision
mcevt_pdf1 parton distribution function value for 1st parton involved in hard-scattering process
mcevt_pdf2 parton distribution function value for 1st parton involved in hard-scattering process
mcevt_pdf_x1 longitudinal momentum fraction of 1st parton
mcevt_pdf_x2 longitudinal momentum fraction of 2nd parton
mcevt_pdf_id1 PDG id of 1st parton
mcevt_pdf_id2 PDG id of 2nd parton
mcevt_pdf_scale momentum transfer for hard-scattering process (I think...) (in GeV)?
Reconstructed Jet Variables (antiKt4 EM+JES jets)
General Reco Jet Variables
jet_n Number of reco jets in the event
jet_E Energy of reconstructed jet(s) (in MeV)
jet_pt Transverse momentum of reconstructed jet(s) (in MeV)
jet_eta Pseudorapidity of reconstructed jet(s)
jet_phi Azimuthal angle of reconstructed jet(s)
jet_COMBNN COMBNN value associated with reconstructed jet(s) - used as an input for MV1 below
jet_SV0 SV0 value associated with reconstructed jet(s) - used for secondary vertex tag as an input for MV1 below
jet_MV1 MV1 value associated with reconstructed jet(s) - used for b-tagging
jet_isTagged Boolean value indicating whether reco jet is tagged (if MV1>0.601713)
jet_ntags Number of b-tagged reco jets (as above) in the event
jet_jvf Jet vertex fraction for reconstructed jet(s)
jet_flavor_truth_label Truth flavour of reconstructed jet(s) - only identifies b-type (5), c-type (4) , or tau-type jets (15)
Additional Reco Jet Event Selection Variables Constructed for Particularly for All-Hadronic Analysis
jet_Ht Scalar pT sum of all good reco jets (in MeV)
jet_METsig Missing Et significance, defined as the magnitude of missing Et (vector, in GeV) divided by sqrt of Ht above (in GeV)
jet_SumEt Scalar Et sum of all good reco jets (in MeV)
jet_SumEt3 Scalar Et sum of all good reco jets with the exception of leading two (in MeV)
jet_aplanar Jet aplanarity which is defined as 1.5 x the lowest eigenvalue of the 3x3 momentum tensor formed from summing over all good jets
jet_central Jet centrality which is defined as the scalar sum of the pt of all good jets, divided by the invariant mass of the 4-vector formed with all good jets
jet_dRbb ΔR separation between the leading two b-tagged reco jets
jet_mindR6j Minimum ΔR separation between any of (up to) 6 leading good reco jets (in pT)
jet_maxdR6j Maximum ΔR separation between any of (up to) 6 leading good reco jets (in pT)
jet_truthMatched Boolean value indicating whether or not reco jet is matched to a truth jet in ΔR (within 0.4)
jet_from_top Boolean value indicating whether particular reco jet is matched to a truth jet which itself is matched to a parton-level top quark (matching in ΔR)
jet_from_tbar Boolean value indicating whether particular reco jet is matched to a truth jet which itself is matched to a parton-level tbar quark (matching in ΔR)
Truth Jet Variables (antiKt4 EM+JES jets)
General Truth Jet Variables
part_jet_n Number of truth jets in the event
part_jet_E Energy of truth jet(s) (in MeV)
part_jet_pt Transverse momentum of truth jet(s) (in MeV)
part_jet_eta Pseudorapidity of truth jet(s)
part_jet_phi Azimuthal angle of truth jet(s)
part_jet_isTagged Boolean value indicating whether truth jet is matched to any truth MC particle identified to be a b-hadron (matching done in ΔR)
part_jet_ntags Number of truth jets which are tagged (as above) in the event
Particle/Parton-Level Truth Jet Variables
part_jet_index Integer value corresponding to the index of the reco jet which has been matched in ΔR to this truth jet (-1 if no match)
part_jet_bjetindex Integer value corresponding to the pT ordering of particular truth jet if it is identified as a b-quark jet (see truth flavour below). 1st truth b-jet has index 1, 2nd truth b-jet has 2, etc. All non b-jets are assigned a value 0. Used for b-jet linearity.
part_jet_ljetindex Integer value corresponding to the pT ordering of particular truth jet if it is identified as a light-quark jet (see truth flavour below). 1st truth light-jet has index 1, 2nd truth light-jet has 2, etc. All non b-jets are assigned a value 0. Used for light jet linearity.
part_jet_from_top Boolean value indicating whether particular truth jet is matched to a parton-level top quark (matching in ΔR)
part_jet_from_top_n Integer value indicating the number of truth jets matched to parton-level top quark (as defined above) in the event
part_jet_from_tbar Boolean value indicating whether particular truth jet is matched to a parton-level anti-top quark (matching in ΔR)
part_jet_from_tbar_n Integer value indicating the number of truth jets matched to parton-level anti-top quark (as defined above) in the event
part_jet_flavour_pdgId Integer value indicating PDG id of the particular truth jet. Done by selecting all stable MC particles and partons for a given event matched in ΔR to the truth jet, and selecting that with the highest energy amongst those particles.
Parton-Level Truth Information
(Anti-)Top Quarks
part_topQuark_n Number of top quarks (strictly - not anti-top quarks) in the event
part_topQuark_pt Transverse momentum of top quark(s) (in MeV)
part_topQuark_eta Pseudorapidity of top quark(s)
part_topQuark_phi Azimuthal angle of top quark(s)
part_topQuark_E Energy of top quark(s) (in MeV)
part_tbarQuark_n Number of anti-top quarks (strictly - not top quarks) in the event
part_tbarQuark_pt Transverse momentum of anti-top quark(s) (in MeV)
part_tbarQuark_eta Pseudorapidity of anti-top quark(s)
part_tbarQuark_phi Azimuthal angle of anti-top quark(s)
part_tbarQuark_E Energy of anti-top quark(s) (in MeV)
(Anti-)Bottom Quarks from ttbar Decays
part_bottomQuark_n Number of bottom or anti-bottom quarks in the event (having come directly from a top or anti-top quark)
part_bottomQuark_pt Transverse momentum of (anti-)b quark(s) from ttbar decay (in MeV)
part_bottomQuark_eta Pseudorapidity of (anti-)b quark(s) from ttbar decay
part_bottomQuark_phi Azimuthal angle of (anti-)b quark(s) from ttbar decay
part_bottomQuark_E Energy of (anti-)b quark(s) from ttbar decay (in MeV)
part_bottomQuark_pdgId PDG id of (anti-)b quark(s) from ttbar decay (should be 5 for b-quark and -5 for anti-b-quark)
W Bosons From ttbar Decays
part_hadronicW_n Number of hadronically decaying W+/W- bosons in the event (having come directly from a top or anti-top quark)
part_wBosonsFromTop_pt Transverse momentum of W boson(s) (in MeV)
part_wBosonsFromTop_eta Pseudorapidity of W boson(s)
part_wBosonsFromTop_phi Azimuthal angle of W boson(s)
part_wBosonsFromTop_E Energy of W boson(s) (in MeV)
Light (Anti-)Quarks From Hadronic W Decays (W from Top/Anti-Top)
part_hadronicW_q1_pt Transverse momentum of 1st quark from hadronic W decay (in MeV)
part_hadronicW_q1_eta Pseudorapidity of 1st light (anti-)quark
part_hadronicW_q1_phi Azimuthal angle of 1st light (anti-)quark
part_hadronicW_q1_E Energy of 1st light (anti-)quark (in MeV)
part_hadronicW_q1_pdgId PDG id of 1st light (anti-)quark from hadronic W decay (d=1,u=2,s=3,c=4, and negative values for anti-quark)
part_hadronicW_q2_pt Transverse momentum of 2nd quark from hadronic W decay (in MeV)
part_hadronicW_q2_eta Pseudorapidity of 2nd light (anti-)quark
part_hadronicW_q2_phi Azimuthal angle of 2nd light (anti-)quark
part_hadronicW_q2_E Energy of 2nd light (anti-)quark (in MeV)
part_hadronicW_q2_pdgId PDG id of 2nd light (anti-)quark from hadronic W decay (d=1,u=2,s=3,c=4, and negative values for anti-quark)
_ Leptons From Leptonic W Decays (W from Top/Anti-Top)_
part_leptonicW_lep1_pt Transverse momentum of 1st lepton from leptonic W decay (in MeV)
part_leptonicW_lep1_eta Pseudorapidity of 1st lepton
part_leptonicW_lep1_phi Azimuthal angle of 1st lepton
part_leptonicW_lep1_E Energy of 1st lepton (in MeV)
part_leptonicW_lep1_pdgId PDG id of 1st lepton from hadronic W decay (e(nu)=11(12), mu(nu)=13(14), tau(nu)=15(16) negative values for anti-particles)
part_leptonicW_lep2_pt Transverse momentum of 2nd lepton from leptonic W decay (in MeV)
part_leptonicW_lep2_eta Pseudorapidity of 2nd lepton
part_leptonicW_lep2_phi Azimuthal angle of 2nd lepton
part_leptonicW_lep2_E Energy of 2nd lepton (in MeV)
part_leptonicW_lep2_pdgId PDG id of 2nd lepton from lepton W decay (e(nu)=11(12), mu(nu)=13(14), tau(nu)=15(16) negative values for anti-particles)
Truth-Level Top Quark Information - Top Quarks (4-Vectors) Built from Truth Jets
Truth-Level Top Quarks (w/o Contribution from Gluon Jets)
recoTop_from_top_m Invariant mass of 4-vector built from all truth jets linked to parton-level top quark (in MeV)
recoTop_from_top_pt Transverse momentum of 4-vector built from all truth jets linked to parton-level top quark (in MeV)
recoTop_from_top_eta Pseudorapidity of 4-vector built from all truth jets linked to parton-level top quark
recoTop_from_top_phi Azimuthal angle of 4-vector built from all truth jets linked to parton-level top quark
recoTop_from_tbar_m Invariant mass of 4-vector built from all truth jets linked to parton-level anti-top quark (in MeV)
recoTop_from_tbar_pt Transverse momentum of 4-vector built from all truth jets linked to parton-level anti-top quark (in MeV)
recoTop_from_tbar_eta Pseudorapidity of 4-vector built from all truth jets linked to parton-level anti-top quark
recoTop_from_tbar_phi Azimuthal angle of 4-vector built from all truth jets linked to parton-level anti-top quark
Truth-Level Top Quarks (with Contribution from Gluon Jets)
recoTopTotal_from_top_m Invariant mass of 4-vector built from all truth jets linked to parton-level top quark (in MeV)
recoTopTotal_from_top_pt Transverse momentum of 4-vector built from all truth jets linked to parton-level top quark (in MeV)
recoTopTotal_from_top_eta Pseudorapidity of 4-vector built from all truth jets linked to parton-level top quark
recoTopTotal_from_top_phi Azimuthal angle of 4-vector built from all truth jets linked to parton-level top quark
recoTopTotal_from_tbar_m Invariant mass of 4-vector built from all truth jets linked to parton-level anti-top quark (in MeV)
recoTopTotal_from_tbar_pt Transverse momentum of 4-vector built from all truth jets linked to parton-level anti-top quark (in MeV)
recoTopTotal_from_tbar_eta Pseudorapidity of 4-vector built from all truth jets linked to parton-level anti-top quark
recoTopTotal_from_tbar_phi Azimuthal angle of 4-vector built from all truth jets linked to parton-level anti-top quark
Truth-Level Gluons (4-Vector Constructed from All Gluon Jets Linked to (Anti-)Top Quarks)
recoGluon_from_top_m Invariant mass of 4-vector built from all gluon-flavoured truth jets with linked to parton-level top quark (in MeV)
recoGluon_from_top_pt Transverse momentum of 4-vector built from all gluon-flavoured truth jets linked to parton-level top quark (in MeV)
recoGluon_from_top_eta Pseudorapidity of 4-vector built from all gluon-flavoured truth jets linked to parton-level top quark
recoGluon_from_top_phi Azimuthal angle of 4-vector built from all gluon-flavoured truth jets linked to parton-level top quark
recoGluon_from_tbar_m Invariant mass of 4-vector built from all gluon-flavoured truth jets linked to parton-level anti-top quark (in MeV)
recoGluon_from_tbar_pt Transverse momentum of 4-vector built from all gluon-flavoured truth jets linked to parton-level anti-top quark (in MeV)
recoGluon_from_tbar_eta Pseudorapidity of 4-vector built from all gluon-flavoured truth jets linked to parton-level anti-top quark
recoGluon_from_tbar_phi Azimuthal angle of 4-vector built from all gluon-flavoured truth jets linked to parton-level anti-top quark
Truth-Level W Bosons (Same as Truth-Level Top Quarks Above with Contribution from Gluon Jets, But NO b-jets)
recoW_from_top_m Invariant mass of 4-vector built from all truth jets linked to parton-level top quark, except b- and gluon jets (in MeV)
recoW_from_top_pt Transverse momentum of 4-vector built from all truth jets linked to parton-level top quark, except b- and gluon jets (in MeV)
recoW_from_top_eta Pseudorapidity of 4-vector built from all truth jets linked to parton-level top quark, except b- and gluon jets
recoW_from_top_phi Azimuthal angle of 4-vector built from all truth jets linked to parton-level top quark, except b- and gluon jets
recoW_from_tbar_m Invariant mass of 4-vector built from all truth jets linked to parton-level anti-top quark, except b- and gluon jets (in MeV)
recoW_from_tbar_pt Transverse momentum of 4-vector built from all truth jets linked to parton-level anti-top quark, except b- and gluon jets (in MeV)
recoW_from_tbar_eta Pseudorapidity of 4-vector built from all truth jets linked to parton-level anti-top quark, except b- and gluon jets
recoW_from_tbar_phi Azimuthal angle of 4-vector built from all truth jets linked to parton-level anti-top quark, except b- and gluon jets
Reconstructed Top and W For Various Top Reco Algorithms
Note: for all variables below {*} = PtMax, Random, and {**} = PtPairMax, RandomPair, DeltaMTopPlus, JetDeltaRPair
recoTop_mTop_{*} Invariant mass of reconstructed top candidate 4-vector, constructed from 3 reco jets (1 b-jet and 2 light jets) (in MeV)
recoW_mW_{*} Invariant mass of reconstructed W associated with top candidate 4-vector (2 light jets only) (in MeV)
recoTop_isMatchedToTop_{*} Boolean value indicating whether or not top candidate 4-vector, constructed from 3 reco jets (1 b-jet and 2 light jets) is matched in ΔR (within 0.2) to parton-level top quark
recoTop_isMatchedToAntiTop_{*} Boolean value indicating whether or not top candidate 4-vector, constructed from 3 reco jets (1 b-jet and 2 light jets) is matched in ΔR (within 0.2) to parton-level anti-top quark
recoTop1_mTop_{**} Invariant mass of 1st reconstructed top candidate 4-vector, constructed from 3 reco jets (1 b-jet and 2 light jets) (in MeV)
recoW1_mW_{**} Invariant mass of reconstructed W associated with 1st top candidate 4-vector (2 light jets only) (in MeV)
recoTop1_isMatchedToTop_{**} Boolean value indicating whether or not 1st top candidate 4-vector, constructed from 3 reco jets (1 b-jet and 2 light jets) is matched in ΔR (within 0.2) to parton-level top quark
recoTop1_isMatchedToAntiTop_{**} Boolean value indicating whether or not 1st top candidate 4-vector, constructed from 3 reco jets (1 b-jet and 2 light jets) is matched in ΔR (within 0.2) to parton-level anti-top quark
recoTop2_mTop_{**} Invariant mass of 1st reconstructed top candidate 4-vector, constructed from 3 reco jets (1 b-jet and 2 light jets) (in MeV)
recoW2_mW_{**} Invariant mass of reconstructed W associated with 1st top candidate 4-vector (2 light jets only) (in MeV)
recoTop2_isMatchedToTop_{**} Boolean value indicating whether or not 1st top candidate 4-vector, constructed from 3 reco jets (1 b-jet and 2 light jets) is matched in ΔR (within 0.2) to parton-level top quark
recoTop2_isMatchedToAntiTop_{**} Boolean value indicating whether or not 1st top candidate 4-vector, constructed from 3 reco jets (1 b-jet and 2 light jets) is matched in ΔR (within 0.2) to parton-level anti-top quark
jet_recoIndices_{**/*} Integer value indicating if particular jet has been selected, using the top reco algorithm in question, to be associated with the 1st top candidate (1), 2nd top candidate (2), or if the jet has not been selected for this algorithm (0). Note that for non-pair algorithms with only one candidate per event, the jet can only be assigned a value of 1 or 0. This variable was added later on in an effort to allow 4-vectors for each top/W candidate to be constructed after the fact; in light of this, several other output variables become redundant but have been kept for the time being.

General Top Physics Links

Sample Analysis / Miscellaneous Links

  • Sample Analyses
    • University of Geneva TWiki - Sample ttbar + jets analysis TWiki from the University of Geneva group which looks at parton- and particle- level truth information in jets

Top Samples for 2011 Data Analyses

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Topic revision: r32 - 2016-11-18 - unknown
 
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