Cutting Efficiency

Cutting Efficiency Table(w/ comparison from X-section group, using ttop25 sample, PYTHIA, Mtop=172.5 GeV2

Dir and Files
/cdf/s13/tangjian/Analysis/summer2010/METJets_templating/scripts/outfile/
ttop25_METJets_EvtSelection_CUTinfo_07062010_01/02/03.root
calcEff.C and draw.C
                            CLICK HERE to see the distribution of CUT variables.
My Selection Efficiency
cuts # of MC evts Rel. Eff.(%) Abs. Eff.(%)
Good Run 76802 100 100
|ZpriVert|<60cm 73411 95.6+/-0.4 95.6
Trigger 40595 55.3+/-0.3 52.9
|Zjet-ZpriVert| <5cm 40592 100+/-0.5 52.9
Num of tight leptons=0 37860 93.3+/-0.5 49.3
Num of tight jets ≥ 3 37846 100+/-0.5 49.3
MET significance ≥ 3 GeV1/2 7209 19+/-0.2 9.4
Num of tight jets = 3 166 2.3+/-0.2 0.2
Num of tight jets ≥ 4 7043 97.7+/-1.2 9.2
Efficiency results from X-section group
cuts # of MC evts Rel. Eff.(%) Abs. Eff.(%)
Good Run 4787475 100 100
|ZpriVert|<60cm 4580599 95.7 95.7
Trigger 2446149 53.4 51.1
|Zjet-ZpriVert|<5cm 2442174 99.8 51.0
Num of tight leptons=0 2199776 90.1 46.0
Num of tight jets ≥ 3 2199302 99.9 46.0
MET significance ≥ 3 GeV1/2 396924 18.0 8.3
Num of tight jets = 3 9087 2.3 0.2
Num of tight jets ≥ 4 387837 97.7 8.1

HOLA