Overview of results on trigger efficiencies for ttbar CSA07 samples (Part of the work towards AN...

Overview of results on trigger efficiencies for ttbar CSA07 samples

(Part of the work towards AN note:

Trigger performance for top events: evaluation, validation and monitoring)

J.Cuevas, U.OviedoM.Felcini, UCDP.Lobelle, IFCA

Top quark meeting – 10/04/081

TRIGGER EFFICIENCIES INTRIGGER EFFICIENCIES IN 1_6_7 1_6_7

2

Semileptonic events

• 1 lepton from W pT

gen >10 GeV , ||<2.4

• At least 1 lepton pT>20 GeV ||<2.0 and 2 jets (ET

Corr>20,||<2.4)

Dileptonic events

• 2 leptons from W pT

gen>10 GeV, ||<2.4

• At least 2 leptons pT>20 GeV, pT>15 GeV ||<2.0, opposite charge 2 jets (ET

Corr>20,||<2.4)

Off-line selectionOff-line selection

GeneratorGenerator cuts andcuts andacceptanceacceptance

Trigger path name HLT HLT threshold threshold

(GeV)(GeV)

HLT1MuonNonIso 1616

HLT1MuonIso 1111

HLT1ElectronRelaxed 1717

HLT1Electron 1515

HLT2MuonNonIso 3,33,3

HLT2ElectronRelaxed 12,12

HLTXElectronMuonRelaxed 10,10

HLTXElectronMuon 8,7

HLT1jet 200

efficiencies reportedefficiencies reported

trigtrig based on MC information

trig/offtrig/off relative to the offline selection

Used sample:CSA07 Chowder All EventsCSA07 Chowder All EventsCMSSW 167CMSSW 167(1652813 TTBAR)(1652813 TTBAR)

EVENT SELECTIONEVENT SELECTION

3

Final state bjjbbjjb evbjjbevbjjb bbbb eebebebb eebbbb

Noff/acc171651171651 164626164626 1099710997 92579257 2021420214

off/accoff/acc79.9 79.9 ±0.3±0.3 76.6 76.6 ±0.2±0.2 68.468.4±0.8±0.8 58.6 58.6 ±0.8±0.8 64.2 64.2 ±0.6±0.6

trig/offtrig/off

HLT1MuonNonIso 89.7 89.7 ±0.3±0.3 3.39 3.39 ±0.05±0.05 99 99 ±1±1 3.4 3.4 ±0.2±0.2 89.1 89.1 ±0.9±0.9

HLT1MuonIso 73.3 73.3 ±0.3±0.3 0.11 0.11 ±0.01±0.01 95 95 ±1±1 0.08 0.08 ±0.03±0.03 74.6 74.6 ±0.8±0.8

HLT1ElectronRelaxed 0.48 0.48 ±0.02±0.02 70.4 70.4 ±0.3±0.3 0.57 0.57 ±0.07±0.07 91 91 ±1±1 71.2 71.2 ±0.8±0.8

HLT1Electron 0.48 0.48 ±0.02±0.02 67.0 67.0 ±0.3±0.3 0.55 0.55 ±0.07±0.07 90 90 ±1±1 69.6 69.6 ±0.8±0.8

HLT2MuonNonIso 13.2 13.2 ±0.1±0.1 0.83 0.83 ±0.02±0.02 89 89 ±1±1 0.53 0.53 ±0.08±0.08 11.3 11.3 ±0.2±0.2


HLTXElectronMuonRelaxed

0.97 0.97 ±0.02±0.02 4.48 4.48 ±0.05±0.05 1.0 1.0 ±0.1±0.1 5.6 5.6 ±0.2±0.2 69.2 69.2 ±0.8±0.8

HLTXElectronMuon 0.84 0.84 ±0.02±0.02 0.20 0.20 ±0.01±0.01 1.1 1.1 ±0.1±0.1 0.3 0.3 ±0.05±0.05 53.9 53.9 ±0.6±0.6

HLT1jet 12.1 12.1 ±0.1±0.1 14.4 14.4 ±0.1±0.1 9.7 9.7 ±0.3±0.3 15.5 15.5 ±0.4±0.4 12.1 12.1 ±0.3±0.3

EFFICIENCIES wrt OFFLINE SELECTIONEFFICIENCIES wrt OFFLINE SELECTION

4

tt->bjjb

HLT1MuonNonIso

tt->bb

HLT2MuonNonIso

tt->ebjjb

HLT1ElectronRelaxed

tt->ebeb

HLT2ElectronRelaxed

Off-line based trigger efficiencies vs Off-line based trigger efficiencies vs and pT and pTNormalized to 100pb-1

5

Semileptonic events


gen >10 GeV , ||<2.4

• At least 1 lepton pT>20 GeV ||<2.0, isolated2 jets (ET

Corr>20,||<2.4)

Dileptonic events

• 2 leptons from W pT>10 GeV ||<2.4

• At least 2 leptons pT>20 GeV, ||<2.0, opposite charge, isolated 2 jets (ET

Corr>20,||<2.4)


GeneratorGenerator cutscuts

• isolation cutsisolation cuts

MuonsMuons

Track isolation (POG) SumpT of tracks in dR=0.3 Calo Isolation (POG) Sum of energy deposits in HCal +ECal +HO in dR=0.3

ElectronsElectrons

Track isolation (TQAF) SumpT of tracks in dR=0.3 – pT of electron trackCalo isolation (TQAF) SumET of calotowers in dR=0.3 – electron. caloEnergy()

Quality cutsQuality cuts HOverE<0.05 , 0.8<EOverP<3

TrackIso<3 , CaloIso<5


Used sample:CSA07 Chowder All EventsCSA07 Chowder All EventsCMSSW 167CMSSW 167( 619306 TTBAR)( 619306 TTBAR)

6


Ngen92144 91801 7695 7653 15361

acceptancacceptance 87.787.7±0.4±0.4 87.8 87.8 ±0.4±0.4 78 78 ±1±1 78 78 ±1±1 77.0 77.0 ±0.9±0.9

off/acc69.069.0±0.4±0.4 53.5 53.5 ±0.3±0.3 48 48 ±1±1 31.1 31.1 ±0.8±0.8 38.7 38.7 ±0.7±0.7

trig/offtrig/off

HLT1MuonNonIso 91.6 91.6 ±0.6±0.6 3.37 3.37 ±0.09±0.09 100 100 ±3±3 3.3 3.3 ±0.4±0.4 91 91 ±2±2

HLT1MuonIso 82.0 82.0 ±0.5±0.5 0.11 0.11 ±0.02±0.02 98 98 ±3±3 0.11 0.11 ±0.08±0.08

83 83 ±2±2

HLT1ElectronRelaxed 0.45 0.45 ±0.03±0.03 80.2 80.2 ±0.6±0.6 0.5 0.5 ±0.1±0.1 97 97 ±3±3 81 81 ±2±2

HLT1Electron 0.47 0.47 ±0.03±0.03 76.6 76.6 ±0.6±0.6 0.6 0.6 ±0.1±0.1 96 96 ±3±3 77 77 ±2±2

HLT2MuonNonIso 12.9 12.9 ±0.2±0.2 0.81 0.81 ±0.04±0.04 92 92 ±2±2 0.4 0.4 ±0.1±0.1 11.5 11.5 ±0.5±0.5



0.97 0.97 ±0.04±0.04 5.0 5.0 ±0.1±0.1 0.9 0.9 ±0.2±0.2 5.9 5.9 ±0.6±0.6 77 77 ±2±2

HLTXElectronMuon 0.97 0.97 ±0.04±0.04 0.24 0.24 ±0.02±0.02 1.1 1.1 ±0.2±0.2 0.4 0.4 ±0.1±0.1 65 65 ±1±1

HLT1jet 10.6 10.6 ±0.1±0.1 11.9 11.9 ±0.2±0.2 7.9 7.9 ±0.5±0.5 12.6 12.6 ±0.9±0.9 9.8 9.8 ±0.5±0.5

EFFICIENCIES wrt OFFLINE SELECTION (Requiring EFFICIENCIES wrt OFFLINE SELECTION (Requiring isolated leptons)isolated leptons)

7

tt->ebjjb

HLT1ElectronRelaxed

New selection withNew selection withIsolation cutsIsolation cuts

Usual selection

Off-line based trigger efficienciesOff-line based trigger efficiencies Normalized to 100pb-1

8

HLT1MuonNonIsoHLT1MuonNonIso 16x 17x 18x

MinPt 16.0 16.0 16.0

Nsigma_Pt 2.2 2.2 2.2

MaxDr 0.02 0.02 2.0

HLT1ElectronRelaxedHLT1ElectronRelaxed 16x 17x 18x

MinEt 18.0 18.0 18.0

HCal Isol Barrel ||<1.5 Endcap ||>1.5

3.03.0

3.0 3.0

3.03.0

E/p barrel endcap

1.5 2.45

1/E-1/P<999.03 <999.03

1/E-1/P<999.03 <999.03

Track Isol pt 0.06 0.06 0.06

HLT2MuonNonIsoHLT2MuonNonIso 16x 17x 18x

MinPt 3.0 3.0 3.0

Nsigma_Pt 2.2 2.2 2.2

MaxDr 0.02 0.02 2.0

FILTERS APPLIED IN NON ISOLATED PATHSFILTERS APPLIED IN NON ISOLATED PATHS

9

HLT2ElectronRelaxedHLT2ElectronRelaxed 16x 17x 18x

MinEt 12.0 12.0 12.0


9.0 9.0

9.0 9.0

9.0 9.0

E/p barrel endcap

15000 24500

15000 24500

15000 24500

Track Isol pt 0.4 0.4 0.4

HLTXElectronMuonRelaxedHLTXElectronMuonRelaxed 16x 17x 18x

MinPt 10.0 10.0 10.0

Nsigma_Pt 2.2 2.2 2.2

MaxDr 0.02 0.02 2.0

MinEt 10.0 10.0 10.0


3.0 3.0

3.0 3.0

3.0 3.0

E/p barrel endcap

1.5 2.45

1.5 2.45

1.5 2.45

Track Isol pt 0.06 0.06 0.06

Muon

Electron

10

TRIGGER EFFICIENCIES INTRIGGER EFFICIENCIES IN 1_8_3 1_8_3

11

Semileptonic events


gen >10 GeV , ||<2.4

• At least 1 lepton pT>20 GeV ,||<2.0 2 jets (ET

Raw>13,||<2.4)

Dileptonic events

• 2 leptons from W pgen

T>10 GeV ||<2.4

•At least 2 leptons pT>20 GeV, pT>15 GeV ,||<2.0, opposite charge 2 jets (ET

Raw>13,||<2.4)



efficiencies reported

trigtrig based on MC information

trig/offtrig/off relative to the offline selection

Trigger path name HLT HLT threshold threshold

(GeV)(GeV)

HLT1MuonNonIso 1616

HLT1MuonIso 1111

HLT1ElectronRelaxed 1717

HLT1Electron 1515

HLT2MuonNonIso 3,33,3

HLT2ElectronRelaxed 12,12

HLTXElectronMuonRelaxed 10,10

HLTXElectronMuon 8,7

HLT1jet 200

Used sample:

RelValTTbarRelValTTbar CMSSW 183CMSSW 183( 25100 events )( 25100 events )

EVENT SELECTIONEVENT SELECTION

12


Noff/acc 2570 2527 145 147 307

off/accoff/acc 79±279±2 77±277±2 58±658±6 66±766±7 64±564±5

trig/offtrig/off

HLT1MuonNonIso 91±391±3 7.0±0.5±0.5 98±12±12 3±1±1 87±7±7

HLT1MuonIso 72±2±2 0.08±0.06±0.06 92±11±11 0 70±6±6

HLT1ElectronRelaxed 1.3±0.2±0.2 83±283±2 1±1±1 95±11±11 86±7±7

HLT1Electron 0.9±0.2±0.2 77.4±2±2 0.7±0.7±0.7 94±11±11 82±7±7

HLT2MuonNonIso 24±1±1 3.5±0.4±0.4 84±1084±10 1±1±1 22±3±3

HLT2ElectronRelaxed 0.4±0.1±0.1 6.0±0.5±0.5 0 82±1082±10 4±1±1


1.2±0.2±0.2 10.0±0.7±0.7 1±1±1 7±2±2 71±671±6

HLTXElectronMuon 1.0±0.2±0.2 0.4±0.1±0.1 1±1±1 0.7±0.7±0.7 53±553±5

HLT1jet 14.4±0.8±0.8 14.4±0.8±0.8 13±3±3 15±3±3 12±2±2

EFFICIENCIES wrt OFFLINE SELECTIONEFFICIENCIES wrt OFFLINE SELECTION

13

tt->bjjb

HLT1MuonNonIso

tt->ebjjb

HLT1ElectronRelaxed

Off-line basedOff-line based trigger efficienciestrigger efficiencies

14

Semileptonic events


gen >10 GeV , ||<2.4

• At least 1 lepton pT>20 GeV ,||<2.0, isolated 2 jets (ETRaw>13 GeV,||<2.4)

Dileptonic events

• 2 leptons from W pT>10 GeV ||<2.4

• At least 2 leptons pT>20 GeV,

pT>15 GeV, ||<2.0, opposite charge, isolated 2 jets (ETRaw>13 GeV ,||<2.4) Off-line selectionOff-line selection


MuonsMuons

Track isolation (POG) SumpT of tracks in dR=0.3 Calo Isolation (POG) Sum of energy deposits in HCal +ECal +HO in dR=0.3

ElectronsElectrons

Track isolation SumpT of tracks in dR=0.3 – pT of electron trackCalo isolation SumET of calotowers in dR=0.3 – electron. caloEnergy()

Quality cuts HOverE<0.05 , 0.8<EOverP<3



Used sample: RelValTTbarRelValTTbar CMSSW 183CMSSW 183( 25100 events )( 25100 events )

• isolation cutsisolation cuts

15


Ngen3673 3678 312 288 601

acceptancacceptance 8888±2±2 8989±2±2 80 80 ±7±7 78 78 ±7±7 80 80 ±5±5

off/accoff/acc6868±2±2 58 58 ±2±2 49 49 ±6±6 41 41 ±5±5 47 47 ±4±4

trig/offtrig/off

HLT1MuonNonIso 9191±3±3 6.7 ±0.6±0.6 98±13±13 3 ±2±2 85 ±8±8

HLT1MuonIso 81±3±3 0.05 ±0.05±0.05 94 ±12±12 - 77±8±8

HLT1ElectronRelaxed 1.3±0.2±0.2 93 93 ±3±3 0.8 ±0.8±0.8 100 ±15±15 90 ±9±9

HLT1Electron 0.9±0.2±0.2 88 ±3±3 - 100 ±15±15 90 ±9±9

HLT2MuonNonIso 22±1±1 3.6 ±0.4±0.4 83 83 ±11±11 2 ±2±2 25 ±4±4

HLT2ElectronRelaxed 0.4±0.1±0.1 5.1 ±0.5±0.5 - 92 92 ±14±14 4±1±1


1.2±0.2±0.2 11.3 ±0.8±0.8 0.8 ±0.8±0.8 10 ±3±3 76 76 ±8±8

HLTXElectronMuon 1.0±0.2±0.2 0.4 ±0.1±0.1 2±1±1 1 ±1±1 63 63 ±7±7

HLT1jet 12.9±0.8±0.8 12.2 ±0.8±0.8 12 ±3±3 9 ±3±3 10 ±2±2

EFFICIENCIES wrt OFFLINE SELECTION (Requiring EFFICIENCIES wrt OFFLINE SELECTION (Requiring isolated leptons)isolated leptons)

16

tt->bjjb

HLT1MuonNonIso

tt->ebjjb

HLT1ElectronRelaxed

Off-line basedOff-line based trigger efficienciestrigger efficiencies

17

1_6_71_6_7

97.6% of the offline selected electrons (after applying isolation97.6% of the offline selected electrons (after applying isolation and quality cuts) in eand quality cuts) in ebjjb events are matched to the bjjb events are matched to the generated from W (dR<0.2generated from W (dR<0.2))

1_8_31_8_3

99.6% of the offline selected electrons (after applying isolation99.6% of the offline selected electrons (after applying isolation and quality cuts) in eand quality cuts) in ebjjb events are matched to the bjjb events are matched to the generated from W (alpha<0.15generated from W (alpha<0.15))

<0.15 99.6%

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Noff/acc 2712 2639 129 165 323

off/acc 79±279±2 79±279±2 58±658±6 68±768±7 68±568±5

trig/offtrig/off

HLT1MuonNonIso 93 93 ±3±3 7.5 ±0.5±0.5 98 ±12 8 ±2±2 91±7

HLT1MuonIso 73 ±2±2 0.2 ±0.1±0.1 92 ±12 0 76 ±6

HLT1ElectronRelaxed 0.5 ±0.1±0.1 89 89 ±2±2 2 ±1 99 ±11±11 87 ±7

HLT1Electron 0.3 ±0.1±0.1 82 ±2±2 2 ±1 97 ±11±11 83 ±7

HLT2MuonNonIso 19.4 ±0.9±0.9 1.1 ±0.2±0.2 95 95 ±12 0.6 ±0.6±0.6 17 ±2

HLT2ElectronRelaxed 0.1 ±0.1±0.1 4.0 ±0.4±0.4 0 90 90 ±10±10 4 ±1


0.4 ±0.1±0.1 9.3 ±0.6±0.6 2±1 11 ±3±3 70 70 ±6

HLTXElectronMuon 0.5 ±0.1±0.1 0.2 ±0.1±0.1 2 ±1 0 53 53 ±5

HLT1jet 11.9 ±0.7±0.7 16.6 ±0.8±0.8 15 ±4 22 ±4±4 11 ±2

RelValTTbar FASTSIM 1_8_3

EFFICIENCIES wrt OFFLINE SELECTION EFFICIENCIES wrt OFFLINE SELECTION

19

FULLSIMFULLSIMFASTSIMFASTSIM

1_8_31_8_3tt->bjjbHLT1MuonNonIso

tt->ebjjbHLT1ElectronRelaxed

20

SUMMARYSUMMARY

21

• Trigger efficiencies for the most relevant pathsTrigger efficiencies for the most relevant paths in top quark physics have been estimated in in top quark physics have been estimated in CSA07 samples CSA07 samples

• The evolution of this estimations is studied for The evolution of this estimations is studied for different CMSSW Versions and RelVal Samplesdifferent CMSSW Versions and RelVal Samples and regularly reported to TSG.and regularly reported to TSG.

• Efficiencies for the Fastsim and Fullsim samplesEfficiencies for the Fastsim and Fullsim samples have been compared and found also in reasonablehave been compared and found also in reasonable agreement starting with 1_8_3 Samples.agreement starting with 1_8_3 Samples.

BACKUP SLIDESBACKUP SLIDES

22


Ngen245164 244834 20572 20299 40852

Nacc/gen214848 214975 16073 15792 31465

acceptancacceptance 87.687.6±0.3±0.3 87.887.8±0.3±0.3 78.1 78.1 ±0.8±0.8 77.8 77.8 ±0.8±0.8 77.077.0±0.6±0.6

trigtrig

HLT1MuonNonIso 79.579.5±0.3±0.3 3.31 ±0.04±0.04 97 ±1±1 3.2 ±0.1±0.1 79.6 ±0.7±0.7

HLT1MuonIso 67.7 ±0.2±0.2 0.11 ±0.01±0.01 93 ±1±1 0.06±0.02±0.02 69.2 ±0.6±0.6

HLT1ElectronRelaxed 0.47 ±0.01±0.01 59.6 59.6 ±0.2±0.2 0.55 ±0.06±0.06 84 ±1±1 60.2 ±0.6±0.6

HLT1Electron 0.47 ±0.01±0.01 58.4 ±0.2±0.2 0.53 ±0.06±0.06 83 ±1±1 59.1 ±0.6±0.6

HLT2MuonNonIso 12.2 ±0.1±0.1 0.80 ±0.02±0.02 85 85 ±1±1 0.52 ±0.06±0.06 10.8 ±0.2±0.2

HLT2ElectronRelaxed 0.37 ±0.01±0.01 4.85 ±0.05±0.05 0.24 ±0.04±0.04 68.0 68.0 ±0.8±0.8 3.7 ±0.1±0.1


0.89 ±0.02±0.02 3.97 ±0.04±0.04 0.94 ±0.08±0.08 5.0 ±0.2±0.2 57.1 57.1 ±0.5±0.5

HLTXElectronMuon 0.77 ±0.02±0.02 0.18 ±0.01±0.01 1.03 ±0.08±0.08 0.23 ±0.04±0.04 44.9 ±0.4±0.4

HLT1jet 11.4 ±0.1±0.1 13.6 ±0.1±0.1 8.8 ±0.2±0.2 14.9 ±0.3±0.3 11.5 ±0.2±0.2

EFFICIENCIES wrt EVENTS WITHIN ACCEPTANCEEFFICIENCIES wrt EVENTS WITHIN ACCEPTANCE1_6_71_6_7

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Ngen 3673 3678 312 288 601

Nacc/gen 3247 3275 249 224 479

acceptancacceptance 88±288±2 89±289±2 80±780±7 78±778±7 80±580±5

trigtrig

HLT1MuonNonIso 81±281±2 7.0±0.5±0.5 96±9±9 4±1±1 81±5±5

HLT1MuonIso 67±2±2 0.1±0.1±0.1 89±8±8 0 67±5±5

HLT1ElectronRelaxed 1.1±0.2±0.2 72±272±2 0.8±0.6±0.6 93±9±9 75±5±5

HLT1Electron 0.8±0.2±0.2 68±2±2 1.2±0.7±0.7 91±9±9 72±5±5

HLT2MuonNonIso 21.8±0.9±0.9 3.4±0.3±0.3 85±885±8 1.8±0.9±0.9 21±2±2

HLT2ElectronRelaxed 0.3±0.1±0.1 5.3±0.4±0.4 0.4±0.4±0.4 71±771±7 3.1±0.8±0.8

HLTXElectronMuonRelaxed 1.0±0.2±0.2 8.8±0.5±0.5 2.0±0.9±0.9 7±2±2 58±458±4

HLTXElectronMuon 0.9±0.2±0.2 0.3±0.1±0.1 2±1±1 0.4±0.4±0.4 44±4±4

HLT1jet 13.0±0.7±0.7 14.0±0.7±0.7 12±2±2 10±2±2 12±2±2

EFFICIENCIES wrt EVENTS WITHIN ACCEPTANCEEFFICIENCIES wrt EVENTS WITHIN ACCEPTANCE1_8_31_8_3

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Ngen 3934 3816 280 319 587

Nacc/gen 3440 3342 222 244 473

acceptancacceptance 87±287±2 88±288±2 79±779±7 76±676±6 81±581±5

trigtrig

HLT1MuonNonIso 8383±2±2 7.3 ±0.5±0.5 97±9 9 ±2±2 83 ±6±6

HLT1MuonIso 68 ±2±2 0.2 ±0.1±0.1 90 ±9 0 72 ±5±5

HLT1ElectronRelaxed 0.5 ±0.1±0.1 78 78 ±2±2 2±0.9 94 ±9±9 79 ±5±5

HLT1Electron 0.4 ±0.1±0.1 75 ±2±2 1.4 ±0.8 91 ±9±9 76 ±5±5

HLT2MuonNonIso 18.1 ±0.8±0.8 1.0 ±0.2±0.2 92 92 ±9 0.8 ±0.6±0.6 17 ±2±2

HLT2ElectronRelaxed 0.06 ±0.04±0.04 3.4 ±0.3±0.3 0 77 77 ±7±7 3.6 ±0.9±0.9


0.4 ±0.1±0.1 8.3 ±0.5±0.5 1.4 ±0.8 10 ±2±2 60 60 ±4±4

HLTXElectronMuon 0.5 ±0.1±0.1 0.1 ±0.1±0.1 2 ±1 0 46 ±4±4

HLT1jet 11.0 ±0.6±0.6 15.4 ±0.7±0.7 11 ±2 18 ±3±3 11 ±2±2

RelValTTbar FASTSIM 1_8_3 ( 26000 events)

EFFICIENCIES wrt EVENTS WITHIN ACCEPTANCEEFFICIENCIES wrt EVENTS WITHIN ACCEPTANCE

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Overview of results on trigger efficiencies for ttbar CSA07 samples (Part of the work towards AN...

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